diff --git a/src/components/Animations/AnimatedAccordion.js b/src/components/Animations/AnimatedAccordion.tsx
similarity index 81%
rename from src/components/Animations/AnimatedAccordion.js
rename to src/components/Animations/AnimatedAccordion.tsx
index e904aea..e0cb5a9 100644
--- a/src/components/Animations/AnimatedAccordion.js
+++ b/src/components/Animations/AnimatedAccordion.tsx
@@ -17,42 +17,37 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
-import {View} from 'react-native';
+import {View, ViewStyle} from 'react-native';
 import {List, withTheme} from 'react-native-paper';
 import Collapsible from 'react-native-collapsible';
 import * as Animatable from 'react-native-animatable';
-import type {CustomThemeType} from '../../managers/ThemeManager';
-import type {ListIconPropsType} from '../../constants/PaperStyles';
 
 type PropsType = {
-  theme: CustomThemeType,
-  title: string,
-  subtitle?: string,
-  left?: () => React.Node,
-  opened?: boolean,
-  unmountWhenCollapsed?: boolean,
-  children?: React.Node,
+  theme: ReactNativePaper.Theme;
+  title: string;
+  subtitle?: string;
+  style: ViewStyle;
+  left?: (props: {
+    color: string;
+    style?: {
+      marginRight: number;
+      marginVertical?: number;
+    };
+  }) => React.ReactNode;
+  opened?: boolean;
+  unmountWhenCollapsed?: boolean;
+  children?: React.ReactNode;
 };
 
 type StateType = {
-  expanded: boolean,
+  expanded: boolean;
 };
 
 const AnimatedListIcon = Animatable.createAnimatableComponent(List.Icon);
 
 class AnimatedAccordion extends React.Component<PropsType, StateType> {
-  static defaultProps = {
-    subtitle: '',
-    left: null,
-    opened: null,
-    unmountWhenCollapsed: false,
-    children: null,
-  };
-
-  chevronRef: {current: null | AnimatedListIcon};
+  chevronRef: {current: null | (typeof AnimatedListIcon & List.Icon)};
 
   chevronIcon: string;
 
@@ -62,6 +57,9 @@ class AnimatedAccordion extends React.Component<PropsType, StateType> {
 
   constructor(props: PropsType) {
     super(props);
+    this.chevronIcon = '';
+    this.animStart = '';
+    this.animEnd = '';
     this.state = {
       expanded: props.opened != null ? props.opened : false,
     };
@@ -71,8 +69,9 @@ class AnimatedAccordion extends React.Component<PropsType, StateType> {
 
   shouldComponentUpdate(nextProps: PropsType): boolean {
     const {state, props} = this;
-    if (nextProps.opened != null && nextProps.opened !== props.opened)
+    if (nextProps.opened != null && nextProps.opened !== props.opened) {
       state.expanded = nextProps.opened;
+    }
     return true;
   }
 
@@ -101,17 +100,17 @@ class AnimatedAccordion extends React.Component<PropsType, StateType> {
     }
   };
 
-  render(): React.Node {
+  render() {
     const {props, state} = this;
     const {colors} = props.theme;
     return (
-      <View>
+      <View style={props.style}>
         <List.Item
           title={props.title}
-          subtitle={props.subtitle}
+          description={props.subtitle}
           titleStyle={state.expanded ? {color: colors.primary} : null}
           onPress={this.toggleAccordion}
-          right={(iconProps: ListIconPropsType): React.Node => (
+          right={(iconProps) => (
             <AnimatedListIcon
               ref={this.chevronRef}
               style={iconProps.style}
diff --git a/src/components/Animations/AnimatedBottomBar.js b/src/components/Animations/AnimatedBottomBar.tsx
similarity index 88%
rename from src/components/Animations/AnimatedBottomBar.js
rename to src/components/Animations/AnimatedBottomBar.tsx
index 5082aab..5c41ba3 100644
--- a/src/components/Animations/AnimatedBottomBar.js
+++ b/src/components/Animations/AnimatedBottomBar.tsx
@@ -17,29 +17,30 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
-import {StyleSheet, View} from 'react-native';
+import {
+  NativeScrollEvent,
+  NativeSyntheticEvent,
+  StyleSheet,
+  View,
+} from 'react-native';
 import {FAB, IconButton, Surface, withTheme} from 'react-native-paper';
 import * as Animatable from 'react-native-animatable';
 import {StackNavigationProp} from '@react-navigation/stack';
 import AutoHideHandler from '../../utils/AutoHideHandler';
 import CustomTabBar from '../Tabbar/CustomTabBar';
-import type {CustomThemeType} from '../../managers/ThemeManager';
-import type {OnScrollType} from '../../utils/AutoHideHandler';
 
 const AnimatedFAB = Animatable.createAnimatableComponent(FAB);
 
 type PropsType = {
-  navigation: StackNavigationProp,
-  theme: CustomThemeType,
-  onPress: (action: string, data?: string) => void,
-  seekAttention: boolean,
+  navigation: StackNavigationProp<any>;
+  theme: ReactNativePaper.Theme;
+  onPress: (action: string, data?: string) => void;
+  seekAttention: boolean;
 };
 
 type StateType = {
-  currentMode: string,
+  currentMode: string;
 };
 
 const DISPLAY_MODES = {
@@ -78,14 +79,14 @@ const styles = StyleSheet.create({
 });
 
 class AnimatedBottomBar extends React.Component<PropsType, StateType> {
-  ref: {current: null | Animatable.View};
+  ref: {current: null | (Animatable.View & View)};
 
   hideHandler: AutoHideHandler;
 
   displayModeIcons: {[key: string]: string};
 
-  constructor() {
-    super();
+  constructor(props: PropsType) {
+    super(props);
     this.state = {
       currentMode: DISPLAY_MODES.WEEK,
     };
@@ -108,13 +109,17 @@ class AnimatedBottomBar extends React.Component<PropsType, StateType> {
   }
 
   onHideChange = (shouldHide: boolean) => {
-    if (this.ref.current != null) {
-      if (shouldHide) this.ref.current.fadeOutDown(500);
-      else this.ref.current.fadeInUp(500);
+    const ref = this.ref;
+    if (ref && ref.current && ref.current.fadeOutDown && ref.current.fadeInUp) {
+      if (shouldHide) {
+        ref.current.fadeOutDown(500);
+      } else {
+        ref.current.fadeInUp(500);
+      }
     }
   };
 
-  onScroll = (event: OnScrollType) => {
+  onScroll = (event: NativeSyntheticEvent<NativeScrollEvent>) => {
     this.hideHandler.onScroll(event);
   };
 
@@ -139,7 +144,7 @@ class AnimatedBottomBar extends React.Component<PropsType, StateType> {
     props.onPress('changeView', newMode);
   };
 
-  render(): React.Node {
+  render() {
     const {props, state} = this;
     const buttonColor = props.theme.colors.primary;
     return (
diff --git a/src/components/Animations/AnimatedFAB.js b/src/components/Animations/AnimatedFAB.tsx
similarity index 63%
rename from src/components/Animations/AnimatedFAB.js
rename to src/components/Animations/AnimatedFAB.tsx
index 1578b03..a5254eb 100644
--- a/src/components/Animations/AnimatedFAB.js
+++ b/src/components/Animations/AnimatedFAB.tsx
@@ -17,22 +17,23 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
-import {StyleSheet} from 'react-native';
+import {
+  NativeScrollEvent,
+  NativeSyntheticEvent,
+  StyleSheet,
+  View,
+} from 'react-native';
 import {FAB} from 'react-native-paper';
 import * as Animatable from 'react-native-animatable';
 import AutoHideHandler from '../../utils/AutoHideHandler';
 import CustomTabBar from '../Tabbar/CustomTabBar';
 
 type PropsType = {
-  icon: string,
-  onPress: () => void,
+  icon: string;
+  onPress: () => void;
 };
 
-const AnimatedFab = Animatable.createAnimatableComponent(FAB);
-
 const styles = StyleSheet.create({
   fab: {
     position: 'absolute',
@@ -42,41 +43,50 @@ const styles = StyleSheet.create({
 });
 
 export default class AnimatedFAB extends React.Component<PropsType> {
-  ref: {current: null | Animatable.View};
+  ref: {current: null | (Animatable.View & View)};
 
   hideHandler: AutoHideHandler;
 
-  constructor() {
-    super();
+  constructor(props: PropsType) {
+    super(props);
     this.ref = React.createRef();
     this.hideHandler = new AutoHideHandler(false);
     this.hideHandler.addListener(this.onHideChange);
   }
 
-  onScroll = (event: SyntheticEvent<EventTarget>) => {
+  onScroll = (event: NativeSyntheticEvent<NativeScrollEvent>) => {
     this.hideHandler.onScroll(event);
   };
 
   onHideChange = (shouldHide: boolean) => {
-    if (this.ref.current != null) {
-      if (shouldHide) this.ref.current.bounceOutDown(1000);
-      else this.ref.current.bounceInUp(1000);
+    const ref = this.ref;
+    if (
+      ref &&
+      ref.current &&
+      ref.current.bounceOutDown &&
+      ref.current.bounceInUp
+    ) {
+      if (shouldHide) {
+        ref.current.bounceOutDown(1000);
+      } else {
+        ref.current.bounceInUp(1000);
+      }
     }
   };
 
-  render(): React.Node {
+  render() {
     const {props} = this;
     return (
-      <AnimatedFab
-        ref={this.ref}
-        useNativeDriver
-        icon={props.icon}
-        onPress={props.onPress}
-        style={{
-          ...styles.fab,
-          bottom: CustomTabBar.TAB_BAR_HEIGHT,
-        }}
-      />
+      <Animatable.View ref={this.ref} useNativeDriver={true}>
+        <FAB
+          icon={props.icon}
+          onPress={props.onPress}
+          style={{
+            ...styles.fab,
+            bottom: CustomTabBar.TAB_BAR_HEIGHT,
+          }}
+        />
+      </Animatable.View>
     );
   }
 }