⚠️ You are viewing the README for v4 (view [v3](https://github.com/computerjazz/react-native-draggable-flatlist/blob/17897b3b5d771e854c9ccbd952332f5deabbd85d/README.md), [v2](https://github.com/computerjazz/react-native-draggable-flatlist/blob/b60c23035fc0371a735cde1d000e9ad7f8e0f049/README.md) ) # React Native Draggable FlatList A drag-and-drop-enabled FlatList component for React Native.
Fully native interactions powered by [Reanimated](https://github.com/kmagiera/react-native-reanimated) and [React Native Gesture Handler](https://github.com/kmagiera/react-native-gesture-handler).

To use swipeable list items in a DraggableFlatList see [React Native Swipeable Item](https://github.com/computerjazz/react-native-swipeable-item). ![Draggable FlatList demo](https://i.imgur.com/xHCylq1.gif) ## Install 1. Follow installation instructions for [reanimated](https://github.com/kmagiera/react-native-reanimated) and [react-native-gesture-handler](https://github.com/kmagiera/react-native-gesture-handler). RNGH may require you to make changes to `MainActivity.java`. Be sure to [follow all Android instructions!](https://docs.swmansion.com/react-native-gesture-handler/docs/#android) 2. Install this package using `npm` or `yarn` with `npm`: ``` npm install --save react-native-draggable-flatlist ``` with `yarn`: ``` yarn add react-native-draggable-flatlist ``` 3. `import DraggableFlatList from 'react-native-draggable-flatlist'` ## Api ### Props All props are spread onto underlying [FlatList](https://facebook.github.io/react-native/docs/flatlist) | Name | Type | Description | :------------------------- | :---------------------------------------------------------------------------------------- | :----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | `data` | `T[]` | Items to be rendered. | | `ref` | `React.RefObject>` | FlatList ref to be forwarded to the underlying FlatList. | | `renderItem` | `(params: { item: T, getIndex: () => number \| undefined, drag: () => void, isActive: boolean}) => JSX.Element` | Call `drag` when the row should become active (i.e. in an `onLongPress` or `onPressIn`). | | `renderPlaceholder` | `(params: { item: T, index: number }) => React.ReactNode` | Component to be rendered underneath the hovering component | | `keyExtractor` | `(item: T, index: number) => string` | Unique key for each item (required) | | `onDragBegin` | `(index: number) => void` | Called when row becomes active. | | `onRelease` | `(index: number) => void` | Called when active row touch ends. | | `onDragEnd` | `(params: { data: T[], from: number, to: number }) => void` | Called after animation has completed. Returns updated ordering of `data` | | `autoscrollThreshold` | `number` | Distance from edge of container where list begins to autoscroll when dragging. | | `autoscrollSpeed` | `number` | Determines how fast the list autoscrolls. | | `animationConfig` | `Partial` | Configure list animations. See [reanimated spring config](https://docs.swmansion.com/react-native-reanimated/docs/api/animations/withSpring/#options-object) | | `activationDistance` | `number` | Distance a finger must travel before the gesture handler activates. Useful when using a draggable list within a TabNavigator so that the list does not capture navigator gestures. | | `onScrollOffsetChange` | `(offset: number) => void` | Called with scroll offset. Stand-in for `onScroll`. | | `onPlaceholderIndexChange` | `(index: number) => void` | Called when the index of the placeholder changes | | `dragItemOverflow` | `boolean` | If true, dragged item follows finger beyond list boundary. | | `dragHitSlop` | `object: {top: number, left: number, bottom: number, right: number}` | Enables control over what part of the connected view area can be used to begin recognizing the gesture. Numbers need to be non-positive (only possible to reduce responsive area). | | `debug` | `boolean` | Enables debug logging and animation debugger. | | `containerStyle` | `StyleProp` | Style of the main component. | | `simultaneousHandlers` | `React.Ref` or `React.Ref[]` | References to other gesture handlers, mainly useful when using this component within a `ScrollView`. See [Cross handler interactions](https://docs.swmansion.com/react-native-gesture-handler/docs/interactions/). | |`itemEnteringAnimation`| Reanimated `AnimationBuilder` ([docs](https://docs.swmansion.com/react-native-reanimated/docs/api/LayoutAnimations/entryAnimations)) | Animation when item is added to list.| |`itemExitingAnimation`| Reanimated `AnimationBuilder` ([docs](https://docs.swmansion.com/react-native-reanimated/docs/api/LayoutAnimations/exitAnimations))| Animation when item is removed from list.| |`itemLayoutAnimation`| Reanimated `AnimationBuilder` ([docs](https://docs.swmansion.com/react-native-reanimated/docs/api/LayoutAnimations/layoutTransitions))| Animation when list items change position (`enableLayoutAnimationExperimental` prop must be `true`).| |`enableLayoutAnimationExperimental`| `boolean`| Flag to turn on experimental support for `itemLayoutAnimation`.| ## Cell Decorators Cell Decorators are an easy way to add common hover animations. For example, wrapping `renderItem` in the `` component will automatically scale up the active item while hovering (see example below). `ScaleDecorator`, `ShadowDecorator`, and `OpacityDecorator` are currently exported. Developers may create their own custom decorators using the animated values provided by the `useOnCellActiveAnimation` hook. ## Nesting DraggableFlatLists It's possible to render multiple `DraggableFlatList` components within a single scrollable parent by wrapping one or more `NestableDraggableFlatList` components within an outer `NestableScrollContainer` component. `NestableScrollContainer` extends the `ScrollView` from `react-native-gesture-handler`, and `NestableDraggableFlatList` extends `DraggableFlatList`, so all available props may be passed into both of them. > Note: When using NestableDraggableFlatLists, all React Native warnings about nested list performance will be disabled. ```tsx import { NestableScrollContainer, NestableDraggableFlatList } from "react-native-draggable-flatlist" ... const [data1, setData1] = useState(initialData1); const [data2, setData2] = useState(initialData2); const [data3, setData3] = useState(initialData3); return (

setData1(data)} />

setData2(data)} />

setData3(data)} /> ) ``` ![Nested DraggableFlatList demo](https://i.imgur.com/Kv0aj4l.gif) ## Example Example snack: https://snack.expo.dev/@computerjazz/draggable-flatlist-examples
```typescript import React, { useState } from "react"; import { Text, View, StyleSheet, TouchableOpacity } from "react-native"; import DraggableFlatList, { ScaleDecorator, } from "react-native-draggable-flatlist"; const NUM_ITEMS = 10; function getColor(i: number) { const multiplier = 255 / (NUM_ITEMS - 1); const colorVal = i * multiplier; return `rgb(${colorVal}, ${Math.abs(128 - colorVal)}, ${255 - colorVal})`; } type Item = { key: string; label: string; height: number; width: number; backgroundColor: string; }; const initialData: Item[] = [...Array(NUM_ITEMS)].map((d, index) => { const backgroundColor = getColor(index); return { key: `item-${index}`, label: String(index) + "", height: 100, width: 60 + Math.random() * 40, backgroundColor, }; }); export default function App() { const [data, setData] = useState(initialData); const renderItem = ({ item, drag, isActive }: RenderItemParams) => { return ( {item.label} ); }; return ( setData(data)} keyExtractor={(item) => item.key} renderItem={renderItem} /> ); } const styles = StyleSheet.create({ rowItem: { height: 100, width: 100, alignItems: "center", justifyContent: "center", }, text: { color: "white", fontSize: 24, fontWeight: "bold", textAlign: "center", }, }); ```

	Stars	Issues	Version	Updated	Created
react-native-dnd-list	851	115	1.0.0	4 years ago	4 years ago
react-native-draggable-flatlist	1,826	170	4.0.1	a year ago	6 years ago
react-native-draggable-view	116	14	0.0.6	6 years ago	7 years ago

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