0.0.3 • Published 2 years ago
react-native-before-after v0.0.3
Supported features
- Zoom to scale
- Double tap to scale
- Native iOS feeling (rubber effect, decay animation on pan gesture)
- RTL support
- Fully customizable
- Both orientations (portrait + landscape)
- Infinite list
- Supports both iOS and Android.
Installation
Note: Starting from v0.3.0 using Gesture Handler v2 is required
First you have to follow installation instructions of Reanimated v2 and react-native-gesture-handler
yarn add react-native-awesome-galleryExpo is supported since SDK 40. More information here
Usage
Check out an example folder for example with Shared transition + FastImage
import Gallery from 'react-native-awesome-gallery';
// ...
const images = ['https://image1', 'https://image2'];
return (
<Gallery
data={images}
onIndexChange={(newIndex) => {
console.log(newIndex);
}}
/>
);Props
| Prop | Description | Type | Default |
|---|---|---|---|
| data | Array of items to render | T[] | undefined |
| renderItem? | Callback func which can be used to render custom image component, e.g FastImage. NOTE: You have to call setImageDimensions({width, height}) parameter after image is loaded | (renderItemInfo: {item: T, index: number, setImageDimensions: Function}) => React.ReactElement | undefined |
| keyExtractor? | Callback func which provides unique keys for items | (item: T, index: number) => string or number | Takes id or key or _id from Item, otherwise puts Item as key |
| initialIndex? | The initial image index | number | 0 |
| onIndexChange? | Is called when index of active item is changed | (newIndex: number) => void | undefined |
| numToRender? | Amount of items rendered in gallery simultaneously | number | 5 |
| emptySpaceWidth? | Width of empty space between items | number | 30 |
| doubleTapScale? | Image scale when double tap is fired | number | 3 |
| doubleTapInterval? | Time in milliseconds between single and double tap events | number | 500 |
| maxScale? | Maximum scale user can set with gesture | number | 6 |
| pinchEnabled? | Is pinch gesture enabled | boolean | true |
| disableTransitionOnScaledImage? | Disables transition to next/previous image when scale > 1 | boolean | false |
| hideAdjacentImagesOnScaledImage? | Hides next and previous images when scale > 1 | boolean | false |
| disableVerticalSwipe? | Disables vertical swipe when scale == 1 | boolean | false |
| disableSwipeUp? | Disables swipe up when scale == 1 | boolean | false |
| loop? | Allows user to swipe infinitely. Works when data.length > 1 | boolean | false |
| onScaleChange? | Is called when scale is changed | (scale: number) => void | undefined |
| onScaleChangeRange? | Shows range of scale in which onScaleChange is called | {start: number, end: number} | undefined |
| containerDimensions? | Dimensions object for the View that wraps gallery. | {width: number, height: number} | value returned from useWindowDimensions() hook. |
| style? | Style of container | ViewStyle | undefined |
Events
| Prop | Description | Type |
|---|---|---|
| onSwipeToClose | Fired when user swiped to top/bottom | Function |
| onTap | Fired when user tap on image | Function |
| onDoubleTap | Fired when user double tap on image | Function |
| onLongPress | Fired when long press is detected | Function |
| onScaleStart | Fired when pinch gesture starts | Function |
| onScaleEnd(scale: number) | Fired when pinch gesture ends. Use case: add haptic feedback when user finished gesture with scale > maxScale or scale < 1 | Function |
| onPanStart | Fired when pan gesture starts | Function |
Methods
import Gallery, { GalleryRef } from 'react-native-awesome-gallery';
// ...
const ref = useRef<GalleryRef>(null);| Prop | Description | Type |
|---|---|---|
| setIndex | Sets active index | (newIndex: number) => void |
| reset | Resets scale, translation | (animated?: boolean) => void |
Supporting
If you want to support the library, you can buy me a coffee.
License
MIT