ProgressViewIOS#progressTintColor

progressTintColor string The tint color of the progress bar itself.

Alert.alert()

static alert(title, message?, buttons?, type?)

ScrollView#maximumZoomScale

iosmaximumZoomScale number The maximum allowed zoom scale. The default value is 1.0.

AsyncStorage.multiGet()

static multiGet(keys, callback?) multiGet invokes callback with an array of key-value pair arrays that matches the input format of multiSet. Returns a Promise object. multiGet(['k1', 'k2'], cb) -> cb([['k1', 'val1'], ['k2', 'val2']]) Example: AsyncStorage.getAllKeys((err, keys) => { AsyncStorage.multiGet(keys, (err, stores) => { stores.map((result, i, store) => { // get at each store's key/value so you can work with it let key = store[i][0]; let value = store

Integrating with Existing Apps

Since React makes no assumptions about the rest of your technology stack, it's easily embeddable within an existing non-React Native app. Requirements an existing, gradle-based Android app Node.js, see Getting Started for setup instructions Prepare your app In your app's build.gradle file add the React Native dependency: compile "com.facebook.react:react-native:+" // From node_modules In your project's build.gradle file add an entry for the local React Native maven directory: allprojects

PushNotificationIOS.removeEventListener()

static removeEventListener(type, handler) Removes the event listener. Do this in componentWillUnmount to prevent memory leaks

Slider#onSlidingComplete

onSlidingComplete function Callback called when the user finishes changing the value (e.g. when the slider is released).

WebView#scalesPageToFit

scalesPageToFit bool Sets whether the webpage scales to fit the view and the user can change the scale.

TextInput#defaultValue

defaultValue string Provides an initial value that will change when the user starts typing. Useful for simple use-cases where you don't want to deal with listening to events and updating the value prop to keep the controlled state in sync.

TouchableHighlight#onHideUnderlay

onHideUnderlay function Called immediately after the underlay is hidden