onPress function This function is called on press.

Android requires that all apps be digitally signed with a certificate before they can be installed, so to distribute your Android application via Google Play store, you'll need to generate a signed release APK. The Signing Your Applications page on Android Developers documentation describes the topic in detail. This guide covers the process in brief, as well as lists the steps required to packaging the JavaScript bundle. Generating a signing key You can generate a private signing key using ke

Events: CallExpression

testID string Used to locate this view in end-to-end tests.

iostrackImage Image.propTypes.source Assigns a single image for the track. Only static images are supported. The center pixel of the image will be stretched to fill the track.

returnKeyType enum('done', 'go', 'next', 'search', 'send', 'none', 'previous', 'default', 'emergency-call', 'google', 'join', 'route', 'yahoo') Determines how the return key should look. On Android you can also use returnKeyLabel. The following values work across platforms: done go next search send The following values work on Android only: none previous The following values work on iOS only: default emergency-call google join route yahoo

indeterminate indeterminateType If the progress bar will show indeterminate progress. Note that this can only be false if styleAttr is Horizontal.

onPress function Callback when this tab is being selected, you should change the state of your component to set selected={true}.

static get() Returns the device pixel density. Some examples: PixelRatio.get() === 1mdpi Android devices (160 dpi) PixelRatio.get() === 1.5hdpi Android devices (240 dpi) PixelRatio.get() === 2iPhone 4, 4S iPhone 5, 5c, 5s iPhone 6 xhdpi Android devices (320 dpi) PixelRatio.get() === 3iPhone 6 plus xxhdpi Android devices (480 dpi) PixelRatio.get() === 3.5Nexus 6

onLongPress function This function is called on long press.