diff --git a/components/BaseContainer.js b/components/BaseContainer.js
index 4da6b7e..e712347 100644
--- a/components/BaseContainer.js
+++ b/components/BaseContainer.js
@@ -45,12 +45,14 @@ export default class BaseContainer extends React.Component<Props, State> {
         isHeaderVisible: true,
     };
 
+    onDrawerPress: Function;
+
     constructor() {
         super();
-        this.toggle = this.toggle.bind(this);
+        this.onDrawerPress = this.onDrawerPress.bind(this);
     }
 
-    toggle() {
+    onDrawerPress() {
         this.props.navigation.toggleDrawer();
     }
 
@@ -111,7 +113,7 @@ export default class BaseContainer extends React.Component<Props, State> {
                         leftButton={
                             <Touchable
                                 style={{padding: 6}}
-                                onPress={this.toggle}>
+                                onPress={this.onDrawerPress}>
                                 <CustomMaterialIcon
                                     color={Platform.OS === 'ios' ? ThemeManager.getCurrentThemeVariables().brandPrimary : "#fff"}
                                     icon="menu"/>
diff --git a/components/CustomHeader.js b/components/CustomHeader.js
index 8b935fd..cb6bdda 100644
--- a/components/CustomHeader.js
+++ b/components/CustomHeader.js
@@ -44,6 +44,8 @@ export default class CustomHeader extends React.Component<Props> {
         hasTabs: false,
     };
 
+    onPressBack: Function;
+
     constructor() {
         super();
         this.onPressBack = this.onPressBack.bind(this);
@@ -80,7 +82,7 @@ export default class CustomHeader extends React.Component<Props> {
                         color={ThemeManager.getCurrentThemeVariables().toolbarBtnColor}/>
                     <Input
                         ref="searchInput"
-                        placeholder={i18n.t('proximoScreen.search')}
+                        placeholder={i18n.t('proximoScreen.onSearchStringChange')}
                         placeholderTextColor={ThemeManager.getCurrentThemeVariables().toolbarPlaceholderColor}
                         onChangeText={this.props.searchCallback}/>
                 </Item>
diff --git a/components/FetchedDataSectionList.js b/components/FetchedDataSectionList.js
index 781f504..75c763c 100644
--- a/components/FetchedDataSectionList.js
+++ b/components/FetchedDataSectionList.js
@@ -41,12 +41,18 @@ export default class FetchedDataSectionList extends React.Component<Props, State
         machinesWatched: [],
     };
 
+    onRefresh: Function;
+    renderSectionHeaderEmpty: Function;
+    renderSectionHeaderNotEmpty: Function;
+    renderItemEmpty: Function;
+    renderItemNotEmpty: Function;
+
     constructor(fetchUrl: string, refreshTime: number) {
         super();
         this.webDataManager = new WebDataManager(fetchUrl);
         this.refreshTime = refreshTime;
         // creating references to functions used in render()
-        this._onRefresh = this._onRefresh.bind(this);
+        this.onRefresh = this.onRefresh.bind(this);
         this.renderSectionHeaderEmpty = this.renderSectionHeader.bind(this, true);
         this.renderSectionHeaderNotEmpty = this.renderSectionHeader.bind(this, false);
         this.renderItemEmpty = this.renderItem.bind(this, true);
@@ -96,9 +102,9 @@ export default class FetchedDataSectionList extends React.Component<Props, State
      * Refresh data when focusing the screen and setup a refresh interval if asked to
      */
     onScreenFocus() {
-        this._onRefresh();
+        this.onRefresh();
         if (this.refreshTime > 0)
-            this.refreshInterval = setInterval(this._onRefresh.bind(this), this.refreshTime)
+            this.refreshInterval = setInterval(this.onRefresh.bind(this), this.refreshTime)
     }
 
     /**
@@ -122,7 +128,7 @@ export default class FetchedDataSectionList extends React.Component<Props, State
      * Refresh data and show a toast if any error occurred
      * @private
      */
-    _onRefresh() {
+    onRefresh() {
         let canRefresh;
         if (this.lastRefresh !== undefined)
             canRefresh = (new Date().getTime() - this.lastRefresh.getTime()) / 1000 > this.minTimeBetweenRefresh;
@@ -284,13 +290,13 @@ export default class FetchedDataSectionList extends React.Component<Props, State
     }
 
 
-    renderSectionHeader(isEmpty, {section: {title}}) {
+    renderSectionHeader(isEmpty: boolean, {section: {title}} : Object) {
         return isEmpty ?
             <View/> :
             this.getRenderSectionHeader(title)
     }
 
-    renderItem(isEmpty, {item, section}) {
+    renderItem(isEmpty: boolean, {item, section}: Object) {
         return isEmpty ?
             this.getEmptyRenderItem(item.text, item.isSpinner, item.icon) :
             this.getRenderItem(item, section)
@@ -313,7 +319,7 @@ export default class FetchedDataSectionList extends React.Component<Props, State
                 refreshControl={
                     <RefreshControl
                         refreshing={this.state.refreshing}
-                        onRefresh={this._onRefresh}
+                        onRefresh={this.onRefresh}
                     />
                 }
                 renderSectionHeader={isEmpty ? this.renderSectionHeaderEmpty : this.renderSectionHeaderNotEmpty}
diff --git a/components/Sidebar.js b/components/Sidebar.js
index 61cd73f..5517f99 100644
--- a/components/Sidebar.js
+++ b/components/Sidebar.js
@@ -30,6 +30,8 @@ export default class SideBar extends React.Component<Props, State> {
         active: 'Home',
     };
 
+    getRenderItem: Function;
+
     /**
      * Generate the datasets
      *
@@ -111,7 +113,7 @@ export default class SideBar extends React.Component<Props, State> {
     }
 
 
-    onListItemPress(item) {
+    onListItemPress(item: Object) {
         if (item.link !== undefined)
             Linking.openURL(item.link).catch((err) => console.error('Error opening link', err));
         else
@@ -119,7 +121,7 @@ export default class SideBar extends React.Component<Props, State> {
     }
 
 
-    listKeyExtractor(item) {
+    listKeyExtractor(item: Object) {
         return item.route;
     }
 
diff --git a/screens/About/AboutScreen.js b/screens/About/AboutScreen.js
index c4bc463..14d77a2 100644
--- a/screens/About/AboutScreen.js
+++ b/screens/About/AboutScreen.js
@@ -210,7 +210,7 @@ export default class AboutScreen extends React.Component<Props, State> {
                     data={this.appData}
                     extraData={this.state}
                     keyExtractor={(item) => item.icon}
-                    listKey={(item) => "app"}
+                    listKey={"app"}
                     renderItem={({item}) =>
                         this.getCardItem(item.onPressCallback, item.icon, item.text, item.showChevron, item.showOnlyDebug)
                     }
@@ -241,7 +241,7 @@ export default class AboutScreen extends React.Component<Props, State> {
                     data={this.authorData}
                     extraData={this.state}
                     keyExtractor={(item) => item.icon}
-                    listKey={(item) => "team1"}
+                    listKey={"team1"}
                     renderItem={({item}) =>
                         this.getCardItem(item.onPressCallback, item.icon, item.text, item.showChevron, item.showOnlyDebug)
                     }
@@ -253,7 +253,7 @@ export default class AboutScreen extends React.Component<Props, State> {
                     data={this.additionalDevData}
                     extraData={this.state}
                     keyExtractor={(item) => item.icon}
-                    listKey={(item) => "team2"}
+                    listKey={"team2"}
                     renderItem={({item}) =>
                         this.getCardItem(item.onPressCallback, item.icon, item.text, item.showChevron, item.showOnlyDebug)
                     }
@@ -272,7 +272,7 @@ export default class AboutScreen extends React.Component<Props, State> {
                     data={this.technoData}
                     extraData={this.state}
                     keyExtractor={(item) => item.icon}
-                    listKey={(item) => "techno"}
+                    listKey={"techno"}
                     renderItem={({item}) =>
                         this.getCardItem(item.onPressCallback, item.icon, item.text, item.showChevron, item.showOnlyDebug)
                     }
diff --git a/screens/HomeScreen.js b/screens/HomeScreen.js
index dcad00c..4f2207c 100644
--- a/screens/HomeScreen.js
+++ b/screens/HomeScreen.js
@@ -38,12 +38,33 @@ function openWebLink(link) {
  */
 export default class HomeScreen extends FetchedDataSectionList {
 
+    onProxiwashClick: Function;
+    onTutorInsaClick: Function;
+    onMenuClick: Function;
+    onProximoClick: Function;
+
     constructor() {
         super(DATA_URL, REFRESH_TIME);
-        this.proxiwashClickAction = this.proxiwashClickAction.bind(this);
-        this.tutorinsaClickAction = this.tutorinsaClickAction.bind(this);
-        this.menuClickAction = this.menuClickAction.bind(this);
-        this.proximoClickAction = this.proximoClickAction.bind(this);
+        this.onProxiwashClick = this.onProxiwashClick.bind(this);
+        this.onTutorInsaClick = this.onTutorInsaClick.bind(this);
+        this.onMenuClick = this.onMenuClick.bind(this);
+        this.onProximoClick = this.onProximoClick.bind(this);
+    }
+
+    onProxiwashClick() {
+        this.props.navigation.navigate('Proxiwash');
+    }
+
+    onTutorInsaClick() {
+        this.props.navigation.navigate('TutorInsaScreen');
+    }
+
+    onProximoClick() {
+        this.props.navigation.navigate('Proximo');
+    }
+
+    onMenuClick() {
+        this.props.navigation.navigate('SelfMenuScreen');
     }
 
     /**
@@ -293,7 +314,7 @@ export default class HomeScreen extends FetchedDataSectionList {
     }
 
 
-    clickAction(isAvailable, displayEvent) {
+    clickAction(isAvailable: boolean, displayEvent: Object) {
         if (isAvailable)
             this.props.navigation.navigate('PlanningDisplayScreen', {data: displayEvent});
         else
@@ -338,14 +359,6 @@ export default class HomeScreen extends FetchedDataSectionList {
         );
     }
 
-    proximoClickAction() {
-        this.props.navigation.navigate('Proximo');
-    }
-
-    menuClickAction() {
-        this.props.navigation.navigate('SelfMenuScreen');
-    }
-
 
     getDashboardBottomItem(content: Array<Object>) {
         let proximoData = content[0]['data'];
@@ -391,7 +404,7 @@ export default class HomeScreen extends FetchedDataSectionList {
                     subtitle={menuSubtitle}
                     color={menuColor}
                     icon={menuIcon}
-                    clickAction={this.menuClickAction}
+                    clickAction={this.onMenuClick}
                     title={menuTitle}
                     isAvailable={isMenuAvailable}
                     isSquareLeft={true}/>
@@ -400,21 +413,13 @@ export default class HomeScreen extends FetchedDataSectionList {
                     subtitle={proximoSubtitle}
                     color={proximoColor}
                     icon={proximoIcon}
-                    clickAction={this.proximoClickAction}
+                    clickAction={this.onProximoClick}
                     title={proximoTitle}
                     isAvailable={isProximoAvailable}/>
             </View>
         );
     }
 
-    proxiwashClickAction() {
-        this.props.navigation.navigate('Proxiwash');
-    }
-
-    tutorinsaClickAction() {
-        this.props.navigation.navigate('TutorInsaScreen');
-    }
-
 
     getDashboardMiddleItem(content: Array<Object>) {
         let proxiwashData = content[0]['data'];
@@ -502,7 +507,7 @@ export default class HomeScreen extends FetchedDataSectionList {
                     subtitle={proxiwashSubtitle}
                     color={proxiwashColor}
                     icon={proxiwashIcon}
-                    clickAction={this.proxiwashClickAction}
+                    clickAction={this.onProxiwashClick}
                     title={proxiwashTitle}
                     isAvailable={proxiwashIsAvailable}
                     isSquareLeft={true}/>
@@ -511,7 +516,7 @@ export default class HomeScreen extends FetchedDataSectionList {
                     subtitle={tutorinsaSubtitle}
                     color={tutorinsaColor}
                     icon={tutorinsaIcon}
-                    clickAction={this.tutorinsaClickAction}
+                    clickAction={this.onTutorInsaClick}
                     title={tutorinsaTitle}
                     isAvailable={tutorinsaIsAvailable}/>
             </View>
diff --git a/screens/PlanningDisplayScreen.js b/screens/PlanningDisplayScreen.js
index 68a02ae..0203f5f 100644
--- a/screens/PlanningDisplayScreen.js
+++ b/screens/PlanningDisplayScreen.js
@@ -8,7 +8,6 @@ import ThemeManager from "../utils/ThemeManager";
 import HTML from "react-native-render-html";
 import {Linking} from "expo";
 import PlanningEventManager from '../utils/PlanningEventManager';
-import i18n from 'i18n-js';
 
 type Props = {
     navigation: Object,
diff --git a/screens/PlanningScreen.js b/screens/PlanningScreen.js
index b05eeb2..b5aa6a0 100644
--- a/screens/PlanningScreen.js
+++ b/screens/PlanningScreen.js
@@ -5,7 +5,6 @@ import {BackHandler, Image} from 'react-native';
 import {H3, Text, View} from 'native-base';
 import i18n from "i18n-js";
 import ThemeManager from "../utils/ThemeManager";
-import {Linking} from "expo";
 import BaseContainer from "../components/BaseContainer";
 import {Agenda, LocaleConfig} from 'react-native-calendars';
 import Touchable from 'react-native-platform-touchable';
@@ -35,14 +34,6 @@ const FETCH_URL = "https://amicale-insat.fr/event/json/list";
 
 const AGENDA_MONTH_SPAN = 6;
 
-/**
- * Opens a link in the device's browser
- * @param link The link to open
- */
-function openWebLink(link) {
-    Linking.openURL(link).catch((err) => console.error('Error opening link', err));
-}
-
 /**
  * Class defining the app's planning screen
  */
@@ -63,6 +54,14 @@ export default class PlanningScreen extends React.Component<Props, State> {
         calendarShowing: false,
     };
 
+    onRefresh: Function;
+    onCalendarToggled: Function;
+    getRenderItem: Function;
+    getRenderEmptyDate: Function;
+    onAgendaRef: Function;
+    onCalendarToggled: Function;
+    onBackButtonPressAndroid: Function;
+
     constructor(props: any) {
         super(props);
         this.webDataManager = new WebDataManager(FETCH_URL);
@@ -79,12 +78,11 @@ export default class PlanningScreen extends React.Component<Props, State> {
         }
 
         // Create references for functions required in the render function
-        this._onRefresh = this._onRefresh.bind(this);
+        this.onRefresh = this.onRefresh.bind(this);
         this.onCalendarToggled = this.onCalendarToggled.bind(this);
         this.getRenderItem = this.getRenderItem.bind(this);
         this.getRenderEmptyDate = this.getRenderEmptyDate.bind(this);
-        this.setAgendaRef = this.setAgendaRef.bind(this);
-        this.onCalendarToggled = this.onCalendarToggled.bind(this);
+        this.onAgendaRef = this.onAgendaRef.bind(this);
         this.onCalendarToggled = this.onCalendarToggled.bind(this);
         this.onBackButtonPressAndroid = this.onBackButtonPressAndroid.bind(this);
     }
@@ -96,7 +94,7 @@ export default class PlanningScreen extends React.Component<Props, State> {
     }
 
     componentDidMount() {
-        this._onRefresh();
+        this.onRefresh();
         this.willBlurSubscription = this.props.navigation.addListener(
             'willBlur',
             () =>
@@ -213,7 +211,7 @@ export default class PlanningScreen extends React.Component<Props, State> {
      * Refresh data and show a toast if any error occurred
      * @private
      */
-    _onRefresh = () => {
+    onRefresh = () => {
         let canRefresh;
         if (this.lastRefresh !== undefined)
             canRefresh = (new Date().getTime() - this.lastRefresh.getTime()) / 1000 > this.minTimeBetweenRefresh;
@@ -265,12 +263,12 @@ export default class PlanningScreen extends React.Component<Props, State> {
         }
     }
 
-    setAgendaRef(ref) {
+    onAgendaRef(ref: Agenda) {
         this.agendaRef = ref;
     }
 
-    onCalendarToggled(calendarOpened) {
-        this.setState({calendarShowing: calendarOpened});
+    onCalendarToggled(isCalendarOpened: boolean) {
+        this.setState({calendarShowing: isCalendarOpened});
     }
 
     currentDate = this.getCurrentDate();
@@ -293,7 +291,7 @@ export default class PlanningScreen extends React.Component<Props, State> {
                     // Max amount of months allowed to scroll to the future. Default = 50
                     futureScrollRange={AGENDA_MONTH_SPAN}
                     // If provided, a standard RefreshControl will be added for "Pull to Refresh" functionality. Make sure to also set the refreshing prop correctly.
-                    onRefresh={this._onRefresh}
+                    onRefresh={this.onRefresh}
                     // callback that fires when the calendar is opened or closed
                     onCalendarToggled={this.onCalendarToggled}
                     // Set this true while waiting for new data from a refresh
@@ -304,7 +302,7 @@ export default class PlanningScreen extends React.Component<Props, State> {
                     // If firstDay=1 week starts from Monday. Note that dayNames and dayNamesShort should still start from Sunday.
                     firstDay={1}
                     // ref to this agenda in order to handle back button event
-                    ref={this.setAgendaRef}
+                    ref={this.onAgendaRef}
                     // agenda theme
                     theme={{
                         backgroundColor: ThemeManager.getCurrentThemeVariables().agendaBackgroundColor,
diff --git a/screens/Proximo/ProximoAboutScreen.js b/screens/Proximo/ProximoAboutScreen.js
index 269a5f6..65a19cf 100644
--- a/screens/Proximo/ProximoAboutScreen.js
+++ b/screens/Proximo/ProximoAboutScreen.js
@@ -1,7 +1,7 @@
 // @flow
 
 import * as React from 'react';
-import {Image, Linking, View} from 'react-native';
+import {Image, View} from 'react-native';
 import {Card, CardItem, Container, Content, H2, Left, Text} from 'native-base';
 import CustomHeader from "../../components/CustomHeader";
 import i18n from "i18n-js";
diff --git a/screens/Proximo/ProximoListScreen.js b/screens/Proximo/ProximoListScreen.js
index c616381..18f458a 100644
--- a/screens/Proximo/ProximoListScreen.js
+++ b/screens/Proximo/ProximoListScreen.js
@@ -70,16 +70,25 @@ export default class ProximoListScreen extends React.Component<Props, State> {
         sortNameIcon: '',
         modalCurrentDisplayItem: {},
     };
-    _menu: Menu;
+    sortMenuRef: Menu;
+
+    onMenuRef: Function;
+    onSearchStringChange: Function;
+    onSelectSortModeName: Function;
+    onSelectSortModePrice: Function;
+    onSortMenuPress: Function;
+    renderItem: Function;
 
     constructor(props: any) {
         super(props);
         this.modalRef = React.createRef();
         this.originalData = this.navData['data'];
-        this.search = this.search.bind(this);
-        this.selectSortModeName = this.selectSortModeName.bind(this);
-        this.selectSortModePrice = this.selectSortModePrice.bind(this);
-        this.showMenu = this.showMenu.bind(this);
+
+        this.onMenuRef = this.onMenuRef.bind(this);
+        this.onSearchStringChange = this.onSearchStringChange.bind(this);
+        this.onSelectSortModeName = this.onSelectSortModeName.bind(this);
+        this.onSelectSortModePrice = this.onSelectSortModePrice.bind(this);
+        this.onSortMenuPress = this.onSortMenuPress.bind(this);
         this.renderItem = this.renderItem.bind(this);
     }
 
@@ -88,8 +97,8 @@ export default class ProximoListScreen extends React.Component<Props, State> {
      *
      * @param ref The menu reference
      */
-    setMenuRef = (ref: Menu) => {
-        this._menu = ref;
+    onMenuRef(ref: Menu) {
+        this.sortMenuRef = ref;
     };
 
     /**
@@ -136,7 +145,7 @@ export default class ProximoListScreen extends React.Component<Props, State> {
                 break;
         }
         this.setupSortIcons(mode, isReverse);
-        this._menu.hide();
+        this.sortMenuRef.hide();
     }
 
     /**
@@ -219,7 +228,7 @@ export default class ProximoListScreen extends React.Component<Props, State> {
         return filteredData;
     }
 
-    search(str: string) {
+    onSearchStringChange(str: string) {
         this.setState({
             currentlyDisplayedData: this.filterData(str)
         })
@@ -265,27 +274,27 @@ export default class ProximoListScreen extends React.Component<Props, State> {
         }
     }
 
-    selectSortModeName() {
+    onSelectSortModeName() {
         this.sortModeSelected(sortMode.name);
     }
 
-    selectSortModePrice() {
+    onSelectSortModePrice() {
         this.sortModeSelected(sortMode.price);
     }
 
-    showMenu() {
-        this._menu.show();
+    onSortMenuPress() {
+        this.sortMenuRef.show();
     }
 
 
     getSortMenu() {
         return (
             <Menu
-                ref={this.setMenuRef}
+                ref={this.onMenuRef}
                 button={
                     <Touchable
                         style={{padding: 6}}
-                        onPress={this.showMenu}>
+                        onPress={this.onSortMenuPress}>
                         <CustomMaterialIcon
                             color={Platform.OS === 'ios' ? ThemeManager.getCurrentThemeVariables().brandPrimary : "#fff"}
                             icon={'sort'}/>
@@ -293,12 +302,12 @@ export default class ProximoListScreen extends React.Component<Props, State> {
                 }
             >
                 <MenuItem
-                    onPress={this.selectSortModeName}>
+                    onPress={this.onSelectSortModeName}>
                     {this.state.sortNameIcon}
                     {i18n.t('proximoScreen.sortName')}
                 </MenuItem>
                 <MenuItem
-                    onPress={this.selectSortModePrice}>
+                    onPress={this.onSelectSortModePrice}>
                     {this.state.sortPriceIcon}
                     {i18n.t('proximoScreen.sortPrice')}
                 </MenuItem>
@@ -306,7 +315,8 @@ export default class ProximoListScreen extends React.Component<Props, State> {
         );
     }
 
-    renderItem({item}) {
+    renderItem({item}: Object) {
+        console.log(item);
         return (<ListItem
             thumbnail
             onPress={() => {
@@ -335,7 +345,7 @@ export default class ProximoListScreen extends React.Component<Props, State> {
         </ListItem>);
     }
 
-    keyExtractor(item) {
+    keyExtractor(item: Object) {
         return item.name + item.code;
     }
 
@@ -353,7 +363,7 @@ export default class ProximoListScreen extends React.Component<Props, State> {
                     hasBackButton={true}
                     navigation={nav}
                     hasSearchField={true}
-                    searchCallback={this.search}
+                    searchCallback={this.onSearchStringChange}
                     shouldFocusSearchBar={this.shouldFocusSearchBar}
                     rightButton={this.getSortMenu()}
                 />
diff --git a/screens/Proximo/ProximoMainScreen.js b/screens/Proximo/ProximoMainScreen.js
index 1e030db..932c689 100644
--- a/screens/Proximo/ProximoMainScreen.js
+++ b/screens/Proximo/ProximoMainScreen.js
@@ -18,6 +18,9 @@ const DATA_URL = "https://srv-falcon.etud.insa-toulouse.fr/~proximo/data/stock-v
  */
 export default class ProximoMainScreen extends FetchedDataSectionList {
 
+    onPressSearchBtn: Function;
+    onPressAboutBtn: Function;
+
     constructor() {
         super(DATA_URL, 0);
         this.onPressSearchBtn = this.onPressSearchBtn.bind(this);
diff --git a/screens/Proxiwash/ProxiwashScreen.js b/screens/Proxiwash/ProxiwashScreen.js
index 11c13b4..0c7db1b 100644
--- a/screens/Proxiwash/ProxiwashScreen.js
+++ b/screens/Proxiwash/ProxiwashScreen.js
@@ -36,6 +36,8 @@ const REFRESH_TIME = 1000 * 10; // Refresh every 10 seconds
  */
 export default class ProxiwashScreen extends FetchedDataSectionList {
 
+    onAboutPress: Function;
+
     /**
      * Creates machine state parameters using current theme and translations
      */
@@ -76,7 +78,7 @@ export default class ProxiwashScreen extends FetchedDataSectionList {
         };
         this.setMinTimeRefresh(30);
 
-        this.navigateToAboutScreen = this.navigateToAboutScreen.bind(this);
+        this.onAboutPress = this.onAboutPress.bind(this);
     }
 
     /**
@@ -274,7 +276,7 @@ export default class ProxiwashScreen extends FetchedDataSectionList {
         );
     }
 
-    navigateToAboutScreen() {
+    onAboutPress() {
         this.props.navigation.navigate('ProxiwashAboutScreen');
     }
 
@@ -282,7 +284,7 @@ export default class ProxiwashScreen extends FetchedDataSectionList {
         return (
             <Touchable
                 style={{padding: 6}}
-                onPress={this.navigateToAboutScreen}>
+                onPress={this.onAboutPress}>
                 <CustomMaterialIcon
                     color={Platform.OS === 'ios' ? ThemeManager.getCurrentThemeVariables().brandPrimary : "#fff"}
                     icon="information"/>