more UIExplorer flow

Examples/UIExplorer/NavigatorIOSExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -150,7 +151,7 @@ var NavigatorIOSExample = React.createClass({
     });
   },
 
-  _renderRow: function(title, onPress) {
+  _renderRow: function(title: string, onPress: Function) {
     return (
       <View>
         <TouchableHighlight onPress={onPress}>

Examples/UIExplorer/NetInfoExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -120,16 +121,16 @@ exports.examples = [
   {
     title: 'NetInfo.isConnected',
     description: 'Asyncronously load and observe connectivity',
-    render() { return <IsConnected />; }
+    render(): ReactElement { return <IsConnected />; }
   },
   {
     title: 'NetInfo.reachabilityIOS',
     description: 'Asyncronously load and observe iOS reachability',
-    render() { return <ReachabilityCurrent />; }
+    render(): ReactElement { return <ReachabilityCurrent />; }
   },
   {
     title: 'NetInfo.reachabilityIOS',
     description: 'Observed updates to iOS reachability',
-    render() { return <ReachabilitySubscription />; }
+    render(): ReactElement { return <ReachabilitySubscription />; }
   },
 ];

Examples/UIExplorer/PickerExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -105,7 +106,7 @@ exports.description = 'Render lists of selectable options with UIPickerView.';
 exports.examples = [
 {
   title: '<PickerIOS>',
-  render: function() {
+  render: function(): ReactElement {
     return <PickerExample />;
   },
 }];

Examples/UIExplorer/PointerEventsExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 

Examples/UIExplorer/ScrollViewExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 

Examples/UIExplorer/SliderIOSExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -50,6 +51,6 @@ exports.description = 'Slider input for numeric values';
 exports.examples = [
   {
     title: 'SliderIOS',
-    render() { return <SliderExample />; }
+    render(): ReactElement { return <SliderExample />; }
   }
 ];

Examples/UIExplorer/StatusBarIOSExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 

Examples/UIExplorer/SwitchExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -118,22 +119,22 @@ exports.description = 'Native boolean input';
 exports.examples = [
   {
     title: 'Switches can be set to true or false',
-    render() { return <BasicSwitchExample />; }
+    render(): ReactElement { return <BasicSwitchExample />; }
   },
   {
     title: 'Switches can be disabled',
-    render() { return <DisabledSwitchExample />; }
+    render(): ReactElement { return <DisabledSwitchExample />; }
   },
   {
     title: 'Custom colors can be provided',
-    render() { return <ColorSwitchExample />; }
+    render(): ReactElement { return <ColorSwitchExample />; }
   },
   {
     title: 'Change events can be detected',
-    render() { return <EventSwitchExample />; }
+    render(): ReactElement { return <EventSwitchExample />; }
   },
   {
     title: 'Switches are controlled components',
-    render() { return <SwitchIOS />; }
+    render(): ReactElement { return <SwitchIOS />; }
   }
 ];

Examples/UIExplorer/TextExample.ios.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -199,7 +200,7 @@ exports.examples = [
   },
 }, {
   title: 'Toggling Attributes',
-  render: function() {
+  render: function(): ReactElement {
     return <AttributeToggler />;
   },
 }, {

Examples/UIExplorer/TextInputExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -164,7 +165,7 @@ exports.examples = [
   },
   {
     title: 'Event handling',
-    render: () => <TextEventsExample />,
+    render: function(): ReactElement { return <TextEventsExample /> },
   },
   {
     title: 'Colored input text',

Examples/UIExplorer/TimerExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -31,6 +32,12 @@ var Button = React.createClass({
 var TimerTester = React.createClass({
   mixins: [TimerMixin],
 
+  _ii: 0,
+  _iters: 0,
+  _start: 0,
+  _timerFn: (null : ?(() => any)),
+  _handle: (null : any),
+
   render: function() {
     var args = 'fn' + (this.props.dt !== undefined ? ', ' + this.props.dt : '');
     return (
@@ -71,7 +78,7 @@ var TimerTester = React.createClass({
         'Elapsed time: ' + e + ' ms\n' + (e / this._ii) + ' ms / iter';
       console.log(msg);
       AlertIOS.alert(msg);
-      this._start = null;
+      this._start = 0;
       this.forceUpdate(() => { this._ii = 0; });
       return;
     }
@@ -153,7 +160,7 @@ exports.examples = [
     title: 'this.setInterval(fn, t)',
     description: 'Execute function fn every t milliseconds until cancelled ' +
       'or component is unmounted.',
-    render: function() {
+    render: function(): ReactElement {
       var IntervalExample = React.createClass({
         getInitialState: function() {
           return {

Examples/UIExplorer/TouchableExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -53,14 +54,14 @@ exports.examples = [
   },
 }, {
   title: '<Text onPress={fn}> with highlight',
-  render: function() {
+  render: function(): ReactElement {
     return <TextOnPressBox />;
   },
 }, {
   title: 'Touchable feedback events',
   description: '<Touchable*> components accept onPress, onPressIn, ' +
     'onPressOut, and onLongPress as props.',
-  render: function() {
+  render: function(): ReactElement {
     return <TouchableFeedbackEvents />;
   },
 }];

Examples/UIExplorer/UIExplorerApp.js

@@ -2,6 +2,7 @@
  * Copyright 2004-present Facebook. All Rights Reserved.
  *
  * @providesModule UIExplorerApp
+ * @flow
  */
 'use strict';
 

Examples/UIExplorer/UIExplorerBlock.js

@@ -2,6 +2,7 @@
  * Copyright 2004-present Facebook. All Rights Reserved.
  *
  * @providesModule UIExplorerBlock
+ * @flow
  */
 'use strict';
 
@@ -19,7 +20,7 @@ var UIExplorerBlock = React.createClass({
   },
 
   getInitialState: function() {
-    return {description: null};
+    return {description: (null: ?string)};
   },
 
   render: function() {

Examples/UIExplorer/UIExplorerList.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 

Examples/UIExplorer/UIExplorerPage.js

@@ -2,6 +2,7 @@
  * Copyright 2004-present Facebook. All Rights Reserved.
  *
  * @providesModule UIExplorerPage
+ * @flow
  */
 'use strict';
 

Examples/UIExplorer/UIExplorerTitle.js

@@ -2,6 +2,7 @@
  * Copyright 2004-present Facebook. All Rights Reserved.
  *
  * @providesModule UIExplorerTitle
+ * @flow
  */
 'use strict';
 

Examples/UIExplorer/VibrationIOSExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 

Examples/UIExplorer/ViewExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 

Examples/UIExplorer/WebViewExample.js

@@ -1,5 +1,6 @@
 /**
  * Copyright 2004-present Facebook. All Rights Reserved.
+ * @flow
  */
 'use strict';
 
@@ -35,6 +36,8 @@ var WebViewExample = React.createClass({
     };
   },
 
+  inputText: '',
+
   handleTextInputChange: function(event) {
     this.inputText = event.nativeEvent.text;
   },
@@ -259,6 +262,6 @@ exports.description = 'Base component to display web content';
 exports.examples = [
   {
     title: 'WebView',
-    render() { return <WebViewExample />; }
+    render(): ReactElement { return <WebViewExample />; }
   }
 ];

Libraries/Components/StatusBar/StatusBarIOS.ios.js

@@ -21,7 +21,7 @@ var StatusBarIOS = {
     slide: RCTStatusBarManager.Animation.slide,
   },
 
-  setStyle(style: number, animated: boolean) {
+  setStyle(style: number, animated?: boolean) {
     animated = animated || false;
     RCTStatusBarManager.setStyle(style, animated);
   },

Libraries/Utilities/AlertIOS.js

@@ -43,7 +43,7 @@ class AlertIOS {
    */
   static alert(
     title: ?string,
-    message: ?string,
+    message?: ?string,
     buttons?: Array<{
       text: ?string;
       onPress: ?Function;