Update prettier and eslint config

.eslintrc.js

@@ -1,6 +0,0 @@
-module.exports = {
-  root: true,
-  extends: '@react-native-community',
-  parser: '@typescript-eslint/parser',
-  plugins: ['@typescript-eslint'],
-};

.prettierrc.js

@@ -1,6 +0,0 @@
-module.exports = {
-  bracketSpacing: false,
-  jsxBracketSameLine: true,
-  singleQuote: true,
-  trailingComma: 'all',
-};

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+    "i18n-ally.localesPaths": "locales",
+    "i18n-ally.keystyle": "nested"
+}

App.tsx

@@ -17,7 +17,7 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import * as React from 'react';
+import React from 'react';
 import { LogBox, Platform, SafeAreaView, View } from 'react-native';
 import { NavigationContainer } from '@react-navigation/native';
 import { Provider as PaperProvider } from 'react-native-paper';
@@ -36,6 +36,7 @@ import URLHandler from './src/utils/URLHandler';
 import { setupStatusBar } from './src/utils/Utils';
 import initLocales from './src/utils/Locales';
 import { NavigationContainerRef } from '@react-navigation/core';
+import GENERAL_STYLES from './src/constants/Styles';
 
 // Native optimizations https://reactnavigation.org/docs/react-native-screens
 // Crashes app when navigating away from webview on android 9+
@@ -132,15 +133,15 @@ export default class App extends React.Component<{}, StateType> {
     });
     AsyncStorageManager.set(
       AsyncStorageManager.PREFERENCES.showIntro.key,
-      false,
+      false
     );
     AsyncStorageManager.set(
       AsyncStorageManager.PREFERENCES.updateNumber.key,
-      Update.number,
+      Update.number
     );
     AsyncStorageManager.set(
       AsyncStorageManager.PREFERENCES.showAprilFoolsStart.key,
-      false,
+      false
     );
   };
 
@@ -161,16 +162,16 @@ export default class App extends React.Component<{}, StateType> {
       isLoading: false,
       currentTheme: ThemeManager.getCurrentTheme(),
       showIntro: AsyncStorageManager.getBool(
-        AsyncStorageManager.PREFERENCES.showIntro.key,
+        AsyncStorageManager.PREFERENCES.showIntro.key
       ),
       showUpdate:
         AsyncStorageManager.getNumber(
-          AsyncStorageManager.PREFERENCES.updateNumber.key,
+          AsyncStorageManager.PREFERENCES.updateNumber.key
         ) !== Update.number,
       showAprilFools:
         AprilFoolsManager.getInstance().isAprilFoolsEnabled() &&
         AsyncStorageManager.getBool(
-          AsyncStorageManager.PREFERENCES.showAprilFoolsStart.key,
+          AsyncStorageManager.PREFERENCES.showAprilFoolsStart.key
         ),
     });
     SplashScreen.hide();
@@ -213,12 +214,14 @@ export default class App extends React.Component<{}, StateType> {
           <View
             style={{
               backgroundColor: ThemeManager.getCurrentTheme().colors.background,
-              flex: 1,
-            }}>
-            <SafeAreaView style={{flex: 1}}>
+              ...GENERAL_STYLES.flex,
+            }}
+          >
+            <SafeAreaView style={GENERAL_STYLES.flex}>
               <NavigationContainer
                 theme={state.currentTheme}
-                ref={this.navigatorRef}>
+                ref={this.navigatorRef}
+              >
                 <MainNavigator
                   defaultHomeRoute={this.defaultHomeRoute}
                   defaultHomeData={this.defaultHomeData}

__mocks__/react-native-keychain/index.js

@@ -1,7 +1,7 @@
 const keychainMock = {
-    SECURITY_LEVEL_ANY: "MOCK_SECURITY_LEVEL_ANY",
-    SECURITY_LEVEL_SECURE_SOFTWARE: "MOCK_SECURITY_LEVEL_SECURE_SOFTWARE",
-    SECURITY_LEVEL_SECURE_HARDWARE: "MOCK_SECURITY_LEVEL_SECURE_HARDWARE",
-}
+  SECURITY_LEVEL_ANY: 'MOCK_SECURITY_LEVEL_ANY',
+  SECURITY_LEVEL_SECURE_SOFTWARE: 'MOCK_SECURITY_LEVEL_SECURE_SOFTWARE',
+  SECURITY_LEVEL_SECURE_HARDWARE: 'MOCK_SECURITY_LEVEL_SECURE_HARDWARE',
+};
 
 export default keychainMock;

__tests__/managers/ConnectionManager.test.js

@@ -1,11 +1,9 @@
-/* eslint-disable */
-
-import React from 'react';
 import ConnectionManager from '../../src/managers/ConnectionManager';
 import { ERROR_TYPE } from '../../src/utils/WebData';
 
 jest.mock('react-native-keychain');
 
+// eslint-disable-next-line no-unused-vars
 const fetch = require('isomorphic-fetch'); // fetch is not implemented in nodeJS but in react-native
 
 const c = ConnectionManager.getInstance();
@@ -44,7 +42,7 @@ test('connect bad credentials', () => {
     });
   });
   return expect(c.connect('email', 'password')).rejects.toBe(
-    ERROR_TYPE.BAD_CREDENTIALS,
+    ERROR_TYPE.BAD_CREDENTIALS
   );
 });
 
@@ -79,7 +77,7 @@ test('connect good credentials no consent', () => {
     });
   });
   return expect(c.connect('email', 'password')).rejects.toBe(
-    ERROR_TYPE.NO_CONSENT,
+    ERROR_TYPE.NO_CONSENT
   );
 });
 
@@ -100,7 +98,7 @@ test('connect good credentials, fail save token', () => {
       return Promise.reject(false);
     });
   return expect(c.connect('email', 'password')).rejects.toBe(
-    ERROR_TYPE.TOKEN_SAVE,
+    ERROR_TYPE.TOKEN_SAVE
   );
 });
 
@@ -109,7 +107,7 @@ test('connect connection error', () => {
     return Promise.reject();
   });
   return expect(c.connect('email', 'password')).rejects.toBe(
-    ERROR_TYPE.CONNECTION_ERROR,
+    ERROR_TYPE.CONNECTION_ERROR
   );
 });
 
@@ -125,7 +123,7 @@ test('connect bogus response 1', () => {
     });
   });
   return expect(c.connect('email', 'password')).rejects.toBe(
-    ERROR_TYPE.SERVER_ERROR,
+    ERROR_TYPE.SERVER_ERROR
   );
 });
 
@@ -146,7 +144,7 @@ test('authenticatedRequest success', () => {
     });
   });
   return expect(
-    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check'),
+    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check')
   ).resolves.toStrictEqual({ coucou: 'toi' });
 });
 
@@ -167,7 +165,7 @@ test('authenticatedRequest error wrong token', () => {
     });
   });
   return expect(
-    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check'),
+    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check')
   ).rejects.toBe(ERROR_TYPE.BAD_TOKEN);
 });
 
@@ -187,7 +185,7 @@ test('authenticatedRequest error bogus response', () => {
     });
   });
   return expect(
-    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check'),
+    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check')
   ).rejects.toBe(ERROR_TYPE.SERVER_ERROR);
 });
 
@@ -201,7 +199,7 @@ test('authenticatedRequest connection error', () => {
     return Promise.reject();
   });
   return expect(
-    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check'),
+    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check')
   ).rejects.toBe(ERROR_TYPE.CONNECTION_ERROR);
 });
 
@@ -212,6 +210,6 @@ test('authenticatedRequest error no token', () => {
       return null;
     });
   return expect(
-    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check'),
+    c.authenticatedRequest('https://www.amicale-insat.fr/api/token/check')
   ).rejects.toBe(ERROR_TYPE.TOKEN_RETRIEVE);
 });

__tests__/utils/EquipmentBooking.test.js

@@ -1,6 +1,3 @@
-/* eslint-disable */
-
-import React from 'react';
 import * as EquipmentBooking from '../../src/utils/EquipmentBooking';
 import i18n from 'i18n-js';
 
@@ -18,7 +15,7 @@ test('getCurrentDay', () => {
     .spyOn(Date, 'now')
     .mockImplementation(() => new Date('2020-01-14 14:50:35').getTime());
   expect(EquipmentBooking.getCurrentDay().getTime()).toBe(
-    new Date('2020-01-14').getTime(),
+    new Date('2020-01-14').getTime()
   );
 });
 
@@ -58,18 +55,18 @@ test('getFirstEquipmentAvailability', () => {
     booked_at: [{ begin: '2020-07-07', end: '2020-07-10' }],
   };
   expect(
-    EquipmentBooking.getFirstEquipmentAvailability(testDevice).getTime(),
+    EquipmentBooking.getFirstEquipmentAvailability(testDevice).getTime()
   ).toBe(new Date('2020-07-11').getTime());
   testDevice.booked_at = [{ begin: '2020-07-07', end: '2020-07-09' }];
   expect(
-    EquipmentBooking.getFirstEquipmentAvailability(testDevice).getTime(),
+    EquipmentBooking.getFirstEquipmentAvailability(testDevice).getTime()
   ).toBe(new Date('2020-07-10').getTime());
   testDevice.booked_at = [
     { begin: '2020-07-07', end: '2020-07-09' },
     { begin: '2020-07-10', end: '2020-07-16' },
   ];
   expect(
-    EquipmentBooking.getFirstEquipmentAvailability(testDevice).getTime(),
+    EquipmentBooking.getFirstEquipmentAvailability(testDevice).getTime()
   ).toBe(new Date('2020-07-17').getTime());
   testDevice.booked_at = [
     { begin: '2020-07-07', end: '2020-07-09' },
@@ -77,7 +74,7 @@ test('getFirstEquipmentAvailability', () => {
     { begin: '2020-07-14', end: '2020-07-16' },
   ];
   expect(
-    EquipmentBooking.getFirstEquipmentAvailability(testDevice).getTime(),
+    EquipmentBooking.getFirstEquipmentAvailability(testDevice).getTime()
   ).toBe(new Date('2020-07-13').getTime());
 });
 
@@ -85,7 +82,7 @@ test('getRelativeDateString', () => {
   jest
     .spyOn(Date, 'now')
     .mockImplementation(() => new Date('2020-07-09').getTime());
-  jest.spyOn(i18n, 't').mockImplementation((translationString: string) => {
+  jest.spyOn(i18n, 't').mockImplementation((translationString) => {
     const prefix = 'screens.equipment.';
     if (translationString === prefix + 'otherYear') return '0';
     else if (translationString === prefix + 'otherMonth') return '1';
@@ -95,25 +92,25 @@ test('getRelativeDateString', () => {
     else return null;
   });
   expect(EquipmentBooking.getRelativeDateString(new Date('2020-07-09'))).toBe(
-    '4',
+    '4'
   );
   expect(EquipmentBooking.getRelativeDateString(new Date('2020-07-10'))).toBe(
-    '3',
+    '3'
   );
   expect(EquipmentBooking.getRelativeDateString(new Date('2020-07-11'))).toBe(
-    '2',
+    '2'
   );
   expect(EquipmentBooking.getRelativeDateString(new Date('2020-07-30'))).toBe(
-    '2',
+    '2'
   );
   expect(EquipmentBooking.getRelativeDateString(new Date('2020-08-30'))).toBe(
-    '1',
+    '1'
   );
   expect(EquipmentBooking.getRelativeDateString(new Date('2020-11-10'))).toBe(
-    '1',
+    '1'
   );
   expect(EquipmentBooking.getRelativeDateString(new Date('2021-11-10'))).toBe(
-    '0',
+    '0'
   );
 });
 
@@ -134,7 +131,7 @@ test('getValidRange', () => {
     '2020-07-15',
   ];
   expect(EquipmentBooking.getValidRange(start, end, testDevice)).toStrictEqual(
-    result,
+    result
   );
   testDevice.booked_at = [
     { begin: '2020-07-07', end: '2020-07-10' },
@@ -142,43 +139,43 @@ test('getValidRange', () => {
   ];
   result = ['2020-07-11', '2020-07-12'];
   expect(EquipmentBooking.getValidRange(start, end, testDevice)).toStrictEqual(
-    result,
+    result
   );
 
   testDevice.booked_at = [{ begin: '2020-07-12', end: '2020-07-13' }];
   result = ['2020-07-11'];
   expect(EquipmentBooking.getValidRange(start, end, testDevice)).toStrictEqual(
-    result,
+    result
   );
   testDevice.booked_at = [{ begin: '2020-07-07', end: '2020-07-12' }];
   result = ['2020-07-13', '2020-07-14', '2020-07-15'];
   expect(EquipmentBooking.getValidRange(end, start, testDevice)).toStrictEqual(
-    result,
+    result
   );
   start = new Date('2020-07-14');
   end = new Date('2020-07-14');
   result = ['2020-07-14'];
   expect(
-    EquipmentBooking.getValidRange(start, start, testDevice),
+    EquipmentBooking.getValidRange(start, start, testDevice)
   ).toStrictEqual(result);
   expect(EquipmentBooking.getValidRange(end, start, testDevice)).toStrictEqual(
-    result,
+    result
   );
   expect(EquipmentBooking.getValidRange(start, end, null)).toStrictEqual(
-    result,
+    result
   );
 
   start = new Date('2020-07-14');
   end = new Date('2020-07-17');
   result = ['2020-07-14', '2020-07-15', '2020-07-16', '2020-07-17'];
   expect(EquipmentBooking.getValidRange(start, end, null)).toStrictEqual(
-    result,
+    result
   );
 
   testDevice.booked_at = [{ begin: '2020-07-17', end: '2020-07-17' }];
   result = ['2020-07-14', '2020-07-15', '2020-07-16'];
   expect(EquipmentBooking.getValidRange(start, end, testDevice)).toStrictEqual(
-    result,
+    result
   );
 
   testDevice.booked_at = [
@@ -189,7 +186,7 @@ test('getValidRange', () => {
   end = new Date('2020-07-23');
   result = ['2020-07-21', '2020-07-22', '2020-07-23'];
   expect(EquipmentBooking.getValidRange(end, start, testDevice)).toStrictEqual(
-    result,
+    result
   );
 });
 
@@ -228,7 +225,7 @@ test('generateMarkedDates', () => {
     },
   };
   expect(
-    EquipmentBooking.generateMarkedDates(true, theme, range),
+    EquipmentBooking.generateMarkedDates(true, theme, range)
   ).toStrictEqual(result);
   result = {
     '2020-07-11': {
@@ -248,7 +245,7 @@ test('generateMarkedDates', () => {
     },
   };
   expect(
-    EquipmentBooking.generateMarkedDates(false, theme, range),
+    EquipmentBooking.generateMarkedDates(false, theme, range)
   ).toStrictEqual(result);
   result = {
     '2020-07-11': {
@@ -269,7 +266,7 @@ test('generateMarkedDates', () => {
   };
   range = EquipmentBooking.getValidRange(end, start, testDevice);
   expect(
-    EquipmentBooking.generateMarkedDates(false, theme, range),
+    EquipmentBooking.generateMarkedDates(false, theme, range)
   ).toStrictEqual(result);
 
   testDevice.booked_at = [{ begin: '2020-07-13', end: '2020-07-15' }];
@@ -287,7 +284,7 @@ test('generateMarkedDates', () => {
   };
   range = EquipmentBooking.getValidRange(start, end, testDevice);
   expect(
-    EquipmentBooking.generateMarkedDates(true, theme, range),
+    EquipmentBooking.generateMarkedDates(true, theme, range)
   ).toStrictEqual(result);
 
   testDevice.booked_at = [{ begin: '2020-07-12', end: '2020-07-13' }];
@@ -300,7 +297,7 @@ test('generateMarkedDates', () => {
   };
   range = EquipmentBooking.getValidRange(start, end, testDevice);
   expect(
-    EquipmentBooking.generateMarkedDates(true, theme, range),
+    EquipmentBooking.generateMarkedDates(true, theme, range)
   ).toStrictEqual(result);
 
   testDevice.booked_at = [
@@ -318,7 +315,7 @@ test('generateMarkedDates', () => {
   };
   range = EquipmentBooking.getValidRange(start, end, testDevice);
   expect(
-    EquipmentBooking.generateMarkedDates(true, theme, range),
+    EquipmentBooking.generateMarkedDates(true, theme, range)
   ).toStrictEqual(result);
 
   result = {
@@ -340,6 +337,6 @@ test('generateMarkedDates', () => {
   };
   range = EquipmentBooking.getValidRange(end, start, testDevice);
   expect(
-    EquipmentBooking.generateMarkedDates(true, theme, range),
+    EquipmentBooking.generateMarkedDates(true, theme, range)
   ).toStrictEqual(result);
 });

__tests__/utils/PlanningEventManager.test.js

@@ -1,6 +1,3 @@
-/* eslint-disable */
-
-import React from 'react';
 import * as Planning from '../../src/utils/Planning';
 
 test('isDescriptionEmpty', () => {
@@ -24,7 +21,7 @@ test('isEventDateStringFormatValid', () => {
   expect(Planning.isEventDateStringFormatValid('3214-64-12 01:16')).toBeTrue();
 
   expect(
-    Planning.isEventDateStringFormatValid('3214-64-12 01:16:00'),
+    Planning.isEventDateStringFormatValid('3214-64-12 01:16:00')
   ).toBeFalse();
   expect(Planning.isEventDateStringFormatValid('3214-64-12 1:16')).toBeFalse();
   expect(Planning.isEventDateStringFormatValid('3214-f4-12 01:16')).toBeFalse();
@@ -32,7 +29,7 @@ test('isEventDateStringFormatValid', () => {
   expect(Planning.isEventDateStringFormatValid('2020-03-21')).toBeFalse();
   expect(Planning.isEventDateStringFormatValid('2020-03-21 truc')).toBeFalse();
   expect(
-    Planning.isEventDateStringFormatValid('3214-64-12 1:16:65'),
+    Planning.isEventDateStringFormatValid('3214-64-12 1:16:65')
   ).toBeFalse();
   expect(Planning.isEventDateStringFormatValid('garbage')).toBeFalse();
   expect(Planning.isEventDateStringFormatValid('')).toBeFalse();
@@ -65,17 +62,17 @@ test('getFormattedEventTime', () => {
   expect(Planning.getFormattedEventTime(undefined, undefined)).toBe('/ - /');
   expect(Planning.getFormattedEventTime('20:30', '23:00')).toBe('/ - /');
   expect(Planning.getFormattedEventTime('2020-03-30', '2020-03-31')).toBe(
-    '/ - /',
+    '/ - /'
   );
 
   expect(
-    Planning.getFormattedEventTime('2020-03-21 09:00', '2020-03-21 09:00'),
+    Planning.getFormattedEventTime('2020-03-21 09:00', '2020-03-21 09:00')
   ).toBe('09:00');
   expect(
-    Planning.getFormattedEventTime('2020-03-21 09:00', '2020-03-22 17:00'),
+    Planning.getFormattedEventTime('2020-03-21 09:00', '2020-03-22 17:00')
   ).toBe('09:00 - 23:59');
   expect(
-    Planning.getFormattedEventTime('2020-03-30 20:30', '2020-03-30 23:00'),
+    Planning.getFormattedEventTime('2020-03-30 20:30', '2020-03-30 23:00')
   ).toBe('20:30 - 23:00');
 });
 
@@ -90,38 +87,38 @@ test('getDateOnlyString', () => {
 
 test('isEventBefore', () => {
   expect(
-    Planning.isEventBefore('2020-03-21 09:00', '2020-03-21 10:00'),
+    Planning.isEventBefore('2020-03-21 09:00', '2020-03-21 10:00')
   ).toBeTrue();
   expect(
-    Planning.isEventBefore('2020-03-21 10:00', '2020-03-21 10:15'),
+    Planning.isEventBefore('2020-03-21 10:00', '2020-03-21 10:15')
   ).toBeTrue();
   expect(
-    Planning.isEventBefore('2020-03-21 10:15', '2021-03-21 10:15'),
+    Planning.isEventBefore('2020-03-21 10:15', '2021-03-21 10:15')
   ).toBeTrue();
   expect(
-    Planning.isEventBefore('2020-03-21 10:15', '2020-05-21 10:15'),
+    Planning.isEventBefore('2020-03-21 10:15', '2020-05-21 10:15')
   ).toBeTrue();
   expect(
-    Planning.isEventBefore('2020-03-21 10:15', '2020-03-30 10:15'),
+    Planning.isEventBefore('2020-03-21 10:15', '2020-03-30 10:15')
   ).toBeTrue();
 
   expect(
-    Planning.isEventBefore('2020-03-21 10:00', '2020-03-21 10:00'),
+    Planning.isEventBefore('2020-03-21 10:00', '2020-03-21 10:00')
   ).toBeFalse();
   expect(
-    Planning.isEventBefore('2020-03-21 10:00', '2020-03-21 09:00'),
+    Planning.isEventBefore('2020-03-21 10:00', '2020-03-21 09:00')
   ).toBeFalse();
   expect(
-    Planning.isEventBefore('2020-03-21 10:15', '2020-03-21 10:00'),
+    Planning.isEventBefore('2020-03-21 10:15', '2020-03-21 10:00')
   ).toBeFalse();
   expect(
-    Planning.isEventBefore('2021-03-21 10:15', '2020-03-21 10:15'),
+    Planning.isEventBefore('2021-03-21 10:15', '2020-03-21 10:15')
   ).toBeFalse();
   expect(
-    Planning.isEventBefore('2020-05-21 10:15', '2020-03-21 10:15'),
+    Planning.isEventBefore('2020-05-21 10:15', '2020-03-21 10:15')
   ).toBeFalse();
   expect(
-    Planning.isEventBefore('2020-03-30 10:15', '2020-03-21 10:15'),
+    Planning.isEventBefore('2020-03-30 10:15', '2020-03-21 10:15')
   ).toBeFalse();
 
   expect(Planning.isEventBefore('garbage', '2020-03-21 10:15')).toBeFalse();

__tests__/utils/Proxiwash.test.js

@@ -1,6 +1,3 @@
-/* eslint-disable */
-
-import React from 'react';
 import {
   getCleanedMachineWatched,
   getMachineEndDate,
@@ -16,13 +13,13 @@ test('getMachineEndDate', () => {
   expectDate.setHours(23);
   expectDate.setMinutes(10);
   expect(getMachineEndDate({ endTime: '23:10' }).getTime()).toBe(
-    expectDate.getTime(),
+    expectDate.getTime()
   );
 
   expectDate.setHours(16);
   expectDate.setMinutes(30);
   expect(getMachineEndDate({ endTime: '16:30' }).getTime()).toBe(
-    expectDate.getTime(),
+    expectDate.getTime()
   );
 
   expect(getMachineEndDate({ endTime: '15:30' })).toBeNull();
@@ -36,7 +33,7 @@ test('getMachineEndDate', () => {
   expectDate.setHours(0);
   expectDate.setMinutes(30);
   expect(getMachineEndDate({ endTime: '00:30' }).getTime()).toBe(
-    expectDate.getTime(),
+    expectDate.getTime()
   );
 });
 
@@ -52,16 +49,16 @@ test('isMachineWatched', () => {
     },
   ];
   expect(
-    isMachineWatched({number: '0', endTime: '23:30'}, machineList),
+    isMachineWatched({ number: '0', endTime: '23:30' }, machineList)
   ).toBeTrue();
   expect(
-    isMachineWatched({number: '1', endTime: '20:30'}, machineList),
+    isMachineWatched({ number: '1', endTime: '20:30' }, machineList)
   ).toBeTrue();
   expect(
-    isMachineWatched({number: '3', endTime: '20:30'}, machineList),
+    isMachineWatched({ number: '3', endTime: '20:30' }, machineList)
   ).toBeFalse();
   expect(
-    isMachineWatched({number: '1', endTime: '23:30'}, machineList),
+    isMachineWatched({ number: '1', endTime: '23:30' }, machineList)
   ).toBeFalse();
 });
 
@@ -110,7 +107,7 @@ test('getCleanedMachineWatched', () => {
   ];
   let cleanedList = watchList;
   expect(getCleanedMachineWatched(watchList, machineList)).toStrictEqual(
-    cleanedList,
+    cleanedList
   );
 
   watchList = [
@@ -138,7 +135,7 @@ test('getCleanedMachineWatched', () => {
     },
   ];
   expect(getCleanedMachineWatched(watchList, machineList)).toStrictEqual(
-    cleanedList,
+    cleanedList
   );
 
   watchList = [
@@ -162,6 +159,6 @@ test('getCleanedMachineWatched', () => {
     },
   ];
   expect(getCleanedMachineWatched(watchList, machineList)).toStrictEqual(
-    cleanedList,
+    cleanedList
   );
 });

__tests__/utils/WebData.test.js

@@ -1,8 +1,6 @@
-/* eslint-disable */
-
-import React from 'react';
 import { isApiResponseValid } from '../../src/utils/WebData';
 
+// eslint-disable-next-line no-unused-vars
 const fetch = require('isomorphic-fetch'); // fetch is not implemented in nodeJS but in react-native
 
 test('isRequestResponseValid', () => {

clear-node-cache.sh

@@ -1,18 +0,0 @@
-#!/bin/bash
-
-echo "Removing node_modules..."
-rm -rf node_modules/
-echo -e "Done\n"
-
-echo "Removing locks..."
-rm -f package-lock.json && rm -f yarn.lock
-echo -e "Done\n"
-
-#echo "Verifying npm cache..."
-#npm cache verify
-#echo -e "Done\n"
-
-echo "Installing dependencies..."
-npm install
-echo -e "Done\n"
-

index.js

@@ -25,5 +25,4 @@ import {AppRegistry} from 'react-native';
 import App from './App';
 import { name as appName } from './app.json';
 
-// eslint-disable-next-line flowtype/require-return-type
 AppRegistry.registerComponent(appName, () => App);

metro.config.js

@@ -7,11 +7,10 @@
 
 module.exports = {
   transformer: {
-    // eslint-disable-next-line flowtype/require-return-type
     getTransformOptions: async () => ({
       transform: {
         experimentalImportSupport: false,
-        inlineRequires: false,
+        inlineRequires: true,
       },
     }),
   },

package.json

@@ -3,12 +3,113 @@
   "version": "4.1.0",
   "private": true,
   "scripts": {
-    "start": "react-native start",
     "android": "react-native run-android",
     "android-release": "react-native run-android --variant=release",
     "ios": "react-native run-ios",
+    "start": "react-native start",
+    "start-no-cache": "react-native start --reset-cache",
     "test": "jest",
-    "lint": "eslint . --ext .js,.jsx,.ts,.tsx"
+    "typescript": "tsc --noEmit",
+    "lint": "eslint . --ext .js,.jsx,.ts,.tsx",
+    "lint-fix": "eslint . --ext .js,.jsx,.ts,.tsx --fix",
+    "full-check": "npm run typescript && npm run lint && npm run test",
+    "pod": "cd ios && pod install && cd ..",
+    "bundle": "npm run full-check && cd android && ./gradlew bundleRelease",
+    "postversion": "react-native-version"
+  },
+  "dependencies": {
+    "@nartc/react-native-barcode-mask": "1.2.0",
+    "@react-native-community/async-storage": "1.12.0",
+    "@react-native-community/masked-view": "0.1.10",
+    "@react-native-community/push-notification-ios": "1.5.0",
+    "@react-native-community/slider": "3.0.3",
+    "@react-navigation/bottom-tabs": "5.8.0",
+    "@react-navigation/native": "5.7.3",
+    "@react-navigation/stack": "5.9.0",
+    "i18n-js": "3.7.1",
+    "react": "16.13.1",
+    "react-native": "0.63.2",
+    "react-native-animatable": "1.3.3",
+    "react-native-app-intro-slider": "4.0.4",
+    "react-native-appearance": "0.3.4",
+    "react-native-autolink": "3.0.0",
+    "react-native-calendars": "1.403.0",
+    "react-native-camera": "3.40.0",
+    "react-native-collapsible": "1.5.3",
+    "react-native-gesture-handler": "1.8.0",
+    "react-native-image-zoom-viewer": "3.0.1",
+    "react-native-keychain": "4.0.5",
+    "react-native-linear-gradient": "2.5.6",
+    "react-native-localize": "1.4.1",
+    "react-native-modalize": "2.0.6",
+    "react-native-paper": "4.2.0",
+    "react-native-permissions": "2.2.1",
+    "react-native-push-notification": "5.1.1",
+    "react-native-reanimated": "1.13.0",
+    "react-native-render-html": "4.2.3",
+    "react-native-safe-area-context": "3.1.8",
+    "react-native-screens": "2.11.0",
+    "react-native-splash-screen": "3.2.0",
+    "react-native-vector-icons": "7.1.0",
+    "react-native-webview": "10.9.0",
+    "react-navigation-collapsible": "5.6.4",
+    "react-navigation-header-buttons": "5.0.2"
+  },
+  "devDependencies": {
+    "@babel/core": "7.11.0",
+    "@babel/runtime": "7.11.0",
+    "@react-native-community/eslint-config": "1.1.0",
+    "@types/i18n-js": "3.0.3",
+    "@types/jest": "25.2.3",
+    "@types/react-native": "0.63.2",
+    "@types/react-native-calendars": "1.20.10",
+    "@types/react-native-vector-icons": "6.4.6",
+    "@types/react-test-renderer": "16.9.2",
+    "@typescript-eslint/eslint-plugin": "2.27.0",
+    "@typescript-eslint/parser": "2.27.0",
+    "babel-jest": "25.1.0",
+    "eslint": "7.2.0",
+    "jest": "25.1.0",
+    "jest-extended": "0.11.5",
+    "jest-fetch-mock": "3.0.3",
+    "metro-react-native-babel-preset": "0.59.0",
+    "prettier": "2.0.5",
+    "react-native-version": "4.0.0",
+    "react-test-renderer": "16.13.1",
+    "typescript": "3.8.3"
+  },
+  "eslintConfig": {
+    "root": true,
+    "parser": "@typescript-eslint/parser",
+    "plugins": [
+      "@typescript-eslint"
+    ],
+    "extends": [
+      "@react-native-community",
+      "prettier"
+    ],
+    "rules": {
+      "prettier/prettier": [
+        "error",
+        {
+          "quoteProps": "consistent",
+          "singleQuote": true,
+          "tabWidth": 2,
+          "trailingComma": "es5",
+          "useTabs": false
+        }
+      ]
+    }
+  },
+  "eslintIgnore": [
+    "node_modules/"
+  ],
+  "prettier": {
+    "quoteProps": "consistent",
+    "singleQuote": true,
+    "tabWidth": 2,
+    "trailingComma": "es5",
+    "useTabs": false
   },
   "jest": {
     "preset": "react-native",
@@ -23,71 +124,5 @@
     "setupFilesAfterEnv": [
       "jest-extended"
     ]
-  },
-  "dependencies": {
-    "@nartc/react-native-barcode-mask": "^1.2.0",
-    "@react-native-community/async-storage": "^1.12.0",
-    "@react-native-community/masked-view": "^0.1.10",
-    "@react-native-community/push-notification-ios": "^1.5.0",
-    "@react-native-community/slider": "^3.0.3",
-    "@react-navigation/bottom-tabs": "^5.8.0",
-    "@react-navigation/native": "^5.7.3",
-    "@react-navigation/stack": "^5.9.0",
-    "i18n-js": "^3.7.1",
-    "react": "16.13.1",
-    "react-native": "0.63.2",
-    "react-native-animatable": "^1.3.3",
-    "react-native-app-intro-slider": "^4.0.4",
-    "react-native-appearance": "^0.3.4",
-    "react-native-autolink": "^3.0.0",
-    "react-native-calendars": "^1.403.0",
-    "react-native-camera": "^3.40.0",
-    "react-native-collapsible": "^1.5.3",
-    "react-native-gesture-handler": "^1.8.0",
-    "react-native-image-zoom-viewer": "^3.0.1",
-    "react-native-keychain": "4.0.5",
-    "react-native-linear-gradient": "^2.5.6",
-    "react-native-localize": "^1.4.1",
-    "react-native-modalize": "^2.0.6",
-    "react-native-paper": "^4.2.0",
-    "react-native-permissions": "^2.2.1",
-    "react-native-push-notification": "^5.1.1",
-    "react-native-reanimated": "^1.13.0",
-    "react-native-render-html": "^4.2.3",
-    "react-native-safe-area-context": "^3.1.8",
-    "react-native-screens": "^2.11.0",
-    "react-native-splash-screen": "^3.2.0",
-    "react-native-vector-icons": "^7.1.0",
-    "react-native-webview": "^10.9.0",
-    "react-navigation-collapsible": "^5.6.4",
-    "react-navigation-header-buttons": "^5.0.2"
-  },
-  "devDependencies": {
-    "@babel/core": "^7.11.0",
-    "@babel/runtime": "^7.11.0",
-    "@react-native-community/eslint-config": "^1.1.0",
-    "@types/i18n-js": "^3.0.3",
-    "@types/jest": "^25.2.3",
-    "@types/react-native": "^0.63.2",
-    "@types/react-native-calendars": "^1.20.10",
-    "@types/react-native-vector-icons": "^6.4.6",
-    "@types/react-test-renderer": "^16.9.2",
-    "@typescript-eslint/eslint-plugin": "^2.27.0",
-    "@typescript-eslint/parser": "^2.27.0",
-    "babel-jest": "^25.1.0",
-    "eslint": "^7.2.0",
-    "eslint-config-airbnb": "^18.2.0",
-    "eslint-config-prettier": "^6.11.0",
-    "eslint-plugin-flowtype": "^5.2.0",
-    "eslint-plugin-import": "^2.22.0",
-    "eslint-plugin-jsx-a11y": "^6.3.1",
-    "eslint-plugin-react": "^7.20.5",
-    "eslint-plugin-react-hooks": "^4.0.0",
-    "jest": "^25.1.0",
-    "jest-extended": "^0.11.5",
-    "metro-react-native-babel-preset": "^0.59.0",
-    "prettier": "2.0.5",
-    "react-test-renderer": "16.13.1",
-    "typescript": "^3.8.3"
   }
 }

src/components/Amicale/AuthenticatedScreen.tsx

@@ -176,11 +176,11 @@ class AuthenticatedScreen<T> extends React.Component<PropsType<T>, StateType> {
         this.connectionManager
           .authenticatedRequest<T>(
             props.requests[i].link,
-            props.requests[i].params,
+            props.requests[i].params
           )
           .then((response: T): void => this.onRequestFinished(response, i))
           .catch((error: number): void =>
-            this.onRequestFinished(null, i, error),
+            this.onRequestFinished(null, i, error)
           );
       }
     } else {

src/components/Amicale/Vote/VoteNotAvailable.tsx

@@ -18,24 +18,31 @@
  */
 
 import React from 'react';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import { Headline, useTheme } from 'react-native-paper';
 import i18n from 'i18n-js';
 
+const styles = StyleSheet.create({
+  container: {
+    width: '100%',
+    marginTop: 10,
+    marginBottom: 10,
+  },
+  headline: {
+    textAlign: 'center',
+  },
+});
+
 function VoteNotAvailable() {
   const theme = useTheme();
   return (
-    <View
-      style={{
-        width: '100%',
-        marginTop: 10,
-        marginBottom: 10,
-      }}>
+    <View style={styles.container}>
       <Headline
         style={{
           color: theme.colors.textDisabled,
-          textAlign: 'center',
-        }}>
+          ...styles.headline,
+        }}
+      >
         {i18n.t('screens.vote.noVote')}
       </Headline>
     </View>

src/components/Amicale/Vote/VoteResults.tsx

@@ -40,8 +40,11 @@ const styles = StyleSheet.create({
   card: {
     margin: 10,
   },
-  icon: {
-    backgroundColor: 'transparent',
+  itemCard: {
+    marginTop: 10,
+  },
+  item: {
+    padding: 0,
   },
 });
 
@@ -90,12 +93,14 @@ class VoteResults extends React.Component<PropsType> {
     const isWinner = this.winnerIds.indexOf(item.id) !== -1;
     const isDraw = this.winnerIds.length > 1;
     const { props } = this;
+    const elevation = isWinner ? 5 : 3;
     return (
       <Card
         style={{
-          marginTop: 10,
-          elevation: isWinner ? 5 : 3,
-        }}>
+          ...styles.itemCard,
+          elevation: elevation,
+        }}
+      >
         <List.Item
           title={item.name}
           description={`${item.votes} ${i18n.t('screens.vote.results.votes')}`}
@@ -113,7 +118,7 @@ class VoteResults extends React.Component<PropsType> {
               ? props.theme.colors.primary
               : props.theme.colors.text,
           }}
-          style={{padding: 0}}
+          style={styles.item}
         />
         <ProgressBar
           progress={item.votes / this.totalVotes}

src/components/Amicale/Vote/VoteSelect.tsx

@@ -43,8 +43,8 @@ const styles = StyleSheet.create({
   card: {
     margin: 10,
   },
-  icon: {
-    backgroundColor: 'transparent',
+  button: {
+    marginLeft: 'auto',
   },
 });
 
@@ -123,7 +123,8 @@ export default class VoteSelect extends React.PureComponent<
           <Card.Content>
             <RadioButton.Group
               onValueChange={this.onVoteSelectionChange}
-              value={state.selectedTeam}>
+              value={state.selectedTeam}
+            >
               <FlatList
                 data={props.teams}
                 keyExtractor={this.voteKeyExtractor}
@@ -137,8 +138,9 @@ export default class VoteSelect extends React.PureComponent<
               icon="send"
               mode="contained"
               onPress={this.showVoteDialog}
-              style={{marginLeft: 'auto'}}
-              disabled={state.selectedTeam === 'none'}>
+              style={styles.button}
+              disabled={state.selectedTeam === 'none'}
+            >
               {i18n.t('screens.vote.select.sendButton')}
             </Button>
           </Card.Actions>

src/components/Amicale/Vote/VoteTease.tsx

@@ -30,9 +30,6 @@ const styles = StyleSheet.create({
   card: {
     margin: 10,
   },
-  icon: {
-    backgroundColor: 'transparent',
-  },
 });
 
 export default function VoteTease(props: PropsType) {

src/components/Amicale/Vote/VoteWait.tsx

@@ -33,9 +33,6 @@ const styles = StyleSheet.create({
   card: {
     margin: 10,
   },
-  icon: {
-    backgroundColor: 'transparent',
-  },
 });
 
 export default function VoteWait(props: PropsType) {

src/components/Animations/AnimatedBottomBar.tsx

@@ -76,6 +76,12 @@ const styles = StyleSheet.create({
     alignSelf: 'center',
     top: '-25%',
   },
+  side: {
+    flexDirection: 'row',
+  },
+  icon: {
+    marginLeft: 5,
+  },
 });
 
 class AnimatedBottomBar extends React.Component<PropsType, StateType> {
@@ -154,7 +160,8 @@ class AnimatedBottomBar extends React.Component<PropsType, StateType> {
         style={{
           ...styles.container,
           bottom: 10 + CustomTabBar.TAB_BAR_HEIGHT,
-        }}>
+        }}
+      >
         <Surface style={styles.surface}>
           <View style={styles.fabContainer}>
             <AnimatedFAB
@@ -165,10 +172,10 @@ class AnimatedBottomBar extends React.Component<PropsType, StateType> {
               useNativeDriver
               style={styles.fab}
               icon="account-clock"
-              onPress={(): void => props.navigation.navigate('group-select')}
+              onPress={() => props.navigation.navigate('group-select')}
             />
           </View>
-          <View style={{flexDirection: 'row'}}>
+          <View style={styles.side}>
             <IconButton
               icon={this.displayModeIcons[state.currentMode]}
               color={buttonColor}
@@ -177,21 +184,21 @@ class AnimatedBottomBar extends React.Component<PropsType, StateType> {
             <IconButton
               icon="clock-in"
               color={buttonColor}
-              style={{marginLeft: 5}}
-              onPress={(): void => props.onPress('today')}
+              style={styles.icon}
+              onPress={() => props.onPress('today')}
             />
           </View>
-          <View style={{flexDirection: 'row'}}>
+          <View style={styles.side}>
             <IconButton
               icon="chevron-left"
               color={buttonColor}
-              onPress={(): void => props.onPress('prev')}
+              onPress={() => props.onPress('prev')}
             />
             <IconButton
               icon="chevron-right"
               color={buttonColor}
-              style={{marginLeft: 5}}
-              onPress={(): void => props.onPress('next')}
+              style={styles.icon}
+              onPress={() => props.onPress('next')}
             />
           </View>
         </Surface>

src/components/Animations/AnimatedFAB.tsx

@@ -83,7 +83,8 @@ export default class AnimatedFAB extends React.Component<PropsType> {
         style={{
           ...styles.fab,
           bottom: CustomTabBar.TAB_BAR_HEIGHT,
-        }}>
+        }}
+      >
         <FAB icon={props.icon} onPress={props.onPress} />
       </Animatable.View>
     );

src/components/Collapsible/CollapsibleComponent.tsx

@@ -20,17 +20,27 @@
 import * as React from 'react';
 import { useCollapsibleStack } from 'react-navigation-collapsible';
 import CustomTabBar from '../Tabbar/CustomTabBar';
-import {NativeScrollEvent, NativeSyntheticEvent} from 'react-native';
+import {
+  NativeScrollEvent,
+  NativeSyntheticEvent,
+  StyleSheet,
+} from 'react-native';
 
-export interface CollapsibleComponentPropsType {
+export type CollapsibleComponentPropsType = {
   children?: React.ReactNode;
   hasTab?: boolean;
   onScroll?: (event: NativeSyntheticEvent<NativeScrollEvent>) => void;
-}
+};
 
-interface PropsType extends CollapsibleComponentPropsType {
+type PropsType = CollapsibleComponentPropsType & {
   component: React.ComponentType<any>;
-}
+};
+
+const styles = StyleSheet.create({
+  main: {
+    minHeight: '100%',
+  },
+});
 
 function CollapsibleComponent(props: PropsType) {
   const onScroll = (event: NativeSyntheticEvent<NativeScrollEvent>) => {
@@ -44,17 +54,18 @@ function CollapsibleComponent(props: PropsType) {
     scrollIndicatorInsetTop,
     onScrollWithListener,
   } = useCollapsibleStack();
-
+  const paddingBottom = props.hasTab ? CustomTabBar.TAB_BAR_HEIGHT : 0;
   return (
     <Comp
       {...props}
       onScroll={onScrollWithListener(onScroll)}
       contentContainerStyle={{
         paddingTop: containerPaddingTop,
-        paddingBottom: props.hasTab ? CustomTabBar.TAB_BAR_HEIGHT : 0,
-        minHeight: '100%',
+        paddingBottom: paddingBottom,
+        ...styles.main,
       }}
-      scrollIndicatorInsets={{top: scrollIndicatorInsetTop}}>
+      scrollIndicatorInsets={{ top: scrollIndicatorInsetTop }}
+    >
       {props.children}
     </Comp>
   );

src/components/Dialogs/LoadingConfirmDialog.tsx

@@ -26,6 +26,7 @@ import {
   Portal,
 } from 'react-native-paper';
 import i18n from 'i18n-js';
+import { StyleSheet } from 'react-native';
 
 type PropsType = {
   visible: boolean;
@@ -41,6 +42,12 @@ type StateType = {
   loading: boolean;
 };
 
+const styles = StyleSheet.create({
+  button: {
+    marginRight: 10,
+  },
+});
+
 export default class LoadingConfirmDialog extends React.PureComponent<
   PropsType,
   StateType
@@ -113,7 +120,7 @@ export default class LoadingConfirmDialog extends React.PureComponent<
           </Dialog.Content>
           {state.loading ? null : (
             <Dialog.Actions>
-              <Button onPress={this.onDismiss} style={{marginRight: 10}}>
+              <Button onPress={this.onDismiss} style={styles.button}>
                 {i18n.t('dialog.cancel')}
               </Button>
               <Button onPress={this.onClickAccept}>

src/components/Home/ActionsDashboardItem.tsx

@@ -19,10 +19,19 @@
 
 import * as React from 'react';
 import { List } from 'react-native-paper';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import i18n from 'i18n-js';
 import { useNavigation } from '@react-navigation/native';
 
+const styles = StyleSheet.create({
+  item: {
+    paddingTop: 0,
+    paddingBottom: 0,
+    marginLeft: 10,
+    marginRight: 10,
+  },
+});
+
 function ActionsDashBoardItem() {
   const navigation = useNavigation();
   return (
@@ -45,12 +54,7 @@ function ActionsDashBoardItem() {
           />
         )}
         onPress={(): void => navigation.navigate('feedback')}
-        style={{
-          paddingTop: 0,
-          paddingBottom: 0,
-          marginLeft: 10,
-          marginRight: 10,
-        }}
+        style={styles.item}
       />
     </View>
   );

src/components/Home/EventDashboardItem.tsx

@@ -27,6 +27,7 @@ import {
 } from 'react-native-paper';
 import { StyleSheet, View } from 'react-native';
 import i18n from 'i18n-js';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type PropsType = {
   eventNumber: number;
@@ -45,6 +46,9 @@ const styles = StyleSheet.create({
   avatar: {
     backgroundColor: 'transparent',
   },
+  text: {
+    fontWeight: 'bold',
+  },
 });
 
 /**
@@ -61,7 +65,7 @@ function EventDashBoardItem(props: PropsType) {
   if (isAvailable) {
     subtitle = (
       <Text>
-        <Text style={{fontWeight: 'bold'}}>{props.eventNumber}</Text>
+        <Text style={styles.text}>{props.eventNumber}</Text>
         <Text>
           {props.eventNumber > 1
             ? i18n.t('screens.home.dashboard.todayEventsSubtitlePlural')
@@ -74,7 +78,7 @@ function EventDashBoardItem(props: PropsType) {
   }
   return (
     <Card style={styles.card}>
-      <TouchableRipple style={{flex: 1}} onPress={props.clickAction}>
+      <TouchableRipple style={GENERAL_STYLES.flex} onPress={props.clickAction}>
         <View>
           <Card.Title
             title={i18n.t('screens.home.dashboard.todayEventsTitle')}

src/components/Home/FeedItem.tsx

@@ -19,7 +19,7 @@
 
 import * as React from 'react';
 import { Button, Card, Text, TouchableRipple } from 'react-native-paper';
-import {Image, View} from 'react-native';
+import { Image, StyleSheet, View } from 'react-native';
 import Autolink from 'react-native-autolink';
 import i18n from 'i18n-js';
 import type { FeedItemType } from '../../screens/Home/HomeScreen';
@@ -29,6 +29,7 @@ import NewsSourcesConstants, {
 import type { NewsSourceType } from '../../constants/NewsSourcesConstants';
 import ImageGalleryButton from '../Media/ImageGalleryButton';
 import { useNavigation } from '@react-navigation/native';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type PropsType = {
   item: FeedItemType;
@@ -46,6 +47,20 @@ function getFormattedDate(dateString: number): string {
   return date.toLocaleString();
 }
 
+const styles = StyleSheet.create({
+  image: {
+    width: 48,
+    height: 48,
+  },
+  button: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+  action: {
+    marginLeft: 'auto',
+  },
+});
+
 /**
  * Component used to display a feed item
  */
@@ -76,31 +91,23 @@ function FeedItem(props: PropsType) {
       style={{
         margin: cardMargin,
         height: cardHeight,
-      }}>
-      <TouchableRipple style={{flex: 1}} onPress={onPress}>
+      }}
+    >
+      <TouchableRipple style={GENERAL_STYLES.flex} onPress={onPress}>
         <View>
           <Card.Title
             title={pageSource.name}
             subtitle={getFormattedDate(item.time)}
-            left={() => (
-              <Image
-                source={pageSource.icon}
-                style={{
-                  width: 48,
-                  height: 48,
-                }}
-              />
-            )}
+            left={() => <Image source={pageSource.icon} style={styles.image} />}
             style={{ height: titleHeight }}
           />
           {image != null ? (
             <ImageGalleryButton
               images={[{ url: image }]}
               style={{
+                ...styles.button,
                 width: imageSize,
                 height: imageSize,
-                marginLeft: 'auto',
-                marginRight: 'auto',
               }}
             />
           ) : null}
@@ -115,7 +122,7 @@ function FeedItem(props: PropsType) {
             ) : null}
           </Card.Content>
           <Card.Actions style={{ height: actionsHeight }}>
-            <Button onPress={onPress} icon="plus" style={{marginLeft: 'auto'}}>
+            <Button onPress={onPress} icon="plus" style={styles.action}>
               {i18n.t('screens.home.dashboard.seeMore')}
             </Button>
           </Card.Actions>

src/components/Home/PreviewEventDashboardItem.tsx

@@ -24,6 +24,7 @@ import {Avatar, Button, Card, TouchableRipple} from 'react-native-paper';
 import { getTimeOnlyString, isDescriptionEmpty } from '../../utils/Planning';
 import CustomHTML from '../Overrides/CustomHTML';
 import type { PlanningEventType } from '../../utils/Planning';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type PropsType = {
   event?: PlanningEventType | null;
@@ -59,12 +60,19 @@ function PreviewEventDashboardItem(props: PropsType) {
     const logo = event.logo;
     const getImage = logo
       ? () => (
-          <Avatar.Image source={{uri: logo}} size={50} style={styles.avatar} />
+          <Avatar.Image
+            source={{ uri: logo }}
+            size={50}
+            style={styles.avatar}
+          />
         )
       : () => null;
     return (
       <Card style={styles.card} elevation={3}>
-        <TouchableRipple style={{flex: 1}} onPress={props.clickAction}>
+        <TouchableRipple
+          style={GENERAL_STYLES.flex}
+          onPress={props.clickAction}
+        >
           <View>
             <Card.Title
               title={event.title}

src/components/Home/SmallDashboardItem.tsx

@@ -19,7 +19,7 @@
 
 import * as React from 'react';
 import { Badge, TouchableRipple, useTheme } from 'react-native-paper';
-import {Dimensions, Image, View} from 'react-native';
+import { Dimensions, Image, StyleSheet, View } from 'react-native';
 import * as Animatable from 'react-native-animatable';
 
 type PropsType = {
@@ -28,6 +28,25 @@ type PropsType = {
   badgeCount?: number;
 };
 
+const styles = StyleSheet.create({
+  image: {
+    width: '80%',
+    height: '80%',
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginTop: 'auto',
+    marginBottom: 'auto',
+  },
+  badgeContainer: {
+    position: 'absolute',
+    top: 0,
+    right: 0,
+  },
+  badge: {
+    borderWidth: 2,
+  },
+});
+
 /**
  * Component used to render a small dashboard item
  */
@@ -42,23 +61,18 @@ function SmallDashboardItem(props: PropsType) {
       style={{
         marginLeft: itemSize / 6,
         marginRight: itemSize / 6,
-      }}>
+      }}
+    >
       <View
         style={{
           width: itemSize,
           height: itemSize,
-        }}>
+        }}
+      >
         {image ? (
           <Image
             source={typeof image === 'string' ? { uri: image } : image}
-            style={{
-              width: '80%',
-              height: '80%',
-              marginLeft: 'auto',
-              marginRight: 'auto',
-              marginTop: 'auto',
-              marginBottom: 'auto',
-            }}
+            style={styles.image}
           />
         ) : null}
         {props.badgeCount != null && props.badgeCount > 0 ? (
@@ -66,18 +80,16 @@ function SmallDashboardItem(props: PropsType) {
             animation="zoomIn"
             duration={300}
             useNativeDriver
-            style={{
-              position: 'absolute',
-              top: 0,
-              right: 0,
-            }}>
+            style={styles.badgeContainer}
+          >
             <Badge
               visible={true}
               style={{
                 backgroundColor: theme.colors.primary,
                 borderColor: theme.colors.background,
-                borderWidth: 2,
-              }}>
+                ...styles.badge,
+              }}
+            >
               {props.badgeCount}
             </Badge>
           </Animatable.View>

src/components/Intro/IconIntro.tsx

@@ -21,6 +21,7 @@ import * as React from 'react';
 import { StyleSheet, View } from 'react-native';
 import * as Animatable from 'react-native-animatable';
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type PropsType = {
   icon: string;
@@ -37,7 +38,7 @@ const styles = StyleSheet.create({
 
 function IntroIcon(props: PropsType) {
   return (
-    <View style={{flex: 1}}>
+    <View style={GENERAL_STYLES.flex}>
       <Animatable.View useNativeDriver style={styles.center} animation="fadeIn">
         <MaterialCommunityIcons name={props.icon} color="#fff" size={200} />
       </Animatable.View>

src/components/Intro/MascotIntroEnd.tsx

@@ -19,24 +19,22 @@
 
 import * as React from 'react';
 import { StyleSheet, View } from 'react-native';
+import GENERAL_STYLES from '../../constants/Styles';
 import Mascot, { MASCOT_STYLE } from '../Mascot/Mascot';
 
 const styles = StyleSheet.create({
   center: {
-    marginTop: 'auto',
-    marginBottom: 'auto',
-    marginRight: 'auto',
-    marginLeft: 'auto',
+    ...GENERAL_STYLES.center,
+    width: '80%',
   },
 });
 
 function MascotIntroEnd() {
   return (
-    <View style={{flex: 1}}>
+    <View style={GENERAL_STYLES.flex}>
       <Mascot
         style={{
           ...styles.center,
-          width: '80%',
         }}
         emotion={MASCOT_STYLE.COOL}
         animated

src/components/Intro/MascotIntroWelcome.tsx

@@ -21,25 +21,37 @@ import * as React from 'react';
 import { StyleSheet, View } from 'react-native';
 import * as Animatable from 'react-native-animatable';
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons';
+import GENERAL_STYLES from '../../constants/Styles';
 import Mascot, { MASCOT_STYLE } from '../Mascot/Mascot';
 
 const styles = StyleSheet.create({
-  center: {
-    marginTop: 'auto',
-    marginBottom: 'auto',
-    marginRight: 'auto',
-    marginLeft: 'auto',
+  mascot: {
+    ...GENERAL_STYLES.center,
+    width: '80%',
+  },
+  text: {
+    color: '#fff',
+    textAlign: 'center',
+    fontSize: 25,
+  },
+  container: {
+    position: 'absolute',
+    bottom: 30,
+    right: '20%',
+    width: 50,
+    height: 50,
+  },
+  icon: {
+    ...GENERAL_STYLES.center,
+    transform: [{ rotateZ: '70deg' }],
   },
 });
 
 function MascotIntroWelcome() {
   return (
-    <View style={{flex: 1}}>
+    <View style={GENERAL_STYLES.flex}>
       <Mascot
-        style={{
-          ...styles.center,
-          width: '80%',
-        }}
+        style={styles.mascot}
         emotion={MASCOT_STYLE.NORMAL}
         animated
         entryAnimation={{
@@ -51,11 +63,8 @@ function MascotIntroWelcome() {
         useNativeDriver
         animation="fadeInUp"
         duration={500}
-        style={{
-          color: '#fff',
-          textAlign: 'center',
-          fontSize: 25,
-        }}>
+        style={styles.text}
+      >
         PABLO
       </Animatable.Text>
       <Animatable.View
@@ -63,18 +72,10 @@ function MascotIntroWelcome() {
         animation="fadeInUp"
         duration={500}
         delay={200}
-        style={{
-          position: 'absolute',
-          bottom: 30,
-          right: '20%',
-          width: 50,
-          height: 50,
-        }}>
+        style={styles.container}
+      >
         <MaterialCommunityIcons
-          style={{
-            ...styles.center,
-            transform: [{rotateZ: '70deg'}],
-          }}
+          style={styles.icon}
           name="undo"
           color="#fff"
           size={40}

src/components/Lists/CardList/CardListItem.tsx

@@ -19,28 +19,35 @@
 
 import * as React from 'react';
 import { Caption, Card, Paragraph, TouchableRipple } from 'react-native-paper';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import type { ServiceItemType } from '../../../managers/ServicesManager';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type PropsType = {
   item: ServiceItemType;
 };
 
+const styles = StyleSheet.create({
+  card: {
+    width: '40%',
+    margin: 5,
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+  cover: {
+    height: 80,
+  },
+});
+
 function CardListItem(props: PropsType) {
   const { item } = props;
   const source =
     typeof item.image === 'number' ? item.image : { uri: item.image };
   return (
-    <Card
-      style={{
-        width: '40%',
-        margin: 5,
-        marginLeft: 'auto',
-        marginRight: 'auto',
-      }}>
-      <TouchableRipple style={{flex: 1}} onPress={item.onPress}>
+    <Card style={styles.card}>
+      <TouchableRipple style={GENERAL_STYLES.flex} onPress={item.onPress}>
         <View>
-          <Card.Cover style={{height: 80}} source={source} />
+          <Card.Cover style={styles.cover} source={source} />
           <Card.Content>
             <Paragraph>{item.title}</Paragraph>
             <Caption>{item.subtitle}</Caption>

src/components/Lists/CardList/ImageListItem.tsx

@@ -19,14 +19,26 @@
 
 import * as React from 'react';
 import { Text, TouchableRipple } from 'react-native-paper';
-import {Image, View} from 'react-native';
+import { Image, StyleSheet, View } from 'react-native';
 import type { ServiceItemType } from '../../../managers/ServicesManager';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type PropsType = {
   item: ServiceItemType;
   width: number;
 };
 
+const styles = StyleSheet.create({
+  ripple: {
+    margin: 5,
+  },
+  text: {
+    ...GENERAL_STYLES.centerHorizontal,
+    marginTop: 5,
+    textAlign: 'center',
+  },
+});
+
 function ImageListItem(props: PropsType) {
   const { item } = props;
   const source =
@@ -36,28 +48,20 @@ function ImageListItem(props: PropsType) {
       style={{
         width: props.width,
         height: props.width + 40,
-        margin: 5,
+        ...styles.ripple,
       }}
-      onPress={item.onPress}>
+      onPress={item.onPress}
+    >
       <View>
         <Image
           style={{
             width: props.width - 20,
             height: props.width - 20,
-            marginLeft: 'auto',
-            marginRight: 'auto',
+            ...GENERAL_STYLES.centerHorizontal,
           }}
           source={source}
         />
-        <Text
-          style={{
-            marginTop: 5,
-            marginLeft: 'auto',
-            marginRight: 'auto',
-            textAlign: 'center',
-          }}>
-          {item.title}
-        </Text>
+        <Text style={styles.text}>{item.title}</Text>
       </View>
     </TouchableRipple>
   );

src/components/Lists/Clubs/ClubListHeader.tsx

@@ -24,6 +24,7 @@ import i18n from 'i18n-js';
 import AnimatedAccordion from '../../Animations/AnimatedAccordion';
 import { isItemInCategoryFilter } from '../../../utils/Search';
 import type { ClubCategoryType } from '../../../screens/Amicale/Clubs/ClubListScreen';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type PropsType = {
   categories: Array<ClubCategoryType>;
@@ -39,8 +40,7 @@ const styles = StyleSheet.create({
     paddingLeft: 0,
     marginTop: 5,
     marginBottom: 10,
-    marginLeft: 'auto',
-    marginRight: 'auto',
+    ...GENERAL_STYLES.centerHorizontal,
   },
   chipContainer: {
     justifyContent: 'space-around',
@@ -49,6 +49,11 @@ const styles = StyleSheet.create({
     paddingLeft: 0,
     marginBottom: 5,
   },
+  chip: {
+    marginRight: 5,
+    marginLeft: 5,
+    marginBottom: 5,
+  },
 });
 
 function ClubListHeader(props: PropsType) {
@@ -62,8 +67,9 @@ function ClubListHeader(props: PropsType) {
         ])}
         mode="outlined"
         onPress={onPress}
-        style={{marginRight: 5, marginLeft: 5, marginBottom: 5}}
-        key={key}>
+        style={styles.chip}
+        key={key}
+      >
         {category.name}
       </Chip>
     );
@@ -88,7 +94,8 @@ function ClubListHeader(props: PropsType) {
             icon="star"
           />
         )}
-        opened>
+        opened
+      >
         <Text style={styles.text}>
           {i18n.t('screens.clubs.categoriesFilterMessage')}
         </Text>

src/components/Lists/Clubs/ClubListItem.tsx

@@ -19,11 +19,12 @@
 
 import * as React from 'react';
 import { Avatar, Chip, List, withTheme } from 'react-native-paper';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import type {
   ClubCategoryType,
   ClubType,
 } from '../../../screens/Amicale/Clubs/ClubListScreen';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type PropsType = {
   onPress: () => void;
@@ -33,6 +34,28 @@ type PropsType = {
   theme: ReactNativePaper.Theme;
 };
 
+const styles = StyleSheet.create({
+  chip: {
+    marginRight: 5,
+    marginBottom: 5,
+  },
+  chipContainer: {
+    flexDirection: 'row',
+  },
+  avatar: {
+    backgroundColor: 'transparent',
+    marginLeft: 10,
+    marginRight: 10,
+  },
+  icon: {
+    ...GENERAL_STYLES.centerVertical,
+    backgroundColor: 'transparent',
+  },
+  item: {
+    justifyContent: 'center',
+  },
+});
+
 class ClubListItem extends React.Component<PropsType> {
   hasManagers: boolean;
 
@@ -53,16 +76,14 @@ class ClubListItem extends React.Component<PropsType> {
         const category = props.categoryTranslator(cat);
         if (category) {
           final.push(
-            <Chip
-              style={{marginRight: 5, marginBottom: 5}}
-              key={`${props.item.id}:${category.id}`}>
+            <Chip style={styles.chip} key={`${props.item.id}:${category.id}`}>
               {category.name}
-            </Chip>,
+            </Chip>
           );
         }
       }
     });
-    return <View style={{flexDirection: 'row'}}>{final}</View>;
+    return <View style={styles.chipContainer}>{final}</View>;
   }
 
   render() {
@@ -77,22 +98,14 @@ class ClubListItem extends React.Component<PropsType> {
         onPress={props.onPress}
         left={() => (
           <Avatar.Image
-            style={{
-              backgroundColor: 'transparent',
-              marginLeft: 10,
-              marginRight: 10,
-            }}
+            style={styles.avatar}
             size={64}
             source={{ uri: props.item.logo }}
           />
         )}
         right={() => (
           <Avatar.Icon
-            style={{
-              marginTop: 'auto',
-              marginBottom: 'auto',
-              backgroundColor: 'transparent',
-            }}
+            style={styles.icon}
             size={48}
             icon={
               this.hasManagers ? 'check-circle-outline' : 'alert-circle-outline'
@@ -102,7 +115,7 @@ class ClubListItem extends React.Component<PropsType> {
         )}
         style={{
           height: props.height,
-          justifyContent: 'center',
+          ...styles.item,
         }}
       />
     );

src/components/Lists/DashboardEdit/DashboardEditAccordion.tsx

@@ -19,7 +19,7 @@
 
 import * as React from 'react';
 import { useTheme } from 'react-native-paper';
-import {FlatList, Image, View} from 'react-native';
+import { FlatList, Image, StyleSheet, View } from 'react-native';
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons';
 import DashboardEditItem from './DashboardEditItem';
 import AnimatedAccordion from '../../Animations/AnimatedAccordion';
@@ -34,6 +34,13 @@ type PropsType = {
   onPress: (service: ServiceItemType) => void;
 };
 
+const styles = StyleSheet.create({
+  image: {
+    width: 40,
+    height: 40,
+  },
+});
+
 const LIST_ITEM_HEIGHT = 64;
 
 function DashboardEditAccordion(props: PropsType) {
@@ -54,7 +61,7 @@ function DashboardEditAccordion(props: PropsType) {
 
   const getItemLayout = (
     data: Array<ServiceItemType> | null | undefined,
-    index: number,
+    index: number
   ): { length: number; offset: number; index: number } => ({
     length: LIST_ITEM_HEIGHT,
     offset: LIST_ITEM_HEIGHT * index,
@@ -68,13 +75,7 @@ function DashboardEditAccordion(props: PropsType) {
         title={item.title}
         left={() =>
           typeof item.image === 'number' ? (
-            <Image
-              source={item.image}
-              style={{
-                width: 40,
-                height: 40,
-              }}
-            />
+            <Image source={item.image} style={styles.image} />
           ) : (
             <MaterialCommunityIcons
               name={item.image}
@@ -82,7 +83,8 @@ function DashboardEditAccordion(props: PropsType) {
               size={40}
             />
           )
-        }>
+        }
+      >
         <FlatList
           data={item.content}
           extraData={props.activeDashboard.toString()}

src/components/Lists/DashboardEdit/DashboardEditItem.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {Image} from 'react-native';
+import { Image, StyleSheet } from 'react-native';
 import { List, useTheme } from 'react-native-paper';
 import type { ServiceItemType } from '../../../managers/ServicesManager';
 
@@ -29,9 +29,23 @@ type PropsType = {
   onPress: () => void;
 };
 
+const styles = StyleSheet.create({
+  image: {
+    width: 40,
+    height: 40,
+  },
+  item: {
+    justifyContent: 'center',
+    paddingLeft: 30,
+  },
+});
+
 function DashboardEditItem(props: PropsType) {
   const theme = useTheme();
   const { item, onPress, height, isActive } = props;
+  const backgroundColor = isActive
+    ? theme.colors.proxiwashFinishedColor
+    : 'transparent';
   return (
     <List.Item
       title={item.title}
@@ -42,10 +56,7 @@ function DashboardEditItem(props: PropsType) {
           source={
             typeof item.image === 'string' ? { uri: item.image } : item.image
           }
-          style={{
-            width: 40,
-            height: 40,
-          }}
+          style={styles.image}
         />
       )}
       right={(iconProps) =>
@@ -58,12 +69,9 @@ function DashboardEditItem(props: PropsType) {
         ) : null
       }
       style={{
-        height,
-        justifyContent: 'center',
-        paddingLeft: 30,
-        backgroundColor: isActive
-          ? theme.colors.proxiwashFinishedColor
-          : 'transparent',
+        ...styles.image,
+        height: height,
+        backgroundColor: backgroundColor,
       }}
     />
   );

src/components/Lists/DashboardEdit/DashboardEditPreviewItem.tsx

@@ -19,7 +19,7 @@
 
 import * as React from 'react';
 import { TouchableRipple, useTheme } from 'react-native-paper';
-import {Dimensions, Image, View} from 'react-native';
+import { Dimensions, Image, StyleSheet, View } from 'react-native';
 
 type PropsType = {
   image?: string | number;
@@ -27,39 +27,50 @@ type PropsType = {
   onPress: () => void;
 };
 
+const styles = StyleSheet.create({
+  ripple: {
+    marginLeft: 5,
+    marginRight: 5,
+    borderRadius: 5,
+  },
+  image: {
+    width: '100%',
+    height: '100%',
+  },
+});
+
 /**
  * Component used to render a small dashboard item
  */
 function DashboardEditPreviewItem(props: PropsType) {
   const theme = useTheme();
   const itemSize = Dimensions.get('window').width / 8;
-
+  const backgroundColor = props.isActive
+    ? theme.colors.textDisabled
+    : 'transparent';
   return (
     <TouchableRipple
       onPress={props.onPress}
       borderless
       style={{
-        marginLeft: 5,
-        marginRight: 5,
-        backgroundColor: props.isActive
-          ? theme.colors.textDisabled
-          : 'transparent',
-        borderRadius: 5,
-      }}>
+        ...styles.ripple,
+        backgroundColor: backgroundColor,
+      }}
+    >
       <View
         style={{
           width: itemSize,
           height: itemSize,
-        }}>
+        }}
+      >
         {props.image ? (
           <Image
             source={
-              typeof props.image === 'string' ? {uri: props.image} : props.image
+              typeof props.image === 'string'
+                ? { uri: props.image }
+                : props.image
             }
-            style={{
-              width: '100%',
-              height: '100%',
-            }}
+            style={styles.image}
           />
         ) : null}
       </View>

src/components/Lists/Equipment/EquipmentListItem.tsx

@@ -27,6 +27,8 @@ import {
   getRelativeDateString,
   isEquipmentAvailable,
 } from '../../../utils/EquipmentBooking';
+import { StyleSheet } from 'react-native';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type PropsType = {
   navigation: StackNavigationProp<any>;
@@ -35,6 +37,15 @@ type PropsType = {
   height: number;
 };
 
+const styles = StyleSheet.create({
+  icon: {
+    backgroundColor: 'transparent',
+  },
+  item: {
+    justifyContent: 'center',
+  },
+});
+
 function EquipmentListItem(props: PropsType) {
   const theme = useTheme();
   const { item, userDeviceRentDates, navigation, height } = props;
@@ -101,21 +112,12 @@ function EquipmentListItem(props: PropsType) {
       title={item.name}
       description={description}
       onPress={onPress}
-      left={() => (
-        <Avatar.Icon
-          style={{
-            backgroundColor: 'transparent',
-          }}
-          icon={icon}
-          color={color}
-        />
-      )}
+      left={() => <Avatar.Icon style={styles.icon} icon={icon} color={color} />}
       right={() => (
         <Avatar.Icon
           style={{
-            marginTop: 'auto',
-            marginBottom: 'auto',
-            backgroundColor: 'transparent',
+            ...GENERAL_STYLES.centerVertical,
+            ...styles.icon,
           }}
           size={48}
           icon="chevron-right"
@@ -123,7 +125,7 @@ function EquipmentListItem(props: PropsType) {
       )}
       style={{
         height,
-        justifyContent: 'center',
+        ...styles.item,
       }}
     />
   );

src/components/Lists/PlanexGroups/GroupListAccordion.tsx

@@ -19,7 +19,7 @@
 
 import * as React from 'react';
 import { List, withTheme } from 'react-native-paper';
-import {FlatList, View} from 'react-native';
+import { FlatList, StyleSheet, View } from 'react-native';
 import { stringMatchQuery } from '../../../utils/Search';
 import GroupListItem from './GroupListItem';
 import AnimatedAccordion from '../../Animations/AnimatedAccordion';
@@ -40,6 +40,12 @@ type PropsType = {
 const LIST_ITEM_HEIGHT = 64;
 const REPLACE_REGEX = /_/g;
 
+const styles = StyleSheet.create({
+  container: {
+    justifyContent: 'center',
+  },
+});
+
 class GroupListAccordion extends React.Component<PropsType> {
   shouldComponentUpdate(nextProps: PropsType): boolean {
     const { props } = this;
@@ -83,7 +89,7 @@ class GroupListAccordion extends React.Component<PropsType> {
 
   itemLayout = (
     data: Array<PlanexGroupType> | null | undefined,
-    index: number,
+    index: number
   ): { length: number; offset: number; index: number } => ({
     length: LIST_ITEM_HEIGHT,
     offset: LIST_ITEM_HEIGHT * index,
@@ -99,9 +105,7 @@ class GroupListAccordion extends React.Component<PropsType> {
       <View>
         <AnimatedAccordion
           title={item.name.replace(REPLACE_REGEX, ' ')}
-          style={{
-            justifyContent: 'center',
-          }}
+          style={styles.container}
           left={(iconProps) =>
             item.id === 0 ? (
               <List.Icon
@@ -112,7 +116,8 @@ class GroupListAccordion extends React.Component<PropsType> {
             ) : null
           }
           unmountWhenCollapsed={item.id !== 0} // Only render list if expanded for increased performance
-          opened={props.currentSearchString.length > 0}>
+          opened={props.currentSearchString.length > 0}
+        >
           <FlatList
             data={this.getData()}
             extraData={props.currentSearchString + props.favorites.length}

src/components/Lists/PlanexGroups/GroupListItem.tsx

@@ -22,7 +22,7 @@ import {List, TouchableRipple, withTheme} from 'react-native-paper';
 import * as Animatable from 'react-native-animatable';
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons';
 import type { PlanexGroupType } from '../../../screens/Planex/GroupSelectionScreen';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import { getPrettierPlanexGroupName } from '../../../utils/Utils';
 
 type PropsType = {
@@ -34,6 +34,21 @@ type PropsType = {
   height: number;
 };
 
+const styles = StyleSheet.create({
+  item: {
+    justifyContent: 'center',
+  },
+  icon: {
+    padding: 10,
+  },
+  iconContainer: {
+    marginRight: 10,
+    marginLeft: 'auto',
+    marginTop: 'auto',
+    marginBottom: 'auto',
+  },
+});
+
 class GroupListItem extends React.Component<PropsType> {
   isFav: boolean;
 
@@ -98,15 +113,11 @@ class GroupListItem extends React.Component<PropsType> {
           <Animatable.View ref={this.starRef} useNativeDriver>
             <TouchableRipple
               onPress={this.onStarPress}
-              style={{
-                marginRight: 10,
-                marginLeft: 'auto',
-                marginTop: 'auto',
-                marginBottom: 'auto',
-              }}>
+              style={styles.iconContainer}
+            >
               <MaterialCommunityIcons
                 size={30}
-                style={{padding: 10}}
+                style={styles.icon}
                 name="star"
                 color={this.isFav ? colors.tetrisScore : iconProps.color}
               />
@@ -115,7 +126,7 @@ class GroupListItem extends React.Component<PropsType> {
         )}
         style={{
           height: props.height,
-          justifyContent: 'center',
+          ...styles.item,
         }}
       />
     );

src/components/Lists/Proximo/ProximoListItem.tsx

@@ -21,6 +21,7 @@ import * as React from 'react';
 import { Avatar, List, Text } from 'react-native-paper';
 import i18n from 'i18n-js';
 import type { ProximoArticleType } from '../../../screens/Services/Proximo/ProximoMainScreen';
+import { StyleSheet } from 'react-native';
 
 type PropsType = {
   onPress: () => void;
@@ -29,28 +30,38 @@ type PropsType = {
   height: number;
 };
 
+const styles = StyleSheet.create({
+  avatar: {
+    backgroundColor: 'transparent',
+  },
+  text: {
+    fontWeight: 'bold',
+  },
+  item: {
+    justifyContent: 'center',
+  },
+});
+
 function ProximoListItem(props: PropsType) {
   return (
     <List.Item
       title={props.item.name}
       description={`${props.item.quantity} ${i18n.t(
-        'screens.proximo.inStock',
+        'screens.proximo.inStock'
       )}`}
       descriptionStyle={{ color: props.color }}
       onPress={props.onPress}
       left={() => (
         <Avatar.Image
-          style={{backgroundColor: 'transparent'}}
+          style={styles.avatar}
           size={64}
           source={{ uri: props.item.image }}
         />
       )}
-      right={() => (
-        <Text style={{fontWeight: 'bold'}}>{props.item.price}€</Text>
-      )}
+      right={() => <Text style={styles.text}>{props.item.price}€</Text>}
       style={{
         height: props.height,
-        justifyContent: 'center',
+        ...styles.item,
       }}
     />
   );

src/components/Lists/Proxiwash/ProxiwashListItem.tsx

@@ -42,7 +42,7 @@ type PropsType = {
   onPress: (
     title: string,
     item: ProxiwashMachineType,
-    isDryer: boolean,
+    isDryer: boolean
   ) => void;
   isWatched: boolean;
   isDryer: boolean;
@@ -56,6 +56,7 @@ const styles = StyleSheet.create({
     margin: 5,
     justifyContent: 'center',
     elevation: 1,
+    borderRadius: 4,
   },
   icon: {
     backgroundColor: 'transparent',
@@ -65,6 +66,18 @@ const styles = StyleSheet.create({
     left: 0,
     borderRadius: 4,
   },
+  item: {
+    justifyContent: 'center',
+  },
+  text: {
+    fontWeight: 'bold',
+  },
+  textRow: {
+    flexDirection: 'row',
+  },
+  textContainer: {
+    justifyContent: 'center',
+  },
 });
 
 /**
@@ -75,7 +88,7 @@ class ProxiwashListItem extends React.Component<PropsType> {
     [MachineStates.AVAILABLE]: i18n.t('screens.proxiwash.states.ready'),
     [MachineStates.RUNNING]: i18n.t('screens.proxiwash.states.running'),
     [MachineStates.RUNNING_NOT_STARTED]: i18n.t(
-      'screens.proxiwash.states.runningNotStarted',
+      'screens.proxiwash.states.runningNotStarted'
     ),
     [MachineStates.FINISHED]: i18n.t('screens.proxiwash.states.finished'),
     [MachineStates.UNAVAILABLE]: i18n.t('screens.proxiwash.states.broken'),
@@ -97,7 +110,7 @@ class ProxiwashListItem extends React.Component<PropsType> {
     const displayMaxWeight = props.item.maxWeight;
     if (AprilFoolsManager.getInstance().isAprilFoolsEnabled()) {
       displayNumber = AprilFoolsManager.getProxiwashMachineDisplayNumber(
-        parseInt(props.item.number, 10),
+        parseInt(props.item.number, 10)
       );
     }
 
@@ -184,8 +197,8 @@ class ProxiwashListItem extends React.Component<PropsType> {
         style={{
           ...styles.container,
           height: props.height,
-          borderRadius: 4,
-        }}>
+        }}
+      >
         {!isReady ? (
           <ProgressBar
             style={{
@@ -201,26 +214,27 @@ class ProxiwashListItem extends React.Component<PropsType> {
           description={description}
           style={{
             height: props.height,
-            justifyContent: 'center',
+            ...styles.item,
           }}
           onPress={this.onListItemPress}
           left={() => icon}
           right={() => (
-            <View style={{flexDirection: 'row'}}>
-              <View style={{justifyContent: 'center'}}>
+            <View style={styles.textRow}>
+              <View style={styles.textContainer}>
                 <Text
                   style={
                     machineState === MachineStates.FINISHED
-                      ? {fontWeight: 'bold'}
-                      : {}
-                  }>
+                      ? styles.text
+                      : undefined
+                  }
+                >
                   {stateString}
                 </Text>
                 {machineState === MachineStates.RUNNING ? (
                   <Caption>{props.item.remainingTime} min</Caption>
                 ) : null}
               </View>
-              <View style={{justifyContent: 'center'}}>
+              <View style={styles.textContainer}>
                 <Avatar.Icon
                   icon={stateIcon}
                   color={colors.text}

src/components/Lists/Proxiwash/ProxiwashSectionHeader.tsx

@@ -44,6 +44,9 @@ const styles = StyleSheet.create({
     fontSize: 20,
     fontWeight: 'bold',
   },
+  textContainer: {
+    justifyContent: 'center',
+  },
 });
 
 /**
@@ -76,7 +79,7 @@ class ProxiwashListItem extends React.Component<PropsType> {
           color={iconColor}
           style={styles.icon}
         />
-        <View style={{justifyContent: 'center'}}>
+        <View style={styles.textContainer}>
           <Text style={styles.text}>{props.title}</Text>
           <Text style={{ color: props.theme.colors.subtitle }}>{subtitle}</Text>
         </View>

src/components/Mascot/Mascot.tsx

@@ -19,7 +19,13 @@
 
 import * as React from 'react';
 import * as Animatable from 'react-native-animatable';
-import {Image, TouchableWithoutFeedback, View, ViewStyle} from 'react-native';
+import {
+  Image,
+  StyleSheet,
+  TouchableWithoutFeedback,
+  View,
+  ViewStyle,
+} from 'react-native';
 import { AnimatableProperties } from 'react-native-animatable';
 
 export type AnimatableViewRefType = {
@@ -77,6 +83,34 @@ export enum MASCOT_STYLE {
   RANDOM = 999,
 }
 
+const styles = StyleSheet.create({
+  container: {
+    aspectRatio: 1,
+  },
+  mascot: {
+    width: '100%',
+    height: '100%',
+  },
+  glassesImage: {
+    position: 'absolute',
+    top: '15%',
+    left: 0,
+    width: '100%',
+    height: '100%',
+  },
+  eyesImage: {
+    position: 'absolute',
+    top: '15%',
+    width: '100%',
+    height: '100%',
+  },
+  eyesContainer: {
+    position: 'absolute',
+    width: '100%',
+    height: '100%',
+  },
+});
+
 class Mascot extends React.Component<PropsType, StateType> {
   static defaultProps = {
     emotion: MASCOT_STYLE.NORMAL,
@@ -174,29 +208,21 @@ class Mascot extends React.Component<PropsType, StateType> {
         source={
           glasses != null ? glasses : this.glassesList[GLASSES_STYLE.NORMAL]
         }
-        style={{
-          position: 'absolute',
-          top: '15%',
-          left: 0,
-          width: '100%',
-          height: '100%',
-        }}
+        style={styles.glassesImage}
       />
     );
   }
 
   getEye(style: EYE_STYLE, isRight: boolean, rotation: string = '0deg') {
     const eye = this.eyeList[style];
+    const left = isRight ? '-11%' : '11%';
     return (
       <Image
         key={isRight ? 'right' : 'left'}
         source={eye != null ? eye : this.eyeList[EYE_STYLE.NORMAL]}
         style={{
-          position: 'absolute',
-          top: '15%',
-          left: isRight ? '-11%' : '11%',
-          width: '100%',
-          height: '100%',
+          ...styles.eyesImage,
+          left: left,
           transform: [{ rotateY: rotation }],
         }}
       />
@@ -205,16 +231,7 @@ class Mascot extends React.Component<PropsType, StateType> {
 
   getEyes(emotion: MASCOT_STYLE) {
     const final = [];
-    final.push(
-      <View
-        key="container"
-        style={{
-          position: 'absolute',
-          width: '100%',
-          height: '100%',
-        }}
-      />,
-    );
+    final.push(<View key="container" style={styles.eyesContainer} />);
     if (emotion === MASCOT_STYLE.CUTE) {
       final.push(this.getEye(EYE_STYLE.CUTE, true));
       final.push(this.getEye(EYE_STYLE.CUTE, false));
@@ -255,26 +272,22 @@ class Mascot extends React.Component<PropsType, StateType> {
     return (
       <Animatable.View
         style={{
-          aspectRatio: 1,
+          ...styles.container,
           ...props.style,
         }}
-        {...entryAnimation}>
+        {...entryAnimation}
+      >
         <TouchableWithoutFeedback
           onPress={() => {
             this.onPress(this.viewRef);
           }}
           onLongPress={() => {
             this.onLongPress(this.viewRef);
-          }}>
+          }}
+        >
           <Animatable.View ref={this.viewRef}>
             <Animatable.View {...loopAnimation}>
-              <Image
-                source={MASCOT_IMAGE}
-                style={{
-                  width: '100%',
-                  height: '100%',
-                }}
-              />
+              <Image source={MASCOT_IMAGE} style={styles.mascot} />
               {this.getEyes(state.currentEmotion)}
             </Animatable.View>
           </Animatable.View>

src/components/Mascot/MascotPopup.tsx

@@ -31,12 +31,14 @@ import {
   BackHandler,
   Dimensions,
   ScrollView,
+  StyleSheet,
   TouchableWithoutFeedback,
   View,
 } from 'react-native';
 import Mascot from './Mascot';
 import SpeechArrow from './SpeechArrow';
 import AsyncStorageManager from '../../managers/AsyncStorageManager';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type PropsType = {
   theme: ReactNativePaper.Theme;
@@ -67,6 +69,41 @@ type StateType = {
   dialogVisible: boolean;
 };
 
+const styles = StyleSheet.create({
+  speechBubbleContainer: {
+    marginLeft: '10%',
+    marginRight: '10%',
+  },
+  speechBubbleCard: {
+    borderWidth: 4,
+    borderRadius: 10,
+  },
+  speechBubbleIcon: {
+    backgroundColor: 'transparent',
+  },
+  speechBubbleText: {
+    marginBottom: 10,
+  },
+  actionsContainer: {
+    marginTop: 10,
+    marginBottom: 10,
+  },
+  button: {
+    ...GENERAL_STYLES.centerHorizontal,
+    marginBottom: 10,
+  },
+  background: {
+    position: 'absolute',
+    backgroundColor: 'rgba(0,0,0,0.7)',
+    width: '100%',
+    height: '100%',
+  },
+  container: {
+    marginTop: -80,
+    width: '100%',
+  },
+});
+
 /**
  * Component used to display a popup with the mascot.
  */
@@ -107,11 +144,12 @@ class MascotPopup extends React.Component<PropsType, StateType> {
   componentDidMount() {
     BackHandler.addEventListener(
       'hardwareBackPress',
-      this.onBackButtonPressAndroid,
+      this.onBackButtonPressAndroid
     );
   }
 
   shouldComponentUpdate(nextProps: PropsType, nextState: StateType): boolean {
+    // TODO this is so dirty it shouldn't even work
     const { props, state } = this;
     if (nextProps.visible) {
       this.state.shouldRenderDialog = true;
@@ -155,13 +193,11 @@ class MascotPopup extends React.Component<PropsType, StateType> {
     const { state, props } = this;
     return (
       <Animatable.View
-        style={{
-          marginLeft: '10%',
-          marginRight: '10%',
-        }}
+        style={styles.speechBubbleContainer}
         useNativeDriver
         animation={state.dialogVisible ? 'bounceInLeft' : 'bounceOutLeft'}
-        duration={state.dialogVisible ? 1000 : 300}>
+        duration={state.dialogVisible ? 1000 : 300}
+      >
         <SpeechArrow
           style={{ marginLeft: this.mascotSize / 3 }}
           size={20}
@@ -170,9 +206,9 @@ class MascotPopup extends React.Component<PropsType, StateType> {
         <Card
           style={{
             borderColor: props.theme.colors.mascotMessageArrow,
-            borderWidth: 4,
-            borderRadius: 10,
-          }}>
+            ...styles.speechBubbleCard,
+          }}
+        >
           <Card.Title
             title={props.title}
             left={
@@ -180,7 +216,7 @@ class MascotPopup extends React.Component<PropsType, StateType> {
                 ? () => (
                     <Avatar.Icon
                       size={48}
-                      style={{backgroundColor: 'transparent'}}
+                      style={styles.speechBubbleIcon}
                       color={props.theme.colors.primary}
                       icon={props.icon}
                     />
@@ -191,13 +227,16 @@ class MascotPopup extends React.Component<PropsType, StateType> {
           <Card.Content
             style={{
               maxHeight: this.windowHeight / 3,
-            }}>
+            }}
+          >
             <ScrollView>
-              <Paragraph style={{marginBottom: 10}}>{props.message}</Paragraph>
+              <Paragraph style={styles.speechBubbleText}>
+                {props.message}
+              </Paragraph>
             </ScrollView>
           </Card.Content>
 
-          <Card.Actions style={{marginTop: 10, marginBottom: 10}}>
+          <Card.Actions style={styles.actionsContainer}>
             {this.getButtons()}
           </Card.Actions>
         </Card>
@@ -211,7 +250,8 @@ class MascotPopup extends React.Component<PropsType, StateType> {
       <Animatable.View
         useNativeDriver
         animation={state.dialogVisible ? 'bounceInLeft' : 'bounceOutLeft'}
-        duration={state.dialogVisible ? 1500 : 200}>
+        duration={state.dialogVisible ? 1500 : 200}
+      >
         <Mascot
           style={{ width: this.mascotSize }}
           animated
@@ -226,41 +266,30 @@ class MascotPopup extends React.Component<PropsType, StateType> {
     const { action } = props.buttons;
     const { cancel } = props.buttons;
     return (
-      <View
-        style={{
-          marginLeft: 'auto',
-          marginRight: 'auto',
-          marginTop: 'auto',
-          marginBottom: 'auto',
-        }}>
+      <View style={GENERAL_STYLES.center}>
         {action != null ? (
           <Button
-            style={{
-              marginLeft: 'auto',
-              marginRight: 'auto',
-              marginBottom: 10,
-            }}
+            style={styles.button}
             mode="contained"
             icon={action.icon}
             color={action.color}
             onPress={() => {
               this.onDismiss(action.onPress);
-            }}>
+            }}
+          >
             {action.message}
           </Button>
         ) : null}
         {cancel != null ? (
           <Button
-            style={{
-              marginLeft: 'auto',
-              marginRight: 'auto',
-            }}
+            style={styles.button}
             mode="contained"
             icon={cancel.icon}
             color={cancel.color}
             onPress={() => {
               this.onDismiss(cancel.onPress);
-            }}>
+            }}
+          >
             {cancel.message}
           </Button>
         ) : null}
@@ -274,14 +303,10 @@ class MascotPopup extends React.Component<PropsType, StateType> {
       <TouchableWithoutFeedback
         onPress={() => {
           this.onDismiss(props.buttons.cancel?.onPress);
-        }}>
-        <Animatable.View
-          style={{
-            position: 'absolute',
-            backgroundColor: 'rgba(0,0,0,0.7)',
-            width: '100%',
-            height: '100%',
         }}
+      >
+        <Animatable.View
+          style={styles.background}
           useNativeDriver
           animation={state.dialogVisible ? 'fadeIn' : 'fadeOut'}
           duration={state.dialogVisible ? 300 : 300}
@@ -307,16 +332,8 @@ class MascotPopup extends React.Component<PropsType, StateType> {
       return (
         <Portal>
           {this.getBackground()}
-          <View
-            style={{
-              marginTop: 'auto',
-              marginBottom: 'auto',
-            }}>
-            <View
-              style={{
-                marginTop: -80,
-                width: '100%',
-              }}>
+          <View style={GENERAL_STYLES.centerVertical}>
+            <View style={styles.container}>
               {this.getMascot()}
               {this.getSpeechBubble()}
             </View>

src/components/Mascot/SpeechArrow.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {View, ViewStyle} from 'react-native';
+import { StyleSheet, View, ViewStyle } from 'react-native';
 
 type PropsType = {
   style?: ViewStyle;
@@ -26,20 +26,26 @@ type PropsType = {
   color: string;
 };
 
+const styles = StyleSheet.create({
+  arrow: {
+    width: 0,
+    height: 0,
+    borderLeftWidth: 0,
+    borderStyle: 'solid',
+    backgroundColor: 'transparent',
+    borderLeftColor: 'transparent',
+    borderRightColor: 'transparent',
+  },
+});
+
 export default function SpeechArrow(props: PropsType) {
   return (
     <View style={props.style}>
       <View
         style={{
-          width: 0,
-          height: 0,
-          borderLeftWidth: 0,
+          ...styles.arrow,
           borderRightWidth: props.size,
           borderBottomWidth: props.size,
-          borderStyle: 'solid',
-          backgroundColor: 'transparent',
-          borderLeftColor: 'transparent',
-          borderRightColor: 'transparent',
           borderBottomColor: props.color,
         }}
       />

src/components/Media/ImageGalleryButton.tsx

@@ -21,13 +21,20 @@ import * as React from 'react';
 import { TouchableRipple } from 'react-native-paper';
 import { Image } from 'react-native-animatable';
 import { useNavigation } from '@react-navigation/native';
-import {ViewStyle} from 'react-native';
+import { StyleSheet, ViewStyle } from 'react-native';
 
 type PropsType = {
   images: Array<{ url: string }>;
   style: ViewStyle;
 };
 
+const styles = StyleSheet.create({
+  image: {
+    width: '100%',
+    height: '100%',
+  },
+});
+
 function ImageGalleryButton(props: PropsType) {
   const navigation = useNavigation();
 
@@ -40,10 +47,7 @@ function ImageGalleryButton(props: PropsType) {
       <Image
         resizeMode="contain"
         source={{ uri: props.images[0].url }}
-        style={{
-          width: '100%',
-          height: '100%',
-        }}
+        style={styles.image}
       />
     </TouchableRipple>
   );

src/components/Overrides/CustomAgenda.tsx

@@ -21,6 +21,7 @@ import * as React from 'react';
 import { View } from 'react-native';
 import { useTheme } from 'react-native-paper';
 import { Agenda, AgendaProps } from 'react-native-calendars';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type PropsType = {
   onRef: (ref: Agenda<any>) => void;
@@ -67,7 +68,7 @@ function CustomAgenda(props: PropsType) {
 
   // Completely recreate the component on theme change to force theme reload
   if (theme.dark) {
-    return <View style={{flex: 1}}>{getAgenda()}</View>;
+    return <View style={GENERAL_STYLES.flex}>{getAgenda()}</View>;
   }
   return getAgenda();
 }

src/components/Overrides/CustomHTML.tsx

@@ -38,7 +38,7 @@ function CustomHTML(props: PropsType) {
     htmlAttribs: any,
     children: any,
     convertedCSSStyles: any,
-    passProps: any,
+    passProps: any
   ) => {
     return <Text {...passProps}>{children}</Text>;
   };

src/components/Overrides/CustomHeaderButton.tsx

@@ -40,7 +40,7 @@ const MaterialHeaderButton = (props: HeaderButtonProps) => {
 };
 
 const MaterialHeaderButtons = (
-  props: HeaderButtonsProps & {children?: React.ReactNode},
+  props: HeaderButtonsProps & { children?: React.ReactNode }
 ) => {
   return (
     <HeaderButtons {...props} HeaderButtonComponent={MaterialHeaderButton} />

src/components/Overrides/CustomIntroSlider.tsx

@@ -37,6 +37,7 @@ import Mascot, {MASCOT_STYLE} from '../Mascot/Mascot';
 import MascotIntroWelcome from '../Intro/MascotIntroWelcome';
 import IntroIcon from '../Intro/IconIntro';
 import MascotIntroEnd from '../Intro/MascotIntroEnd';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type PropsType = {
   onDone: () => void;
@@ -75,11 +76,42 @@ const styles = StyleSheet.create({
     textAlign: 'center',
     marginBottom: 16,
   },
-  center: {
-    marginTop: 'auto',
-    marginBottom: 'auto',
-    marginRight: 'auto',
-    marginLeft: 'auto',
+  mascot: {
+    marginLeft: 30,
+    marginBottom: 0,
+    width: 100,
+    marginTop: -30,
+  },
+  speechArrow: {
+    marginLeft: 50,
+    width: 0,
+    height: 0,
+    borderLeftWidth: 20,
+    borderRightWidth: 0,
+    borderBottomWidth: 20,
+    borderStyle: 'solid',
+    backgroundColor: 'transparent',
+    borderLeftColor: 'transparent',
+    borderRightColor: 'transparent',
+    borderBottomColor: 'rgba(0,0,0,0.60)',
+  },
+  card: {
+    backgroundColor: 'rgba(0,0,0,0.38)',
+    marginHorizontal: 20,
+    borderColor: 'rgba(0,0,0,0.60)',
+    borderWidth: 4,
+    borderRadius: 10,
+    elevation: 0,
+  },
+  nextButtonContainer: {
+    borderRadius: 25,
+    padding: 5,
+    backgroundColor: 'rgba(0,0,0,0.2)',
+  },
+  doneButtonContainer: {
+    borderRadius: 25,
+    padding: 5,
+    backgroundColor: 'rgb(190,21,34)',
   },
 });
 
@@ -175,7 +207,7 @@ export default class CustomIntroSlider extends React.Component<
       | (ListRenderItemInfo<IntroSlideType> & {
           dimensions: { width: number; height: number };
         })
-      | ListRenderItemInfo<IntroSlideType>,
+      | ListRenderItemInfo<IntroSlideType>
   ) => {
     const item = data.item;
     const { state } = this;
@@ -185,19 +217,15 @@ export default class CustomIntroSlider extends React.Component<
         style={[styles.mainContent]}
         colors={item.colors}
         start={{ x: 0, y: 0.1 }}
-        end={{x: 0.1, y: 1}}>
+        end={{ x: 0.1, y: 1 }}
+      >
         {state.currentSlide === index ? (
-          <View style={{height: '100%', flex: 1}}>
-            <View style={{flex: 1}}>{item.view()}</View>
+          <View style={GENERAL_STYLES.flex}>
+            <View style={GENERAL_STYLES.flex}>{item.view()}</View>
             <Animatable.View useNativeDriver animation="fadeIn">
               {item.mascotStyle != null ? (
                 <Mascot
-                  style={{
-                    marginLeft: 30,
-                    marginBottom: 0,
-                    width: 100,
-                    marginTop: -30,
-                  }}
+                  style={styles.mascot}
                   emotion={item.mascotStyle}
                   animated
                   entryAnimation={{
@@ -211,43 +239,23 @@ export default class CustomIntroSlider extends React.Component<
                   }}
                 />
               ) : null}
-              <View
-                style={{
-                  marginLeft: 50,
-                  width: 0,
-                  height: 0,
-                  borderLeftWidth: 20,
-                  borderRightWidth: 0,
-                  borderBottomWidth: 20,
-                  borderStyle: 'solid',
-                  backgroundColor: 'transparent',
-                  borderLeftColor: 'transparent',
-                  borderRightColor: 'transparent',
-                  borderBottomColor: 'rgba(0,0,0,0.60)',
-                }}
-              />
-              <Card
-                style={{
-                  backgroundColor: 'rgba(0,0,0,0.38)',
-                  marginHorizontal: 20,
-                  borderColor: 'rgba(0,0,0,0.60)',
-                  borderWidth: 4,
-                  borderRadius: 10,
-                  elevation: 0,
-                }}>
+              <View style={styles.speechArrow} />
+              <Card style={styles.card}>
                 <Card.Content>
                   <Animatable.Text
                     useNativeDriver
                     animation="fadeIn"
                     delay={100}
-                    style={styles.title}>
+                    style={styles.title}
+                  >
                     {item.title}
                   </Animatable.Text>
                   <Animatable.Text
                     useNativeDriver
                     animation="fadeIn"
                     delay={200}
-                    style={styles.text}>
+                    style={styles.text}
+                  >
                     {item.text}
                   </Animatable.Text>
                 </Card.Content>
@@ -272,7 +280,7 @@ export default class CustomIntroSlider extends React.Component<
 
   onSkip = () => {
     CustomIntroSlider.setStatusBarColor(
-      this.currentSlides[this.currentSlides.length - 1].colors[0],
+      this.currentSlides[this.currentSlides.length - 1].colors[0]
     );
     if (this.sliderRef.current != null) {
       this.sliderRef.current.goToSlide(this.currentSlides.length - 1);
@@ -282,7 +290,7 @@ export default class CustomIntroSlider extends React.Component<
   onDone = () => {
     const { props } = this;
     CustomIntroSlider.setStatusBarColor(
-      ThemeManager.getCurrentTheme().colors.surface,
+      ThemeManager.getCurrentTheme().colors.surface
     );
     props.onDone();
   };
@@ -292,11 +300,8 @@ export default class CustomIntroSlider extends React.Component<
       <Animatable.View
         useNativeDriver
         animation="fadeIn"
-        style={{
-          borderRadius: 25,
-          padding: 5,
-          backgroundColor: 'rgba(0,0,0,0.2)',
-        }}>
+        style={styles.nextButtonContainer}
+      >
         <MaterialCommunityIcons name="arrow-right" color="#fff" size={40} />
       </Animatable.View>
     );
@@ -307,11 +312,8 @@ export default class CustomIntroSlider extends React.Component<
       <Animatable.View
         useNativeDriver
         animation="bounceIn"
-        style={{
-          borderRadius: 25,
-          padding: 5,
-          backgroundColor: 'rgb(190,21,34)',
-        }}>
+        style={styles.doneButtonContainer}
+      >
         <MaterialCommunityIcons name="check" color="#fff" size={40} />
       </Animatable.View>
     );

src/components/Overrides/CustomModal.tsx

@@ -41,11 +41,13 @@ function CustomModal(props: {
       adjustToContentHeight
       handlePosition="inside"
       modalStyle={{ backgroundColor: theme.colors.card }}
-      handleStyle={{backgroundColor: theme.colors.primary}}>
+      handleStyle={{ backgroundColor: theme.colors.primary }}
+    >
       <View
         style={{
           paddingBottom: CustomTabBar.TAB_BAR_HEIGHT,
-        }}>
+        }}
+      >
         {children}
       </View>
     </Modalize>

src/components/Overrides/CustomSlider.tsx

@@ -22,11 +22,24 @@ import {Text} from 'react-native-paper';
 import { View } from 'react-native-animatable';
 import Slider, { SliderProps } from '@react-native-community/slider';
 import { useState } from 'react';
+import { StyleSheet } from 'react-native';
 
 type PropsType = {
   valueSuffix?: string;
 } & SliderProps;
 
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    flexDirection: 'row',
+  },
+  text: {
+    marginHorizontal: 10,
+    marginTop: 'auto',
+    marginBottom: 'auto',
+  },
+});
+
 /**
  * Abstraction layer for Modalize component, using custom configuration
  *
@@ -44,15 +57,8 @@ function CustomSlider(props: PropsType) {
   };
 
   return (
-    <View style={{flex: 1, flexDirection: 'row'}}>
-      <Text
-        style={{
-          marginHorizontal: 10,
-          marginTop: 'auto',
-          marginBottom: 'auto',
-        }}>
-        {currentValue}min
-      </Text>
+    <View style={styles.container}>
+      <Text style={styles.text}>{currentValue}min</Text>
       <Slider {...props} ref={undefined} onValueChange={onValueChange} />
     </View>
   );

src/components/Screens/BasicLoadingScreen.tsx

@@ -17,16 +17,24 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import { ActivityIndicator, useTheme } from 'react-native-paper';
 
 type Props = {
   isAbsolute?: boolean;
 };
 
+const styles = StyleSheet.create({
+  container: {
+    top: 0,
+    right: 0,
+    width: '100%',
+    height: '100%',
+    justifyContent: 'center',
+  },
+});
+
 /**
  * Component used to display a header button
  *
@@ -36,17 +44,15 @@ type Props = {
 export default function BasicLoadingScreen(props: Props) {
   const theme = useTheme();
   const { isAbsolute } = props;
+  const position = isAbsolute ? 'absolute' : 'relative';
   return (
     <View
       style={{
         backgroundColor: theme.colors.background,
-        position: isAbsolute ? 'absolute' : 'relative',
-        top: 0,
-        right: 0,
-        width: '100%',
-        height: '100%',
-        justifyContent: 'center',
-      }}>
+        position: position,
+        ...styles.container,
+      }}
+    >
       <ActivityIndicator animating size="large" color={theme.colors.primary} />
     </View>
   );

src/components/Screens/ErrorView.tsx

@@ -90,7 +90,8 @@ class ErrorView extends React.PureComponent<PropsType> {
         mode="contained"
         icon="refresh"
         onPress={props.onRefresh}
-        style={styles.button}>
+        style={styles.button}
+      >
         {i18n.t('general.retry')}
       </Button>
     );
@@ -102,7 +103,8 @@ class ErrorView extends React.PureComponent<PropsType> {
         mode="contained"
         icon="login"
         onPress={this.goToLogin}
-        style={styles.button}>
+        style={styles.button}
+      >
         {i18n.t('screens.login.title')}
       </Button>
     );
@@ -190,7 +192,8 @@ class ErrorView extends React.PureComponent<PropsType> {
         }}
         animation="zoomIn"
         duration={200}
-        useNativeDriver>
+        useNativeDriver
+      >
         <View style={styles.inner}>
           <View style={styles.iconContainer}>
             <MaterialCommunityIcons
@@ -204,7 +207,8 @@ class ErrorView extends React.PureComponent<PropsType> {
             style={{
               ...styles.subheading,
               color: props.theme.colors.textDisabled,
-            }}>
+            }}
+          >
             {this.message}
           </Subheading>
           {button}

src/components/Screens/WebSectionList.tsx

@@ -24,6 +24,7 @@ import {
   NativeSyntheticEvent,
   RefreshControl,
   SectionListData,
+  StyleSheet,
   View,
 } from 'react-native';
 import * as Animatable from 'react-native-animatable';
@@ -51,7 +52,7 @@ type PropsType<ItemT, RawData> = {
   renderItem: (data: { item: ItemT }) => React.ReactNode;
   createDataset: (
     data: RawData | null,
-    isLoading?: boolean,
+    isLoading?: boolean
   ) => SectionListDataType<ItemT>;
   onScroll: (event: NativeSyntheticEvent<EventTarget>) => void;
   collapsibleStack: Collapsible;
@@ -60,11 +61,11 @@ type PropsType<ItemT, RawData> = {
   itemHeight?: number | null;
   updateData?: number;
   renderListHeaderComponent?: (
-    data: RawData | null,
+    data: RawData | null
   ) => React.ComponentType<any> | React.ReactElement | null;
   renderSectionHeader?: (
     data: { section: SectionListData<ItemT> },
-    isLoading?: boolean,
+    isLoading?: boolean
   ) => React.ReactElement | null;
   stickyHeader?: boolean;
 };
@@ -77,6 +78,12 @@ type StateType<RawData> = {
 
 const MIN_REFRESH_TIME = 5 * 1000;
 
+const styles = StyleSheet.create({
+  container: {
+    minHeight: '100%',
+  },
+});
+
 /**
  * Component used to render a SectionList with data fetched from the web
  *
@@ -204,7 +211,7 @@ class WebSectionList<ItemT, RawData> extends React.PureComponent<
   getItemLayout = (
     height: number,
     data: Array<SectionListData<ItemT>> | null,
-    index: number,
+    index: number
   ): { length: number; offset: number; index: number } => {
     return {
       length: height,
@@ -269,7 +276,7 @@ class WebSectionList<ItemT, RawData> extends React.PureComponent<
           renderSectionHeader={this.getRenderSectionHeader}
           renderItem={this.getRenderItem}
           stickySectionHeadersEnabled={props.stickyHeader}
-          style={{minHeight: '100%'}}
+          style={styles.container}
           ListHeaderComponent={
             props.renderListHeaderComponent != null
               ? props.renderListHeaderComponent(state.fetchedData)
@@ -304,7 +311,8 @@ class WebSectionList<ItemT, RawData> extends React.PureComponent<
           duration={4000}
           style={{
             bottom: CustomTabBar.TAB_BAR_HEIGHT,
-          }}>
+          }}
+        >
           {i18n.t('general.listUpdateFail')}
         </Snackbar>
       </View>

src/components/Screens/WebViewScreen.tsx

@@ -31,6 +31,7 @@ import {
   Linking,
   NativeScrollEvent,
   NativeSyntheticEvent,
+  StyleSheet,
 } from 'react-native';
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons';
 import { withTheme } from 'react-native-paper';
@@ -56,6 +57,12 @@ type PropsType = {
 
 const AnimatedWebView = Animated.createAnimatedComponent(WebView);
 
+const styles = StyleSheet.create({
+  overflow: {
+    marginHorizontal: 10,
+  },
+});
+
 /**
  * Class defining a webview screen.
  */
@@ -92,13 +99,13 @@ class WebViewScreen extends React.PureComponent<PropsType> {
     props.navigation.addListener('focus', () => {
       BackHandler.addEventListener(
         'hardwareBackPress',
-        this.onBackButtonPressAndroid,
+        this.onBackButtonPressAndroid
       );
     });
     props.navigation.addListener('blur', () => {
       BackHandler.removeEventListener(
         'hardwareBackPress',
-        this.onBackButtonPressAndroid,
+        this.onBackButtonPressAndroid
       );
     });
   }
@@ -154,14 +161,15 @@ class WebViewScreen extends React.PureComponent<PropsType> {
           onPress={this.onRefreshClicked}
         />
         <OverflowMenu
-          style={{marginHorizontal: 10}}
+          style={styles.overflow}
           OverflowIcon={
             <MaterialCommunityIcons
               name="dots-vertical"
               size={26}
               color={props.theme.colors.text}
             />
-          }>
+          }
+        >
           <HiddenItem
             title={i18n.t('general.goBack')}
             onPress={this.onGoBackClicked}
@@ -248,7 +256,10 @@ class WebViewScreen extends React.PureComponent<PropsType> {
 
   render() {
     const { props } = this;
-    const {containerPaddingTop, onScrollWithListener} = props.collapsibleStack;
+    const {
+      containerPaddingTop,
+      onScrollWithListener,
+    } = props.collapsibleStack;
     return (
       <AnimatedWebView
         ref={this.webviewRef}

src/components/Tabbar/CustomTabBar.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {Animated} from 'react-native';
+import { Animated, StyleSheet } from 'react-native';
 import { withTheme } from 'react-native-paper';
 import { Collapsible } from 'react-navigation-collapsible';
 import TabIcon from './TabIcon';
@@ -51,6 +51,16 @@ const TAB_ICONS = {
   planex: 'clock',
 };
 
+const styles = StyleSheet.create({
+  container: {
+    flexDirection: 'row',
+    width: '100%',
+    position: 'absolute',
+    bottom: 0,
+    left: 0,
+  },
+});
+
 class CustomTabBar extends React.Component<PropsType, StateType> {
   static TAB_BAR_HEIGHT = 48;
 
@@ -202,15 +212,12 @@ class CustomTabBar extends React.Component<PropsType, StateType> {
     return (
       <Animated.View
         style={{
-          flexDirection: 'row',
           height: CustomTabBar.TAB_BAR_HEIGHT,
-          width: '100%',
-          position: 'absolute',
-          bottom: 0,
-          left: 0,
           backgroundColor: props.theme.colors.surface,
           transform: [{ translateY: state.translateY }],
-        }}>
+          ...styles.container,
+        }}
+      >
         {icons}
       </Animated.View>
     );

src/components/Tabbar/TabHomeIcon.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {Image, View} from 'react-native';
+import { Image, StyleSheet, View } from 'react-native';
 import { FAB } from 'react-native-paper';
 import * as Animatable from 'react-native-animatable';
 const FOCUSED_ICON = require('../../../assets/tab-icon.png');
@@ -33,6 +33,25 @@ type PropsType = {
 
 const AnimatedFAB = Animatable.createAnimatableComponent(FAB);
 
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+  },
+  subcontainer: {
+    position: 'absolute',
+    bottom: 0,
+    left: 0,
+    width: '100%',
+    marginBottom: -15,
+  },
+  fab: {
+    marginTop: 15,
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+});
+
 /**
  * Abstraction layer for Agenda component, using custom configuration
  */
@@ -91,20 +110,13 @@ class TabHomeIcon extends React.Component<PropsType> {
   render() {
     const { props } = this;
     return (
+      <View style={styles.container}>
         <View
           style={{
-          flex: 1,
-          justifyContent: 'center',
-        }}>
-        <View
-          style={{
-            position: 'absolute',
-            bottom: 0,
-            left: 0,
-            width: '100%',
             height: props.tabBarHeight + 30,
-            marginBottom: -15,
-          }}>
+            ...styles.subcontainer,
+          }}
+        >
           <AnimatedFAB
             duration={200}
             easing="ease-out"
@@ -112,11 +124,7 @@ class TabHomeIcon extends React.Component<PropsType> {
             icon={this.getIconRender}
             onPress={props.onPress}
             onLongPress={props.onLongPress}
-            style={{
-              marginTop: 15,
-              marginLeft: 'auto',
-              marginRight: 'auto',
-            }}
+            style={styles.fab}
           />
         </View>
       </View>

src/components/Tabbar/TabIcon.tsx

@@ -18,10 +18,11 @@
  */
 
 import * as React from 'react';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import { TouchableRipple, withTheme } from 'react-native-paper';
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons';
 import * as Animatable from 'react-native-animatable';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type PropsType = {
   focused: boolean;
@@ -34,6 +35,19 @@ type PropsType = {
   extraData: null | boolean | number | string;
 };
 
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    borderRadius: 10,
+  },
+  text: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    fontSize: 10,
+  },
+});
+
 /**
  * Abstraction layer for Agenda component, using custom configuration
  */
@@ -93,26 +107,21 @@ class TabIcon extends React.Component<PropsType> {
         onPress={props.onPress}
         onLongPress={props.onLongPress}
         rippleColor={props.theme.colors.primary}
-        borderless
-        style={{
-          flex: 1,
-          justifyContent: 'center',
-          borderRadius: 10,
-        }}>
+        borderless={true}
+        style={styles.container}
+      >
         <View>
           <Animatable.View
             duration={200}
             easing="ease-out"
             animation={props.focused ? 'focusIn' : 'focusOut'}
-            useNativeDriver>
+            useNativeDriver
+          >
             <MaterialCommunityIcons
               name={props.icon}
               color={props.color}
               size={26}
-              style={{
-                marginLeft: 'auto',
-                marginRight: 'auto',
-              }}
+              style={GENERAL_STYLES.centerHorizontal}
             />
           </Animatable.View>
           <Animatable.Text
@@ -120,10 +129,9 @@ class TabIcon extends React.Component<PropsType> {
             useNativeDriver
             style={{
               color: props.color,
-              marginLeft: 'auto',
-              marginRight: 'auto',
-              fontSize: 10,
-            }}>
+              ...styles.text,
+            }}
+          >
             {props.label}
           </Animatable.Text>
         </View>

src/constants/NewsSourcesConstants.ts

@@ -17,8 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 const ICON_AMICALE = require('../../assets/amicale.png');
 const ICON_CAMPUS = require('../../assets/android.icon.png');
 

src/constants/Styles.tsx

@@ -0,0 +1,23 @@
+import { StyleSheet } from 'react-native';
+
+const GENERAL_STYLES = StyleSheet.create({
+  centerHorizontal: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+  centerVertical: {
+    marginTop: 'auto',
+    marginBottom: 'auto',
+  },
+  center: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginTop: 'auto',
+    marginBottom: 'auto',
+  },
+  flex: {
+    flex: 1,
+  },
+});
+
+export default GENERAL_STYLES;

src/managers/AprilFoolsManager.ts

@@ -67,7 +67,7 @@ export default class AprilFoolsManager {
    * @returns {Object}
    */
   static getFakeMenuItem(
-    menu: Array<RuFoodCategoryType>,
+    menu: Array<RuFoodCategoryType>
   ): Array<RuFoodCategoryType> {
     menu[1].dishes.splice(4, 0, { name: 'Coq au vin' });
     menu[1].dishes.splice(2, 0, { name: "Bat'Soupe" });
@@ -83,7 +83,7 @@ export default class AprilFoolsManager {
    * @param dryers
    */
   static getNewProxiwashDryerOrderedList(
-    dryers: Array<ProxiwashMachineType> | null,
+    dryers: Array<ProxiwashMachineType> | null
   ) {
     if (dryers != null) {
       const second = dryers[1];
@@ -98,7 +98,7 @@ export default class AprilFoolsManager {
    * @param washers
    */
   static getNewProxiwashWasherOrderedList(
-    washers: Array<ProxiwashMachineType> | null,
+    washers: Array<ProxiwashMachineType> | null
   ) {
     if (washers != null) {
       const first = washers[0];
@@ -129,7 +129,7 @@ export default class AprilFoolsManager {
    * @returns {{colors: {textDisabled: string, agendaDayTextColor: string, surface: string, background: string, dividerBackground: string, accent: string, agendaBackgroundColor: string, tabIcon: string, card: string, primary: string}}}
    */
   static getAprilFoolsTheme(
-    currentTheme: ReactNativePaper.Theme,
+    currentTheme: ReactNativePaper.Theme
   ): ReactNativePaper.Theme {
     return {
       ...currentTheme,

src/managers/AsyncStorageManager.ts

@@ -155,7 +155,7 @@ export default class AsyncStorageManager {
    */
   static set(
     key: string,
-    value: number | string | boolean | object | Array<any>,
+    value: number | string | boolean | object | Array<any>
   ) {
     AsyncStorageManager.getInstance().setPreference(key, value);
   }
@@ -209,7 +209,7 @@ export default class AsyncStorageManager {
    * @return {Promise<void>}
    */
   async loadPreferences() {
-    return new Promise((resolve: () => void) => {
+    return new Promise((resolve: (val: void) => void) => {
       const prefKeys: Array<string> = [];
       // Get all available keys
       Object.keys(AsyncStorageManager.PREFERENCES).forEach((key: string) => {
@@ -240,7 +240,7 @@ export default class AsyncStorageManager {
    */
   setPreference(
     key: string,
-    value: number | string | boolean | object | Array<any>,
+    value: number | string | boolean | object | Array<any>
   ) {
     if (AsyncStorageManager.PREFERENCES[key] != null) {
       let convertedValue;

src/managers/ConnectionManager.ts

@@ -17,8 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as Keychain from 'react-native-keychain';
 import type { ApiDataLoginType } from '../utils/WebData';
 import { apiRequest, ERROR_TYPE } from '../utils/WebData';
@@ -84,7 +82,7 @@ export default class ConnectionManager {
             }
             resolve();
           })
-          .catch(resolve);
+          .catch(() => resolve());
       }
     });
   }
@@ -159,7 +157,7 @@ export default class ConnectionManager {
             }
           })
           .catch((error: number): void => reject(error));
-      },
+      }
     );
   }
 
@@ -172,7 +170,7 @@ export default class ConnectionManager {
    */
   async authenticatedRequest<T>(
     path: string,
-    params: {[key: string]: any},
+    params: { [key: string]: any }
   ): Promise<T> {
     return new Promise(
       (resolve: (response: T) => void, reject: (error: number) => void) => {
@@ -187,7 +185,7 @@ export default class ConnectionManager {
         } else {
           reject(ERROR_TYPE.TOKEN_RETRIEVE);
         }
-      },
+      }
     );
   }
 }

src/managers/DashboardManager.ts

@@ -17,8 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import type { ServiceItemType } from './ServicesManager';
 import ServicesManager from './ServicesManager';
 import { getSublistWithIds } from '../utils/Services';
@@ -27,7 +25,7 @@ import AsyncStorageManager from './AsyncStorageManager';
 export default class DashboardManager extends ServicesManager {
   getCurrentDashboard(): Array<ServiceItemType | null> {
     const dashboardIdList = AsyncStorageManager.getObject<Array<string>>(
-      AsyncStorageManager.PREFERENCES.dashboardItems.key,
+      AsyncStorageManager.PREFERENCES.dashboardItems.key
     );
     const allDatasets = [
       ...this.amicaleDataset,

src/managers/DateManager.ts

@@ -84,7 +84,7 @@ export default class DateManager {
     date.setFullYear(
       parseInt(dateArray[0], 10),
       parseInt(dateArray[1], 10) - 1,
-      parseInt(dateArray[2], 10),
+      parseInt(dateArray[2], 10)
     );
     return `${this.daysOfWeek[date.getDay()]} ${date.getDate()} ${
       this.monthsOfYear[date.getMonth()]

src/managers/ThemeManager.ts

@@ -235,14 +235,14 @@ export default class ThemeManager {
   static getNightMode(): boolean {
     return (
       (AsyncStorageManager.getBool(
-        AsyncStorageManager.PREFERENCES.nightMode.key,
+        AsyncStorageManager.PREFERENCES.nightMode.key
       ) &&
         (!AsyncStorageManager.getBool(
-          AsyncStorageManager.PREFERENCES.nightModeFollowSystem.key,
+          AsyncStorageManager.PREFERENCES.nightModeFollowSystem.key
         ) ||
           colorScheme === 'no-preference')) ||
       (AsyncStorageManager.getBool(
-        AsyncStorageManager.PREFERENCES.nightModeFollowSystem.key,
+        AsyncStorageManager.PREFERENCES.nightModeFollowSystem.key
       ) &&
         colorScheme === 'dark')
     );
@@ -289,7 +289,7 @@ export default class ThemeManager {
   setNightMode(isNightMode: boolean) {
     AsyncStorageManager.set(
       AsyncStorageManager.PREFERENCES.nightMode.key,
-      isNightMode,
+      isNightMode
     );
     if (this.updateThemeCallback != null) {
       this.updateThemeCallback();

src/navigation/MainNavigator.tsx

@@ -18,7 +18,10 @@
  */
 
 import * as React from 'react';
-import {createStackNavigator, TransitionPresets} from '@react-navigation/stack';
+import {
+  createStackNavigator,
+  TransitionPresets,
+} from '@react-navigation/stack';
 import i18n from 'i18n-js';
 import { Platform } from 'react-native';
 import SettingsScreen from '../screens/Other/Settings/SettingsScreen';
@@ -81,13 +84,13 @@ export enum MainRoutes {
 type DefaultParams = { [key in MainRoutes]: object | undefined };
 
 export interface FullParamsList extends DefaultParams {
-  login: {nextScreen: string};
+  'login': { nextScreen: string };
   'equipment-confirm': {
     item?: DeviceType;
     dates: [string, string];
   };
   'equipment-rent': { item?: DeviceType };
-  gallery: {images: Array<{url: string}>};
+  'gallery': { images: Array<{ url: string }> };
 }
 
 // Don't know why but TS is complaining without this
@@ -114,7 +117,8 @@ function MainStackComponent(props: {createTabNavigator: () => JSX.Element}) {
     <MainStack.Navigator
       initialRouteName={MainRoutes.Main}
       headerMode="screen"
-      screenOptions={defaultScreenOptions}>
+      screenOptions={defaultScreenOptions}
+    >
       <MainStack.Screen
         name={MainRoutes.Main}
         component={createTabNavigator}
@@ -135,31 +139,31 @@ function MainStackComponent(props: {createTabNavigator: () => JSX.Element}) {
         MainRoutes.Settings,
         MainStack,
         SettingsScreen,
-        i18n.t('screens.settings.title'),
+        i18n.t('screens.settings.title')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.DashboardEdit,
         MainStack,
         DashboardEditScreen,
-        i18n.t('screens.settings.dashboardEdit.title'),
+        i18n.t('screens.settings.dashboardEdit.title')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.About,
         MainStack,
         AboutScreen,
-        i18n.t('screens.about.title'),
+        i18n.t('screens.about.title')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.Dependencies,
         MainStack,
         AboutDependenciesScreen,
-        i18n.t('screens.about.libs'),
+        i18n.t('screens.about.libs')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.Debug,
         MainStack,
         DebugScreen,
-        i18n.t('screens.about.debug'),
+        i18n.t('screens.about.debug')
       )}
 
       {CreateScreenCollapsibleStack(
@@ -169,7 +173,7 @@ function MainStackComponent(props: {createTabNavigator: () => JSX.Element}) {
         i18n.t('screens.game.title'),
         true,
         undefined,
-        'transparent',
+        'transparent'
       )}
       <MainStack.Screen
         name={MainRoutes.GameMain}
@@ -185,7 +189,7 @@ function MainStackComponent(props: {createTabNavigator: () => JSX.Element}) {
         i18n.t('screens.login.title'),
         true,
         { headerTintColor: '#fff' },
-        'transparent',
+        'transparent'
       )}
       {getWebsiteStack('website', MainStack, WebsiteScreen, '')}
 
@@ -193,19 +197,19 @@ function MainStackComponent(props: {createTabNavigator: () => JSX.Element}) {
         MainRoutes.SelfMenu,
         MainStack,
         SelfMenuScreen,
-        i18n.t('screens.menu.title'),
+        i18n.t('screens.menu.title')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.Proximo,
         MainStack,
         ProximoMainScreen,
-        i18n.t('screens.proximo.title'),
+        i18n.t('screens.proximo.title')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.ProximoList,
         MainStack,
         ProximoListScreen,
-        i18n.t('screens.proximo.articleList'),
+        i18n.t('screens.proximo.articleList')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.ProximoAbout,
@@ -213,20 +217,20 @@ function MainStackComponent(props: {createTabNavigator: () => JSX.Element}) {
         ProximoAboutScreen,
         i18n.t('screens.proximo.title'),
         true,
-        {...modalTransition},
+        { ...modalTransition }
       )}
 
       {CreateScreenCollapsibleStack(
         MainRoutes.Profile,
         MainStack,
         ProfileScreen,
-        i18n.t('screens.profile.title'),
+        i18n.t('screens.profile.title')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.ClubList,
         MainStack,
         ClubListScreen,
-        i18n.t('screens.clubs.title'),
+        i18n.t('screens.clubs.title')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.ClubInformation,
@@ -234,7 +238,7 @@ function MainStackComponent(props: {createTabNavigator: () => JSX.Element}) {
         ClubDisplayScreen,
         i18n.t('screens.clubs.details'),
         true,
-        {...modalTransition},
+        { ...modalTransition }
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.ClubAbout,
@@ -242,37 +246,37 @@ function MainStackComponent(props: {createTabNavigator: () => JSX.Element}) {
         ClubAboutScreen,
         i18n.t('screens.clubs.title'),
         true,
-        {...modalTransition},
+        { ...modalTransition }
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.EquipmentList,
         MainStack,
         EquipmentScreen,
-        i18n.t('screens.equipment.title'),
+        i18n.t('screens.equipment.title')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.EquipmentRent,
         MainStack,
         EquipmentLendScreen,
-        i18n.t('screens.equipment.book'),
+        i18n.t('screens.equipment.book')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.EquipmentConfirm,
         MainStack,
         EquipmentConfirmScreen,
-        i18n.t('screens.equipment.confirm'),
+        i18n.t('screens.equipment.confirm')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.Vote,
         MainStack,
         VoteScreen,
-        i18n.t('screens.vote.title'),
+        i18n.t('screens.vote.title')
       )}
       {CreateScreenCollapsibleStack(
         MainRoutes.Feedback,
         MainStack,
         BugReportScreen,
-        i18n.t('screens.feedback.title'),
+        i18n.t('screens.feedback.title')
       )}
     </MainStack.Navigator>
   );

src/navigation/TabNavigator.tsx

@@ -18,11 +18,14 @@
  */
 
 import * as React from 'react';
-import {createStackNavigator, TransitionPresets} from '@react-navigation/stack';
+import {
+  createStackNavigator,
+  TransitionPresets,
+} from '@react-navigation/stack';
 import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
 
 import { Title, useTheme } from 'react-native-paper';
-import {Platform} from 'react-native';
+import { Platform, StyleSheet } from 'react-native';
 import i18n from 'i18n-js';
 import { createCollapsibleStack } from 'react-navigation-collapsible';
 import { View } from 'react-native-animatable';
@@ -58,6 +61,20 @@ const defaultScreenOptions = {
   ...modalTransition,
 };
 
+const styles = StyleSheet.create({
+  header: {
+    flexDirection: 'row',
+  },
+  mascot: {
+    width: 50,
+  },
+  title: {
+    marginLeft: 10,
+    marginTop: 'auto',
+    marginBottom: 'auto',
+  },
+});
+
 const ServicesStack = createStackNavigator();
 
 function ServicesStackComponent() {
@@ -65,24 +82,25 @@ function ServicesStackComponent() {
     <ServicesStack.Navigator
       initialRouteName="index"
       headerMode="screen"
-      screenOptions={defaultScreenOptions}>
+      screenOptions={defaultScreenOptions}
+    >
       {CreateScreenCollapsibleStack(
         'index',
         ServicesStack,
         WebsitesHomeScreen,
-        i18n.t('screens.services.title'),
+        i18n.t('screens.services.title')
       )}
       {CreateScreenCollapsibleStack(
         'services-section',
         ServicesStack,
         ServicesSectionScreen,
-        'SECTION',
+        'SECTION'
       )}
       {CreateScreenCollapsibleStack(
         'amicale-contact',
         ServicesStack,
         AmicaleContactScreen,
-        i18n.t('screens.amicaleAbout.title'),
+        i18n.t('screens.amicaleAbout.title')
       )}
     </ServicesStack.Navigator>
   );
@@ -95,18 +113,19 @@ function ProxiwashStackComponent() {
     <ProxiwashStack.Navigator
       initialRouteName="index"
       headerMode="screen"
-      screenOptions={defaultScreenOptions}>
+      screenOptions={defaultScreenOptions}
+    >
       {CreateScreenCollapsibleStack(
         'index',
         ProxiwashStack,
         ProxiwashScreen,
-        i18n.t('screens.proxiwash.title'),
+        i18n.t('screens.proxiwash.title')
       )}
       {CreateScreenCollapsibleStack(
         'proxiwash-about',
         ProxiwashStack,
         ProxiwashAboutScreen,
-        i18n.t('screens.proxiwash.title'),
+        i18n.t('screens.proxiwash.title')
       )}
     </ProxiwashStack.Navigator>
   );
@@ -119,7 +138,8 @@ function PlanningStackComponent() {
     <PlanningStack.Navigator
       initialRouteName="index"
       headerMode="screen"
-      screenOptions={defaultScreenOptions}>
+      screenOptions={defaultScreenOptions}
+    >
       <PlanningStack.Screen
         name="index"
         component={PlanningScreen}
@@ -129,7 +149,7 @@ function PlanningStackComponent() {
         'planning-information',
         PlanningStack,
         PlanningDisplayScreen,
-        i18n.t('screens.planning.eventDetails'),
+        i18n.t('screens.planning.eventDetails')
       )}
     </PlanningStack.Navigator>
   );
@@ -139,7 +159,7 @@ const HomeStack = createStackNavigator();
 
 function HomeStackComponent(
   initialRoute: string | null,
-  defaultData: {[key: string]: string},
+  defaultData: { [key: string]: string }
 ) {
   let params;
   if (initialRoute) {
@@ -150,7 +170,8 @@ function HomeStackComponent(
     <HomeStack.Navigator
       initialRouteName="index"
       headerMode="screen"
-      screenOptions={defaultScreenOptions}>
+      screenOptions={defaultScreenOptions}
+    >
       {createCollapsibleStack(
         <HomeStack.Screen
           name="index"
@@ -161,11 +182,9 @@ function HomeStackComponent(
               backgroundColor: colors.surface,
             },
             headerTitle: () => (
-              <View style={{flexDirection: 'row'}}>
+              <View style={styles.header}>
                 <Mascot
-                  style={{
-                    width: 50,
-                  }}
+                  style={styles.mascot}
                   emotion={MASCOT_STYLE.RANDOM}
                   animated
                   entryAnimation={{
@@ -178,12 +197,7 @@ function HomeStackComponent(
                     iterationCount: 'infinite',
                   }}
                 />
-                <Title
-                  style={{
-                    marginLeft: 10,
-                    marginTop: 'auto',
-                    marginBottom: 'auto',
-                  }}>
+                <Title style={styles.title}>
                   {i18n.t('screens.home.title')}
                 </Title>
               </View>
@@ -194,7 +208,7 @@ function HomeStackComponent(
         {
           collapsedColor: colors.surface,
           useNativeDriver: true,
-        },
+        }
       )}
       <HomeStack.Screen
         name="scanner"
@@ -206,19 +220,19 @@ function HomeStackComponent(
         'club-information',
         HomeStack,
         ClubDisplayScreen,
-        i18n.t('screens.clubs.details'),
+        i18n.t('screens.clubs.details')
       )}
       {CreateScreenCollapsibleStack(
         'feed-information',
         HomeStack,
         FeedItemScreen,
-        i18n.t('screens.home.feed'),
+        i18n.t('screens.home.feed')
       )}
       {CreateScreenCollapsibleStack(
         'planning-information',
         HomeStack,
         PlanningDisplayScreen,
-        i18n.t('screens.planning.eventDetails'),
+        i18n.t('screens.planning.eventDetails')
       )}
     </HomeStack.Navigator>
   );
@@ -231,18 +245,19 @@ function PlanexStackComponent() {
     <PlanexStack.Navigator
       initialRouteName="index"
       headerMode="screen"
-      screenOptions={defaultScreenOptions}>
+      screenOptions={defaultScreenOptions}
+    >
       {getWebsiteStack(
         'index',
         PlanexStack,
         PlanexScreen,
-        i18n.t('screens.planex.title'),
+        i18n.t('screens.planex.title')
       )}
       {CreateScreenCollapsibleStack(
         'group-select',
         PlanexStack,
         GroupSelectionScreen,
-        '',
+        ''
       )}
     </PlanexStack.Navigator>
   );
@@ -264,7 +279,7 @@ export default class TabNavigator extends React.Component<PropsType> {
     this.defaultRoute = 'home';
     if (!props.defaultHomeRoute) {
       this.defaultRoute = AsyncStorageManager.getString(
-        AsyncStorageManager.PREFERENCES.defaultStartScreen.key,
+        AsyncStorageManager.PREFERENCES.defaultStartScreen.key
       ).toLowerCase();
     }
     this.createHomeStackComponent = () =>
@@ -275,7 +290,8 @@ export default class TabNavigator extends React.Component<PropsType> {
     return (
       <Tab.Navigator
         initialRouteName={this.defaultRoute}
-        tabBar={(tabProps) => <CustomTabBar {...tabProps} />}>
+        tabBar={(tabProps) => <CustomTabBar {...tabProps} />}
+      >
         <Tab.Screen
           name="services"
           component={ServicesStackComponent}

src/screens/About/AboutDependenciesScreen.tsx

@@ -70,7 +70,7 @@ export default class AboutDependenciesScreen extends React.Component<{}> {
 
   getItemLayout = (
     data: Array<ListItemType> | null | undefined,
-    index: number,
+    index: number
   ): { length: number; offset: number; index: number } => ({
     length: LIST_ITEM_HEIGHT,
     offset: LIST_ITEM_HEIGHT * index,

src/screens/About/AboutScreen.tsx

@@ -18,7 +18,14 @@
  */
 
 import * as React from 'react';
-import {FlatList, Linking, Platform, Image, View} from 'react-native';
+import {
+  FlatList,
+  Linking,
+  Platform,
+  Image,
+  View,
+  StyleSheet,
+} from 'react-native';
 import i18n from 'i18n-js';
 import { Avatar, Card, List } from 'react-native-paper';
 import { StackNavigationProp } from '@react-navigation/stack';
@@ -26,6 +33,7 @@ import packageJson from '../../../package.json';
 import CollapsibleFlatList from '../../components/Collapsible/CollapsibleFlatList';
 import OptionsDialog from '../../components/Dialogs/OptionsDialog';
 import type { OptionsDialogButtonType } from '../../components/Dialogs/OptionsDialog';
+import GENERAL_STYLES from '../../constants/Styles';
 
 const APP_LOGO = require('../../../assets/android.icon.round.png');
 
@@ -69,6 +77,15 @@ type StateType = {
   dialogButtons: Array<OptionsDialogButtonType>;
 };
 
+const styles = StyleSheet.create({
+  card: {
+    marginBottom: 10,
+  },
+  list: {
+    padding: 5,
+  },
+});
+
 /**
  * Opens a link in the device's browser
  * @param link The link to open
@@ -348,7 +365,7 @@ class AboutScreen extends React.Component<PropsType, StateType> {
    */
   getAppCard() {
     return (
-      <Card style={{marginBottom: 10}}>
+      <Card style={styles.card}>
         <Card.Title
           title="Campus"
           subtitle={packageJson.version}
@@ -377,7 +394,7 @@ class AboutScreen extends React.Component<PropsType, StateType> {
    */
   getTeamCard() {
     return (
-      <Card style={{marginBottom: 10}}>
+      <Card style={styles.card}>
         <Card.Title
           title={i18n.t('screens.about.team')}
           left={(iconProps) => (
@@ -402,7 +419,7 @@ class AboutScreen extends React.Component<PropsType, StateType> {
    */
   getThanksCard() {
     return (
-      <Card style={{marginBottom: 10}}>
+      <Card style={styles.card}>
         <Card.Title
           title={i18n.t('screens.about.thanks')}
           left={(iconProps) => (
@@ -427,7 +444,7 @@ class AboutScreen extends React.Component<PropsType, StateType> {
    */
   getTechnoCard() {
     return (
-      <Card style={{marginBottom: 10}}>
+      <Card style={styles.card}>
         <Card.Title
           title={i18n.t('screens.about.technologies')}
           left={(iconProps) => (
@@ -478,7 +495,7 @@ class AboutScreen extends React.Component<PropsType, StateType> {
         marginRight: number;
         marginVertical?: number;
       };
-    },
+    }
   ) {
     return (
       <List.Icon color={props.color} style={props.style} icon={item.icon} />
@@ -553,12 +570,9 @@ class AboutScreen extends React.Component<PropsType, StateType> {
   render() {
     const { state } = this;
     return (
-      <View
-        style={{
-          height: '100%',
-        }}>
+      <View style={GENERAL_STYLES.flex}>
         <CollapsibleFlatList
-          style={{padding: 5}}
+          style={styles.list}
           data={this.dataOrder}
           renderItem={this.getMainCard}
         />

src/screens/About/DebugScreen.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import {
   Button,
   List,
@@ -47,6 +47,17 @@ type StateType = {
   currentPreferences: Array<PreferenceItemType>;
 };
 
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    padding: 20,
+  },
+  buttonContainer: {
+    flexDirection: 'row',
+    marginTop: 10,
+  },
+});
+
 /**
  * Class defining the Debug screen.
  * This screen allows the user to get and modify information on the app/device.
@@ -95,11 +106,7 @@ class DebugScreen extends React.Component<PropsType, StateType> {
     }
 
     return (
-      <View
-        style={{
-          flex: 1,
-          padding: 20,
-        }}>
+      <View style={styles.container}>
         <Title>{key}</Title>
         <Subheading>Default: {defaultValue}</Subheading>
         <Subheading>Current: {current}</Subheading>
@@ -109,18 +116,15 @@ class DebugScreen extends React.Component<PropsType, StateType> {
             this.modalInputValue = text;
           }}
         />
-        <View
-          style={{
-            flexDirection: 'row',
-            marginTop: 10,
-          }}>
+        <View style={styles.buttonContainer}>
           <Button
             mode="contained"
             dark
             color={props.theme.colors.success}
             onPress={() => {
               this.saveNewPrefs(key, this.modalInputValue);
-            }}>
+            }}
+          >
             Save new value
           </Button>
           <Button
@@ -129,7 +133,8 @@ class DebugScreen extends React.Component<PropsType, StateType> {
             color={props.theme.colors.danger}
             onPress={() => {
               this.saveNewPrefs(key, defaultValue);
-            }}>
+            }}
+          >
             Reset to default
           </Button>
         </View>

src/screens/Amicale/AmicaleContactScreen.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {FlatList, Image, Linking, View} from 'react-native';
+import { FlatList, Image, Linking, StyleSheet, View } from 'react-native';
 import { Avatar, Card, List, Text } from 'react-native-paper';
 import i18n from 'i18n-js';
 import CollapsibleFlatList from '../../components/Collapsible/CollapsibleFlatList';
@@ -31,6 +31,24 @@ type DatasetItemType = {
   icon: string;
 };
 
+const styles = StyleSheet.create({
+  imageContainer: {
+    width: '100%',
+    height: 100,
+    marginTop: 20,
+    marginBottom: 20,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  image: {
+    flex: 1,
+    resizeMode: 'contain',
+  },
+  card: {
+    margin: 5,
+  },
+});
+
 /**
  * Class defining a planning event information page.
  */
@@ -129,22 +147,14 @@ class AmicaleContactScreen extends React.Component<{}> {
   getScreen = () => {
     return (
       <View>
-        <View
-          style={{
-            width: '100%',
-            height: 100,
-            marginTop: 20,
-            marginBottom: 20,
-            justifyContent: 'center',
-            alignItems: 'center',
-          }}>
+        <View style={styles.imageContainer}>
           <Image
             source={AMICALE_LOGO}
-            style={{flex: 1, resizeMode: 'contain'}}
+            style={styles.image}
             resizeMode="contain"
           />
         </View>
-        <Card style={{margin: 5}}>
+        <Card style={styles.card}>
           <Card.Title
             title={i18n.t('screens.amicaleAbout.title')}
             subtitle={i18n.t('screens.amicaleAbout.subtitle')}

src/screens/Amicale/Clubs/ClubAboutScreen.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {Image, View} from 'react-native';
+import { Image, StyleSheet, View } from 'react-native';
 import { Card, Avatar, Text } from 'react-native-paper';
 import i18n from 'i18n-js';
 import Autolink from 'react-native-autolink';
@@ -27,26 +27,39 @@ const AMICALE_ICON = require('../../../../assets/amicale.png');
 
 const CONTACT_LINK = 'clubs@amicale-insat.fr';
 
-function ClubAboutScreen() {
-  return (
-    <CollapsibleScrollView style={{padding: 5}}>
-      <View
-        style={{
+const styles = StyleSheet.create({
+  container: {
+    padding: 5,
+  },
+  imageContainer: {
     width: '100%',
     height: 100,
     marginTop: 20,
     marginBottom: 20,
     justifyContent: 'center',
     alignItems: 'center',
-        }}>
+  },
+  image: {
+    flex: 1,
+    resizeMode: 'contain',
+  },
+  card: {
+    margin: 5,
+  },
+});
+
+function ClubAboutScreen() {
+  return (
+    <CollapsibleScrollView style={styles.container}>
+      <View style={styles.imageContainer}>
         <Image
           source={AMICALE_ICON}
-          style={{flex: 1, resizeMode: 'contain'}}
+          style={styles.image}
           resizeMode="contain"
         />
       </View>
       <Text>{i18n.t('screens.clubs.about.text')}</Text>
-      <Card style={{margin: 5}}>
+      <Card style={styles.card}>
         <Card.Title
           title={i18n.t('screens.clubs.about.title')}
           subtitle={i18n.t('screens.clubs.about.subtitle')}

src/screens/Amicale/Clubs/ClubDisplayScreen.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {Linking, View} from 'react-native';
+import { Linking, StyleSheet, View } from 'react-native';
 import {
   Avatar,
   Button,
@@ -51,6 +51,37 @@ type PropsType = {
 
 const AMICALE_MAIL = 'clubs@amicale-insat.fr';
 
+const styles = StyleSheet.create({
+  category: {
+    marginRight: 5,
+  },
+  categoryContainer: {
+    flexDirection: 'row',
+    marginTop: 5,
+  },
+  card: {
+    marginTop: 10,
+  },
+  icon: {
+    backgroundColor: 'transparent',
+  },
+  emailButton: {
+    marginLeft: 'auto',
+  },
+  scroll: {
+    paddingLeft: 5,
+    paddingRight: 5,
+  },
+  imageButton: {
+    width: 300,
+    height: 300,
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginTop: 10,
+    marginBottom: 10,
+  },
+});
+
 /**
  * Class defining a club event information page.
  * If called with data and categories navigation parameters, will use those to display the data.
@@ -117,13 +148,13 @@ class ClubDisplayScreen extends React.Component<PropsType> {
     categories.forEach((cat: number | null) => {
       if (cat != null) {
         final.push(
-          <Chip style={{marginRight: 5}} key={cat}>
+          <Chip style={styles.category} key={cat}>
             {this.getCategoryName(cat)}
-          </Chip>,
+          </Chip>
         );
       }
     });
-    return <View style={{flexDirection: 'row', marginTop: 5}}>{final}</View>;
+    return <View style={styles.categoryContainer}>{final}</View>;
   }
 
   /**
@@ -142,7 +173,11 @@ class ClubDisplayScreen extends React.Component<PropsType> {
     const hasManagers = managers.length > 0;
     return (
       <Card
-        style={{marginTop: 10, marginBottom: CustomTabBar.TAB_BAR_HEIGHT + 20}}>
+        style={{
+          marginBottom: CustomTabBar.TAB_BAR_HEIGHT + 20,
+          ...styles.card,
+        }}
+      >
         <Card.Title
           title={i18n.t('screens.clubs.managers')}
           subtitle={
@@ -153,7 +188,7 @@ class ClubDisplayScreen extends React.Component<PropsType> {
           left={(iconProps) => (
             <Avatar.Icon
               size={iconProps.size}
-              style={{backgroundColor: 'transparent'}}
+              style={styles.icon}
               color={
                 hasManagers
                   ? props.theme.colors.success
@@ -193,7 +228,8 @@ class ClubDisplayScreen extends React.Component<PropsType> {
           onPress={() => {
             Linking.openURL(`mailto:${destinationEmail}`);
           }}
-          style={{marginLeft: 'auto'}}>
+          style={styles.emailButton}
+        >
           {text}
         </Button>
       </Card.Actions>
@@ -205,19 +241,12 @@ class ClubDisplayScreen extends React.Component<PropsType> {
     if (data != null) {
       this.updateHeaderTitle(data);
       return (
-        <CollapsibleScrollView style={{paddingLeft: 5, paddingRight: 5}} hasTab>
+        <CollapsibleScrollView style={styles.scroll} hasTab>
           {this.getCategoriesRender(data.category)}
           {data.logo !== null ? (
             <ImageGalleryButton
               images={[{ url: data.logo }]}
-              style={{
-                width: 300,
-                height: 300,
-                marginLeft: 'auto',
-                marginRight: 'auto',
-                marginTop: 10,
-                marginBottom: 10,
-              }}
+              style={styles.imageButton}
             />
           ) : (
             <View />

src/screens/Amicale/Clubs/ClubListScreen.tsx

@@ -24,7 +24,10 @@ import i18n from 'i18n-js';
 import { StackNavigationProp } from '@react-navigation/stack';
 import AuthenticatedScreen from '../../../components/Amicale/AuthenticatedScreen';
 import ClubListItem from '../../../components/Lists/Clubs/ClubListItem';
-import {isItemInCategoryFilter, stringMatchQuery} from '../../../utils/Search';
+import {
+  isItemInCategoryFilter,
+  stringMatchQuery,
+} from '../../../utils/Search';
 import ClubListHeader from '../../../components/Lists/Clubs/ClubListHeader';
 import MaterialHeaderButtons, {
   Item,
@@ -147,7 +150,7 @@ class ClubListScreen extends React.Component<PropsType, StateType> {
     data: Array<{
       categories: Array<ClubCategoryType>;
       clubs: Array<ClubType>;
-    } | null>,
+    } | null>
   ) => {
     let categoryList: Array<ClubCategoryType> = [];
     let clubList: Array<ClubType> = [];
@@ -222,7 +225,7 @@ class ClubListScreen extends React.Component<PropsType, StateType> {
 
   itemLayout = (
     data: Array<ClubType> | null | undefined,
-    index: number,
+    index: number
   ): { length: number; offset: number; index: number } => ({
     length: LIST_ITEM_HEIGHT,
     offset: LIST_ITEM_HEIGHT * index,

src/screens/Amicale/Equipment/EquipmentConfirmScreen.tsx

@@ -26,12 +26,13 @@ import {
   Title,
   useTheme,
 } from 'react-native-paper';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import i18n from 'i18n-js';
 import { getRelativeDateString } from '../../../utils/EquipmentBooking';
 import CollapsibleScrollView from '../../../components/Collapsible/CollapsibleScrollView';
 import { StackScreenProps } from '@react-navigation/stack';
 import { MainStackParamsList } from '../../../navigation/MainNavigator';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type EquipmentConfirmScreenNavigationProp = StackScreenProps<
   MainStackParamsList,
@@ -40,6 +41,32 @@ type EquipmentConfirmScreenNavigationProp = StackScreenProps<
 
 type Props = EquipmentConfirmScreenNavigationProp;
 
+const styles = StyleSheet.create({
+  card: {
+    margin: 5,
+  },
+  titleContainer: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    flexDirection: 'row',
+    flexWrap: 'wrap',
+  },
+  title: {
+    textAlign: 'center',
+  },
+  caption: {
+    textAlign: 'center',
+    lineHeight: 35,
+    marginLeft: 10,
+  },
+  subtitle: {
+    textAlign: 'center',
+  },
+  text: {
+    textAlign: 'center',
+  },
+});
+
 function EquipmentConfirmScreen(props: Props) {
   const theme = useTheme();
   const item = props.route.params?.item;
@@ -63,31 +90,20 @@ function EquipmentConfirmScreen(props: Props) {
     }
     return (
       <CollapsibleScrollView>
-        <Card style={{margin: 5}}>
+        <Card style={styles.card}>
           <Card.Content>
-            <View style={{flex: 1}}>
-              <View
-                style={{
-                  marginLeft: 'auto',
-                  marginRight: 'auto',
-                  flexDirection: 'row',
-                  flexWrap: 'wrap',
-                }}>
-                <Headline style={{textAlign: 'center'}}>{item.name}</Headline>
-                <Caption
-                  style={{
-                    textAlign: 'center',
-                    lineHeight: 35,
-                    marginLeft: 10,
-                  }}>
+            <View style={GENERAL_STYLES.flex}>
+              <View style={styles.titleContainer}>
+                <Headline style={styles.title}>{item.name}</Headline>
+                <Caption style={styles.caption}>
                   ({i18n.t('screens.equipment.bail', { cost: item.caution })})
                 </Caption>
               </View>
             </View>
-            <Title style={{color: theme.colors.success, textAlign: 'center'}}>
+            <Title style={{ color: theme.colors.success, ...styles.subtitle }}>
               {buttonText}
             </Title>
-            <Paragraph style={{textAlign: 'center'}}>
+            <Paragraph style={styles.text}>
               {i18n.t('screens.equipment.bookingConfirmedMessage')}
             </Paragraph>
           </Card.Content>

src/screens/Amicale/Equipment/EquipmentListScreen.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import { Button } from 'react-native-paper';
 import { StackNavigationProp } from '@react-navigation/stack';
 import i18n from 'i18n-js';
@@ -28,6 +28,7 @@ import MascotPopup from '../../../components/Mascot/MascotPopup';
 import { MASCOT_STYLE } from '../../../components/Mascot/Mascot';
 import AsyncStorageManager from '../../../managers/AsyncStorageManager';
 import CollapsibleFlatList from '../../../components/Collapsible/CollapsibleFlatList';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type PropsType = {
   navigation: StackNavigationProp<any>;
@@ -53,6 +54,14 @@ export type RentedDeviceType = {
 
 const LIST_ITEM_HEIGHT = 64;
 
+const styles = StyleSheet.create({
+  headerContainer: {
+    width: '100%',
+    marginTop: 10,
+    marginBottom: 10,
+  },
+});
+
 class EquipmentListScreen extends React.Component<PropsType, StateType> {
   userRents: null | Array<RentedDeviceType>;
 
@@ -65,7 +74,7 @@ class EquipmentListScreen extends React.Component<PropsType, StateType> {
     this.userRents = null;
     this.state = {
       mascotDialogVisible: AsyncStorageManager.getBool(
-        AsyncStorageManager.PREFERENCES.equipmentShowMascot.key,
+        AsyncStorageManager.PREFERENCES.equipmentShowMascot.key
       ),
     };
     this.canRefresh = false;
@@ -115,20 +124,13 @@ class EquipmentListScreen extends React.Component<PropsType, StateType> {
    */
   getListHeader() {
     return (
-      <View
-        style={{
-          width: '100%',
-          marginTop: 10,
-          marginBottom: 10,
-        }}>
+      <View style={styles.headerContainer}>
         <Button
           mode="contained"
           icon="help-circle"
           onPress={this.showMascotDialog}
-          style={{
-            marginRight: 'auto',
-            marginLeft: 'auto',
-          }}>
+          style={GENERAL_STYLES.centerHorizontal}
+        >
           {i18n.t('screens.equipment.mascotDialog.title')}
         </Button>
       </View>
@@ -145,8 +147,10 @@ class EquipmentListScreen extends React.Component<PropsType, StateType> {
    */
   getScreen = (
     data: Array<
-      {devices: Array<DeviceType>} | {locations: Array<RentedDeviceType>} | null
-    >,
+      | { devices: Array<DeviceType> }
+      | { locations: Array<RentedDeviceType> }
+      | null
+    >
   ) => {
     const [allDevices, userRents] = data;
     if (userRents) {
@@ -175,7 +179,7 @@ class EquipmentListScreen extends React.Component<PropsType, StateType> {
   hideMascotDialog = () => {
     AsyncStorageManager.set(
       AsyncStorageManager.PREFERENCES.equipmentShowMascot.key,
-      false,
+      false
     );
     this.setState({ mascotDialogVisible: false });
   };
@@ -183,7 +187,7 @@ class EquipmentListScreen extends React.Component<PropsType, StateType> {
   render() {
     const { props, state } = this;
     return (
-      <View style={{flex: 1}}>
+      <View style={GENERAL_STYLES.flex}>
         <AuthenticatedScreen
           navigation={props.navigation}
           ref={this.authRef}

src/screens/Amicale/Equipment/EquipmentRentScreen.tsx

@@ -27,7 +27,7 @@ import {
   withTheme,
 } from 'react-native-paper';
 import { StackNavigationProp, StackScreenProps } from '@react-navigation/stack';
-import {BackHandler, View} from 'react-native';
+import { BackHandler, StyleSheet, View } from 'react-native';
 import * as Animatable from 'react-native-animatable';
 import i18n from 'i18n-js';
 import { CalendarList, PeriodMarking } from 'react-native-calendars';
@@ -45,6 +45,7 @@ import {
 import ConnectionManager from '../../../managers/ConnectionManager';
 import CollapsibleScrollView from '../../../components/Collapsible/CollapsibleScrollView';
 import { MainStackParamsList } from '../../../navigation/MainNavigator';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type EquipmentRentScreenNavigationProp = StackScreenProps<
   MainStackParamsList,
@@ -67,6 +68,50 @@ type StateType = {
   currentError: number;
 };
 
+const styles = StyleSheet.create({
+  titleContainer: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    flexDirection: 'row',
+    flexWrap: 'wrap',
+  },
+  title: {
+    textAlign: 'center',
+  },
+  caption: {
+    textAlign: 'center',
+    lineHeight: 35,
+    marginLeft: 10,
+  },
+  card: {
+    margin: 5,
+  },
+  subtitle: {
+    textAlign: 'center',
+    marginBottom: 10,
+    minHeight: 50,
+  },
+  calendar: {
+    marginBottom: 50,
+  },
+  buttonContainer: {
+    position: 'absolute',
+    bottom: 0,
+    left: 0,
+    width: '100%',
+    flex: 1,
+    transform: [{ translateY: 100 }],
+  },
+  button: {
+    width: '80%',
+    flex: 1,
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginBottom: 20,
+    borderRadius: 10,
+  },
+});
+
 class EquipmentRentScreen extends React.Component<Props, StateType> {
   item: DeviceType | null;
 
@@ -108,7 +153,7 @@ class EquipmentRentScreen extends React.Component<Props, StateType> {
         const range = getValidRange(
           new Date(date.begin),
           new Date(date.end),
-          null,
+          null
         );
         this.lockedDates = {
           ...this.lockedDates,
@@ -126,13 +171,13 @@ class EquipmentRentScreen extends React.Component<Props, StateType> {
     navigation.addListener('focus', () => {
       BackHandler.addEventListener(
         'hardwareBackPress',
-        this.onBackButtonPressAndroid,
+        this.onBackButtonPressAndroid
       );
     });
     navigation.addListener('blur', () => {
       BackHandler.removeEventListener(
         'hardwareBackPress',
-        this.onBackButtonPressAndroid,
+        this.onBackButtonPressAndroid
       );
     });
   }
@@ -315,28 +360,17 @@ class EquipmentRentScreen extends React.Component<Props, StateType> {
       const isAvailable = isEquipmentAvailable(item);
       const firstAvailability = getFirstEquipmentAvailability(item);
       return (
-        <View style={{flex: 1}}>
+        <View style={GENERAL_STYLES.flex}>
           <CollapsibleScrollView>
-            <Card style={{margin: 5}}>
+            <Card style={styles.card}>
               <Card.Content>
-                <View style={{flex: 1}}>
-                  <View
-                    style={{
-                      marginLeft: 'auto',
-                      marginRight: 'auto',
-                      flexDirection: 'row',
-                      flexWrap: 'wrap',
-                    }}>
-                    <Headline style={{textAlign: 'center'}}>
-                      {item.name}
-                    </Headline>
-                    <Caption
-                      style={{
-                        textAlign: 'center',
-                        lineHeight: 35,
-                        marginLeft: 10,
-                      }}>
-                      ({i18n.t('screens.equipment.bail', {cost: item.caution})})
+                <View style={GENERAL_STYLES.flex}>
+                  <View style={styles.titleContainer}>
+                    <Headline style={styles.title}>{item.name}</Headline>
+                    <Caption style={styles.caption}>
+                      (
+                      {i18n.t('screens.equipment.bail', { cost: item.caution })}
+                      )
                     </Caption>
                   </View>
                 </View>
@@ -348,17 +382,13 @@ class EquipmentRentScreen extends React.Component<Props, StateType> {
                       ? props.theme.colors.success
                       : props.theme.colors.primary
                   }
-                  mode="text">
+                  mode="text"
+                >
                   {i18n.t('screens.equipment.available', {
                     date: getRelativeDateString(firstAvailability),
                   })}
                 </Button>
-                <Subheading
-                  style={{
-                    textAlign: 'center',
-                    marginBottom: 10,
-                    minHeight: 50,
-                  }}>
+                <Subheading style={styles.subtitle}>
                   {subHeadingText}
                 </Subheading>
               </Card.Content>
@@ -384,28 +414,28 @@ class EquipmentRentScreen extends React.Component<Props, StateType> {
               markingType={'period'}
               markedDates={{ ...this.lockedDates, ...state.markedDates }}
               theme={{
-                backgroundColor: props.theme.colors.agendaBackgroundColor,
-                calendarBackground: props.theme.colors.background,
-                textSectionTitleColor: props.theme.colors.agendaDayTextColor,
-                selectedDayBackgroundColor: props.theme.colors.primary,
-                selectedDayTextColor: '#ffffff',
-                todayTextColor: props.theme.colors.text,
-                dayTextColor: props.theme.colors.text,
-                textDisabledColor: props.theme.colors.agendaDayTextColor,
-                dotColor: props.theme.colors.primary,
-                selectedDotColor: '#ffffff',
-                arrowColor: props.theme.colors.primary,
-                monthTextColor: props.theme.colors.text,
-                indicatorColor: props.theme.colors.primary,
-                textDayFontFamily: 'monospace',
-                textMonthFontFamily: 'monospace',
-                textDayHeaderFontFamily: 'monospace',
-                textDayFontWeight: '300',
-                textMonthFontWeight: 'bold',
-                textDayHeaderFontWeight: '300',
-                textDayFontSize: 16,
-                textMonthFontSize: 16,
-                textDayHeaderFontSize: 16,
+                'backgroundColor': props.theme.colors.agendaBackgroundColor,
+                'calendarBackground': props.theme.colors.background,
+                'textSectionTitleColor': props.theme.colors.agendaDayTextColor,
+                'selectedDayBackgroundColor': props.theme.colors.primary,
+                'selectedDayTextColor': '#ffffff',
+                'todayTextColor': props.theme.colors.text,
+                'dayTextColor': props.theme.colors.text,
+                'textDisabledColor': props.theme.colors.agendaDayTextColor,
+                'dotColor': props.theme.colors.primary,
+                'selectedDotColor': '#ffffff',
+                'arrowColor': props.theme.colors.primary,
+                'monthTextColor': props.theme.colors.text,
+                'indicatorColor': props.theme.colors.primary,
+                'textDayFontFamily': 'monospace',
+                'textMonthFontFamily': 'monospace',
+                'textDayHeaderFontFamily': 'monospace',
+                'textDayFontWeight': '300',
+                'textMonthFontWeight': 'bold',
+                'textDayHeaderFontWeight': '300',
+                'textDayFontSize': 16,
+                'textMonthFontSize': 16,
+                'textDayHeaderFontSize': 16,
                 'stylesheet.day.period': {
                   base: {
                     overflow: 'hidden',
@@ -415,7 +445,7 @@ class EquipmentRentScreen extends React.Component<Props, StateType> {
                   },
                 },
               }}
-              style={{marginBottom: 50}}
+              style={styles.calendar}
             />
           </CollapsibleScrollView>
           <LoadingConfirmDialog
@@ -435,26 +465,14 @@ class EquipmentRentScreen extends React.Component<Props, StateType> {
           <Animatable.View
             ref={this.bookRef}
             useNativeDriver
-            style={{
-              position: 'absolute',
-              bottom: 0,
-              left: 0,
-              width: '100%',
-              flex: 1,
-              transform: [{translateY: 100}],
-            }}>
+            style={styles.buttonContainer}
+          >
             <Button
               icon="bookmark-check"
               mode="contained"
               onPress={this.showDialog}
-              style={{
-                width: '80%',
-                flex: 1,
-                marginLeft: 'auto',
-                marginRight: 'auto',
-                marginBottom: 20,
-                borderRadius: 10,
-              }}>
+              style={styles.button}
+            >
               {i18n.t('screens.equipment.bookButton')}
             </Button>
           </Animatable.View>

src/screens/Amicale/LoginScreen.tsx

@@ -37,6 +37,7 @@ import {MASCOT_STYLE} from '../../components/Mascot/Mascot';
 import MascotPopup from '../../components/Mascot/MascotPopup';
 import CollapsibleScrollView from '../../components/Collapsible/CollapsibleScrollView';
 import { MainStackParamsList } from '../../navigation/MainNavigator';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type LoginScreenNavigationProp = StackScreenProps<MainStackParamsList, 'login'>;
 
@@ -63,9 +64,6 @@ const RESET_PASSWORD_PATH = 'https://www.amicale-insat.fr/password/reset';
 const emailRegex = /^.+@.+\..+$/;
 
 const styles = StyleSheet.create({
-  container: {
-    flex: 1,
-  },
   card: {
     marginTop: 'auto',
     marginBottom: 'auto',
@@ -74,10 +72,18 @@ const styles = StyleSheet.create({
     fontSize: 36,
     marginBottom: 48,
   },
-  textInput: {},
-  btnContainer: {
-    marginTop: 5,
-    marginBottom: 10,
+  text: {
+    color: '#ffffff',
+  },
+  buttonContainer: {
+    flexWrap: 'wrap',
+  },
+  lockButton: {
+    marginRight: 'auto',
+    marginBottom: 20,
+  },
+  sendButton: {
+    marginLeft: 'auto',
   },
 });
 
@@ -113,7 +119,7 @@ class LoginScreen extends React.Component<Props, StateType> {
       dialogVisible: false,
       dialogError: 0,
       mascotDialogVisible: AsyncStorageManager.getBool(
-        AsyncStorageManager.PREFERENCES.loginShowMascot.key,
+        AsyncStorageManager.PREFERENCES.loginShowMascot.key
       ),
     };
   }
@@ -249,9 +255,9 @@ class LoginScreen extends React.Component<Props, StateType> {
       <View style={styles.card}>
         <Card.Title
           title={i18n.t('screens.login.title')}
-          titleStyle={{color: '#fff'}}
+          titleStyle={styles.text}
           subtitle={i18n.t('screens.login.subtitle')}
-          subtitleStyle={{color: '#fff'}}
+          subtitleStyle={styles.text}
           left={({ size }) => (
             <Image
               source={ICON_AMICALE}
@@ -264,13 +270,14 @@ class LoginScreen extends React.Component<Props, StateType> {
         />
         <Card.Content>
           {this.getFormInput()}
-          <Card.Actions style={{flexWrap: 'wrap'}}>
+          <Card.Actions style={styles.buttonContainer}>
             <Button
               icon="lock-question"
               mode="contained"
               onPress={this.onResetPasswordClick}
               color={props.theme.colors.warning}
-              style={{marginRight: 'auto', marginBottom: 20}}>
+              style={styles.lockButton}
+            >
               {i18n.t('screens.login.resetPassword')}
             </Button>
             <Button
@@ -279,7 +286,8 @@ class LoginScreen extends React.Component<Props, StateType> {
               disabled={!this.shouldEnableLogin()}
               loading={state.loading}
               onPress={this.onSubmit}
-              style={{marginLeft: 'auto'}}>
+              style={styles.sendButton}
+            >
               {i18n.t('screens.login.title')}
             </Button>
           </Card.Actions>
@@ -288,10 +296,8 @@ class LoginScreen extends React.Component<Props, StateType> {
               icon="help-circle"
               mode="contained"
               onPress={this.showMascotDialog}
-              style={{
-                marginLeft: 'auto',
-                marginRight: 'auto',
-              }}>
+              style={GENERAL_STYLES.centerHorizontal}
+            >
               {i18n.t('screens.login.mascotDialog.title')}
             </Button>
           </Card.Actions>
@@ -317,7 +323,7 @@ class LoginScreen extends React.Component<Props, StateType> {
   hideMascotDialog = () => {
     AsyncStorageManager.set(
       AsyncStorageManager.PREFERENCES.loginShowMascot.key,
-      false,
+      false
     );
     this.setState({ mascotDialogVisible: false });
   };
@@ -351,7 +357,7 @@ class LoginScreen extends React.Component<Props, StateType> {
     // Do not show the home login banner again
     AsyncStorageManager.set(
       AsyncStorageManager.PREFERENCES.homeShowMascot.key,
-      false,
+      false
     );
     if (this.nextScreen == null) {
       navigation.goBack();
@@ -423,20 +429,20 @@ class LoginScreen extends React.Component<Props, StateType> {
     const { mascotDialogVisible, dialogVisible, dialogError } = this.state;
     return (
       <LinearGradient
-        style={{
-          height: '100%',
-        }}
+        style={GENERAL_STYLES.flex}
         colors={['#9e0d18', '#530209']}
         start={{ x: 0, y: 0.1 }}
-        end={{x: 0.1, y: 1}}>
+        end={{ x: 0.1, y: 1 }}
+      >
         <KeyboardAvoidingView
           behavior="height"
-          contentContainerStyle={styles.container}
-          style={styles.container}
+          contentContainerStyle={GENERAL_STYLES.flex}
+          style={GENERAL_STYLES.flex}
           enabled
-          keyboardVerticalOffset={100}>
+          keyboardVerticalOffset={100}
+        >
           <CollapsibleScrollView>
-            <View style={{height: '100%'}}>{this.getMainCard()}</View>
+            <View style={GENERAL_STYLES.flex}>{this.getMainCard()}</View>
             <MascotPopup
               visible={mascotDialogVisible}
               title={i18n.t('screens.login.mascotDialog.title')}

src/screens/Amicale/ProfileScreen.tsx

@@ -41,6 +41,7 @@ import Mascot, {MASCOT_STYLE} from '../../components/Mascot/Mascot';
 import ServicesManager, { SERVICES_KEY } from '../../managers/ServicesManager';
 import CollapsibleFlatList from '../../components/Collapsible/CollapsibleFlatList';
 import type { ServiceItemType } from '../../managers/ServicesManager';
+import GENERAL_STYLES from '../../constants/Styles';
 
 type PropsType = {
   navigation: StackNavigationProp<any>;
@@ -79,6 +80,12 @@ const styles = StyleSheet.create({
   editButton: {
     marginLeft: 'auto',
   },
+  mascot: {
+    width: 60,
+  },
+  title: {
+    marginLeft: 10,
+  },
 });
 
 class ProfileScreen extends React.Component<PropsType, StateType> {
@@ -131,7 +138,7 @@ class ProfileScreen extends React.Component<PropsType, StateType> {
     const { dialogVisible } = this.state;
     this.data = data[0];
     return (
-      <View style={{flex: 1}}>
+      <View style={GENERAL_STYLES.flex}>
         <CollapsibleFlatList
           renderItem={this.getRenderItem}
           data={this.flatListData}
@@ -181,9 +188,7 @@ class ProfileScreen extends React.Component<PropsType, StateType> {
           })}
           left={() => (
             <Mascot
-              style={{
-                width: 60,
-              }}
+              style={styles.mascot}
               emotion={MASCOT_STYLE.COOL}
               animated
               entryAnimation={{
@@ -192,7 +197,7 @@ class ProfileScreen extends React.Component<PropsType, StateType> {
               }}
             />
           )}
-          titleStyle={{marginLeft: 10}}
+          titleStyle={styles.title}
         />
         <Card.Content>
           <Divider />
@@ -207,7 +212,8 @@ class ProfileScreen extends React.Component<PropsType, StateType> {
               onPress={() => {
                 navigation.navigate('feedback');
               }}
-              style={styles.editButton}>
+              style={styles.editButton}
+            >
               {i18n.t('screens.feedback.homeButtonTitle')}
             </Button>
           </Card.Actions>
@@ -297,7 +303,8 @@ class ProfileScreen extends React.Component<PropsType, StateType> {
                   title: i18n.t('screens.websites.amicale'),
                 });
               }}
-              style={styles.editButton}>
+              style={styles.editButton}
+            >
               {i18n.t('screens.profile.editInformation')}
             </Button>
           </Card.Actions>

src/screens/Amicale/VoteScreen.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {RefreshControl, View} from 'react-native';
+import { RefreshControl, StyleSheet, View } from 'react-native';
 import { StackNavigationProp } from '@react-navigation/stack';
 import i18n from 'i18n-js';
 import { Button } from 'react-native-paper';
@@ -33,6 +33,7 @@ import MascotPopup from '../../components/Mascot/MascotPopup';
 import AsyncStorageManager from '../../managers/AsyncStorageManager';
 import VoteNotAvailable from '../../components/Amicale/Vote/VoteNotAvailable';
 import CollapsibleFlatList from '../../components/Collapsible/CollapsibleFlatList';
+import GENERAL_STYLES from '../../constants/Styles';
 
 export type VoteTeamType = {
   id: number;
@@ -118,6 +119,14 @@ type StateType = {
   mascotDialogVisible: boolean;
 };
 
+const styles = StyleSheet.create({
+  button: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginTop: 20,
+  },
+});
+
 /**
  * Screen displaying vote information and controls
  */
@@ -146,7 +155,7 @@ export default class VoteScreen extends React.Component<PropsType, StateType> {
     this.state = {
       hasVoted: false,
       mascotDialogVisible: AsyncStorageManager.getBool(
-        AsyncStorageManager.PREFERENCES.voteShowMascot.key,
+        AsyncStorageManager.PREFERENCES.voteShowMascot.key
       ),
     };
     this.hasVoted = false;
@@ -182,11 +191,8 @@ export default class VoteScreen extends React.Component<PropsType, StateType> {
             mode="contained"
             icon="help-circle"
             onPress={this.showMascotDialog}
-            style={{
-              marginLeft: 'auto',
-              marginRight: 'auto',
-              marginTop: 20,
-            }}>
+            style={styles.button}
+          >
             {i18n.t('screens.vote.mascotDialog.title')}
           </Button>
         </View>
@@ -270,7 +276,7 @@ export default class VoteScreen extends React.Component<PropsType, StateType> {
           teams={this.teams}
           dateEnd={this.getDateString(
             this.dates.date_result_end,
-            this.datesString.date_result_end,
+            this.datesString.date_result_end
           )}
         />
       );
@@ -287,7 +293,7 @@ export default class VoteScreen extends React.Component<PropsType, StateType> {
         <VoteTease
           startDate={this.getDateString(
             this.dates.date_begin,
-            this.datesString.date_begin,
+            this.datesString.date_begin
           )}
         />
       );
@@ -308,7 +314,7 @@ export default class VoteScreen extends React.Component<PropsType, StateType> {
     ) {
       startDate = this.getDateString(
         this.dates.date_result_begin,
-        this.datesString.date_result_begin,
+        this.datesString.date_result_begin
       );
     }
     return (
@@ -345,7 +351,7 @@ export default class VoteScreen extends React.Component<PropsType, StateType> {
   hideMascotDialog = () => {
     AsyncStorageManager.set(
       AsyncStorageManager.PREFERENCES.voteShowMascot.key,
-      false,
+      false
     );
     this.setState({ mascotDialogVisible: false });
   };
@@ -414,7 +420,7 @@ export default class VoteScreen extends React.Component<PropsType, StateType> {
   render() {
     const { props, state } = this;
     return (
-      <View style={{flex: 1}}>
+      <View style={GENERAL_STYLES.flex}>
         <AuthenticatedScreen<TeamResponseType | VoteDatesStringType>
           navigation={props.navigation}
           ref={this.authRef}

src/screens/Game/Shapes/BaseShape.ts

@@ -17,8 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 export type CoordinatesType = {
   x: number;
   y: number;

src/screens/Game/__tests__/GridManager.test.js

@@ -17,9 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-/* eslint-disable */
-
-import React from 'react';
 import GridManager from '../logic/GridManager';
 import ScoreManager from '../logic/ScoreManager';
 import Piece from '../logic/Piece';

src/screens/Game/__tests__/Piece.test.js

@@ -17,9 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-/* eslint-disable */
-
-import React from 'react';
 import Piece from '../logic/Piece';
 import ShapeI from '../Shapes/ShapeI';
 
@@ -33,9 +30,7 @@ let theme = {
 jest.mock('../Shapes/ShapeI');
 
 beforeAll(() => {
-  jest
-    .spyOn(Piece.prototype, 'getRandomShape')
-    .mockImplementation((colors: Object) => {
+  jest.spyOn(Piece.prototype, 'getRandomShape').mockImplementation((colors) => {
     return new ShapeI(colors);
   });
 });

src/screens/Game/__tests__/ScoreManager.test.js

@@ -17,9 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-/* eslint-disable */
-
-import React from 'react';
 import ScoreManager from '../logic/ScoreManager';
 
 test('incrementScore', () => {

src/screens/Game/__tests__/Shape.test.js

@@ -17,9 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-/* eslint-disable */
-
-import React from 'react';
 import BaseShape from '../Shapes/BaseShape';
 import ShapeI from '../Shapes/ShapeI';
 

src/screens/Game/components/CellComponent.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 
 export type CellType = { color: string; isEmpty: boolean; key: string };
 
@@ -26,17 +26,24 @@ type PropsType = {
   cell: CellType;
 };
 
-function CellComponent(props: PropsType) {
-  const item = props.cell;
-  return (
-    <View
-      style={{
+const styles = StyleSheet.create({
+  cell: {
     flex: 1,
-        backgroundColor: item.isEmpty ? 'transparent' : item.color,
     borderColor: 'transparent',
     borderRadius: 4,
     borderWidth: 1,
     aspectRatio: 1,
+  },
+});
+
+function CellComponent(props: PropsType) {
+  const item = props.cell;
+  const backgroundColor = item.isEmpty ? 'transparent' : item.color;
+  return (
+    <View
+      style={{
+        backgroundColor: backgroundColor,
+        ...styles.cell,
       }}
     />
   );

src/screens/Game/components/GridComponent.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {View, ViewStyle} from 'react-native';
+import { StyleSheet, View, ViewStyle } from 'react-native';
 import type { CellType } from './CellComponent';
 import CellComponent from './CellComponent';
 
@@ -31,13 +31,22 @@ type PropsType = {
   style: ViewStyle;
 };
 
+const styles = StyleSheet.create({
+  row: {
+    flexDirection: 'row',
+  },
+  grid: {
+    borderRadius: 4,
+  },
+});
+
 const getCellRender = (item: CellType) => {
   return <CellComponent cell={item} key={item.key} />;
 };
 
 function getRow(grid: GridType, rowNumber: number) {
   return (
-    <View style={{flexDirection: 'row'}} key={rowNumber.toString()}>
+    <View style={styles.row} key={rowNumber.toString()}>
       {grid[rowNumber].map(getCellRender)}
     </View>
   );
@@ -57,9 +66,10 @@ function GridComponent(props: PropsType) {
     <View
       style={{
         aspectRatio: width / height,
-        borderRadius: 4,
         ...style,
-      }}>
+        ...styles.grid,
+      }}
+    >
       {getGrid(grid, height)}
     </View>
   );

src/screens/Game/components/Preview.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {View, ViewStyle} from 'react-native';
+import { StyleSheet, View, ViewStyle } from 'react-native';
 import type { GridType } from './GridComponent';
 import GridComponent from './GridComponent';
 
@@ -27,17 +27,21 @@ type PropsType = {
   style: ViewStyle;
 };
 
+const styles = StyleSheet.create({
+  grid: {
+    marginRight: 5,
+    marginLeft: 5,
+    marginBottom: 5,
+  },
+});
+
 function getGridRender(item: GridType, index: number) {
   return (
     <GridComponent
       width={item[0].length}
       height={item.length}
       grid={item}
-      style={{
-        marginRight: 5,
-        marginLeft: 5,
-        marginBottom: 5,
-      }}
+      style={styles.grid}
       key={index.toString()}
     />
   );

src/screens/Game/logic/GameLogic.ts

@@ -25,7 +25,7 @@ import type {GridType} from '../components/GridComponent';
 export type TickCallbackType = (
   score: number,
   level: number,
-  grid: GridType,
+  grid: GridType
 ) => void;
 
 export type ClockCallbackType = (time: number) => void;
@@ -33,7 +33,7 @@ export type ClockCallbackType = (time: number) => void;
 export type EndCallbackType = (
   time: number,
   score: number,
-  isRestart: boolean,
+  isRestart: boolean
 ) => void;
 
 export type MovementCallbackType = (grid: GridType, score?: number) => void;
@@ -101,7 +101,7 @@ export default class GameLogic {
     this.gridManager = new GridManager(
       this.getWidth(),
       this.getHeight(),
-      this.theme,
+      this.theme
     );
   }
 
@@ -179,14 +179,14 @@ export default class GameLogic {
         this.gridManager.getCurrentGrid(),
         this.getWidth(),
         this.getHeight(),
-        this.onFreeze,
+        this.onFreeze
       );
     }
     if (callback) {
       callback(
         this.scoreManager.getScore(),
         this.scoreManager.getLevel(),
-        this.gridManager.getCurrentGrid(),
+        this.gridManager.getCurrentGrid()
       );
     }
     if (this.scoreManager.canLevelUp()) {
@@ -224,7 +224,7 @@ export default class GameLogic {
     isInitial: boolean,
     callback: MovementCallbackType,
     x: number,
-    y: number,
+    y: number
   ) {
     if (!this.canUseInput() || !this.isPressedIn) {
       return;
@@ -237,14 +237,14 @@ export default class GameLogic {
         this.gridManager.getCurrentGrid(),
         this.getWidth(),
         this.getHeight(),
-        this.onFreeze,
+        this.onFreeze
       );
     if (moved) {
       if (y === 1) {
         this.scoreManager.incrementScore();
         callback(
           this.gridManager.getCurrentGrid(),
-          this.scoreManager.getScore(),
+          this.scoreManager.getScore()
         );
       } else {
         callback(this.gridManager.getCurrentGrid());
@@ -254,7 +254,7 @@ export default class GameLogic {
       () => {
         this.movePressedRepeat(false, callback, x, y);
       },
-      isInitial ? this.autoRepeatActivationDelay : this.autoRepeatDelay,
+      isInitial ? this.autoRepeatActivationDelay : this.autoRepeatDelay
     );
   }
 
@@ -275,7 +275,7 @@ export default class GameLogic {
       this.currentObject.tryRotate(
         this.gridManager.getCurrentGrid(),
         this.getWidth(),
-        this.getHeight(),
+        this.getHeight()
       )
     ) {
       callback(this.gridManager.getCurrentGrid());
@@ -315,7 +315,7 @@ export default class GameLogic {
       !this.currentObject.isPositionValid(
         this.gridManager.getCurrentGrid(),
         this.getWidth(),
-        this.getHeight(),
+        this.getHeight()
       )
     ) {
       this.endGame(false);
@@ -346,7 +346,7 @@ export default class GameLogic {
   startGame(
     tickCallback: TickCallbackType,
     clockCallback: ClockCallbackType,
-    endCallback: EndCallbackType,
+    endCallback: EndCallbackType
   ) {
     if (this.gameRunning) {
       this.endGame(true);
@@ -359,7 +359,7 @@ export default class GameLogic {
     this.gridManager = new GridManager(
       this.getWidth(),
       this.getHeight(),
-      this.theme,
+      this.theme
     );
     this.nextPieces = [];
     this.generateNextPieces();
@@ -367,7 +367,7 @@ export default class GameLogic {
     tickCallback(
       this.scoreManager.getScore(),
       this.scoreManager.getLevel(),
-      this.gridManager.getCurrentGrid(),
+      this.gridManager.getCurrentGrid()
     );
     clockCallback(this.gameTime);
     this.startTick();

src/screens/Game/logic/GridManager.ts

@@ -134,7 +134,7 @@ export default class GridManager {
   freezeTetromino(currentObject: Piece, scoreManager: ScoreManager) {
     this.clearLines(
       this.getLinesToClear(currentObject.getCoordinates()),
-      scoreManager,
+      scoreManager
     );
   }
 }

src/screens/Game/logic/Piece.ts

@@ -66,7 +66,7 @@ export default class Piece {
    */
   removeFromGrid(grid: GridType) {
     const pos: Array<CoordinatesType> = this.currentShape.getCellsCoordinates(
-      true,
+      true
     );
     pos.forEach((coordinates: CoordinatesType) => {
       grid[coordinates.y][coordinates.x] = {
@@ -85,7 +85,7 @@ export default class Piece {
    */
   toGrid(grid: GridType, isPreview: boolean) {
     const pos: Array<CoordinatesType> = this.currentShape.getCellsCoordinates(
-      !isPreview,
+      !isPreview
     );
     pos.forEach((coordinates: CoordinatesType) => {
       grid[coordinates.y][coordinates.x] = {
@@ -107,7 +107,7 @@ export default class Piece {
   isPositionValid(grid: GridType, width: number, height: number): boolean {
     let isValid = true;
     const pos: Array<CoordinatesType> = this.currentShape.getCellsCoordinates(
-      true,
+      true
     );
     for (let i = 0; i < pos.length; i += 1) {
       if (
@@ -141,7 +141,7 @@ export default class Piece {
     grid: GridType,
     width: number,
     height: number,
-    freezeCallback: () => void,
+    freezeCallback: () => void
   ): boolean {
     let newX = x;
     let newY = y;

src/screens/Game/screens/GameMainScreen.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import { Caption, IconButton, Text, withTheme } from 'react-native-paper';
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons';
 import i18n from 'i18n-js';
@@ -32,6 +32,7 @@ import MaterialHeaderButtons, {
 } from '../../../components/Overrides/CustomHeaderButton';
 import type { OptionsDialogButtonType } from '../../../components/Dialogs/OptionsDialog';
 import OptionsDialog from '../../../components/Dialogs/OptionsDialog';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type PropsType = {
   navigation: StackNavigationProp<any>;
@@ -52,6 +53,67 @@ type StateType = {
   onDialogDismiss: () => void;
 };
 
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    flexDirection: 'row',
+  },
+  gridContainer: {
+    flex: 4,
+  },
+  centerSmallMargin: {
+    ...GENERAL_STYLES.centerHorizontal,
+    marginBottom: 5,
+  },
+  centerVerticalSmallMargin: {
+    ...GENERAL_STYLES.centerVertical,
+    marginLeft: 5,
+  },
+  centerBigMargin: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginBottom: 20,
+  },
+  statusContainer: {
+    flexDirection: 'row',
+  },
+  statusIcon: {
+    marginLeft: 5,
+  },
+  scoreMainContainer: {
+    marginTop: 10,
+    marginBottom: 10,
+  },
+  scoreCurrentContainer: {
+    flexDirection: 'row',
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+  scoreText: {
+    marginLeft: 5,
+    fontSize: 20,
+  },
+  scoreBestContainer: {
+    flexDirection: 'row',
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginTop: 5,
+  },
+  controlsContainer: {
+    height: 80,
+    flexDirection: 'row',
+  },
+  directionsContainer: {
+    flexDirection: 'row',
+    flex: 4,
+  },
+  preview: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginTop: 10,
+  },
+});
+
 class GameMainScreen extends React.Component<PropsType, StateType> {
   static getFormattedTime(seconds: number): string {
     const date = new Date();
@@ -151,27 +213,15 @@ class GameMainScreen extends React.Component<PropsType, StateType> {
     return (
       <View
         style={{
-          flex: 1,
-          marginTop: 'auto',
-          marginBottom: 'auto',
-        }}>
-        <View
-          style={{
-            marginLeft: 'auto',
-            marginRight: 'auto',
-          }}>
-          <Caption
-            style={{
-              marginLeft: 'auto',
-              marginRight: 'auto',
-              marginBottom: 5,
-            }}>
+          ...GENERAL_STYLES.flex,
+          ...GENERAL_STYLES.centerVertical,
+        }}
+      >
+        <View style={GENERAL_STYLES.centerHorizontal}>
+          <Caption style={styles.centerSmallMargin}>
             {i18n.t('screens.game.time')}
           </Caption>
-          <View
-            style={{
-              flexDirection: 'row',
-            }}>
+          <View style={styles.statusContainer}>
             <MaterialCommunityIcons
               name="timer"
               color={props.theme.colors.subtitle}
@@ -179,42 +229,25 @@ class GameMainScreen extends React.Component<PropsType, StateType> {
             />
             <Text
               style={{
-                marginLeft: 5,
+                ...styles.statusIcon,
                 color: props.theme.colors.subtitle,
-              }}>
+              }}
+            >
               {GameMainScreen.getFormattedTime(state.gameTime)}
             </Text>
           </View>
         </View>
-        <View
-          style={{
-            marginLeft: 'auto',
-            marginRight: 'auto',
-            marginTop: 20,
-          }}>
-          <Caption
-            style={{
-              marginLeft: 'auto',
-              marginRight: 'auto',
-              marginBottom: 5,
-            }}>
+        <View style={styles.centerBigMargin}>
+          <Caption style={styles.centerSmallMargin}>
             {i18n.t('screens.game.level')}
           </Caption>
-          <View
-            style={{
-              flexDirection: 'row',
-            }}>
+          <View style={styles.statusContainer}>
             <MaterialCommunityIcons
               name="gamepad-square"
               color={props.theme.colors.text}
               size={20}
             />
-            <Text
-              style={{
-                marginLeft: 5,
-              }}>
-              {state.gameLevel}
-            </Text>
+            <Text style={styles.statusIcon}>{state.gameLevel}</Text>
           </View>
         </View>
       </View>
@@ -228,59 +261,32 @@ class GameMainScreen extends React.Component<PropsType, StateType> {
         ? state.gameScore
         : this.highScore;
     return (
-      <View
-        style={{
-          marginTop: 10,
-          marginBottom: 10,
-        }}>
-        <View
-          style={{
-            flexDirection: 'row',
-            marginLeft: 'auto',
-            marginRight: 'auto',
-          }}>
-          <Text
-            style={{
-              marginLeft: 5,
-              fontSize: 20,
-            }}>
+      <View style={styles.scoreMainContainer}>
+        <View style={styles.scoreCurrentContainer}>
+          <Text style={styles.scoreText}>
             {i18n.t('screens.game.score', { score: state.gameScore })}
           </Text>
           <MaterialCommunityIcons
             name="star"
             color={props.theme.colors.tetrisScore}
             size={20}
-            style={{
-              marginTop: 'auto',
-              marginBottom: 'auto',
-              marginLeft: 5,
-            }}
+            style={styles.centerVerticalSmallMargin}
           />
         </View>
-        <View
-          style={{
-            flexDirection: 'row',
-            marginLeft: 'auto',
-            marginRight: 'auto',
-            marginTop: 5,
-          }}>
+        <View style={styles.scoreBestContainer}>
           <Text
             style={{
-              marginLeft: 5,
-              fontSize: 10,
+              ...styles.scoreText,
               color: props.theme.colors.textDisabled,
-            }}>
+            }}
+          >
             {i18n.t('screens.game.highScore', { score: highScore })}
           </Text>
           <MaterialCommunityIcons
             name="star"
             color={props.theme.colors.tetrisScore}
             size={10}
-            style={{
-              marginTop: 'auto',
-              marginBottom: 'auto',
-              marginLeft: 5,
-            }}
+            style={styles.centerVerticalSmallMargin}
           />
         </View>
       </View>
@@ -290,28 +296,20 @@ class GameMainScreen extends React.Component<PropsType, StateType> {
   getControlButtons() {
     const { props } = this;
     return (
-      <View
-        style={{
-          height: 80,
-          flexDirection: 'row',
-        }}>
+      <View style={styles.controlsContainer}>
         <IconButton
           icon="rotate-right-variant"
           size={40}
           onPress={() => {
             this.logic.rotatePressed(this.updateGrid);
           }}
-          style={{flex: 1}}
+          style={GENERAL_STYLES.flex}
         />
-        <View
-          style={{
-            flexDirection: 'row',
-            flex: 4,
-          }}>
+        <View style={styles.directionsContainer}>
           <IconButton
             icon="chevron-left"
             size={40}
-            style={{flex: 1}}
+            style={GENERAL_STYLES.flex}
             onPress={() => {
               this.logic.pressedOut();
             }}
@@ -322,7 +320,7 @@ class GameMainScreen extends React.Component<PropsType, StateType> {
           <IconButton
             icon="chevron-right"
             size={40}
-            style={{flex: 1}}
+            style={GENERAL_STYLES.flex}
             onPress={() => {
               this.logic.pressedOut();
             }}
@@ -340,7 +338,7 @@ class GameMainScreen extends React.Component<PropsType, StateType> {
           onPress={() => {
             this.logic.pressedOut();
           }}
-          style={{flex: 1}}
+          style={GENERAL_STYLES.flex}
           color={props.theme.colors.tetrisScore}
         />
       </View>
@@ -422,14 +420,10 @@ class GameMainScreen extends React.Component<PropsType, StateType> {
   render() {
     const { props, state } = this;
     return (
-      <View style={{flex: 1}}>
-        <View
-          style={{
-            flex: 1,
-            flexDirection: 'row',
-          }}>
+      <View style={GENERAL_STYLES.flex}>
+        <View style={styles.container}>
           {this.getStatusIcons()}
-          <View style={{flex: 4}}>
+          <View style={styles.gridContainer}>
             {this.getScoreIcon()}
             <GridComponent
               width={this.logic.getWidth()}
@@ -437,21 +431,16 @@ class GameMainScreen extends React.Component<PropsType, StateType> {
               grid={state.grid}
               style={{
                 backgroundColor: props.theme.colors.tetrisBackground,
-                flex: 1,
-                marginLeft: 'auto',
-                marginRight: 'auto',
+                ...GENERAL_STYLES.flex,
+                ...GENERAL_STYLES.centerHorizontal,
               }}
             />
           </View>
 
-          <View style={{flex: 1}}>
+          <View style={GENERAL_STYLES.flex}>
             <Preview
               items={this.logic.getNextPiecesPreviews()}
-              style={{
-                marginLeft: 'auto',
-                marginRight: 'auto',
-                marginTop: 10,
-              }}
+              style={styles.preview}
             />
           </View>
         </View>

src/screens/Game/screens/GameStartScreen.tsx

@@ -28,7 +28,7 @@ import {
   Text,
   withTheme,
 } from 'react-native-paper';
-import {View} from 'react-native';
+import { StyleSheet, View } from 'react-native';
 import i18n from 'i18n-js';
 import * as Animatable from 'react-native-animatable';
 import MaterialCommunityIcons from 'react-native-vector-icons/MaterialCommunityIcons';
@@ -42,6 +42,7 @@ import GridManager from '../logic/GridManager';
 import Piece from '../logic/Piece';
 import SpeechArrow from '../../../components/Mascot/SpeechArrow';
 import CollapsibleScrollView from '../../../components/Collapsible/CollapsibleScrollView';
+import GENERAL_STYLES from '../../../constants/Styles';
 
 type GameStatsType = {
   score: number;
@@ -57,6 +58,87 @@ type PropsType = {
   theme: ReactNativePaper.Theme;
 };
 
+const styles = StyleSheet.create({
+  pieceContainer: {
+    position: 'absolute',
+    width: '100%',
+    height: '100%',
+  },
+  pieceBackground: {
+    position: 'absolute',
+  },
+  playButton: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginTop: 10,
+  },
+  recapCard: {
+    borderWidth: 2,
+    marginLeft: 20,
+    marginRight: 20,
+  },
+  recapContainer: {
+    flexDirection: 'row',
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+  recapScoreContainer: {
+    flexDirection: 'row',
+    marginLeft: 'auto',
+    marginRight: 'auto',
+    marginTop: 10,
+    marginBottom: 10,
+  },
+  recapScore: {
+    fontSize: 20,
+  },
+  recapScoreIcon: {
+    marginLeft: 5,
+  },
+  recapIcon: {
+    marginRight: 5,
+    marginLeft: 5,
+  },
+  welcomeMascot: {
+    width: '40%',
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+  welcomeCard: {
+    borderWidth: 2,
+    marginLeft: 10,
+    marginRight: 10,
+  },
+  centertext: {
+    textAlign: 'center',
+  },
+  welcomeText: {
+    textAlign: 'center',
+    marginTop: 10,
+  },
+  speechArrow: {
+    marginLeft: '60%',
+  },
+  podiumContainer: {
+    flexDirection: 'column',
+    alignItems: 'center',
+    justifyContent: 'flex-end',
+  },
+  podiumIconContainer: {
+    position: 'absolute',
+    top: -20,
+  },
+  topScoreContainer: {
+    marginBottom: 20,
+    marginTop: 20,
+  },
+  topScoreSubcontainer: {
+    flexDirection: 'row',
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+});
+
 class GameStartScreen extends React.Component<PropsType> {
   gridManager: GridManager;
 
@@ -71,7 +153,7 @@ class GameStartScreen extends React.Component<PropsType> {
     this.isHighScore = false;
     this.gridManager = new GridManager(4, 4, props.theme);
     this.scores = AsyncStorageManager.getObject(
-      AsyncStorageManager.PREFERENCES.gameScores.key,
+      AsyncStorageManager.PREFERENCES.gameScores.key
     );
     this.scores.sort((a: number, b: number): number => b - a);
     if (props.route.params != null) {
@@ -88,12 +170,7 @@ class GameStartScreen extends React.Component<PropsType> {
       piece.toGrid(gridList[i], true);
     }
     return (
-      <View
-        style={{
-          position: 'absolute',
-          width: '100%',
-          height: '100%',
-        }}>
+      <View style={styles.pieceContainer}>
         {gridList.map((item: GridType, index: number) => {
           const size = 10 + Math.floor(Math.random() * 30);
           const top = Math.floor(Math.random() * 100);
@@ -110,10 +187,11 @@ class GameStartScreen extends React.Component<PropsType> {
               key={`piece${index.toString()}`}
               style={{
                 width: `${size}%`,
-                position: 'absolute',
                 top: `${top}%`,
                 left: `${left}%`,
-              }}>
+                ...styles.pieceBackground,
+              }}
+            >
               <GridComponent
                 width={4}
                 height={4}
@@ -131,98 +209,71 @@ class GameStartScreen extends React.Component<PropsType> {
 
   getPostGameContent(stats: GameStatsType) {
     const { props } = this;
+    const width = this.isHighScore ? '50%' : '30%';
+    const margin = this.isHighScore ? 'auto' : undefined;
+    const marginLeft = this.isHighScore ? '60%' : '20%';
+    const color = this.isHighScore
+      ? props.theme.colors.gameGold
+      : props.theme.colors.primary;
     return (
-      <View
-        style={{
-          flex: 1,
-        }}>
+      <View style={GENERAL_STYLES.flex}>
         <Mascot
           emotion={this.isHighScore ? MASCOT_STYLE.LOVE : MASCOT_STYLE.NORMAL}
           animated={this.isHighScore}
           style={{
-            width: this.isHighScore ? '50%' : '30%',
-            marginLeft: this.isHighScore ? 'auto' : undefined,
-            marginRight: this.isHighScore ? 'auto' : undefined,
+            width: width,
+            marginLeft: margin,
+            marginRight: margin,
           }}
         />
         <SpeechArrow
-          style={{marginLeft: this.isHighScore ? '60%' : '20%'}}
+          style={{ marginLeft: marginLeft }}
           size={20}
           color={props.theme.colors.mascotMessageArrow}
         />
         <Card
           style={{
             borderColor: props.theme.colors.mascotMessageArrow,
-            borderWidth: 2,
-            marginLeft: 20,
-            marginRight: 20,
-          }}>
+            ...styles.recapCard,
+          }}
+        >
           <Card.Content>
             <Headline
               style={{
-                textAlign: 'center',
-                color: this.isHighScore
-                  ? props.theme.colors.gameGold
-                  : props.theme.colors.primary,
-              }}>
+                color: color,
+                ...styles.centertext,
+              }}
+            >
               {this.isHighScore
                 ? i18n.t('screens.game.newHighScore')
                 : i18n.t('screens.game.gameOver')}
             </Headline>
             <Divider />
-            <View
-              style={{
-                flexDirection: 'row',
-                marginLeft: 'auto',
-                marginRight: 'auto',
-                marginTop: 10,
-                marginBottom: 10,
-              }}>
-              <Text
-                style={{
-                  fontSize: 20,
-                }}>
+            <View style={styles.recapScoreContainer}>
+              <Text style={styles.recapScore}>
                 {i18n.t('screens.game.score', { score: stats.score })}
               </Text>
               <MaterialCommunityIcons
                 name="star"
                 color={props.theme.colors.tetrisScore}
                 size={30}
-                style={{
-                  marginLeft: 5,
-                }}
+                style={styles.recapScoreIcon}
               />
             </View>
-            <View
-              style={{
-                flexDirection: 'row',
-                marginLeft: 'auto',
-                marginRight: 'auto',
-              }}>
+            <View style={styles.recapContainer}>
               <Text>{i18n.t('screens.game.level')}</Text>
               <MaterialCommunityIcons
-                style={{
-                  marginRight: 5,
-                  marginLeft: 5,
-                }}
+                style={styles.recapIcon}
                 name="gamepad-square"
                 size={20}
                 color={props.theme.colors.textDisabled}
               />
               <Text>{stats.level}</Text>
             </View>
-            <View
-              style={{
-                flexDirection: 'row',
-                marginLeft: 'auto',
-                marginRight: 'auto',
-              }}>
+            <View style={styles.recapContainer}>
               <Text>{i18n.t('screens.game.time')}</Text>
               <MaterialCommunityIcons
-                style={{
-                  marginRight: 5,
-                  marginLeft: 5,
-                }}
+                style={styles.recapIcon}
                 name="timer"
                 size={20}
                 color={props.theme.colors.textDisabled}
@@ -239,40 +290,29 @@ class GameStartScreen extends React.Component<PropsType> {
     const { props } = this;
     return (
       <View>
-        <Mascot
-          emotion={MASCOT_STYLE.COOL}
-          style={{
-            width: '40%',
-            marginLeft: 'auto',
-            marginRight: 'auto',
-          }}
-        />
+        <Mascot emotion={MASCOT_STYLE.COOL} style={styles.welcomeMascot} />
         <SpeechArrow
-          style={{marginLeft: '60%'}}
+          style={styles.speechArrow}
           size={20}
           color={props.theme.colors.mascotMessageArrow}
         />
         <Card
           style={{
             borderColor: props.theme.colors.mascotMessageArrow,
-            borderWidth: 2,
-            marginLeft: 10,
-            marginRight: 10,
-          }}>
+            ...styles.welcomeCard,
+          }}
+        >
           <Card.Content>
             <Headline
               style={{
-                textAlign: 'center',
                 color: props.theme.colors.primary,
-              }}>
+                ...styles.centertext,
+              }}
+            >
               {i18n.t('screens.game.welcomeTitle')}
             </Headline>
             <Divider />
-            <Paragraph
-              style={{
-                textAlign: 'center',
-                marginTop: 10,
-              }}>
+            <Paragraph style={styles.welcomeText}>
               {i18n.t('screens.game.welcomeMessage')}
             </Paragraph>
           </Card.Content>
@@ -298,15 +338,17 @@ class GameStartScreen extends React.Component<PropsType> {
       fontSize = 15;
       size = 50;
     }
+    const marginLeft = place === 2 ? 20 : 'auto';
+    const marginRight = place === 3 ? 20 : 'auto';
+    const fontWeight = place === 1 ? 'bold' : undefined;
     return (
       <View
         style={{
-          marginLeft: place === 2 ? 20 : 'auto',
-          marginRight: place === 3 ? 20 : 'auto',
-          flexDirection: 'column',
-          alignItems: 'center',
-          justifyContent: 'flex-end',
-        }}>
+          marginLeft: marginLeft,
+          marginRight: marginRight,
+          ...styles.podiumContainer,
+        }}
+      >
         {this.isHighScore && place === 1 ? (
           <Animatable.View
             animation="swing"
@@ -314,14 +356,13 @@ class GameStartScreen extends React.Component<PropsType> {
             duration={2000}
             delay={1000}
             useNativeDriver
-            style={{
-              position: 'absolute',
-              top: -20,
-            }}>
+            style={styles.podiumIconContainer}
+          >
             <Animatable.View
               animation="pulse"
               iterationCount="infinite"
-              useNativeDriver>
+              useNativeDriver
+            >
               <MaterialCommunityIcons
                 name="decagram"
                 color={props.theme.colors.gameGold}
@@ -337,10 +378,11 @@ class GameStartScreen extends React.Component<PropsType> {
         />
         <Text
           style={{
-            textAlign: 'center',
-            fontWeight: place === 1 ? 'bold' : undefined,
+            fontWeight: fontWeight,
             fontSize,
-          }}>
+            ...styles.centertext,
+          }}
+        >
           {score}
         </Text>
       </View>
@@ -352,18 +394,9 @@ class GameStartScreen extends React.Component<PropsType> {
     const silver = this.scores.length > 1 ? this.scores[1] : '-';
     const bronze = this.scores.length > 2 ? this.scores[2] : '-';
     return (
-      <View
-        style={{
-          marginBottom: 20,
-          marginTop: 20,
-        }}>
+      <View style={styles.topScoreContainer}>
         {this.getPodiumRender(1, gold.toString())}
-        <View
-          style={{
-            flexDirection: 'row',
-            marginLeft: 'auto',
-            marginRight: 'auto',
-          }}>
+        <View style={styles.topScoreSubcontainer}>
           {this.getPodiumRender(3, bronze.toString())}
           {this.getPodiumRender(2, silver.toString())}
         </View>
@@ -374,7 +407,7 @@ class GameStartScreen extends React.Component<PropsType> {
   getMainContent() {
     const { props } = this;
     return (
-      <View style={{flex: 1}}>
+      <View style={GENERAL_STYLES.flex}>
         {this.gameStats != null
           ? this.getPostGameContent(this.gameStats)
           : this.getWelcomeText()}
@@ -386,11 +419,8 @@ class GameStartScreen extends React.Component<PropsType> {
               highScore: this.scores.length > 0 ? this.scores[0] : null,
             });
           }}
-          style={{
-            marginLeft: 'auto',
-            marginRight: 'auto',
-            marginTop: 10,
-          }}>
+          style={styles.playButton}
+        >
           {i18n.t('screens.game.play')}
         </Button>
         {this.getTopScoresRender()}
@@ -420,7 +450,7 @@ class GameStartScreen extends React.Component<PropsType> {
       }
       AsyncStorageManager.set(
         AsyncStorageManager.PREFERENCES.gameScores.key,
-        this.scores,
+        this.scores
       );
     }
   }
@@ -428,16 +458,17 @@ class GameStartScreen extends React.Component<PropsType> {
   render() {
     const { props } = this;
     return (
-      <View style={{flex: 1}}>
+      <View style={GENERAL_STYLES.flex}>
         {this.getPiecesBackground()}
         <LinearGradient
-          style={{flex: 1}}
+          style={GENERAL_STYLES.flex}
           colors={[
             `${props.theme.colors.background}00`,
             props.theme.colors.background,
           ]}
           start={{ x: 0, y: 0 }}
-          end={{x: 0, y: 1}}>
+          end={{ x: 0, y: 1 }}
+        >
           <CollapsibleScrollView>
             {this.getMainContent()}
             <MascotPopup

src/screens/Home/FeedItemScreen.tsx

@@ -18,7 +18,7 @@
  */
 
 import * as React from 'react';
-import {Linking, Image} from 'react-native';
+import { Linking, Image, StyleSheet } from 'react-native';
 import { Card, Text } from 'react-native-paper';
 import Autolink from 'react-native-autolink';
 import { StackNavigationProp } from '@react-navigation/stack';
@@ -39,6 +39,22 @@ type PropsType = {
   route: { params: { data: FeedItemType; date: string } };
 };
 
+const styles = StyleSheet.create({
+  container: {
+    margin: 5,
+  },
+  image: {
+    width: 48,
+    height: 48,
+  },
+  button: {
+    width: 250,
+    height: 250,
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+});
+
 /**
  * Class defining a feed item page.
  */
@@ -89,32 +105,21 @@ class FeedItemScreen extends React.Component<PropsType> {
     const pageSource: NewsSourceType =
       NewsSourcesConstants[this.displayData.page_id as AvailablePages];
     return (
-      <CollapsibleScrollView style={{margin: 5}} hasTab>
+      <CollapsibleScrollView style={styles.container} hasTab>
         <Card.Title
           title={pageSource.name}
           subtitle={this.date}
-          left={() => (
-            <Image
-              source={pageSource.icon}
-              style={{
-                width: 48,
-                height: 48,
-              }}
-            />
-          )}
+          left={() => <Image source={pageSource.icon} style={styles.image} />}
         />
         {this.displayData.image ? (
           <ImageGalleryButton
             images={[{ url: this.displayData.image }]}
-            style={{
-              width: 250,
-              height: 250,
-              marginLeft: 'auto',
-              marginRight: 'auto',
-            }}
+            style={styles.button}
           />
         ) : null}
-        <Card.Content style={{paddingBottom: CustomTabBar.TAB_BAR_HEIGHT + 20}}>
+        <Card.Content
+          style={{ paddingBottom: CustomTabBar.TAB_BAR_HEIGHT + 20 }}
+        >
           {this.displayData.message !== undefined ? (
             <Autolink
               text={this.displayData.message}