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<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>LayoutAnimation · React Native</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="Automatically animates views to their new positions when the next layout happens."/><meta name="docsearch:version" content="0.62"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="LayoutAnimation · React Native"/><meta property="og:type" content="website"/><meta property="og:url" content="https://reactnative.dev/"/><meta property="og:description" content="Automatically animates views to their new positions when the next layout happens."/><meta property="og:image" content="https://reactnative.dev/img/logo-og.png"/><meta name="twitter:card" content="summary"/><meta name="twitter:image" content="https://reactnative.dev/img/logo-og.png"/><link rel="shortcut icon" href="/img/favicon.ico"/><link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/solarized-dark.min.css"/><link rel="alternate" type="application/atom+xml" href="https://reactnative.dev/blog/atom.xml" title="React Native Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://reactnative.dev/blog/feed.xml" title="React Native Blog RSS Feed"/><script>
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</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/facebook/react-native-website/blob/master/docs/layoutanimation.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">LayoutAnimation</h1></header><article><div><span><p>Automatically animates views to their new positions when the next layout happens.</p>
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<p>A common way to use this API is to call it before updating the state hook in functional components and calling <code>setState</code> in class components.</p>
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<p>Note that in order to get this to work on <strong>Android</strong> you need to set the following flags via <code>UIManager</code>:</p>
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<pre><code class="hljs css language-js"><span class="token keyword">if</span> <span class="token punctuation">(</span>Platform<span class="token punctuation">.</span><span class="token constant">OS</span> <span class="token operator">===</span> <span class="token string">'android'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span>UIManager<span class="token punctuation">.</span>setLayoutAnimationEnabledExperimental<span class="token punctuation">)</span> <span class="token punctuation">{</span>
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UIManager<span class="token punctuation">.</span><span class="token function">setLayoutAnimationEnabledExperimental</span><span class="token punctuation">(</span><span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span>
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<span class="token punctuation">}</span>
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||
</code></pre>
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<h2><a class="anchor" aria-hidden="true" id="example"></a><a href="#example" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Example</h2>
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||
<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { useState } <span class="hljs-keyword">from</span> <span class="hljs-string">"react"</span>;
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<span class="hljs-keyword">import</span> { LayoutAnimation, Platform, StyleSheet, Text, TouchableOpacity, UIManager, View } <span class="hljs-keyword">from</span> <span class="hljs-string">"react-native"</span>;
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<span class="hljs-keyword">if</span> (
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Platform.OS === <span class="hljs-string">"android"</span> &&
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UIManager.setLayoutAnimationEnabledExperimental
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) {
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UIManager.setLayoutAnimationEnabledExperimental(<span class="hljs-literal">true</span>);
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}
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<span class="hljs-keyword">const</span> App = <span class="hljs-function"><span class="hljs-params">()</span> =></span> {
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||
<span class="hljs-keyword">const</span> [expanded, setExpanded] = useState(<span class="hljs-literal">false</span>);
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<span class="hljs-keyword">return</span> (
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<span class="xml"><span class="hljs-tag"><<span class="hljs-name">View</span> <span class="hljs-attr">style</span>=<span class="hljs-string">{style.container}</span>></span>
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<span class="hljs-tag"><<span class="hljs-name">TouchableOpacity</span>
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<span class="hljs-attr">onPress</span>=<span class="hljs-string">{()</span> =></span> {
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LayoutAnimation.configureNext(LayoutAnimation.Presets.spring);
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setExpanded(!expanded);
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||
}}
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||
>
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||
<span class="hljs-tag"><<span class="hljs-name">Text</span>></span>Press me to {expanded ? "collapse" : "expand"}!<span class="hljs-tag"></<span class="hljs-name">Text</span>></span>
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||
<span class="hljs-tag"></<span class="hljs-name">TouchableOpacity</span>></span>
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||
{expanded && (
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||
<span class="hljs-tag"><<span class="hljs-name">View</span> <span class="hljs-attr">style</span>=<span class="hljs-string">{style.tile}</span>></span>
|
||
<span class="hljs-tag"><<span class="hljs-name">Text</span>></span>I disappear sometimes!<span class="hljs-tag"></<span class="hljs-name">Text</span>></span>
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||
<span class="hljs-tag"></<span class="hljs-name">View</span>></span>
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||
)}
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||
<span class="hljs-tag"></<span class="hljs-name">View</span>></span></span>
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||
);
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||
};
|
||
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||
<span class="hljs-keyword">const</span> style = StyleSheet.create({
|
||
<span class="hljs-attr">tile</span>: {
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||
<span class="hljs-attr">background</span>: <span class="hljs-string">"lightGrey"</span>,
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||
<span class="hljs-attr">borderWidth</span>: <span class="hljs-number">0.5</span>,
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||
<span class="hljs-attr">borderColor</span>: <span class="hljs-string">"#d6d7da"</span>
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||
},
|
||
<span class="hljs-attr">container</span>: {
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||
<span class="hljs-attr">flex</span>: <span class="hljs-number">1</span>,
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||
<span class="hljs-attr">justifyContent</span>: <span class="hljs-string">"center"</span>,
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||
<span class="hljs-attr">alignItems</span>: <span class="hljs-string">"center"</span>,
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<span class="hljs-attr">overflow</span>: <span class="hljs-string">"hidden"</span>
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}
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});
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||
<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> App;
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||
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||
</code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
|
||
data-snack-name="LayoutAnimation"
|
||
data-snack-description="Example usage"
|
||
data-snack-code="import%20React%2C%20%7B%20useState%20%7D%20from%20%22react%22%3B%0Aimport%20%7B%20LayoutAnimation%2C%20Platform%2C%20StyleSheet%2C%20Text%2C%20TouchableOpacity%2C%20UIManager%2C%20View%20%7D%20from%20%22react-native%22%3B%0A%0Aif%20(%0A%20%20Platform.OS%20%3D%3D%3D%20%22android%22%20%26%26%0A%20%20UIManager.setLayoutAnimationEnabledExperimental%0A)%20%7B%0A%20%20UIManager.setLayoutAnimationEnabledExperimental(true)%3B%0A%7D%0Aconst%20App%20%3D%20()%20%3D%3E%20%7B%0A%20%20const%20%5Bexpanded%2C%20setExpanded%5D%20%3D%20useState(false)%3B%0A%0A%20%20return%20(%0A%20%20%20%20%3CView%20style%3D%7Bstyle.container%7D%3E%0A%20%20%20%20%20%20%3CTouchableOpacity%0A%20%20%20%20%20%20%20%20onPress%3D%7B()%20%3D%3E%20%7B%0A%20%20%20%20%20%20%20%20%20%20LayoutAnimation.configureNext(LayoutAnimation.Presets.spring)%3B%0A%20%20%20%20%20%20%20%20%20%20setExpanded(!expanded)%3B%0A%20%20%20%20%20%20%20%20%7D%7D%0A%20%20%20%20%20%20%3E%0A%20%20%20%20%20%20%20%20%3CText%3EPress%20me%20to%20%7Bexpanded%20%3F%20%22collapse%22%20%3A%20%22expand%22%7D!%3C%2FText%3E%0A%20%20%20%20%20%20%3C%2FTouchableOpacity%3E%0A%20%20%20%20%20%20%7Bexpanded%20%26%26%20(%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7Bstyle.tile%7D%3E%0A%20%20%20%20%20%20%20%20%20%20%3CText%3EI%20disappear%20sometimes!%3C%2FText%3E%0A%20%20%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20%20%20)%7D%0A%20%20%20%20%3C%2FView%3E%0A%20%20)%3B%0A%7D%3B%0A%0Aconst%20style%20%3D%20StyleSheet.create(%7B%0A%20%20tile%3A%20%7B%0A%20%20%20%20background%3A%20%22lightGrey%22%2C%0A%20%20%20%20borderWidth%3A%200.5%2C%0A%20%20%20%20borderColor%3A%20%22%23d6d7da%22%0A%20%20%7D%2C%0A%20%20container%3A%20%7B%0A%20%20%20%20flex%3A%201%2C%0A%20%20%20%20justifyContent%3A%20%22center%22%2C%0A%20%20%20%20alignItems%3A%20%22center%22%2C%0A%20%20%20%20overflow%3A%20%22hidden%22%0A%20%20%7D%0A%7D)%3B%0A%0Aexport%20default%20App%3B%0A%0A"
|
||
data-snack-platform="web"
|
||
data-snack-supported-platforms=android,ios
|
||
data-snack-preview="true"
|
||
style="
|
||
overflow: hidden;
|
||
background: #fafafa;
|
||
border: 1px solid rgba(0,0,0,.16);
|
||
border-radius: 4px;
|
||
height: 514px;
|
||
width: 100%;
|
||
"
|
||
></div></div></div><p><block class="endBlock syntax" /></p>
|
||
<hr>
|
||
<h1><a class="anchor" aria-hidden="true" id="reference"></a><a href="#reference" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Reference</h1>
|
||
<h2><a class="anchor" aria-hidden="true" id="methods"></a><a href="#methods" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Methods</h2>
|
||
<h3><a class="anchor" aria-hidden="true" id="configurenext"></a><a href="#configurenext" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>configureNext()</code></h3>
|
||
<pre><code class="hljs css language-jsx"><span class="token keyword">static</span> <span class="token function">configureNext</span><span class="token punctuation">(</span>config<span class="token punctuation">,</span> onAnimationDidEnd<span class="token operator">?</span><span class="token punctuation">)</span>
|
||
</code></pre>
|
||
<p>Schedules an animation to happen on the next layout.</p>
|
||
<h4><a class="anchor" aria-hidden="true" id="parameters"></a><a href="#parameters" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Parameters:</h4>
|
||
<table>
|
||
<thead>
|
||
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr><td>config</td><td>object</td><td>Yes</td><td>See config description below.</td></tr>
|
||
<tr><td>onAnimationDidEnd</td><td>function</td><td>No</td><td>Called when the animation finished. Only supported on iOS.</td></tr>
|
||
</tbody>
|
||
</table>
|
||
<p>The <code>config</code> parameter is an object with the keys below. <a href="/docs/layoutanimation#create"><code>create</code></a> returns a valid object for <code>config</code>, and the <a href="/docs/layoutanimation#presets"><code>Presets</code></a> objects can also all be passed as the <code>config</code>.</p>
|
||
<ul>
|
||
<li><code>duration</code> in milliseconds</li>
|
||
<li><code>create</code>, optional config for animating in new views</li>
|
||
<li><code>update</code>, optional config for animating views that have been updated</li>
|
||
<li><code>delete</code>, optional config for animating views as they are removed</li>
|
||
</ul>
|
||
<p>The config that's passed to <code>create</code>, <code>update</code>, or <code>delete</code> has the following keys:</p>
|
||
<ul>
|
||
<li><code>type</code>, the <a href="/docs/layoutanimation#types">animation type</a> to use</li>
|
||
<li><code>property</code>, the <a href="/docs/layoutanimation#properties">layout property</a> to animate (optional, but recommended for <code>create</code> and <code>delete</code>)</li>
|
||
<li><code>springDamping</code> (number, optional and only for use with <code>type: Type.spring</code>)</li>
|
||
<li><code>initialVelocity</code> (number, optional)</li>
|
||
<li><code>delay</code> (number, optional)</li>
|
||
<li><code>duration</code> (number, optional)</li>
|
||
</ul>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="create"></a><a href="#create" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>create()</code></h3>
|
||
<pre><code class="hljs css language-jsx"><span class="token keyword">static</span> <span class="token function">create</span><span class="token punctuation">(</span>duration<span class="token punctuation">,</span> type<span class="token punctuation">,</span> creationProp<span class="token punctuation">)</span>
|
||
</code></pre>
|
||
<p>Helper that creates an object (with <code>create</code>, <code>update</code>, and <code>delete</code> fields) to pass into <a href="/docs/layoutanimation#configurenext"><code>configureNext</code></a>. The <code>type</code> parameter is an <a href="/docs/layoutanimation#types">animation type</a>, and the <code>creationProp</code> parameter is a <a href="/docs/layoutanimation#properties">layout property</a>.</p>
|
||
<p>Example usage:</p>
|
||
<div class="toggler">
|
||
<ul role="tablist" class="toggle-syntax">
|
||
<li id="functional" class="button-functional" aria-selected="false" role="tab" tabindex="0" aria-controls="functionaltab" onclick="displayTabs('syntax', 'functional')">
|
||
Function Component Example
|
||
</li>
|
||
<li id="classical" class="button-classical" aria-selected="false" role="tab" tabindex="0" aria-controls="classicaltab" onclick="displayTabs('syntax', 'classical')">
|
||
Class Component Example
|
||
</li>
|
||
</ul>
|
||
</div>
|
||
<p><block class="functional syntax" /></p>
|
||
<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component, useState } <span class="hljs-keyword">from</span> <span class="hljs-string">"react"</span>;
|
||
<span class="hljs-keyword">import</span> {
|
||
View,
|
||
Platform,
|
||
UIManager,
|
||
LayoutAnimation,
|
||
StyleSheet,
|
||
Button
|
||
} <span class="hljs-keyword">from</span> <span class="hljs-string">"react-native"</span>;
|
||
|
||
<span class="hljs-keyword">if</span> (
|
||
Platform.OS === <span class="hljs-string">"android"</span> &&
|
||
UIManager.setLayoutAnimationEnabledExperimental
|
||
) {
|
||
UIManager.setLayoutAnimationEnabledExperimental(<span class="hljs-literal">true</span>);
|
||
}
|
||
|
||
<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">App</span>(<span class="hljs-params"></span>) </span>{
|
||
<span class="hljs-keyword">const</span> [boxPosition, setBoxPosition] = useState(<span class="hljs-string">"left"</span>);
|
||
|
||
<span class="hljs-keyword">const</span> toggleBox = <span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
LayoutAnimation.configureNext(
|
||
LayoutAnimation.create(
|
||
<span class="hljs-number">500</span>,
|
||
LayoutAnimation.Types.spring,
|
||
LayoutAnimation.Properties.scaleXY
|
||
)
|
||
);
|
||
setBoxPosition(boxPosition === <span class="hljs-string">"left"</span> ? <span class="hljs-string">"right"</span> : <span class="hljs-string">"left"</span>);
|
||
};
|
||
|
||
<span class="hljs-keyword">return</span> (
|
||
<View style={styles.container}>
|
||
<View style={styles.buttonContainer}>
|
||
<Button title="Toggle Layout" onPress={toggleBox} />
|
||
</View>
|
||
<View
|
||
style={[styles.box, boxPosition === "left" ? null : styles.moveRight]}
|
||
/>
|
||
</View>
|
||
);
|
||
}
|
||
|
||
const styles = StyleSheet.create({
|
||
container: {
|
||
flex: 1,
|
||
alignItems: "flex-start",
|
||
justifyContent: "center"
|
||
},
|
||
box: {
|
||
height: 100,
|
||
width: 100,
|
||
borderRadius: 5,
|
||
margin: 8,
|
||
backgroundColor: "blue"
|
||
},
|
||
moveRight: {
|
||
alignSelf: "flex-end",
|
||
height: 200,
|
||
width: 200
|
||
},
|
||
buttonContainer: {
|
||
alignSelf: "center"
|
||
}
|
||
});
|
||
</code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
|
||
data-snack-name="LayoutAnimation"
|
||
data-snack-description="Example usage"
|
||
data-snack-code="import%20React%2C%20%7B%20Component%2C%20useState%20%7D%20from%20%22react%22%3B%0Aimport%20%7B%0A%20%20View%2C%0A%20%20Platform%2C%0A%20%20UIManager%2C%0A%20%20LayoutAnimation%2C%0A%20%20StyleSheet%2C%0A%20%20Button%0A%7D%20from%20%22react-native%22%3B%0A%0Aif%20(%0A%20%20Platform.OS%20%3D%3D%3D%20%22android%22%20%26%26%0A%20%20UIManager.setLayoutAnimationEnabledExperimental%0A)%20%7B%0A%20%20UIManager.setLayoutAnimationEnabledExperimental(true)%3B%0A%7D%0A%0Aexport%20default%20function%20App()%20%7B%0A%20%20const%20%5BboxPosition%2C%20setBoxPosition%5D%20%3D%20useState(%22left%22)%3B%0A%0A%20%20const%20toggleBox%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20LayoutAnimation.configureNext(%0A%20%20%20%20%20%20LayoutAnimation.create(%0A%20%20%20%20%20%20%20%20500%2C%0A%20%20%20%20%20%20%20%20LayoutAnimation.Types.spring%2C%0A%20%20%20%20%20%20%20%20LayoutAnimation.Properties.scaleXY%0A%20%20%20%20%20%20)%0A%20%20%20%20)%3B%0A%20%20%20%20setBoxPosition(boxPosition%20%3D%3D%3D%20%22left%22%20%3F%20%22right%22%20%3A%20%22left%22)%3B%0A%20%20%7D%3B%0A%0A%20%20return%20(%0A%20%20%20%20%3CView%20style%3D%7Bstyles.container%7D%3E%0A%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.buttonContainer%7D%3E%0A%20%20%20%20%20%20%20%20%3CButton%20title%3D%22Toggle%20Layout%22%20onPress%3D%7BtoggleBox%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20%20%20%3CView%0A%20%20%20%20%20%20%20%20style%3D%7B%5Bstyles.box%2C%20boxPosition%20%3D%3D%3D%20%22left%22%20%3F%20null%20%3A%20styles.moveRight%5D%7D%0A%20%20%20%20%20%20%2F%3E%0A%20%20%20%20%3C%2FView%3E%0A%20%20)%3B%0A%7D%0A%0Aconst%20styles%20%3D%20StyleSheet.create(%7B%0A%20%20container%3A%20%7B%0A%20%20%20%20flex%3A%201%2C%0A%20%20%20%20alignItems%3A%20%22flex-start%22%2C%0A%20%20%20%20justifyContent%3A%20%22center%22%0A%20%20%7D%2C%0A%20%20box%3A%20%7B%0A%20%20%20%20height%3A%20100%2C%0A%20%20%20%20width%3A%20100%2C%0A%20%20%20%20borderRadius%3A%205%2C%0A%20%20%20%20margin%3A%208%2C%0A%20%20%20%20backgroundColor%3A%20%22blue%22%0A%20%20%7D%2C%0A%20%20moveRight%3A%20%7B%0A%20%20%20%20alignSelf%3A%20%22flex-end%22%2C%0A%20%20%20%20height%3A%20200%2C%0A%20%20%20%20width%3A%20200%0A%20%20%7D%2C%0A%20%20buttonContainer%3A%20%7B%0A%20%20%20%20alignSelf%3A%20%22center%22%0A%20%20%7D%0A%7D)%3B%0A"
|
||
data-snack-platform="web"
|
||
data-snack-supported-platforms=android,ios
|
||
data-snack-preview="true"
|
||
style="
|
||
overflow: hidden;
|
||
background: #fafafa;
|
||
border: 1px solid rgba(0,0,0,.16);
|
||
border-radius: 4px;
|
||
height: 514px;
|
||
width: 100%;
|
||
"
|
||
></div></div></div><p><block class="classical syntax" /></p>
|
||
<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">"react"</span>;
|
||
<span class="hljs-keyword">import</span> {
|
||
View,
|
||
Platform,
|
||
UIManager,
|
||
LayoutAnimation,
|
||
StyleSheet,
|
||
Button
|
||
} <span class="hljs-keyword">from</span> <span class="hljs-string">"react-native"</span>;
|
||
|
||
<span class="hljs-keyword">if</span> (
|
||
Platform.OS === <span class="hljs-string">"android"</span> &&
|
||
UIManager.setLayoutAnimationEnabledExperimental
|
||
) {
|
||
UIManager.setLayoutAnimationEnabledExperimental(<span class="hljs-literal">true</span>);
|
||
}
|
||
|
||
<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">App</span> <span class="hljs-keyword">extends</span> <span class="hljs-title">Component</span> </span>{
|
||
state = {
|
||
<span class="hljs-attr">boxPosition</span>: <span class="hljs-string">"left"</span>
|
||
};
|
||
|
||
toggleBox = <span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
LayoutAnimation.configureNext(
|
||
LayoutAnimation.create(
|
||
<span class="hljs-number">500</span>,
|
||
LayoutAnimation.Types.spring,
|
||
LayoutAnimation.Properties.scaleXY
|
||
)
|
||
);
|
||
<span class="hljs-keyword">this</span>.setState({
|
||
<span class="hljs-attr">boxPosition</span>: <span class="hljs-keyword">this</span>.state.boxPosition === <span class="hljs-string">"left"</span> ? <span class="hljs-string">"right"</span> : <span class="hljs-string">"left"</span>
|
||
});
|
||
};
|
||
|
||
render() {
|
||
<span class="hljs-keyword">return</span> (
|
||
<View style={styles.container}>
|
||
<View style={styles.buttonContainer}>
|
||
<Button title="Toggle Layout" onPress={this.toggleBox} />
|
||
</View>
|
||
<View
|
||
style={[
|
||
styles.box,
|
||
this.state.boxPosition === "left" ? null : styles.moveRight
|
||
]}
|
||
/>
|
||
</View>
|
||
);
|
||
}
|
||
}
|
||
|
||
const styles = StyleSheet.create({
|
||
container: {
|
||
flex: 1,
|
||
alignItems: "flex-start",
|
||
justifyContent: "center"
|
||
},
|
||
box: {
|
||
height: 100,
|
||
width: 100,
|
||
borderRadius: 5,
|
||
margin: 8,
|
||
backgroundColor: "blue"
|
||
},
|
||
moveRight: {
|
||
alignSelf: "flex-end",
|
||
height: 200,
|
||
width: 200
|
||
},
|
||
buttonContainer: {
|
||
alignSelf: "center"
|
||
}
|
||
});
|
||
</code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
|
||
data-snack-name="LayoutAnimation"
|
||
data-snack-description="Example usage"
|
||
data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20%22react%22%3B%0Aimport%20%7B%0A%20%20View%2C%0A%20%20Platform%2C%0A%20%20UIManager%2C%0A%20%20LayoutAnimation%2C%0A%20%20StyleSheet%2C%0A%20%20Button%0A%7D%20from%20%22react-native%22%3B%0A%0Aif%20(%0A%20%20Platform.OS%20%3D%3D%3D%20%22android%22%20%26%26%0A%20%20UIManager.setLayoutAnimationEnabledExperimental%0A)%20%7B%0A%20%20UIManager.setLayoutAnimationEnabledExperimental(true)%3B%0A%7D%0A%0Aexport%20default%20class%20App%20extends%20Component%20%7B%0A%20%20state%20%3D%20%7B%0A%20%20%20%20boxPosition%3A%20%22left%22%0A%20%20%7D%3B%0A%0A%20%20toggleBox%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20LayoutAnimation.configureNext(%0A%20%20%20%20%20%20LayoutAnimation.create(%0A%20%20%20%20%20%20%20%20500%2C%0A%20%20%20%20%20%20%20%20LayoutAnimation.Types.spring%2C%0A%20%20%20%20%20%20%20%20LayoutAnimation.Properties.scaleXY%0A%20%20%20%20%20%20)%0A%20%20%20%20)%3B%0A%20%20%20%20this.setState(%7B%0A%20%20%20%20%20%20boxPosition%3A%20this.state.boxPosition%20%3D%3D%3D%20%22left%22%20%3F%20%22right%22%20%3A%20%22left%22%0A%20%20%20%20%7D)%3B%0A%20%20%7D%3B%0A%0A%20%20render()%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.container%7D%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.buttonContainer%7D%3E%0A%20%20%20%20%20%20%20%20%20%20%3CButton%20title%3D%22Toggle%20Layout%22%20onPress%3D%7Bthis.toggleBox%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20%20%20%20%20%3CView%0A%20%20%20%20%20%20%20%20%20%20style%3D%7B%5B%0A%20%20%20%20%20%20%20%20%20%20%20%20styles.box%2C%0A%20%20%20%20%20%20%20%20%20%20%20%20this.state.boxPosition%20%3D%3D%3D%20%22left%22%20%3F%20null%20%3A%20styles.moveRight%0A%20%20%20%20%20%20%20%20%20%20%5D%7D%0A%20%20%20%20%20%20%20%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%20%20%7D%0A%7D%0A%0Aconst%20styles%20%3D%20StyleSheet.create(%7B%0A%20%20container%3A%20%7B%0A%20%20%20%20flex%3A%201%2C%0A%20%20%20%20alignItems%3A%20%22flex-start%22%2C%0A%20%20%20%20justifyContent%3A%20%22center%22%0A%20%20%7D%2C%0A%20%20box%3A%20%7B%0A%20%20%20%20height%3A%20100%2C%0A%20%20%20%20width%3A%20100%2C%0A%20%20%20%20borderRadius%3A%205%2C%0A%20%20%20%20margin%3A%208%2C%0A%20%20%20%20backgroundColor%3A%20%22blue%22%0A%20%20%7D%2C%0A%20%20moveRight%3A%20%7B%0A%20%20%20%20alignSelf%3A%20%22flex-end%22%2C%0A%20%20%20%20height%3A%20200%2C%0A%20%20%20%20width%3A%20200%0A%20%20%7D%2C%0A%20%20buttonContainer%3A%20%7B%0A%20%20%20%20alignSelf%3A%20%22center%22%0A%20%20%7D%0A%7D)%3B%0A"
|
||
data-snack-platform="web"
|
||
data-snack-supported-platforms=android,ios
|
||
data-snack-preview="true"
|
||
style="
|
||
overflow: hidden;
|
||
background: #fafafa;
|
||
border: 1px solid rgba(0,0,0,.16);
|
||
border-radius: 4px;
|
||
height: 514px;
|
||
width: 100%;
|
||
"
|
||
></div></div></div><p><block class="endBlock syntax" /></p>
|
||
<h2><a class="anchor" aria-hidden="true" id="properties"></a><a href="#properties" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Properties</h2>
|
||
<h3><a class="anchor" aria-hidden="true" id="types"></a><a href="#types" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Types</h3>
|
||
<p>An enumeration of animation types to be used in the <a href="/docs/layoutanimation#create"><code>create</code></a> method, or in the <code>create</code>/<code>update</code>/<code>delete</code> configs for <a href="/docs/layoutanimation#configurenext"><code>configureNext</code></a>. (example usage: <code>LayoutAnimation.Types.easeIn</code>)</p>
|
||
<table>
|
||
<thead>
|
||
<tr><th>Types</th></tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr><td>spring</td></tr>
|
||
<tr><td>linear</td></tr>
|
||
<tr><td>easeInEaseOut</td></tr>
|
||
<tr><td>easeIn</td></tr>
|
||
<tr><td>easeOut</td></tr>
|
||
<tr><td>keyboard</td></tr>
|
||
</tbody>
|
||
</table>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="properties-1"></a><a href="#properties-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Properties</h3>
|
||
<p>An enumeration of layout properties to be animated to be used in the <a href="/docs/layoutanimation#create"><code>create</code></a> method, or in the <code>create</code>/<code>update</code>/<code>delete</code> configs for <a href="/docs/layoutanimation#configurenext"><code>configureNext</code></a>. (example usage: <code>LayoutAnimation.Properties.opacity</code>)</p>
|
||
<table>
|
||
<thead>
|
||
<tr><th>Properties</th></tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr><td>opacity</td></tr>
|
||
<tr><td>scaleX</td></tr>
|
||
<tr><td>scaleY</td></tr>
|
||
<tr><td>scaleXY</td></tr>
|
||
</tbody>
|
||
</table>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="presets"></a><a href="#presets" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Presets</h3>
|
||
<p>A set of predefined animation configs to pass into <a href="/docs/layoutanimation#configurenext"><code>configureNext</code></a>.</p>
|
||
<table>
|
||
<thead>
|
||
<tr><th>Presets</th><th>Value</th></tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr><td>easeInEaseOut</td><td><code>create(300, 'easeInEaseOut', 'opacity')</code></td></tr>
|
||
<tr><td>linear</td><td><code>create(500, 'linear', 'opacity')</code></td></tr>
|
||
<tr><td>spring</td><td><code>{ duration: 700, create: { type: 'linear', property: 'opacity' }, update: { type: 'spring', springDamping: 0.4 }, delete: { type: 'linear', property: 'opacity' } }</code></td></tr>
|
||
</tbody>
|
||
</table>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="easeineaseout"></a><a href="#easeineaseout" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>easeInEaseOut()</code></h3>
|
||
<p>Calls <code>configureNext()</code> with <code>Presets.easeInEaseOut</code>.</p>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="linear"></a><a href="#linear" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>linear()</code></h3>
|
||
<p>Calls <code>configureNext()</code> with <code>Presets.linear</code>.</p>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="spring"></a><a href="#spring" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>spring()</code></h3>
|
||
<p>Calls <code>configureNext()</code> with <code>Presets.spring</code>.</p>
|
||
<p>Example usage:</p>
|
||
<div class="toggler">
|
||
<ul role="tablist" class="toggle-syntax">
|
||
<li id="functional" class="button-functional" aria-selected="false" role="tab" tabindex="0" aria-controls="functionaltab" onclick="displayTabs('syntax', 'functional')">
|
||
Function Component Example
|
||
</li>
|
||
<li id="classical" class="button-classical" aria-selected="false" role="tab" tabindex="0" aria-controls="classicaltab" onclick="displayTabs('syntax', 'classical')">
|
||
Class Component Example
|
||
</li>
|
||
</ul>
|
||
</div>
|
||
<p><block class="functional syntax" /></p>
|
||
<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { useState } <span class="hljs-keyword">from</span> <span class="hljs-string">"react"</span>;
|
||
<span class="hljs-keyword">import</span> {
|
||
View,
|
||
Platform,
|
||
UIManager,
|
||
LayoutAnimation,
|
||
StyleSheet,
|
||
Button
|
||
} <span class="hljs-keyword">from</span> <span class="hljs-string">"react-native"</span>;
|
||
|
||
<span class="hljs-keyword">if</span> (
|
||
Platform.OS === <span class="hljs-string">"android"</span> &&
|
||
UIManager.setLayoutAnimationEnabledExperimental
|
||
) {
|
||
UIManager.setLayoutAnimationEnabledExperimental(<span class="hljs-literal">true</span>);
|
||
}
|
||
|
||
<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">App</span>(<span class="hljs-params"></span>) </span>{
|
||
<span class="hljs-keyword">const</span> [firstBoxPosition, setFirstBoxPosition] = useState(<span class="hljs-string">"left"</span>);
|
||
<span class="hljs-keyword">const</span> [secondBoxPosition, setSecondBoxPosition] = useState(<span class="hljs-string">"left"</span>);
|
||
<span class="hljs-keyword">const</span> [thirdBoxPosition, setThirdBoxPosition] = useState(<span class="hljs-string">"left"</span>);
|
||
|
||
<span class="hljs-keyword">const</span> toggleFirstBox = <span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut);
|
||
setFirstBoxPosition(firstBoxPosition === <span class="hljs-string">"left"</span> ? <span class="hljs-string">"right"</span> : <span class="hljs-string">"left"</span>);
|
||
};
|
||
|
||
<span class="hljs-keyword">const</span> toggleSecondBox = <span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
LayoutAnimation.configureNext(LayoutAnimation.Presets.linear);
|
||
setSecondBoxPosition(secondBoxPosition === <span class="hljs-string">"left"</span> ? <span class="hljs-string">"right"</span> : <span class="hljs-string">"left"</span>);
|
||
};
|
||
|
||
<span class="hljs-keyword">const</span> toggleThirdBox = <span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
LayoutAnimation.configureNext(LayoutAnimation.Presets.spring);
|
||
setThirdBoxPosition(thirdBoxPosition === <span class="hljs-string">"left"</span> ? <span class="hljs-string">"right"</span> : <span class="hljs-string">"left"</span>);
|
||
};
|
||
|
||
<span class="hljs-keyword">return</span> (
|
||
<View style={styles.container}>
|
||
<View style={styles.buttonContainer}>
|
||
<Button title="EaseInEaseOut" onPress={toggleFirstBox} />
|
||
</View>
|
||
<View
|
||
style={[
|
||
styles.box,
|
||
firstBoxPosition === "left" ? null : styles.moveRight
|
||
]}
|
||
/>
|
||
<View style={styles.buttonContainer}>
|
||
<Button title="Linear" onPress={toggleSecondBox} />
|
||
</View>
|
||
<View
|
||
style={[
|
||
styles.box,
|
||
secondBoxPosition === "left" ? null : styles.moveRight
|
||
]}
|
||
/>
|
||
<View style={styles.buttonContainer}>
|
||
<Button title="Spring" onPress={toggleThirdBox} />
|
||
</View>
|
||
<View
|
||
style={[
|
||
styles.box,
|
||
thirdBoxPosition === "left" ? null : styles.moveRight
|
||
]}
|
||
/>
|
||
</View>
|
||
);
|
||
}
|
||
|
||
const styles = StyleSheet.create({
|
||
container: {
|
||
flex: 1,
|
||
alignItems: "flex-start",
|
||
justifyContent: "center"
|
||
},
|
||
box: {
|
||
height: 100,
|
||
width: 100,
|
||
borderRadius: 5,
|
||
margin: 8,
|
||
backgroundColor: "blue"
|
||
},
|
||
moveRight: {
|
||
alignSelf: "flex-end"
|
||
},
|
||
buttonContainer: {
|
||
alignSelf: "center"
|
||
}
|
||
});
|
||
</code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
|
||
data-snack-name="LayoutAnimation"
|
||
data-snack-description="Example usage"
|
||
data-snack-code="import%20React%2C%20%7B%20useState%20%7D%20from%20%22react%22%3B%0Aimport%20%7B%0A%20%20View%2C%0A%20%20Platform%2C%0A%20%20UIManager%2C%0A%20%20LayoutAnimation%2C%0A%20%20StyleSheet%2C%0A%20%20Button%0A%7D%20from%20%22react-native%22%3B%0A%0Aif%20(%0A%20%20Platform.OS%20%3D%3D%3D%20%22android%22%20%26%26%0A%20%20UIManager.setLayoutAnimationEnabledExperimental%0A)%20%7B%0A%20%20UIManager.setLayoutAnimationEnabledExperimental(true)%3B%0A%7D%0A%0Aexport%20default%20function%20App()%20%7B%0A%20%20const%20%5BfirstBoxPosition%2C%20setFirstBoxPosition%5D%20%3D%20useState(%22left%22)%3B%0A%20%20const%20%5BsecondBoxPosition%2C%20setSecondBoxPosition%5D%20%3D%20useState(%22left%22)%3B%0A%20%20const%20%5BthirdBoxPosition%2C%20setThirdBoxPosition%5D%20%3D%20useState(%22left%22)%3B%0A%0A%20%20const%20toggleFirstBox%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut)%3B%0A%20%20%20%20setFirstBoxPosition(firstBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20%22right%22%20%3A%20%22left%22)%3B%0A%20%20%7D%3B%0A%0A%20%20const%20toggleSecondBox%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20LayoutAnimation.configureNext(LayoutAnimation.Presets.linear)%3B%0A%20%20%20%20setSecondBoxPosition(secondBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20%22right%22%20%3A%20%22left%22)%3B%0A%20%20%7D%3B%0A%0A%20%20const%20toggleThirdBox%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20LayoutAnimation.configureNext(LayoutAnimation.Presets.spring)%3B%0A%20%20%20%20setThirdBoxPosition(thirdBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20%22right%22%20%3A%20%22left%22)%3B%0A%20%20%7D%3B%0A%0A%20%20return%20(%0A%20%20%20%20%3CView%20style%3D%7Bstyles.container%7D%3E%0A%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.buttonContainer%7D%3E%0A%20%20%20%20%20%20%20%20%3CButton%20title%3D%22EaseInEaseOut%22%20onPress%3D%7BtoggleFirstBox%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20%20%20%3CView%0A%20%20%20%20%20%20%20%20style%3D%7B%5B%0A%20%20%20%20%20%20%20%20%20%20styles.box%2C%0A%20%20%20%20%20%20%20%20%20%20firstBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20null%20%3A%20styles.moveRight%0A%20%20%20%20%20%20%20%20%5D%7D%0A%20%20%20%20%20%20%2F%3E%0A%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.buttonContainer%7D%3E%0A%20%20%20%20%20%20%20%20%3CButton%20title%3D%22Linear%22%20onPress%3D%7BtoggleSecondBox%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20%20%20%3CView%0A%20%20%20%20%20%20%20%20style%3D%7B%5B%0A%20%20%20%20%20%20%20%20%20%20styles.box%2C%0A%20%20%20%20%20%20%20%20%20%20secondBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20null%20%3A%20styles.moveRight%0A%20%20%20%20%20%20%20%20%5D%7D%0A%20%20%20%20%20%20%2F%3E%0A%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.buttonContainer%7D%3E%0A%20%20%20%20%20%20%20%20%3CButton%20title%3D%22Spring%22%20onPress%3D%7BtoggleThirdBox%7D%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20%20%20%3CView%0A%20%20%20%20%20%20%20%20style%3D%7B%5B%0A%20%20%20%20%20%20%20%20%20%20styles.box%2C%0A%20%20%20%20%20%20%20%20%20%20thirdBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20null%20%3A%20styles.moveRight%0A%20%20%20%20%20%20%20%20%5D%7D%0A%20%20%20%20%20%20%2F%3E%0A%20%20%20%20%3C%2FView%3E%0A%20%20)%3B%0A%7D%0A%0Aconst%20styles%20%3D%20StyleSheet.create(%7B%0A%20%20container%3A%20%7B%0A%20%20%20%20flex%3A%201%2C%0A%20%20%20%20alignItems%3A%20%22flex-start%22%2C%0A%20%20%20%20justifyContent%3A%20%22center%22%0A%20%20%7D%2C%0A%20%20box%3A%20%7B%0A%20%20%20%20height%3A%20100%2C%0A%20%20%20%20width%3A%20100%2C%0A%20%20%20%20borderRadius%3A%205%2C%0A%20%20%20%20margin%3A%208%2C%0A%20%20%20%20backgroundColor%3A%20%22blue%22%0A%20%20%7D%2C%0A%20%20moveRight%3A%20%7B%0A%20%20%20%20alignSelf%3A%20%22flex-end%22%0A%20%20%7D%2C%0A%20%20buttonContainer%3A%20%7B%0A%20%20%20%20alignSelf%3A%20%22center%22%0A%20%20%7D%0A%7D)%3B%0A"
|
||
data-snack-platform="web"
|
||
data-snack-supported-platforms=android,ios
|
||
data-snack-preview="true"
|
||
style="
|
||
overflow: hidden;
|
||
background: #fafafa;
|
||
border: 1px solid rgba(0,0,0,.16);
|
||
border-radius: 4px;
|
||
height: 514px;
|
||
width: 100%;
|
||
"
|
||
></div></div></div><p><block class="classical syntax" /></p>
|
||
<div class="snack-player"><div class="mobile-friendly-snack" style="display: none"><pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, { Component } <span class="hljs-keyword">from</span> <span class="hljs-string">"react"</span>;
|
||
<span class="hljs-keyword">import</span> {
|
||
View,
|
||
Platform,
|
||
UIManager,
|
||
LayoutAnimation,
|
||
StyleSheet,
|
||
Button
|
||
} <span class="hljs-keyword">from</span> <span class="hljs-string">"react-native"</span>;
|
||
|
||
<span class="hljs-keyword">if</span> (
|
||
Platform.OS === <span class="hljs-string">"android"</span> &&
|
||
UIManager.setLayoutAnimationEnabledExperimental
|
||
) {
|
||
UIManager.setLayoutAnimationEnabledExperimental(<span class="hljs-literal">true</span>);
|
||
}
|
||
|
||
<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">App</span> <span class="hljs-keyword">extends</span> <span class="hljs-title">Component</span> </span>{
|
||
state = {
|
||
<span class="hljs-attr">firstBoxPosition</span>: <span class="hljs-string">"left"</span>,
|
||
<span class="hljs-attr">secondBoxPosition</span>: <span class="hljs-string">"left"</span>,
|
||
<span class="hljs-attr">thirdBoxPosition</span>: <span class="hljs-string">"left"</span>
|
||
};
|
||
|
||
toggleFirstBox = <span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut);
|
||
<span class="hljs-keyword">this</span>.setState({
|
||
<span class="hljs-attr">firstBoxPosition</span>:
|
||
<span class="hljs-keyword">this</span>.state.firstBoxPosition === <span class="hljs-string">"left"</span> ? <span class="hljs-string">"right"</span> : <span class="hljs-string">"left"</span>
|
||
});
|
||
};
|
||
|
||
toggleSecondBox = <span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
LayoutAnimation.configureNext(LayoutAnimation.Presets.linear);
|
||
<span class="hljs-keyword">this</span>.setState({
|
||
<span class="hljs-attr">secondBoxPosition</span>:
|
||
<span class="hljs-keyword">this</span>.state.secondBoxPosition === <span class="hljs-string">"left"</span> ? <span class="hljs-string">"right"</span> : <span class="hljs-string">"left"</span>
|
||
});
|
||
};
|
||
|
||
toggleThirdBox = <span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
LayoutAnimation.configureNext(LayoutAnimation.Presets.spring);
|
||
<span class="hljs-keyword">this</span>.setState({
|
||
<span class="hljs-attr">thirdBoxPosition</span>:
|
||
<span class="hljs-keyword">this</span>.state.thirdBoxPosition === <span class="hljs-string">"left"</span> ? <span class="hljs-string">"right"</span> : <span class="hljs-string">"left"</span>
|
||
});
|
||
};
|
||
|
||
render() {
|
||
<span class="hljs-keyword">return</span> (
|
||
<View style={styles.container}>
|
||
<View style={styles.buttonContainer}>
|
||
<Button title="EaseInEaseOut" onPress={this.toggleFirstBox} />
|
||
</View>
|
||
<View
|
||
style={[
|
||
styles.box,
|
||
this.state.firstBoxPosition === "left" ? null : styles.moveRight
|
||
]}
|
||
/>
|
||
<View style={styles.buttonContainer}>
|
||
<Button title="Linear" onPress={this.toggleSecondBox} />
|
||
</View>
|
||
<View
|
||
style={[
|
||
styles.box,
|
||
this.state.secondBoxPosition === "left" ? null : styles.moveRight
|
||
]}
|
||
/>
|
||
<View style={styles.buttonContainer}>
|
||
<Button title="Spring" onPress={this.toggleThirdBox} />
|
||
</View>
|
||
<View
|
||
style={[
|
||
styles.box,
|
||
this.state.thirdBoxPosition === "left" ? null : styles.moveRight
|
||
]}
|
||
/>
|
||
</View>
|
||
);
|
||
}
|
||
}
|
||
|
||
const styles = StyleSheet.create({
|
||
container: {
|
||
flex: 1,
|
||
alignItems: "flex-start",
|
||
justifyContent: "center"
|
||
},
|
||
box: {
|
||
height: 100,
|
||
width: 100,
|
||
borderRadius: 5,
|
||
margin: 8,
|
||
backgroundColor: "blue"
|
||
},
|
||
moveRight: {
|
||
alignSelf: "flex-end"
|
||
},
|
||
buttonContainer: {
|
||
alignSelf: "center"
|
||
}
|
||
});
|
||
</code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
|
||
data-snack-name="LayoutAnimation"
|
||
data-snack-description="Example usage"
|
||
data-snack-code="import%20React%2C%20%7B%20Component%20%7D%20from%20%22react%22%3B%0Aimport%20%7B%0A%20%20View%2C%0A%20%20Platform%2C%0A%20%20UIManager%2C%0A%20%20LayoutAnimation%2C%0A%20%20StyleSheet%2C%0A%20%20Button%0A%7D%20from%20%22react-native%22%3B%0A%0Aif%20(%0A%20%20Platform.OS%20%3D%3D%3D%20%22android%22%20%26%26%0A%20%20UIManager.setLayoutAnimationEnabledExperimental%0A)%20%7B%0A%20%20UIManager.setLayoutAnimationEnabledExperimental(true)%3B%0A%7D%0A%0Aexport%20default%20class%20App%20extends%20Component%20%7B%0A%20%20state%20%3D%20%7B%0A%20%20%20%20firstBoxPosition%3A%20%22left%22%2C%0A%20%20%20%20secondBoxPosition%3A%20%22left%22%2C%0A%20%20%20%20thirdBoxPosition%3A%20%22left%22%0A%20%20%7D%3B%0A%0A%20%20toggleFirstBox%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20LayoutAnimation.configureNext(LayoutAnimation.Presets.easeInEaseOut)%3B%0A%20%20%20%20this.setState(%7B%0A%20%20%20%20%20%20firstBoxPosition%3A%0A%20%20%20%20%20%20%20%20this.state.firstBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20%22right%22%20%3A%20%22left%22%0A%20%20%20%20%7D)%3B%0A%20%20%7D%3B%0A%0A%20%20toggleSecondBox%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20LayoutAnimation.configureNext(LayoutAnimation.Presets.linear)%3B%0A%20%20%20%20this.setState(%7B%0A%20%20%20%20%20%20secondBoxPosition%3A%0A%20%20%20%20%20%20%20%20this.state.secondBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20%22right%22%20%3A%20%22left%22%0A%20%20%20%20%7D)%3B%0A%20%20%7D%3B%0A%0A%20%20toggleThirdBox%20%3D%20()%20%3D%3E%20%7B%0A%20%20%20%20LayoutAnimation.configureNext(LayoutAnimation.Presets.spring)%3B%0A%20%20%20%20this.setState(%7B%0A%20%20%20%20%20%20thirdBoxPosition%3A%0A%20%20%20%20%20%20%20%20this.state.thirdBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20%22right%22%20%3A%20%22left%22%0A%20%20%20%20%7D)%3B%0A%20%20%7D%3B%0A%0A%20%20render()%20%7B%0A%20%20%20%20return%20(%0A%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.container%7D%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.buttonContainer%7D%3E%0A%20%20%20%20%20%20%20%20%20%20%3CButton%20title%3D%22EaseInEaseOut%22%20onPress%3D%7Bthis.toggleFirstBox%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20%20%20%20%20%3CView%0A%20%20%20%20%20%20%20%20%20%20style%3D%7B%5B%0A%20%20%20%20%20%20%20%20%20%20%20%20styles.box%2C%0A%20%20%20%20%20%20%20%20%20%20%20%20this.state.firstBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20null%20%3A%20styles.moveRight%0A%20%20%20%20%20%20%20%20%20%20%5D%7D%0A%20%20%20%20%20%20%20%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.buttonContainer%7D%3E%0A%20%20%20%20%20%20%20%20%20%20%3CButton%20title%3D%22Linear%22%20onPress%3D%7Bthis.toggleSecondBox%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20%20%20%20%20%3CView%0A%20%20%20%20%20%20%20%20%20%20style%3D%7B%5B%0A%20%20%20%20%20%20%20%20%20%20%20%20styles.box%2C%0A%20%20%20%20%20%20%20%20%20%20%20%20this.state.secondBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20null%20%3A%20styles.moveRight%0A%20%20%20%20%20%20%20%20%20%20%5D%7D%0A%20%20%20%20%20%20%20%20%2F%3E%0A%20%20%20%20%20%20%20%20%3CView%20style%3D%7Bstyles.buttonContainer%7D%3E%0A%20%20%20%20%20%20%20%20%20%20%3CButton%20title%3D%22Spring%22%20onPress%3D%7Bthis.toggleThirdBox%7D%20%2F%3E%0A%20%20%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20%20%20%20%20%3CView%0A%20%20%20%20%20%20%20%20%20%20style%3D%7B%5B%0A%20%20%20%20%20%20%20%20%20%20%20%20styles.box%2C%0A%20%20%20%20%20%20%20%20%20%20%20%20this.state.thirdBoxPosition%20%3D%3D%3D%20%22left%22%20%3F%20null%20%3A%20styles.moveRight%0A%20%20%20%20%20%20%20%20%20%20%5D%7D%0A%20%20%20%20%20%20%20%20%2F%3E%0A%20%20%20%20%20%20%3C%2FView%3E%0A%20%20%20%20)%3B%0A%20%20%7D%0A%7D%0A%0Aconst%20styles%20%3D%20StyleSheet.create(%7B%0A%20%20container%3A%20%7B%0A%20%20%20%20flex%3A%201%2C%0A%20%20%20%20alignItems%3A%20%22flex-start%22%2C%0A%20%20%20%20justifyContent%3A%20%22center%22%0A%20%20%7D%2C%0A%20%20box%3A%20%7B%0A%20%20%20%20height%3A%20100%2C%0A%20%20%20%20width%3A%20100%2C%0A%20%20%20%20borderRadius%3A%205%2C%0A%20%20%20%20margin%3A%208%2C%0A%20%20%20%20backgroundColor%3A%20%22blue%22%0A%20%20%7D%2C%0A%20%20moveRight%3A%20%7B%0A%20%20%20%20alignSelf%3A%20%22flex-end%22%0A%20%20%7D%2C%0A%20%20buttonContainer%3A%20%7B%0A%20%20%20%20alignSelf%3A%20%22center%22%0A%20%20%7D%0A%7D)%3B%0A"
|
||
data-snack-platform="web"
|
||
data-snack-supported-platforms=android,ios
|
||
data-snack-preview="true"
|
||
style="
|
||
overflow: hidden;
|
||
background: #fafafa;
|
||
border: 1px solid rgba(0,0,0,.16);
|
||
border-radius: 4px;
|
||
height: 514px;
|
||
width: 100%;
|
||
"
|
||
></div></div></div><p><block class="endBlock syntax" /></p>
|
||
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/keyboard"><span class="arrow-prev">← </span><span>Keyboard</span></a><a class="docs-next button" href="/docs/linking"><span>Linking</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#example">Example</a></li><li><a href="#methods">Methods</a><ul class="toc-headings"><li><a href="#configurenext"><code>configureNext()</code></a></li><li><a href="#create"><code>create()</code></a></li></ul></li><li><a href="#properties">Properties</a><ul class="toc-headings"><li><a href="#types">Types</a></li><li><a href="#properties-1">Properties</a></li><li><a href="#presets">Presets</a></li><li><a href="#easeineaseout"><code>easeInEaseOut()</code></a></li><li><a href="#linear"><code>linear()</code></a></li><li><a href="#spring"><code>spring()</code></a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><div><h5>Docs</h5><a href="/docs/getting-started">Getting Started</a><a href="/docs/tutorial">Tutorial</a><a href="/docs/components-and-apis">Components and APIs</a><a href="/docs/more-resources">More Resources</a></div><div><h5>Community</h5><a href="/help">The React Native Community</a><a href="/showcase">Who's using React Native?</a><a href="https://stackoverflow.com/questions/tagged/react-native" target="_blank">Ask Questions on Stack Overflow</a><a href="https://github.com/facebook/react-native/blob/master/CONTRIBUTING.md">Contributor Guide</a><a href="https://dev.to/t/reactnative" target="_blank">DEV Community</a></div><div><h5>More Resources</h5><a href="/blog">Blog</a><a href="https://twitter.com/reactnative" target="_blank">Twitter</a><a href="https://github.com/facebook/react-native" target="_blank">GitHub</a><a href="https://reactjs.org" target="_blank">React</a></div></section><a href="https://code.facebook.com/projects/" target="_blank" class="fbOpenSource"><img src="/img/oss_logo.png" alt="Facebook Open Source" width="170" height="45"/></a><section class="copyright">Copyright © 2020 Facebook Inc.</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>window.fbAsyncInit = function() {FB.init({appId:'1677033832619985',xfbml:true,version:'v2.7'});};(function(d, s, id){var js, fjs = d.getElementsByTagName(s)[0];if (d.getElementById(id)) {return;}js = d.createElement(s); js.id = id;js.src = '//connect.facebook.net/en_US/sdk.js';fjs.parentNode.insertBefore(js, fjs);}(document, 'script','facebook-jssdk'));
|
||
</script><script>window.twttr=(function(d,s, id){var js,fjs=d.getElementsByTagName(s)[0],t=window.twttr||{};if(d.getElementById(id))return t;js=d.createElement(s);js.id=id;js.src='https://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js, fjs);t._e = [];t.ready = function(f) {t._e.push(f);};return t;}(document, 'script', 'twitter-wjs'));</script><script>
|
||
document.addEventListener('keyup', function(e) {
|
||
if (e.target !== document.body) {
|
||
return;
|
||
}
|
||
// keyCode for '/' (slash)
|
||
if (e.keyCode === 191) {
|
||
const search = document.getElementById('search_input_react');
|
||
search && search.focus();
|
||
}
|
||
});
|
||
</script><script>
|
||
var search = docsearch({
|
||
|
||
apiKey: '2c98749b4a1e588efec53b2acec13025',
|
||
indexName: 'react-native-versions',
|
||
inputSelector: '#search_input_react',
|
||
algoliaOptions: {"facetFilters":["tags:0.62"],"hitsPerPage":5}
|
||
});
|
||
</script></body></html> |