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<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Handling Notification Events · React native notifications</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="When a push notification is received by the device, the application can be in one of the following states:"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Handling Notification Events · React native notifications"/><meta property="og:type" content="website"/><meta property="og:url" content="https://wix.github.io/react-native-notifications/"/><meta property="og:description" content="When a push notification is received by the device, the application can be in one of the following states:"/><meta property="og:image" content="https://wix.github.io/react-native-notifications/img/undraw_online.svg"/><meta name="twitter:card" content="summary"/><meta name="twitter:image" content="https://wix.github.io/react-native-notifications/img/undraw_tweetstorm.svg"/><link rel="shortcut icon" href="/react-native-notifications/undefined"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/default.min.css"/><script type="text/javascript" src="https://buttons.github.io/buttons.js"></script><script src="/react-native-notifications/js/scrollSpy.js"></script><link rel="stylesheet" href="/react-native-notifications/css/main.css"/><script src="/react-native-notifications/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/react-native-notifications/"><h2 class="headerTitle">React native notifications</h2></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/react-native-notifications/docs/installation-ios" target="_self">Docs</a></li><li class=""><a href="/react-native-notifications/docs/general-api" target="_self">API</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>Guides</span></h2><div class="tocToggler" id="tocToggler"><i class="icon-toc"></i></div></div><div class="navGroups"><div class="navGroup"><h3 class="navGroupCategoryTitle">Guides</h3><ul class=""><li class="navListItem"><a class="navItem" href="/react-native-notifications/docs/getting-started">Getting Started</a></li><li class="navListItem"><a class="navItem" href="/react-native-notifications/docs/subscription">Subscription</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/react-native-notifications/docs/notifications-events">Events</a></li><li class="navListItem"><a class="navItem" href="/react-native-notifications/docs/localNotifications">Local Notifications</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Installation</h3><ul class=""><li class="navListItem"><a class="navItem" href="/react-native-notifications/docs/installation-ios">iOS Installation</a></li><li class="navListItem"><a class="navItem" href="/react-native-notifications/docs/installation-android">Android Installation</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Advanced</h3><ul class=""><li class="navListItem"><a class="navItem" href="/react-native-notifications/docs/advanced-ios">iOS</a></li></ul></div></div></section></div><script>
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</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 id="__docusaurus" class="postHeaderTitle">Handling Notification Events</h1></header><article><div><span><p>When a push notification is received by the device, the application can be in one of the following states:</p>
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<ol>
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<li><strong>Forground:</strong> When the app is running and is used by the user right now; in this case, a <code>notificationReceived</code> event will be fired, do not forget to invoke <code>completion()</code> callback.</li>
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</ol>
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<p>Finally, when a notification is <em>opened</em> by the device user (i.e. tapped-on), a <code>notificationOpened</code> event is fired, here as well you need to remember invoking <code>completion()</code> callback.</p>
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<p>Example:</p>
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<pre><code class="hljs css language-javascript"><span class="hljs-keyword">constructor</span>() {
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Notifications.events().registerNotificationReceived(<span class="hljs-function">(<span class="hljs-params">notification: Notification, completion: (response: NotificationCompletion</span>) =></span> <span class="hljs-keyword">void</span>) => {
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<span class="hljs-built_in">console</span>.log(<span class="hljs-string">"Notification Received - Foreground"</span>, notification.data);
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<span class="hljs-comment">// Calling completion on iOS with `alert: true` will present the native iOS inApp notification.</span>
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completion({<span class="hljs-attr">alert</span>: <span class="hljs-literal">true</span>, <span class="hljs-attr">sound</span>: <span class="hljs-literal">true</span>, <span class="hljs-attr">badge</span>: <span class="hljs-literal">false</span>});
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});
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Notifications.events().registerRemoteNotificationOpened(<span class="hljs-function">(<span class="hljs-params">notification: Notification, completion: (</span>) =></span> <span class="hljs-keyword">void</span>, <span class="hljs-attr">action</span>: NotificationActionResponse) => {
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<span class="hljs-built_in">console</span>.log(<span class="hljs-string">"Notification opened by device user"</span>, notification.data);
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<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Notification opened with an action identifier: <span class="hljs-subst">${action.identifier}</span> and response text: <span class="hljs-subst">${action.text}</span>`</span>);
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completion();
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});
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}
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</code></pre>
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<h3><a class="anchor" aria-hidden="true" id="notification-object"></a><a href="#notification-object" 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>Notification Object</h3>
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<p>When you receive a push notification, you'll get an instance of <a href="notification-object">Notification</a> object, contains the following methods:</p>
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<h2><a class="anchor" aria-hidden="true" id="querying-initial-notification"></a><a href="#querying-initial-notification" 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>Querying initial notification</h2>
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<p>React-Native's <a href="https://facebook.github.io/react-native/docs/pushnotificationios.html#getinitialnotification"><code>PushNotificationsIOS.getInitialNotification()</code></a> allows for the async retrieval of the original notification used to open the App on iOS, but it has no equivalent implementation for Android.</p>
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<pre><code class="hljs css language-javascript"><span class="hljs-keyword">import</span> {Notifications} <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native-notifications'</span>;
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Notifications.getInitialNotification()
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.then(<span class="hljs-function">(<span class="hljs-params">notification</span>) =></span> {
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<span class="hljs-built_in">console</span>.log(<span class="hljs-string">"Initial notification was:"</span>, (notification ? notification.data : <span class="hljs-string">'N/A'</span>));
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})
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.catch(<span class="hljs-function">(<span class="hljs-params">err</span>) =></span> <span class="hljs-built_in">console</span>.error(<span class="hljs-string">"getInitialNotifiation() failed"</span>, err));
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</code></pre>
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<blockquote>
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<p><strong>Note</strong></p>
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<p>Notifications are considered 'initial' under the following terms:</p>
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</blockquote>
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<blockquote>
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<ul>
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<li>User tapped on a notification, <em>AND</em> -</li>
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<li>App was either not running at all ("dead" state), <em>OR</em> it existed in the background with <strong>no running activities</strong> associated with it.</li>
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</ul>
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</blockquote>
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</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/react-native-notifications/docs/subscription"><span class="arrow-prev">← </span><span>Subscription</span></a><a class="docs-next button" href="/react-native-notifications/docs/localNotifications"><span>Local Notifications</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#querying-initial-notification">Querying initial notification</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/react-native-notifications/" class="nav-home"></a><div><h5>Docs</h5><a href="/react-native-notifications/docs/getting-started">Getting Started (or other categories)</a><a href="/react-native-notifications/docs/installation-ios">Guides</a><a href="/react-native-notifications/docs/general-api">API Reference</a></div><div></div><div><h5>More</h5><a href="/react-native-notifications/blog">Blog</a><a href="https://github.com/wix/react-native-notifications">GitHub</a><a class="github-button" href="https://github.com/wix/react-native-notifications" data-icon="octicon-star" data-count-href="/facebook/docusaurus/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><section class="copyright">Copyright © 2020 Wix</section></footer></div></body></html> |