mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
eff2e81bcd
Deploy website version based on 758f18eacb099c9c124773a904992acf6da82a22
307 lines
37 KiB
HTML
307 lines
37 KiB
HTML
<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>InteractionManager · React Native</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="InteractionManager allows long-running work to be scheduled after any interactions/animations have completed. In particular, this allows JavaScript animations to run smoothly."/><meta name="docsearch:version" content="0.62"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="InteractionManager · React Native"/><meta property="og:type" content="website"/><meta property="og:url" content="https://reactnative.dev/"/><meta property="og:description" content="InteractionManager allows long-running work to be scheduled after any interactions/animations have completed. In particular, this allows JavaScript animations to run smoothly."/><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>
|
||
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
|
||
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
|
||
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
|
||
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
|
||
|
||
ga('create', 'UA-41298772-2', 'auto');
|
||
ga('send', 'pageview');
|
||
</script><script type="text/javascript" src="https://cdn.jsdelivr.net/npm/focus-visible@5.0.2/dist/focus-visible.min.js"></script><script type="text/javascript" src="https://snack.expo.io/embed.js"></script><script type="text/javascript" src="https://platform.twitter.com/widgets.js"></script><script type="text/javascript" src="https://buttons.github.io/buttons.js"></script><script type="text/javascript" src="/js/codeblocks.js"></script><script type="text/javascript" src="/js/tabs.js"></script><script type="text/javascript" src="/js/docs-rating.js"></script><script src="https://unpkg.com/vanilla-back-to-top@7.1.14/dist/vanilla-back-to-top.min.js"></script><script>
|
||
document.addEventListener('DOMContentLoaded', function() {
|
||
addBackToTop(
|
||
{"zIndex":100}
|
||
)
|
||
});
|
||
</script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/prism.css"/><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/header_logo.svg" alt="React Native"/><h2 class="headerTitleWithLogo">React Native</h2></a><a href="/versions"><h3>0.62</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/getting-started" target="_self">Docs</a></li><li class=""><a href="/docs/components-and-apis" target="_self">Components</a></li><li class="siteNavGroupActive"><a href="/docs/accessibilityinfo" target="_self">API</a></li><li class=""><a href="/help" target="_self">Community</a></li><li class=""><a href="/blog/" target="_self">Blog</a></li><li class="navSearchWrapper reactNavSearchWrapper"><input type="text" id="search_input_react" placeholder="Search" title="Search"/></li><li class=""><a href="https://github.com/facebook/react-native" target="_self">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><div class="hamburger-menu"><div class="line1"></div><div class="line2"></div><div class="line3"></div></div></div><h2><i>›</i><span>APIs</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle collapsible">APIs<span class="arrow"><svg width="24" height="24" viewBox="0 0 24 24"><path fill="#565656" d="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg></span></h3><ul class="hide"><li class="navListItem"><a class="navItem" href="/docs/accessibilityinfo">AccessibilityInfo</a></li><li class="navListItem"><a class="navItem" href="/docs/alert">Alert</a></li><li class="navListItem"><a class="navItem" href="/docs/animated">Animated</a></li><li class="navListItem"><a class="navItem" href="/docs/appearance">Appearance</a></li><li class="navListItem"><a class="navItem" href="/docs/appregistry">AppRegistry</a></li><li class="navListItem"><a class="navItem" href="/docs/appstate">AppState</a></li><li class="navListItem"><a class="navItem" href="/docs/devsettings">DevSettings</a></li><li class="navListItem"><a class="navItem" href="/docs/dimensions">Dimensions</a></li><li class="navListItem"><a class="navItem" href="/docs/easing">Easing</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/interactionmanager">InteractionManager</a></li><li class="navListItem"><a class="navItem" href="/docs/keyboard">Keyboard</a></li><li class="navListItem"><a class="navItem" href="/docs/layoutanimation">LayoutAnimation</a></li><li class="navListItem"><a class="navItem" href="/docs/linking">Linking</a></li><li class="navListItem"><a class="navItem" href="/docs/panresponder">PanResponder</a></li><li class="navListItem"><a class="navItem" href="/docs/pixelratio">PixelRatio</a></li><li class="navListItem"><a class="navItem" href="/docs/share">Share</a></li><li class="navListItem"><a class="navItem" href="/docs/stylesheet">StyleSheet</a></li><li class="navListItem"><a class="navItem" href="/docs/systrace">Systrace</a></li><li class="navListItem"><a class="navItem" href="/docs/transforms">Transforms</a></li><li class="navListItem"><a class="navItem" href="/docs/vibration">Vibration</a></li><div class="navGroup subNavGroup"><h4 class="navGroupSubcategoryTitle">Hooks</h4><ul><li class="navListItem"><a class="navItem" href="/docs/usecolorscheme">useColorScheme</a></li><li class="navListItem"><a class="navItem" href="/docs/usewindowdimensions">useWindowDimensions</a></li></ul></div><div class="navGroup subNavGroup"><h4 class="navGroupSubcategoryTitle">Android APIs</h4><ul><li class="navListItem"><a class="navItem" href="/docs/backhandler">BackHandler</a></li><li class="navListItem"><a class="navItem" href="/docs/permissionsandroid">PermissionsAndroid</a></li><li class="navListItem"><a class="navItem" href="/docs/toastandroid">ToastAndroid</a></li></ul></div><div class="navGroup subNavGroup"><h4 class="navGroupSubcategoryTitle">iOS APIs</h4><ul><li class="navListItem"><a class="navItem" href="/docs/actionsheetios">ActionSheetIOS</a></li><li class="navListItem"><a class="navItem" href="/docs/settings">Settings</a></li></ul></div></ul></div></div></section></div><script>
|
||
var coll = document.getElementsByClassName('collapsible');
|
||
var checkActiveCategory = true;
|
||
for (var i = 0; i < coll.length; i++) {
|
||
var links = coll[i].nextElementSibling.getElementsByTagName('*');
|
||
if (checkActiveCategory){
|
||
for (var j = 0; j < links.length; j++) {
|
||
if (links[j].classList.contains('navListItemActive')){
|
||
coll[i].nextElementSibling.classList.toggle('hide');
|
||
coll[i].childNodes[1].classList.toggle('rotate');
|
||
checkActiveCategory = false;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
coll[i].addEventListener('click', function() {
|
||
var arrow = this.childNodes[1];
|
||
arrow.classList.toggle('rotate');
|
||
var content = this.nextElementSibling;
|
||
content.classList.toggle('hide');
|
||
});
|
||
}
|
||
|
||
document.addEventListener('DOMContentLoaded', function() {
|
||
createToggler('#navToggler', '#docsNav', 'docsSliderActive');
|
||
createToggler('#tocToggler', 'body', 'tocActive');
|
||
|
||
var headings = document.querySelector('.toc-headings');
|
||
headings && headings.addEventListener('click', function(event) {
|
||
var el = event.target;
|
||
while(el !== headings){
|
||
if (el.tagName === 'A') {
|
||
document.body.classList.remove('tocActive');
|
||
break;
|
||
} else{
|
||
el = el.parentNode;
|
||
}
|
||
}
|
||
}, false);
|
||
|
||
function createToggler(togglerSelector, targetSelector, className) {
|
||
var toggler = document.querySelector(togglerSelector);
|
||
var target = document.querySelector(targetSelector);
|
||
|
||
if (!toggler) {
|
||
return;
|
||
}
|
||
|
||
toggler.onclick = function(event) {
|
||
event.preventDefault();
|
||
|
||
target.classList.toggle(className);
|
||
};
|
||
}
|
||
});
|
||
</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/interactionmanager.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">InteractionManager</h1></header><article><div><span><p>InteractionManager allows long-running work to be scheduled after any interactions/animations have completed. In particular, this allows JavaScript animations to run smoothly.</p>
|
||
<p>Applications can schedule tasks to run after interactions with the following:</p>
|
||
<pre><code class="hljs css language-jsx">InteractionManager<span class="token punctuation">.</span><span class="token function">runAfterInteractions</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
|
||
<span class="token comment">// ...long-running synchronous task...</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
</code></pre>
|
||
<p>Compare this to other scheduling alternatives:</p>
|
||
<ul>
|
||
<li>requestAnimationFrame(): for code that animates a view over time.</li>
|
||
<li>setImmediate/setTimeout(): run code later, note this may delay animations.</li>
|
||
<li>runAfterInteractions(): run code later, without delaying active animations.</li>
|
||
</ul>
|
||
<p>The touch handling system considers one or more active touches to be an 'interaction' and will delay <code>runAfterInteractions()</code> callbacks until all touches have ended or been cancelled.</p>
|
||
<p>InteractionManager also allows applications to register animations by creating an interaction 'handle' on animation start, and clearing it upon completion:</p>
|
||
<pre><code class="hljs css language-jsx"><span class="token keyword">var</span> handle <span class="token operator">=</span> InteractionManager<span class="token punctuation">.</span><span class="token function">createInteractionHandle</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token comment">// run animation... (`runAfterInteractions` tasks are queued)</span>
|
||
<span class="token comment">// later, on animation completion:</span>
|
||
InteractionManager<span class="token punctuation">.</span><span class="token function">clearInteractionHandle</span><span class="token punctuation">(</span>handle<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token comment">// queued tasks run if all handles were cleared</span>
|
||
</code></pre>
|
||
<p><code>runAfterInteractions</code> takes either a plain callback function, or a <code>PromiseTask</code> object with a <code>gen</code> method that returns a <code>Promise</code>. If a <code>PromiseTask</code> is supplied, then it is fully resolved (including asynchronous dependencies that also schedule more tasks via <code>runAfterInteractions</code>) before starting on the next task that might have been queued up synchronously earlier.</p>
|
||
<p>By default, queued tasks are executed together in a loop in one <code>setImmediate</code> batch. If <code>setDeadline</code> is called with a positive number, then tasks will only be executed until the deadline (in terms of js event loop run time) approaches, at which point execution will yield via setTimeout, allowing events such as touches to start interactions and block queued tasks from executing, making apps more responsive.</p>
|
||
<hr>
|
||
<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>
|
||
<h3><a class="anchor" aria-hidden="true" id="basic"></a><a href="#basic" 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>Basic</h3>
|
||
<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, useEffect } <span class="hljs-keyword">from</span> <span class="hljs-string">"react"</span>;
|
||
<span class="hljs-keyword">import</span> {
|
||
Alert,
|
||
Animated,
|
||
InteractionManager,
|
||
Platform,
|
||
StyleSheet,
|
||
Text,
|
||
View,
|
||
} <span class="hljs-keyword">from</span> <span class="hljs-string">"react-native"</span>;
|
||
|
||
<span class="hljs-keyword">const</span> instructions = Platform.select({
|
||
<span class="hljs-attr">ios</span>: <span class="hljs-string">"Press Cmd+R to reload,\n"</span> + <span class="hljs-string">"Cmd+D or shake for dev menu"</span>,
|
||
<span class="hljs-attr">android</span>:
|
||
<span class="hljs-string">"Double tap R on your keyboard to reload,\n"</span> +
|
||
<span class="hljs-string">"Shake or press menu button for dev menu"</span>,
|
||
});
|
||
|
||
<span class="hljs-keyword">const</span> useMount = <span class="hljs-function"><span class="hljs-params">func</span> =></span> useEffect(<span class="hljs-function"><span class="hljs-params">()</span> =></span> func(), []);
|
||
|
||
<span class="hljs-keyword">const</span> useFadeIn = <span class="hljs-function">(<span class="hljs-params">duration = <span class="hljs-number">5000</span></span>) =></span> {
|
||
<span class="hljs-keyword">const</span> [opacity] = useState(<span class="hljs-keyword">new</span> Animated.Value(<span class="hljs-number">0</span>));
|
||
|
||
<span class="hljs-comment">// Running the animation when the component is mounted</span>
|
||
useMount(<span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
<span class="hljs-comment">// Animated.timing() create a interaction handle by default, if you want to disabled that</span>
|
||
<span class="hljs-comment">// behaviour you can set isInteraction to false to disabled that.</span>
|
||
Animated.timing(opacity, {
|
||
<span class="hljs-attr">toValue</span>: <span class="hljs-number">1</span>,
|
||
duration,
|
||
}).start();
|
||
});
|
||
|
||
<span class="hljs-keyword">return</span> opacity;
|
||
};
|
||
|
||
<span class="hljs-keyword">const</span> Ball = <span class="hljs-function">(<span class="hljs-params">{ onShown }</span>) =></span> {
|
||
<span class="hljs-keyword">const</span> opacity = useFadeIn();
|
||
|
||
<span class="hljs-comment">// Running a method after the animation</span>
|
||
useMount(<span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
InteractionManager.runAfterInteractions(<span class="hljs-function"><span class="hljs-params">()</span> =></span> onShown());
|
||
});
|
||
|
||
<span class="hljs-keyword">return</span> <Animated.View style={[styles.ball, { opacity }]} />;
|
||
};
|
||
|
||
const App = () => {
|
||
return (
|
||
<View style={styles.container}>
|
||
<Text>{instructions}</Text>
|
||
<Ball onShown={() => Alert.alert("Animation is done")} />
|
||
</View>
|
||
);
|
||
};
|
||
|
||
export default App;
|
||
|
||
const styles = StyleSheet.create({
|
||
container: { flex: 1, justifyContent: "center", alignItems: "center" },
|
||
ball: {
|
||
width: 100,
|
||
height: 100,
|
||
backgroundColor: "salmon",
|
||
borderRadius: 100,
|
||
},
|
||
});
|
||
|
||
</code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
|
||
data-snack-name="InteractionManager Function Component Basic Example"
|
||
data-snack-description="Example usage"
|
||
data-snack-code="import%20React%2C%20%7B%20useState%2C%20useEffect%20%7D%20from%20%22react%22%3B%0Aimport%20%7B%0A%20%20Alert%2C%0A%20%20Animated%2C%0A%20%20InteractionManager%2C%0A%20%20Platform%2C%0A%20%20StyleSheet%2C%0A%20%20Text%2C%0A%20%20View%2C%0A%7D%20from%20%22react-native%22%3B%0A%0Aconst%20instructions%20%3D%20Platform.select(%7B%0A%20%20ios%3A%20%22Press%20Cmd%2BR%20to%20reload%2C%5Cn%22%20%2B%20%22Cmd%2BD%20or%20shake%20for%20dev%20menu%22%2C%0A%20%20android%3A%0A%20%20%20%20%22Double%20tap%20R%20on%20your%20keyboard%20to%20reload%2C%5Cn%22%20%2B%0A%20%20%20%20%22Shake%20or%20press%20menu%20button%20for%20dev%20menu%22%2C%0A%7D)%3B%0A%0Aconst%20useMount%20%3D%20func%20%3D%3E%20useEffect(()%20%3D%3E%20func()%2C%20%5B%5D)%3B%0A%0Aconst%20useFadeIn%20%3D%20(duration%20%3D%205000)%20%3D%3E%20%7B%0A%20%20const%20%5Bopacity%5D%20%3D%20useState(new%20Animated.Value(0))%3B%0A%0A%20%20%2F%2F%20Running%20the%20animation%20when%20the%20component%20is%20mounted%0A%20%20useMount(()%20%3D%3E%20%7B%0A%20%20%20%20%2F%2F%20Animated.timing()%20create%20a%20interaction%20handle%20by%20default%2C%20if%20you%20want%20to%20disabled%20that%0A%20%20%20%20%2F%2F%20behaviour%20you%20can%20set%20isInteraction%20to%20false%20to%20disabled%20that.%0A%20%20%20%20Animated.timing(opacity%2C%20%7B%0A%20%20%20%20%20%20toValue%3A%201%2C%0A%20%20%20%20%20%20duration%2C%0A%20%20%20%20%7D).start()%3B%0A%20%20%7D)%3B%0A%0A%20%20return%20opacity%3B%0A%7D%3B%0A%0Aconst%20Ball%20%3D%20(%7B%20onShown%20%7D)%20%3D%3E%20%7B%0A%20%20const%20opacity%20%3D%20useFadeIn()%3B%0A%0A%20%20%2F%2F%20Running%20a%20method%20after%20the%20animation%0A%20%20useMount(()%20%3D%3E%20%7B%0A%20%20%20%20InteractionManager.runAfterInteractions(()%20%3D%3E%20onShown())%3B%0A%20%20%7D)%3B%0A%0A%20%20return%20%3CAnimated.View%20style%3D%7B%5Bstyles.ball%2C%20%7B%20opacity%20%7D%5D%7D%20%2F%3E%3B%0A%7D%3B%0A%0Aconst%20App%20%3D%20()%20%3D%3E%20%7B%0A%20%20return%20(%0A%20%20%20%20%3CView%20style%3D%7Bstyles.container%7D%3E%0A%20%20%20%20%20%20%3CText%3E%7Binstructions%7D%3C%2FText%3E%0A%20%20%20%20%20%20%3CBall%20onShown%3D%7B()%20%3D%3E%20Alert.alert(%22Animation%20is%20done%22)%7D%20%2F%3E%0A%20%20%20%20%3C%2FView%3E%0A%20%20)%3B%0A%7D%3B%0A%0Aexport%20default%20App%3B%0A%0Aconst%20styles%20%3D%20StyleSheet.create(%7B%0A%20%20container%3A%20%7B%20flex%3A%201%2C%20justifyContent%3A%20%22center%22%2C%20alignItems%3A%20%22center%22%20%7D%2C%0A%20%20ball%3A%20%7B%0A%20%20%20%20width%3A%20100%2C%0A%20%20%20%20height%3A%20100%2C%0A%20%20%20%20backgroundColor%3A%20%22salmon%22%2C%0A%20%20%20%20borderRadius%3A%20100%2C%0A%20%20%7D%2C%0A%7D)%3B%0A%0A"
|
||
data-snack-platform="web"
|
||
data-snack-supported-platforms=ios,android
|
||
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><h3><a class="anchor" aria-hidden="true" id="advanced"></a><a href="#advanced" 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>Advanced</h3>
|
||
<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, { useEffect } <span class="hljs-keyword">from</span> <span class="hljs-string">"react"</span>;
|
||
<span class="hljs-keyword">import</span> {
|
||
Alert,
|
||
Animated,
|
||
InteractionManager,
|
||
Platform,
|
||
StyleSheet,
|
||
Text,
|
||
View,
|
||
} <span class="hljs-keyword">from</span> <span class="hljs-string">"react-native"</span>;
|
||
|
||
<span class="hljs-keyword">const</span> instructions = Platform.select({
|
||
<span class="hljs-attr">ios</span>: <span class="hljs-string">"Press Cmd+R to reload,\n"</span> + <span class="hljs-string">"Cmd+D or shake for dev menu"</span>,
|
||
<span class="hljs-attr">android</span>:
|
||
<span class="hljs-string">"Double tap R on your keyboard to reload,\n"</span> +
|
||
<span class="hljs-string">"Shake or press menu button for dev menu"</span>,
|
||
});
|
||
|
||
<span class="hljs-keyword">const</span> useMount = <span class="hljs-function"><span class="hljs-params">func</span> =></span> useEffect(<span class="hljs-function"><span class="hljs-params">()</span> =></span> func(), []);
|
||
|
||
<span class="hljs-comment">// You can create a custom interaction/animation and add</span>
|
||
<span class="hljs-comment">// support for InteractionManager</span>
|
||
<span class="hljs-keyword">const</span> useCustomInteraction = <span class="hljs-function">(<span class="hljs-params">timeLocked = <span class="hljs-number">2000</span></span>) =></span> {
|
||
useMount(<span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
<span class="hljs-keyword">const</span> handle = InteractionManager.createInteractionHandle();
|
||
|
||
setTimeout(
|
||
<span class="hljs-function"><span class="hljs-params">()</span> =></span> InteractionManager.clearInteractionHandle(handle),
|
||
timeLocked
|
||
);
|
||
|
||
<span class="hljs-keyword">return</span> <span class="hljs-function"><span class="hljs-params">()</span> =></span> InteractionManager.clearInteractionHandle(handle);
|
||
});
|
||
};
|
||
|
||
<span class="hljs-keyword">const</span> Ball = <span class="hljs-function">(<span class="hljs-params">{ onInteractionIsDone }</span>) =></span> {
|
||
useCustomInteraction();
|
||
|
||
<span class="hljs-comment">// Running a method after the interaction</span>
|
||
useMount(<span class="hljs-function"><span class="hljs-params">()</span> =></span> {
|
||
InteractionManager.runAfterInteractions(<span class="hljs-function"><span class="hljs-params">()</span> =></span> onInteractionIsDone());
|
||
});
|
||
|
||
<span class="hljs-keyword">return</span> <Animated.View style={[styles.ball]} />;
|
||
};
|
||
|
||
const App = () => {
|
||
return (
|
||
<View style={styles.container}>
|
||
<Text>{instructions}</Text>
|
||
<Ball onInteractionIsDone={() => Alert.alert("Interaction is done")} />
|
||
</View>
|
||
);
|
||
};
|
||
|
||
export default App;
|
||
|
||
const styles = StyleSheet.create({
|
||
container: { flex: 1, justifyContent: "center", alignItems: "center" },
|
||
ball: {
|
||
width: 100,
|
||
height: 100,
|
||
backgroundColor: "salmon",
|
||
borderRadius: 100,
|
||
},
|
||
});
|
||
</code></pre></div><div class="desktop-friendly-snack" style="margin-top: 15px; margin-bottom: 15px"><div
|
||
data-snack-name="InteractionManager Function Component Advanced Example"
|
||
data-snack-description="Example usage"
|
||
data-snack-code="import%20React%2C%20%7B%20useEffect%20%7D%20from%20%22react%22%3B%0Aimport%20%7B%0A%20%20Alert%2C%0A%20%20Animated%2C%0A%20%20InteractionManager%2C%0A%20%20Platform%2C%0A%20%20StyleSheet%2C%0A%20%20Text%2C%0A%20%20View%2C%0A%7D%20from%20%22react-native%22%3B%0A%0Aconst%20instructions%20%3D%20Platform.select(%7B%0A%20%20ios%3A%20%22Press%20Cmd%2BR%20to%20reload%2C%5Cn%22%20%2B%20%22Cmd%2BD%20or%20shake%20for%20dev%20menu%22%2C%0A%20%20android%3A%0A%20%20%20%20%22Double%20tap%20R%20on%20your%20keyboard%20to%20reload%2C%5Cn%22%20%2B%0A%20%20%20%20%22Shake%20or%20press%20menu%20button%20for%20dev%20menu%22%2C%0A%7D)%3B%0A%0Aconst%20useMount%20%3D%20func%20%3D%3E%20useEffect(()%20%3D%3E%20func()%2C%20%5B%5D)%3B%0A%0A%2F%2F%20You%20can%20create%20a%20custom%20interaction%2Fanimation%20and%20add%0A%2F%2F%20support%20for%20InteractionManager%0Aconst%20useCustomInteraction%20%3D%20(timeLocked%20%3D%202000)%20%3D%3E%20%7B%0A%20%20useMount(()%20%3D%3E%20%7B%0A%20%20%20%20const%20handle%20%3D%20InteractionManager.createInteractionHandle()%3B%0A%0A%20%20%20%20setTimeout(%0A%20%20%20%20%20%20()%20%3D%3E%20InteractionManager.clearInteractionHandle(handle)%2C%0A%20%20%20%20%20%20timeLocked%0A%20%20%20%20)%3B%0A%0A%20%20%20%20return%20()%20%3D%3E%20InteractionManager.clearInteractionHandle(handle)%3B%0A%20%20%7D)%3B%0A%7D%3B%0A%0Aconst%20Ball%20%3D%20(%7B%20onInteractionIsDone%20%7D)%20%3D%3E%20%7B%0A%20%20useCustomInteraction()%3B%0A%0A%20%20%2F%2F%20Running%20a%20method%20after%20the%20interaction%0A%20%20useMount(()%20%3D%3E%20%7B%0A%20%20%20%20InteractionManager.runAfterInteractions(()%20%3D%3E%20onInteractionIsDone())%3B%0A%20%20%7D)%3B%0A%0A%20%20return%20%3CAnimated.View%20style%3D%7B%5Bstyles.ball%5D%7D%20%2F%3E%3B%0A%7D%3B%0A%0Aconst%20App%20%3D%20()%20%3D%3E%20%7B%0A%20%20return%20(%0A%20%20%20%20%3CView%20style%3D%7Bstyles.container%7D%3E%0A%20%20%20%20%20%20%3CText%3E%7Binstructions%7D%3C%2FText%3E%0A%20%20%20%20%20%20%3CBall%20onInteractionIsDone%3D%7B()%20%3D%3E%20Alert.alert(%22Interaction%20is%20done%22)%7D%20%2F%3E%0A%20%20%20%20%3C%2FView%3E%0A%20%20)%3B%0A%7D%3B%0A%0Aexport%20default%20App%3B%0A%0Aconst%20styles%20%3D%20StyleSheet.create(%7B%0A%20%20container%3A%20%7B%20flex%3A%201%2C%20justifyContent%3A%20%22center%22%2C%20alignItems%3A%20%22center%22%20%7D%2C%0A%20%20ball%3A%20%7B%0A%20%20%20%20width%3A%20100%2C%0A%20%20%20%20height%3A%20100%2C%0A%20%20%20%20backgroundColor%3A%20%22salmon%22%2C%0A%20%20%20%20borderRadius%3A%20100%2C%0A%20%20%7D%2C%0A%7D)%3B%0A"
|
||
data-snack-platform="web"
|
||
data-snack-supported-platforms=ios,android
|
||
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><blockquote>
|
||
<p><strong>Note</strong>: <code>InteractionManager.runAfterInteractions()</code> is not working properly on web. It triggers immediately without waiting until the interaction is finished.</p>
|
||
</blockquote>
|
||
<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="runafterinteractions"></a><a href="#runafterinteractions" 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>runAfterInteractions()</code></h3>
|
||
<pre><code class="hljs css language-jsx"><span class="token keyword">static</span> <span class="token function">runAfterInteractions</span><span class="token punctuation">(</span>task<span class="token punctuation">)</span>
|
||
</code></pre>
|
||
<p>Schedule a function to run after all interactions have completed. Returns a cancellable "promise".</p>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="createinteractionhandle"></a><a href="#createinteractionhandle" 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>createInteractionHandle()</code></h3>
|
||
<pre><code class="hljs css language-jsx"><span class="token keyword">static</span> <span class="token function">createInteractionHandle</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
||
</code></pre>
|
||
<p>Notify manager that an interaction has started.</p>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="clearinteractionhandle"></a><a href="#clearinteractionhandle" 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>clearInteractionHandle()</code></h3>
|
||
<pre><code class="hljs css language-jsx"><span class="token keyword">static</span> <span class="token function">clearInteractionHandle</span><span class="token punctuation">(</span>handle<span class="token punctuation">)</span>
|
||
</code></pre>
|
||
<p>Notify manager that an interaction has completed.</p>
|
||
<hr>
|
||
<h3><a class="anchor" aria-hidden="true" id="setdeadline"></a><a href="#setdeadline" 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>setDeadline()</code></h3>
|
||
<pre><code class="hljs css language-jsx"><span class="token keyword">static</span> <span class="token function">setDeadline</span><span class="token punctuation">(</span>deadline<span class="token punctuation">)</span>
|
||
</code></pre>
|
||
<p>A positive number will use setTimeout to schedule any tasks after the eventLoopRunningTime hits the deadline value, otherwise all tasks will be executed in one setImmediate batch (default).</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>
|
||
<hr>
|
||
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/easing"><span class="arrow-prev">← </span><span>Easing</span></a><a class="docs-next button" href="/docs/keyboard"><span>Keyboard</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#example">Example</a><ul class="toc-headings"><li><a href="#basic">Basic</a></li><li><a href="#advanced">Advanced</a></li></ul></li><li><a href="#methods">Methods</a><ul class="toc-headings"><li><a href="#runafterinteractions"><code>runAfterInteractions()</code></a></li><li><a href="#createinteractionhandle"><code>createInteractionHandle()</code></a></li><li><a href="#clearinteractionhandle"><code>clearInteractionHandle()</code></a></li><li><a href="#setdeadline"><code>setDeadline()</code></a></li></ul></li><li><a href="#properties">Properties</a></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> |