React.Element<any> » React.Element<*>

Reviewed By: yungsters

Differential Revision: D4027388

fbshipit-source-id: 5bc178eab1ab72283622b4b7d418f9fd43ec0792

Examples/UIExplorer/js/AccessibilityIOSExample.js

@@ -68,6 +68,6 @@ exports.description = 'Interface to show iOS\' accessibility samples';
 exports.examples = [
   {
     title: 'Accessibility elements',
-    render(): React.Element<any> { return <AccessibilityIOSExample />; }
+    render(): React.Element<*> { return <AccessibilityIOSExample />; }
   },
 ];

Examples/UIExplorer/js/ActionSheetIOSExample.js

@@ -197,27 +197,27 @@ exports.description = 'Interface to show iOS\' action sheets';
 exports.examples = [
   {
     title: 'Show Action Sheet',
-    render(): React.Element<any> { return <ActionSheetExample />; }
+    render(): React.Element<*> { return <ActionSheetExample />; }
   },
   {
     title: 'Show Action Sheet with tinted buttons',
-    render(): React.Element<any> { return <ActionSheetTintExample />; }
+    render(): React.Element<*> { return <ActionSheetTintExample />; }
   },
   {
     title: 'Show Share Action Sheet',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return <ShareActionSheetExample url="https://code.facebook.com" />;
     }
   },
   {
     title: 'Share Local Image',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return <ShareActionSheetExample url="bunny.png" />;
     }
   },
   {
     title: 'Share Screenshot',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return <ShareScreenshotExample />;
     }
   }

Examples/UIExplorer/js/AdSupportIOSExample.js

@@ -38,7 +38,7 @@ exports.description = 'Example of using the ad support API.';
 exports.examples = [
   {
     title: 'Ad Support IOS',
-    render: function(): React.Element<any> {
+    render: function(): React.Element<*> {
       return <AdSupportIOSExample />;
     },
   }

Examples/UIExplorer/js/AlertIOSExample.js

@@ -45,7 +45,7 @@ exports.examples = [{
 },
 {
   title: 'Prompt Options',
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return <PromptOptions />;
   }
 },

Examples/UIExplorer/js/AnimatedGratuitousApp/AnExApp.js

@@ -89,7 +89,7 @@ class Circle extends React.Component {
     });
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     if (this.state.panResponder) {
       var handlers = this.state.panResponder.panHandlers;
       var dragStyle = {                 //  Used to position while dragging
@@ -190,7 +190,7 @@ class AnExApp extends React.Component {
     this._onMove = this._onMove.bind(this);
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     var circles = this.state.keys.map((key, idx) => {
       if (key === this.state.activeKey) {
         return <Circle key={key + 'd'} dummy={true} />;

Examples/UIExplorer/js/AnimatedGratuitousApp/AnExBobble.js

@@ -96,7 +96,7 @@ class AnExBobble extends React.Component {
     });
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <View style={styles.bobbleContainer}>
         {this.state.bobbles.map((_, i) => {

Examples/UIExplorer/js/AnimatedGratuitousApp/AnExSet.js

@@ -52,7 +52,7 @@ class AnExSet extends React.Component {
       openColor: randColor(),
     };
   }
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     var backgroundColor = this.props.openVal ?
       this.props.openVal.interpolate({
         inputRange: [0, 1],

Examples/UIExplorer/js/AnimatedGratuitousApp/AnExTilt.js

@@ -97,7 +97,7 @@ class AnExTilt extends React.Component {
     this._startBurnsZoom();
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <Animated.View
         {...this.state.tiltPanResponder.panHandlers}

Examples/UIExplorer/js/AppStateExample.js

@@ -95,16 +95,16 @@ exports.examples = [
   {
     title: 'Subscribed AppState:',
     description: 'This changes according to the current state, so you can only ever see it rendered as "active"',
-    render(): React.Element<any> { return <AppStateSubscription showCurrentOnly={true} />; }
+    render(): React.Element<*> { return <AppStateSubscription showCurrentOnly={true} />; }
   },
   {
     title: 'Previous states:',
-    render(): React.Element<any> { return <AppStateSubscription showCurrentOnly={false} />; }
+    render(): React.Element<*> { return <AppStateSubscription showCurrentOnly={false} />; }
   },
   {
     platform: 'ios',
     title: 'Memory Warnings',
     description: 'In the IOS simulator, hit Shift+Command+M to simulate a memory warning.',
-    render(): React.Element<any> { return <AppStateSubscription showMemoryWarnings={true} />; }
+    render(): React.Element<*> { return <AppStateSubscription showMemoryWarnings={true} />; }
   },
 ];

Examples/UIExplorer/js/AsyncStorageExample.js

@@ -120,6 +120,6 @@ exports.description = 'Asynchronous local disk storage.';
 exports.examples = [
   {
     title: 'Basics - getItem, setItem, removeItem',
-    render(): React.Element<any> { return <BasicStorageExample />; }
+    render(): React.Element<*> { return <BasicStorageExample />; }
   },
 ];

Examples/UIExplorer/js/CameraRollExample.js

@@ -143,6 +143,6 @@ exports.description = 'Example component that uses CameraRoll to list user\'s ph
 exports.examples = [
   {
     title: 'Photos',
-    render(): React.Element<any> { return <CameraRollExample />; }
+    render(): React.Element<*> { return <CameraRollExample />; }
   }
 ];

Examples/UIExplorer/js/DatePickerIOSExample.js

@@ -135,7 +135,7 @@ exports.description = 'Select dates and times using the native UIDatePicker.';
 exports.examples = [
 {
   title: '<DatePickerIOS>',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <DatePickerExample />;
   },
 }];

Examples/UIExplorer/js/ExampleTypes.js

@@ -27,7 +27,7 @@ import type React from 'react';
 
 export type Example = {
   title: string,
-  render: () => ?React.Element<any>,
+  render: () => ?React.Element<*>,
   description?: string,
   platform?: string,
 };

Examples/UIExplorer/js/GeolocationExample.js

@@ -39,7 +39,7 @@ exports.description = 'Examples of using the Geolocation API.';
 exports.examples = [
   {
     title: 'navigator.geolocation',
-    render: function(): React.Element<any> {
+    render: function(): React.Element<*> {
       return <GeolocationExample />;
     },
   }

Examples/UIExplorer/js/LayoutAnimationExample.js

@@ -161,12 +161,12 @@ exports.title = 'Layout Animation';
 exports.description = 'Layout animation';
 exports.examples = [{
   title: 'Add and remove views',
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return <AddRemoveExample />;
   },
 }, {
   title: 'Cross fade views',
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return <CrossFadeExample />;
   },
 }];

Examples/UIExplorer/js/LayoutEventsExample.js

@@ -170,7 +170,7 @@ exports.description = 'Examples that show how Layout events can be used to ' +
 exports.examples = [
 {
   title: 'LayoutEventExample',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <LayoutEventExample />;
   },
 }];

Examples/UIExplorer/js/ListViewPagingExample.js

@@ -142,7 +142,7 @@ class ListViewPagingExample extends React.Component {
     };
   }
 
-  renderRow = (rowData: string, sectionID: string, rowID: string): React.Element<any> => {
+  renderRow = (rowData: string, sectionID: string, rowID: string): React.Element<*> => {
     return (<Thumb text={rowData}/>);
   };
 

Examples/UIExplorer/js/NavigationExperimental/NavigationTransitioner-AnimatedView-example.js

@@ -84,7 +84,7 @@ class Example extends Component {
     this.state = reducer();
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <ExampleNavigator
         navigationState={this.state}
@@ -128,7 +128,7 @@ class ExampleNavigator extends Component {
     navigate: PropTypes.func.isRequired,
   };
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <NavigationTransitioner
         navigationState={this.props.navigationState}
@@ -140,7 +140,7 @@ class ExampleNavigator extends Component {
 
   _render(
     transitionProps: NavigationTransitionProps,
-  ): Array<React.Element<any>> {
+  ): Array<React.Element<*>> {
     return transitionProps.scenes.map((scene) => {
       const sceneProps = {
         ...transitionProps,
@@ -152,7 +152,7 @@ class ExampleNavigator extends Component {
 
   _renderScene(
     sceneProps: NavigationSceneRendererProps,
-  ): React.Element<any> {
+  ): React.Element<*> {
     return (
       <ExampleScene
         {...sceneProps}
@@ -181,7 +181,7 @@ class ExampleScene extends Component {
     navigate: PropTypes.func.isRequired,
   };
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     const {scene, navigate} = this.props;
     return (
       <Animated.View

Examples/UIExplorer/js/NavigationExperimental/NavigationTransitioner-AnimatedView-pager-example.js

@@ -95,7 +95,7 @@ class Example extends Component {
     this.state = reducer();
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <View style={styles.example}>
         <ExampleNavigator
@@ -154,7 +154,7 @@ class ExampleNavigator extends Component {
     this._renderScene = this._renderScene.bind(this);
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <NavigationTransitioner
         navigationState={this.props.navigationState}
@@ -165,7 +165,7 @@ class ExampleNavigator extends Component {
 
   _render(
     transitionProps: NavigationTransitionProps,
-  ): React.Element<any> {
+  ): React.Element<*> {
     const scenes = transitionProps.scenes.map((scene) => {
       const sceneProps = {
         ...transitionProps,
@@ -182,7 +182,7 @@ class ExampleNavigator extends Component {
 
   _renderScene(
     sceneProps: NavigationSceneRendererProps,
-  ): React.Element<any> {
+  ): React.Element<*> {
     return (
       <ExampleScene
         {...sceneProps}
@@ -203,7 +203,7 @@ class ExampleScene extends Component {
     navigate: PropTypes.func.isRequired,
   };
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     const {scene, navigate} = this.props;
 
     const panHandlers = NavigationPagerPanResponder.forHorizontal({

Examples/UIExplorer/js/NetInfoExample.js

@@ -175,22 +175,22 @@ exports.examples = [
   {
     title: 'NetInfo.isConnected',
     description: 'Asynchronously load and observe connectivity',
-    render(): React.Element<any> { return <IsConnected />; }
+    render(): React.Element<*> { return <IsConnected />; }
   },
   {
     title: 'NetInfo.update',
     description: 'Asynchronously load and observe connectionInfo',
-    render(): React.Element<any> { return <ConnectionInfoCurrent />; }
+    render(): React.Element<*> { return <ConnectionInfoCurrent />; }
   },
   {
     title: 'NetInfo.updateHistory',
     description: 'Observed updates to connectionInfo',
-    render(): React.Element<any> { return <ConnectionInfoSubscription />; }
+    render(): React.Element<*> { return <ConnectionInfoSubscription />; }
   },
   {
     platform: 'android',
     title: 'NetInfo.isConnectionExpensive (Android)',
     description: 'Asynchronously check isConnectionExpensive',
-    render(): React.Element<any> { return <IsConnectionExpensive />; }
+    render(): React.Element<*> { return <IsConnectionExpensive />; }
   },
 ];

Examples/UIExplorer/js/PickerIOSExample.js

@@ -147,13 +147,13 @@ exports.description = 'Render lists of selectable options with UIPickerView.';
 exports.examples = [
 {
   title: '<PickerIOS>',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <PickerExample />;
   },
 },
 {
   title: '<PickerIOS> with custom styling',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <PickerStyleExample />;
   },
 }];

Examples/UIExplorer/js/PushNotificationIOSExample.js

@@ -193,7 +193,7 @@ exports.description = 'Apple PushNotification and badge value';
 exports.examples = [
 {
   title: 'Badge Number',
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <View>
         <Button
@@ -210,13 +210,13 @@ exports.examples = [
 },
 {
   title: 'Push Notifications',
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return <NotificationExample />;
   }
 },
 {
   title: 'Notifications Permissions',
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return <NotificationPermissionExample />;
   }
 }];

Examples/UIExplorer/js/RCTRootViewIOSExample.js

@@ -90,7 +90,7 @@ exports.description = 'Examples that show useful methods when embedding React Na
 exports.examples = [
 {
   title: 'Updating app properties in runtime',
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <AppPropertiesUpdateExample/>
     );
@@ -98,7 +98,7 @@ exports.examples = [
 },
 {
   title: 'RCTRootView\'s size flexibility',
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <RootViewSizeFlexibilityExample/>
     );

Examples/UIExplorer/js/SegmentedControlIOSExample.js

@@ -150,26 +150,26 @@ exports.description = 'Native segmented control';
 exports.examples = [
   {
     title: 'Segmented controls can have values',
-    render(): React.Element<any> { return <BasicSegmentedControlExample />; }
+    render(): React.Element<*> { return <BasicSegmentedControlExample />; }
   },
   {
     title: 'Segmented controls can have a pre-selected value',
-    render(): React.Element<any> { return <PreSelectedSegmentedControlExample />; }
+    render(): React.Element<*> { return <PreSelectedSegmentedControlExample />; }
   },
   {
     title: 'Segmented controls can be momentary',
-    render(): React.Element<any> { return <MomentarySegmentedControlExample />; }
+    render(): React.Element<*> { return <MomentarySegmentedControlExample />; }
   },
   {
     title: 'Segmented controls can be disabled',
-    render(): React.Element<any> { return <DisabledSegmentedControlExample />; }
+    render(): React.Element<*> { return <DisabledSegmentedControlExample />; }
   },
   {
     title: 'Custom colors can be provided',
-    render(): React.Element<any> { return <ColorSegmentedControlExample />; }
+    render(): React.Element<*> { return <ColorSegmentedControlExample />; }
   },
   {
     title: 'Change events can be detected',
-    render(): React.Element<any> { return <EventSegmentedControlExample />; }
+    render(): React.Element<*> { return <EventSegmentedControlExample />; }
   }
 ];

Examples/UIExplorer/js/SliderExample.js

@@ -95,19 +95,19 @@ exports.description = 'Slider input for numeric values';
 exports.examples = [
   {
     title: 'Default settings',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return <SliderExample />;
     }
   },
   {
     title: 'Initial value: 0.5',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return <SliderExample value={0.5} />;
     }
   },
   {
     title: 'minimumValue: -1, maximumValue: 2',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return (
         <SliderExample
           minimumValue={-1}
@@ -118,13 +118,13 @@ exports.examples = [
   },
   {
     title: 'step: 0.25',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return <SliderExample step={0.25} />;
     }
   },
   {
     title: 'onSlidingComplete',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return (
         <SlidingCompleteExample />
       );
@@ -133,7 +133,7 @@ exports.examples = [
   {
     title: 'Custom min/max track tint color',
     platform: 'ios',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return (
         <SliderExample
           minimumTrackTintColor={'red'}
@@ -145,21 +145,21 @@ exports.examples = [
   {
     title: 'Custom thumb image',
     platform: 'ios',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return <SliderExample thumbImage={require('./uie_thumb_big.png')} />;
     }
   },
   {
     title: 'Custom track image',
     platform: 'ios',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return <SliderExample trackImage={require('./slider.png')} />;
     }
   },
   {
     title: 'Custom min/max track image',
     platform: 'ios',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return (
         <SliderExample
           minimumTrackImage={require('./slider-left.png')}

Examples/UIExplorer/js/SnapshotExample.js

@@ -74,6 +74,6 @@ exports.description = 'API to capture images from the screen.';
 exports.examples = [
   {
     title: 'Take screenshot',
-    render(): React.Element<any> { return <ScreenshotExample />; }
+    render(): React.Element<*> { return <ScreenshotExample />; }
   },
 ];

Examples/UIExplorer/js/SwitchExample.js

@@ -134,26 +134,26 @@ class EventSwitchExample extends React.Component {
 var examples = [
   {
     title: 'Switches can be set to true or false',
-    render(): React.Element<any> { return <BasicSwitchExample />; }
+    render(): React.Element<*> { return <BasicSwitchExample />; }
   },
   {
     title: 'Switches can be disabled',
-    render(): React.Element<any> { return <DisabledSwitchExample />; }
+    render(): React.Element<*> { return <DisabledSwitchExample />; }
   },
   {
     title: 'Change events can be detected',
-    render(): React.Element<any> { return <EventSwitchExample />; }
+    render(): React.Element<*> { return <EventSwitchExample />; }
   },
   {
     title: 'Switches are controlled components',
-    render(): React.Element<any> { return <Switch />; }
+    render(): React.Element<*> { return <Switch />; }
   }
 ];
 
 if (Platform.OS === 'ios') {
   examples.push({
     title: 'Custom colors can be provided',
-    render(): React.Element<any> { return <ColorSwitchExample />; }
+    render(): React.Element<*> { return <ColorSwitchExample />; }
   });
 }
 

Examples/UIExplorer/js/TextExample.ios.js

@@ -433,7 +433,7 @@ exports.examples = [
   },
 }, {
   title: 'Toggling Attributes',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <AttributeToggler />;
   },
 }, {
@@ -575,7 +575,7 @@ exports.examples = [
   },
 }, {
   title: 'Dynamic Font Size Adjustment',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <AdjustingFontSize />;
   },
 }];

Examples/UIExplorer/js/TextInputExample.ios.js

@@ -627,7 +627,7 @@ exports.examples = [
   },
   {
     title: 'Event handling',
-    render: function(): React.Element<any> { return <TextEventsExample />; },
+    render: function(): React.Element<*> { return <TextEventsExample />; },
   },
   {
     title: 'Colored input text',
@@ -725,7 +725,7 @@ exports.examples = [
   },
   {
     title: 'Blur on submit',
-    render: function(): React.Element<any> { return <BlurOnSubmitExample />; },
+    render: function(): React.Element<*> { return <BlurOnSubmitExample />; },
   },
   {
     title: 'Multiline blur on submit',

Examples/UIExplorer/js/TimerExample.js

@@ -242,7 +242,7 @@ exports.examples = [
     title: 'this.setInterval(fn, t)',
     description: 'Execute function fn every t milliseconds until cancelled ' +
       'or component is unmounted.',
-    render: function(): React.Element<any> {
+    render: function(): React.Element<*> {
       class IntervalExample extends React.Component {
         state = {
           showTimer: true,

Examples/UIExplorer/js/TouchableExample.js

@@ -78,14 +78,14 @@ exports.examples = [
   },
 }, {
   title: '<Text onPress={fn}> with highlight',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <TextOnPressBox />;
   },
 }, {
   title: 'Touchable feedback events',
   description: '<Touchable*> components accept onPress, onPressIn, ' +
     'onPressOut, and onLongPress as props.',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <TouchableFeedbackEvents />;
   },
 }, {
@@ -93,13 +93,13 @@ exports.examples = [
   description: '<Touchable*> components also accept delayPressIn, ' +
     'delayPressOut, and delayLongPress as props. These props impact the ' +
     'timing of feedback events.',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <TouchableDelayEvents />;
   },
 }, {
   title: '3D Touch / Force Touch',
   description: 'iPhone 6s and 6s plus support 3D touch, which adds a force property to touches',
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return <ForceTouchExample />;
   },
   platform: 'ios',
@@ -107,14 +107,14 @@ exports.examples = [
    title: 'Touchable Hit Slop',
    description: '<Touchable*> components accept hitSlop prop which extends the touch area ' +
      'without changing the view bounds.',
-   render: function(): React.Element<any> {
+   render: function(): React.Element<*> {
      return <TouchableHitSlop />;
    },
  }, {
    title: 'Disabled Touchable*',
    description: '<Touchable*> components accept disabled prop which prevents ' +
      'any interaction with component',
-   render: function(): React.Element<any> {
+   render: function(): React.Element<*> {
      return <TouchableDisabled />;
    },
  }];

Examples/UIExplorer/js/TransformExample.js

@@ -213,7 +213,7 @@ exports.examples = [
   {
     title: 'Perspective',
     description: 'perspective: 850, rotateX: Animated.timing(0 -> 360)',
-    render(): React.Element<any> { return <Flip />; }
+    render(): React.Element<*> { return <Flip />; }
   },
   {
     title: 'Translate, Rotate, Scale',

Examples/UIExplorer/js/TransparentHitTestExample.js

@@ -46,6 +46,6 @@ exports.description = 'Transparent view receiving touch events';
 exports.examples = [
   {
     title: 'TransparentHitTestExample',
-    render(): React.Element<any> { return <TransparentHitTestExample />; }
+    render(): React.Element<*> { return <TransparentHitTestExample />; }
   }
 ];

Examples/UIExplorer/js/UIExplorerApp.ios.js

@@ -145,7 +145,7 @@ class UIExplorerApp extends React.Component {
     );
   }
 
-  _renderHeader(props: NavigationSceneRendererProps): React.Element<any> {
+  _renderHeader(props: NavigationSceneRendererProps): React.Element<*> {
     return (
       <NavigationHeader
         {...props}
@@ -155,7 +155,7 @@ class UIExplorerApp extends React.Component {
     );
   }
 
-  _renderTitleComponent(props: NavigationSceneRendererProps): React.Element<any> {
+  _renderTitleComponent(props: NavigationSceneRendererProps): React.Element<*> {
     return (
       <NavigationHeader.Title>
         {UIExplorerStateTitleMap(props.scene.route)}
@@ -163,7 +163,7 @@ class UIExplorerApp extends React.Component {
     );
   }
 
-  _renderScene(props: NavigationSceneRendererProps): ?React.Element<any> {
+  _renderScene(props: NavigationSceneRendererProps): ?React.Element<*> {
     const state = props.scene.route;
     if (state.key === 'AppList') {
       return (

Examples/UIExplorer/js/UIExplorerExampleContainer.js

@@ -51,7 +51,7 @@ class UIExplorerExampleContainer extends React.Component {
     );
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     if (!this.props.module.examples) {
       return <this.props.module />;
     }

Examples/UIExplorer/js/UIExplorerExampleList.js

@@ -63,7 +63,7 @@ type Props = {
 class UIExplorerExampleList extends React.Component {
   props: Props
 
-  render(): ?React.Element<any> {
+  render(): ?React.Element<*> {
     const filterText = this.props.persister.state.filter;
     const filterRegex = new RegExp(String(filterText), 'i');
     const filter = (example) => filterRegex.test(example.module.title);
@@ -90,7 +90,7 @@ class UIExplorerExampleList extends React.Component {
     );
   }
 
-  _renderTitleRow(): ?React.Element<any> {
+  _renderTitleRow(): ?React.Element<*> {
     if (!this.props.displayTitleRow) {
       return null;
     }
@@ -106,7 +106,7 @@ class UIExplorerExampleList extends React.Component {
     );
   }
 
-  _renderTextInput(): ?React.Element<any> {
+  _renderTextInput(): ?React.Element<*> {
     if (this.props.disableSearch) {
       return null;
     }
@@ -129,7 +129,7 @@ class UIExplorerExampleList extends React.Component {
     );
   }
 
-  _renderSectionHeader(data: any, section: string): ?React.Element<any> {
+  _renderSectionHeader(data: any, section: string): ?React.Element<*> {
     return (
       <Text style={styles.sectionHeader}>
         {section.toUpperCase()}
@@ -137,7 +137,7 @@ class UIExplorerExampleList extends React.Component {
     );
   }
 
-  _renderExampleRow(example: {key: string, module: Object}): ?React.Element<any> {
+  _renderExampleRow(example: {key: string, module: Object}): ?React.Element<*> {
     return this._renderRow(
       example.module.title,
       example.module.description,
@@ -146,7 +146,7 @@ class UIExplorerExampleList extends React.Component {
     );
   }
 
-  _renderRow(title: string, description: string, key: ?string, handler: ?Function): ?React.Element<any> {
+  _renderRow(title: string, description: string, key: ?string, handler: ?Function): ?React.Element<*> {
     return (
       <View key={key || title}>
         <TouchableHighlight onPress={handler}>

Examples/UIExplorer/js/WebSocketExample.js

@@ -50,7 +50,7 @@ const WS_STATES = [
 ];
 
 class Button extends React.Component {
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     const label = <Text style={styles.buttonLabel}>{this.props.label}</Text>;
     if (this.props.disabled) {
       return (
@@ -70,7 +70,7 @@ class Button extends React.Component {
 }
 
 class Row extends React.Component {
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <View style={styles.row}>
         <Text>{this.props.label}</Text>
@@ -169,7 +169,7 @@ class WebSocketExample extends React.Component<any, any, State> {
     this.setState({outgoingMessage: ''});
   };
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     const socketState = WS_STATES[this.state.socketState || -1];
     const canConnect =
       !this.state.socket ||

Examples/UIExplorer/js/WebViewExample.js

@@ -337,15 +337,15 @@ exports.description = 'Base component to display web content';
 exports.examples = [
   {
     title: 'Simple Browser',
-    render(): React.Element<any> { return <WebViewExample />; }
+    render(): React.Element<*> { return <WebViewExample />; }
   },
   {
     title: 'Scale Page to Fit',
-    render(): React.Element<any> { return <ScaledWebView/>; }
+    render(): React.Element<*> { return <ScaledWebView/>; }
   },
   {
     title: 'Bundled HTML',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return (
         <WebView
           style={{
@@ -360,7 +360,7 @@ exports.examples = [
   },
   {
     title: 'Static HTML',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return (
         <WebView
           style={{
@@ -375,7 +375,7 @@ exports.examples = [
   },
   {
     title: 'POST Test',
-    render(): React.Element<any> {
+    render(): React.Element<*> {
       return (
         <WebView
           style={{

IntegrationTests/PromiseTest.js

@@ -65,7 +65,7 @@ class PromiseTest extends React.Component {
     }
   };
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return <View />;
   }
 }

Libraries/Components/Keyboard/KeyboardAvoidingView.js

@@ -149,7 +149,7 @@ const KeyboardAvoidingView = React.createClass({
     this.subscriptions.forEach((sub) => sub.remove());
   },
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     const {behavior, children, style, ...props} = this.props;
 
     switch (behavior) {

Libraries/Components/StaticRenderer.js

@@ -28,7 +28,7 @@ class StaticRenderer extends React.Component {
     return nextProps.shouldUpdate;
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return this.props.render();
   }
 }

Libraries/Components/StatusBar/StatusBar.js

@@ -386,7 +386,7 @@ class StatusBar extends React.Component {
     });
   };
 
-  render(): ?React.Element<any> {
+  render(): ?React.Element<*> {
     return null;
   }
 }

Libraries/Components/Touchable/TouchableBounce.js

@@ -131,7 +131,7 @@ var TouchableBounce = React.createClass({
     return 0;
   },
 
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     return (
       <Animated.View
         style={[{transform: [{scale: this.state.scale}]}, this.props.style]}

Libraries/Components/Touchable/TouchableWithoutFeedback.js

@@ -147,7 +147,7 @@ const TouchableWithoutFeedback = React.createClass({
     return this.props.delayPressOut || 0;
   },
 
-  render: function(): React.Element<any> {
+  render: function(): React.Element<*> {
     // Note(avik): remove dynamic typecast once Flow has been upgraded
     const child = React.Children.only(this.props.children);
     let children = child.props.children;

Libraries/CustomComponents/NavigationExperimental/NavigationCard.js

@@ -76,7 +76,7 @@ class NavigationCard extends React.Component<any, Props, any> {
     style: PropTypes.any,
   };
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     const {
       panHandlers,
       pointerEvents,

Libraries/CustomComponents/NavigationExperimental/NavigationCardStack.js

@@ -202,7 +202,7 @@ class NavigationCardStack extends React.Component<DefaultProps, Props, void> {
     this._renderScene = this._renderScene.bind(this);
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <NavigationTransitioner
         navigationState={this.props.navigationState}
@@ -212,7 +212,7 @@ class NavigationCardStack extends React.Component<DefaultProps, Props, void> {
     );
   }
 
-  _render(props: NavigationTransitionProps): React.Element<any> {
+  _render(props: NavigationTransitionProps): React.Element<*> {
     const {
       renderHeader
     } = this.props;
@@ -237,7 +237,7 @@ class NavigationCardStack extends React.Component<DefaultProps, Props, void> {
     );
   }
 
-  _renderScene(props: NavigationSceneRendererProps): React.Element<any> {
+  _renderScene(props: NavigationSceneRendererProps): React.Element<*> {
     const isVertical = this.props.direction === 'vertical';
 
     const style = isVertical ?

Libraries/CustomComponents/NavigationExperimental/NavigationHeaderTitle.js

@@ -43,7 +43,7 @@ const {
 } = ReactNative;
 
 type Props = {
-  children?: React.Element<any>,
+  children?: React.Element<*>,
   style?: any,
   textStyle?: any,
   viewProps?: any,

Libraries/CustomComponents/NavigationExperimental/NavigationPointerEventsContainer.js

@@ -86,7 +86,7 @@ function create(
       this._bindPosition(nextProps);
     }
 
-    render(): React.Element<any>  {
+    render(): React.Element<*>  {
       this._pointerEvents = this._computePointerEvents();
       return (
         <Component

Libraries/Experimental/Incremental.js

@@ -152,7 +152,7 @@ class Incremental extends React.Component<DefaultProps, Props, State> {
     }).done();
   }
 
-  render(): ?React.Element<any> {
+  render(): ?React.Element<*> {
     if (this._rendered || // Make sure that once we render once, we stay rendered even if incrementalGroupEnabled gets flipped.
         !this.context.incrementalGroupEnabled ||
         this.state.doIncrementalRender) {

Libraries/Experimental/IncrementalExample.js

@@ -124,7 +124,7 @@ class IncrementalExample extends React.Component {
       console.log('onDone:', stats);
     }, 0);
   }
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <IncrementalGroup
         disabled={false}

Libraries/Experimental/IncrementalGroup.js

@@ -65,7 +65,7 @@ class IncrementalGroup extends React.Component {
     };
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <Incremental
         onDone={this.props.onDone}

Libraries/Experimental/SwipeableRow/SwipeableListView.js

@@ -65,7 +65,7 @@ class SwipeableListView extends React.Component {
   props: Props;
   state: State;
 
-  _listViewRef: ?React.Element<any> = null;
+  _listViewRef: ?React.Element<*> = null;
   _shouldBounceFirstRowOnMount: boolean = false;
 
   static getNewDataSource(): Object {
@@ -118,7 +118,7 @@ class SwipeableListView extends React.Component {
     }
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <ListView
         {...this.props}
@@ -163,7 +163,7 @@ class SwipeableListView extends React.Component {
     }
   }
 
-  _renderRow = (rowData: Object, sectionID: string, rowID: string): React.Element<any> => {
+  _renderRow = (rowData: Object, sectionID: string, rowID: string): React.Element<*> => {
     const slideoutView = this.props.renderQuickActions(rowData, sectionID, rowID);
 
     // If renderRowSlideout is unspecified or returns falsey, don't allow swipe

Libraries/Experimental/SwipeableRow/SwipeableQuickActionButton.js

@@ -59,7 +59,7 @@ class SwipeableQuickActionButton extends React.Component {
     textStyle: Text.propTypes.style,
   };
 
-  render(): ?React.Element<any> {
+  render(): ?React.Element<*> {
     if (!this.props.imageSource && !this.props.text) {
       return null;
     }

Libraries/Experimental/SwipeableRow/SwipeableQuickActions.js

@@ -46,7 +46,7 @@ class SwipeableQuickActions extends React.Component {
     style: View.propTypes.style,
   };
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     // $FlowFixMe found when converting React.createClass to ES6
     const children = this.props.children;
     let buttons = [];

Libraries/Experimental/SwipeableRow/SwipeableRow.js

@@ -168,7 +168,7 @@ const SwipeableRow = React.createClass({
     return true;
   },
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     // The view hidden behind the main view
     let slideOutView;
     if (this.state.isSwipeableViewRendered) {

Libraries/Experimental/WindowedListView.js

@@ -90,15 +90,15 @@ type Props = {
    */
   renderRow: (
     rowData: any, sectionIdx: number, rowIdx: number, rowKey: string
-  ) => ?React.Element<any>,
+  ) => ?React.Element<*>,
   /**
    * Rendered when the list is scrolled faster than rows can be rendered.
    */
-  renderWindowBoundaryIndicator?: () => ?React.Element<any>,
+  renderWindowBoundaryIndicator?: () => ?React.Element<*>,
   /**
    * Always rendered at the bottom of all the rows.
    */
-  renderFooter?: () => ?React.Element<any>,
+  renderFooter?: () => ?React.Element<*>,
   /**
    * Pipes through normal onScroll events from the underlying `ScrollView`.
    */
@@ -138,7 +138,7 @@ type Props = {
    * A function that returns the scrollable component in which the list rows
    * are rendered. Defaults to returning a ScrollView with the given props.
    */
-  renderScrollComponent: (props: ?Object) => React.Element<any>,
+  renderScrollComponent: (props: ?Object) => React.Element<*>,
   /**
    * Use to disable incremental rendering when not wanted, e.g. to speed up initial render.
    */
@@ -431,7 +431,7 @@ class WindowedListView extends React.Component {
     this._firstVisible = newFirstVisible;
     this._lastVisible = newLastVisible;
   }
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     const {firstRow} = this.state;
     const lastRow = clamp(0, this.state.lastRow, this.props.data.length - 1);
     const rowFrames = this._rowFrames;
@@ -586,7 +586,7 @@ type CellProps = {
    */
    renderRow: (
       rowData: mixed, sectionIdx: number, rowIdx: number, rowKey: string
-   ) => ?React.Element<any>,
+   ) => ?React.Element<*>,
   /**
    * Index of the row, passed through to other callbacks.
    */

Libraries/Inspector/NetworkOverlay.js

@@ -58,7 +58,7 @@ class NetworkOverlay extends React.Component {
   _listViewHighlighted: bool;
   _listViewHeight: number;
   _scrollView: ?ScrollView;
-  _detailViewItems: Array<Array<React.Element<any>>>;
+  _detailViewItems: Array<Array<React.Element<*>>>;
   _listViewOnLayout: (event: Event) => void;
   _captureRequestListView: (listRef: ?ListView) => void;
   _captureDetailScrollView: (scrollRef: ?ScrollView) => void;
@@ -67,8 +67,8 @@ class NetworkOverlay extends React.Component {
     sectionID: number,
     rowID: number,
     highlightRow: (sectionID: number, rowID: number) => void,
-  ) => React.Element<any>;
-  _renderScrollComponent: (props: Object) => React.Element<any>;
+  ) => React.Element<*>;
+  _renderScrollComponent: (props: Object) => React.Element<*>;
   _closeButtonClicked: () => void;
   // Map of `socketId` -> `index in `_requests``.
   _socketIdMap: Object;
@@ -294,7 +294,7 @@ class NetworkOverlay extends React.Component {
     sectionID: number,
     rowID: number,
     highlightRow: (sectionID: number, rowID: number) => void,
-  ): React.Element<any> {
+  ): React.Element<*> {
     let urlCellViewStyle = styles.urlEvenCellView;
     let methodCellViewStyle = styles.methodEvenCellView;
     if (rowID % 2 === 1) {
@@ -327,7 +327,7 @@ class NetworkOverlay extends React.Component {
   _renderSeperator(
     sectionID: number,
     rowID: number,
-    adjacentRowHighlighted: bool): React.Element<any> {
+    adjacentRowHighlighted: bool): React.Element<*> {
     return (
       <View
         key={`${sectionID}-${rowID}`}
@@ -367,7 +367,7 @@ class NetworkOverlay extends React.Component {
     this._listViewHeight = height;
   }
 
-  _renderScrollComponent(props: Object): React.Element<any> {
+  _renderScrollComponent(props: Object): React.Element<*> {
     return (
       <RecyclerViewBackedScrollView {...props} />
     );

Libraries/Modal/Modal.js

@@ -129,7 +129,7 @@ class Modal extends React.Component {
     visible: true,
   };
 
-  render(): ?React.Element<any> {
+  render(): ?React.Element<*> {
     if (this.props.visible === false) {
       return null;
     }

Libraries/NavigationExperimental/NavigationTransitioner.js

@@ -175,7 +175,7 @@ class NavigationTransitioner extends React.Component<any, Props, State> {
     });
   }
 
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     return (
       <View
         onLayout={this._onLayout}

Libraries/NavigationExperimental/NavigationTypeDefinition.js

@@ -114,7 +114,7 @@ export type NavigationAnimationSetter = (
 
 export type NavigationSceneRenderer = (
   props: NavigationSceneRendererProps,
-) => ?React.Element<any>;
+) => ?React.Element<*>;
 
 export type NavigationStyleInterpolator = (
   props: NavigationSceneRendererProps,

Libraries/ReactNative/UIManager.js

@@ -44,7 +44,7 @@ const _takeSnapshot = UIManager.takeSnapshot;
  * @platform ios
  */
 UIManager.takeSnapshot = async function(
-  view ?: 'window' | React.Element<any> | number,
+  view ?: 'window' | React.Element<*> | number,
   options ?: {
     width ?: number,
     height ?: number,

Libraries/Text/Text.js

@@ -221,7 +221,7 @@ const Text = React.createClass({
   touchableHandlePress: (null: ?Function),
   touchableHandleLongPress: (null: ?Function),
   touchableGetPressRectOffset: (null: ?Function),
-  render(): React.Element<any> {
+  render(): React.Element<*> {
     let newProps = this.props;
     if (this.props.onStartShouldSetResponder || this._hasPressHandler()) {
       if (!this._handlers) {