Navigator#replaceAtIndex()

replaceAtIndex(route, index, cb) Replace a scene as specified by an index index specifies the route in the stack that should be replaced. If it's negative, it counts from the back.

View#onResponderRelease

onResponderRelease function

SegmentedControlIOS#onValueChange

onValueChange function Callback that is called when the user taps a segment; passes the segment's value as an argument

ScrollView#snapToAlignment

iossnapToAlignment enum('start', 'center', 'end') When snapToInterval is set, snapToAlignment will define the relationship of the snapping to the scroll view. - start (the default) will align the snap at the left (horizontal) or top (vertical) - center will align the snap in the center - end will align the snap at the right (horizontal) or bottom (vertical)

ScrollView#minimumZoomScale

iosminimumZoomScale number The minimum allowed zoom scale. The default value is 1.0.

Text#style

style style View#style... color color fontFamily string fontSize number fontStyle enum('normal', 'italic') fontWeight enum('normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900') Specifies font weight. The values 'normal' and 'bold' are supported for most fonts. Not all fonts have a variant for each of the numeric values, in that case the closest one is chosen. lineHeight number textAlign enum('auto', 'left', 'right', 'center', 'justify') Specifies text alignmen

ScrollView#scrollTo()

scrollTo(y: number | { x?: number, y?: number, animated?: boolean }, x: number, animated: boolean) Scrolls to a given x, y offset, either immediately or with a smooth animation. Syntax: scrollTo(options: {x: number = 0; y: number = 0; animated: boolean = true}) Note: The weird argument signature is due to the fact that, for historical reasons, the function also accepts separate arguments as as alternative to the options object. This is deprecated due to ambiguity (y before x), and SHOULD NOT

ListView#removeClippedSubviews

removeClippedSubviews bool A performance optimization for improving scroll perf of large lists, used in conjunction with overflow: 'hidden' on the row containers. This is enabled by default.

Image.getSize()

static getSize(uri: string, success: (width: number, height: number) => void, failure: (error: any) => void) Retrieve the width and height (in pixels) of an image prior to displaying it. This method can fail if the image cannot be found, or fails to download. In order to retrieve the image dimensions, the image may first need to be loaded or downloaded, after which it will be cached. This means that in principle you could use this method to preload images, however it is not optimized f

Image#style

style style Flexbox... ShadowPropTypesIOS#style... Transforms... backfaceVisibility enum('visible', 'hidden') backgroundColor color borderBottomLeftRadius number borderBottomRightRadius number borderColor color borderRadius number borderTopLeftRadius number borderTopRightRadius number borderWidth number opacity number overflow enum('visible', 'hidden') resizeMode Object.keys(ImageResizeMode) tintColor color Changes the color of all the non-transparent pixels to the tintColor. an