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148 lines
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HTML
148 lines
46 KiB
HTML
<!DOCTYPE html><html><head><title>Linking</title><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><meta name="viewport" content="width=device-width"><meta property="fb:app_id" content="1677033832619985"><meta property="fb:admins" content="121800083"><meta property="og:site_name" content="React Native"><meta property="og:title" content="Linking"><meta property="og:url" content="https://facebook.github.io/react-native/index.html"><meta property="og:image" content="https://facebook.github.io/react-native/img/opengraph.png"><meta property="og:description" content="A framework for building native apps using React"><meta name="twitter:site" content="@reactnative"><meta name="twitter:card" content="summary_large_image"><meta property="og:type" content="website"><base href="/react-native/"><link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"><link rel="shortcut icon" href="img/favicon.png?2"><link rel="stylesheet" href="css/react-native.css"><link rel="alternate" type="application/rss+xml" title="React Native Blog" href="https://facebook.github.io/react-native/blog/feed.xml"><link href="//cdn-images.mailchimp.com/embedcode/horizontal-slim-10_7.css" rel="stylesheet" type="text/css"><script type="text/javascript" src="//use.typekit.net/vqa1hcx.js"></script><script type="text/javascript">try{Typekit.load();}catch(e){}</script></head><body><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><div class="container"><div class="nav-main"><div class="wrap"><a class="nav-home" href=""><img src="img/header_logo.png">React Native</a><a class="nav-version" href="/react-native/versions.html">0.44</a><div class="nav-site-wrapper"><ul class="nav-site nav-site-internal"><li><a href="docs/getting-started.html" class="active" data-target=".nav-docs">Docs</a></li><li><a href="/react-native/support.html" class="">Help</a></li><li><a href="/react-native/showcase.html" class="">Showcase</a></li><li><a href="/react-native/blog/" class="">Blog</a></li></ul><div class="algolia-search-wrapper"><input id="algolia-doc-search" tabindex="0" type="text" placeholder="Search docs..."></div><ul class="nav-site nav-site-external"><li><a href="https://github.com/facebook/react-native" class="">GitHub</a></li><li><a href="http://facebook.github.io/react" class="">React</a></li></ul></div></div></div><section class="content wrap documentationContent"><div class="nav-docs"><div class="nav-docs-viewport"><div class="nav-docs-section"><h3>The Basics</h3><ul><li><a style="margin-left:10px;" class="" href="docs/getting-started.html">Getting Started</a></li><li><a style="margin-left:10px;" class="" href="docs/tutorial.html">Tutorial</a></li><li><a style="margin-left:10px;" class="" href="docs/props.html">Props</a></li><li><a style="margin-left:10px;" class="" href="docs/state.html">State</a></li><li><a style="margin-left:10px;" class="" href="docs/style.html">Style</a></li><li><a style="margin-left:10px;" class="" href="docs/height-and-width.html">Height and Width</a></li><li><a style="margin-left:10px;" class="" href="docs/flexbox.html">Layout with Flexbox</a></li><li><a style="margin-left:10px;" class="" href="docs/handling-text-input.html">Handling Text Input</a></li><li><a style="margin-left:10px;" class="" href="docs/using-a-scrollview.html">Using a ScrollView</a></li><li><a style="margin-left:10px;" class="" href="docs/using-a-listview.html">Using a ListView</a></li><li><a style="margin-left:10px;" class="" href="docs/network.html">Networking</a></li><li><a style="margin-left:10px;" class="" href="docs/more-resources.html">More Resources</a></li></ul></div><div class="nav-docs-section"><h3>Guides</h3><ul><li><a style="margin-left:10px;" class="" href="docs/handling-touches.html">Handling Touches</a></li><li><a style="margin-left:10px;" class="" href="docs/animations.html">Animations</a></li><li><a style="margin-left:10px;" class="" href="docs/navigation.html">Navigation</a></li><li><a style="margin-left:10px;" class="" href="docs/images.html">Images</a></li><li><a style="margin-left:10px;" class="" href="docs/colors.html">Colors</a></li><li><a style="margin-left:10px;" class="" href="docs/platform-specific-code.html">Platform Specific Code</a></li><li><a style="margin-left:10px;" class="" href="docs/debugging.html">Debugging</a></li><li><a style="margin-left:10px;" class="" href="docs/accessibility.html">Accessibility</a></li><li><a style="margin-left:10px;" class="" href="docs/timers.html">Timers</a></li><li><a style="margin-left:10px;" class="" href="docs/javascript-environment.html">JavaScript Environment</a></li><li><a style="margin-left:10px;" class="" href="docs/direct-manipulation.html">Direct Manipulation</a></li><li><a style="margin-left:10px;" class="" href="docs/performance.html">Performance</a></li><li><a style="margin-left:10px;" class="" href="docs/gesture-responder-system.html">Gesture Responder System</a></li><li><a style="margin-left:10px;" class="" href="docs/testing.html">Testing</a></li><li><a style="margin-left:10px;" class="" href="docs/understanding-cli.html">Understanding the CLI</a></li><li><a style="margin-left:10px;" class="" href="docs/integration-with-existing-apps.html">Integration With Existing Apps</a></li><li><a style="margin-left:10px;" class="" href="docs/running-on-device.html">Running On Device</a></li><li><a style="margin-left:10px;" class="" href="docs/upgrading.html">Upgrading</a></li></ul></div><div class="nav-docs-section"><h3>Guides (iOS)</h3><ul><li><a style="margin-left:10px;" class="" href="docs/native-modules-ios.html">Native Modules</a></li><li><a style="margin-left:10px;" class="" href="docs/native-components-ios.html">Native UI Components</a></li><li><a style="margin-left:10px;" class="" href="docs/linking-libraries-ios.html">Linking Libraries</a></li><li><a style="margin-left:10px;" class="" href="docs/running-on-simulator-ios.html">Running On Simulator</a></li><li><a style="margin-left:10px;" class="" href="docs/communication-ios.html">Communication between native and React Native</a></li></ul></div><div class="nav-docs-section"><h3>Guides (Android)</h3><ul><li><a style="margin-left:10px;" class="" href="docs/native-modules-android.html">Native Modules</a></li><li><a style="margin-left:10px;" class="" href="docs/native-components-android.html">Native UI Components</a></li><li><a style="margin-left:10px;" class="" href="docs/headless-js-android.html">Headless JS</a></li><li><a style="margin-left:10px;" class="" href="docs/signed-apk-android.html">Generating Signed APK</a></li><li><a style="margin-left:10px;" class="" href="docs/android-building-from-source.html">Building React Native from source</a></li></ul></div><div class="nav-docs-section"><h3>components</h3><ul><li><a style="margin-left:10px;" class="" href="docs/activityindicator.html">ActivityIndicator</a></li><li><a style="margin-left:10px;" class="" href="docs/button.html">Button</a></li><li><a style="margin-left:10px;" class="" href="docs/datepickerios.html">DatePickerIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/drawerlayoutandroid.html">DrawerLayoutAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/flatlist.html">FlatList</a></li><li><a style="margin-left:10px;" class="" href="docs/image.html">Image</a></li><li><a style="margin-left:10px;" class="" href="docs/keyboardavoidingview.html">KeyboardAvoidingView</a></li><li><a style="margin-left:10px;" class="" href="docs/listview.html">ListView</a></li><li><a style="margin-left:10px;" class="" href="docs/modal.html">Modal</a></li><li><a style="margin-left:10px;" class="" href="docs/navigatorios.html">NavigatorIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/picker.html">Picker</a></li><li><a style="margin-left:10px;" class="" href="docs/pickerios.html">PickerIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/progressbarandroid.html">ProgressBarAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/progressviewios.html">ProgressViewIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/refreshcontrol.html">RefreshControl</a></li><li><a style="margin-left:10px;" class="" href="docs/scrollview.html">ScrollView</a></li><li><a style="margin-left:10px;" class="" href="docs/sectionlist.html">SectionList</a></li><li><a style="margin-left:10px;" class="" href="docs/segmentedcontrolios.html">SegmentedControlIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/slider.html">Slider</a></li><li><a style="margin-left:10px;" class="" href="docs/snapshotviewios.html">SnapshotViewIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/statusbar.html">StatusBar</a></li><li><a style="margin-left:10px;" class="" href="docs/switch.html">Switch</a></li><li><a style="margin-left:10px;" class="" href="docs/tabbarios.html">TabBarIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/tabbarios-item.html">TabBarIOS.Item</a></li><li><a style="margin-left:10px;" class="" href="docs/text.html">Text</a></li><li><a style="margin-left:10px;" class="" href="docs/textinput.html">TextInput</a></li><li><a style="margin-left:10px;" class="" href="docs/toolbarandroid.html">ToolbarAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/touchablehighlight.html">TouchableHighlight</a></li><li><a style="margin-left:10px;" class="" href="docs/touchablenativefeedback.html">TouchableNativeFeedback</a></li><li><a style="margin-left:10px;" class="" href="docs/touchableopacity.html">TouchableOpacity</a></li><li><a style="margin-left:10px;" class="" href="docs/touchablewithoutfeedback.html">TouchableWithoutFeedback</a></li><li><a style="margin-left:10px;" class="" href="docs/view.html">View</a></li><li><a style="margin-left:10px;" class="" href="docs/viewpagerandroid.html">ViewPagerAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/virtualizedlist.html">VirtualizedList</a></li><li><a style="margin-left:10px;" class="" href="docs/webview.html">WebView</a></li></ul></div><div class="nav-docs-section"><h3>APIs</h3><ul><li><a style="margin-left:10px;" class="" href="docs/accessibilityinfo.html">AccessibilityInfo</a></li><li><a style="margin-left:10px;" class="" href="docs/actionsheetios.html">ActionSheetIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/adsupportios.html">AdSupportIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/alert.html">Alert</a></li><li><a style="margin-left:10px;" class="" href="docs/alertios.html">AlertIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/animated.html">Animated</a></li><li><a style="margin-left:10px;" class="" href="docs/appregistry.html">AppRegistry</a></li><li><a style="margin-left:10px;" class="" href="docs/appstate.html">AppState</a></li><li><a style="margin-left:10px;" class="" href="docs/asyncstorage.html">AsyncStorage</a></li><li><a style="margin-left:10px;" class="" href="docs/backandroid.html">BackAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/backhandler.html">BackHandler</a></li><li><a style="margin-left:10px;" class="" href="docs/cameraroll.html">CameraRoll</a></li><li><a style="margin-left:10px;" class="" href="docs/clipboard.html">Clipboard</a></li><li><a style="margin-left:10px;" class="" href="docs/datepickerandroid.html">DatePickerAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/dimensions.html">Dimensions</a></li><li><a style="margin-left:10px;" class="" href="docs/easing.html">Easing</a></li><li><a style="margin-left:10px;" class="" href="docs/geolocation.html">Geolocation</a></li><li><a style="margin-left:10px;" class="" href="docs/imageeditor.html">ImageEditor</a></li><li><a style="margin-left:10px;" class="" href="docs/imagepickerios.html">ImagePickerIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/imagestore.html">ImageStore</a></li><li><a style="margin-left:10px;" class="" href="docs/interactionmanager.html">InteractionManager</a></li><li><a style="margin-left:10px;" class="" href="docs/keyboard.html">Keyboard</a></li><li><a style="margin-left:10px;" class="" href="docs/layoutanimation.html">LayoutAnimation</a></li><li><a style="margin-left:10px;" class="active" href="docs/linking.html">Linking</a></li><li><a style="margin-left:10px;" class="" href="docs/nativemethodsmixin.html">NativeMethodsMixin</a></li><li><a style="margin-left:10px;" class="" href="docs/netinfo.html">NetInfo</a></li><li><a style="margin-left:10px;" class="" href="docs/panresponder.html">PanResponder</a></li><li><a style="margin-left:10px;" class="" href="docs/permissionsandroid.html">PermissionsAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/pixelratio.html">PixelRatio</a></li><li><a style="margin-left:10px;" class="" href="docs/pushnotificationios.html">PushNotificationIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/settings.html">Settings</a></li><li><a style="margin-left:10px;" class="" href="docs/share.html">Share</a></li><li><a style="margin-left:10px;" class="" href="docs/statusbarios.html">StatusBarIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/stylesheet.html">StyleSheet</a></li><li><a style="margin-left:10px;" class="" href="docs/systrace.html">Systrace</a></li><li><a style="margin-left:10px;" class="" href="docs/timepickerandroid.html">TimePickerAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/toastandroid.html">ToastAndroid</a></li><li><a style="margin-left:10px;" class="" href="docs/vibration.html">Vibration</a></li><li><a style="margin-left:10px;" class="" href="docs/vibrationios.html">VibrationIOS</a></li><li><a style="margin-left:10px;" class="" href="docs/layout-props.html">Layout Props</a></li><li><a style="margin-left:10px;" class="" href="docs/shadow-props.html">Shadow Props</a></li></ul></div></div></div><div class="inner-content"><a id="content"></a><h1><a class="anchor" name="linking"></a>Linking <a class="hash-link" href="docs/linking.html#linking">#</a></h1><div><div><p><code>Linking</code> gives you a general interface to interact with both incoming
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and outgoing app links.</p><h3><a class="anchor" name="basic-usage"></a>Basic Usage <a class="hash-link" href="docs/linking.html#basic-usage">#</a></h3><h4><a class="anchor" name="handling-deep-links"></a>Handling deep links <a class="hash-link" href="docs/linking.html#handling-deep-links">#</a></h4><p>If your app was launched from an external url registered to your app you can
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access and handle it from any component you want with</p><div class="prism language-javascript"><span class="token function">componentDidMount<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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Linking<span class="token punctuation">.</span><span class="token function">getInitialURL<span class="token punctuation">(</span></span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">then<span class="token punctuation">(</span></span><span class="token punctuation">(</span>url<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token punctuation">{</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span>url<span class="token punctuation">)</span> <span class="token punctuation">{</span>
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console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">'Initial url is: '</span> <span class="token operator">+</span> url<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><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token keyword">catch</span><span class="token punctuation">(</span>err <span class="token operator">=</span><span class="token operator">></span> console<span class="token punctuation">.</span><span class="token function">error<span class="token punctuation">(</span></span><span class="token string">'An error occurred'</span><span class="token punctuation">,</span> err<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span></div><p>NOTE: For instructions on how to add support for deep linking on Android,
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refer to <a href="http://developer.android.com/training/app-indexing/deep-linking.html#adding-filters" target="_blank">Enabling Deep Links for App Content - Add Intent Filters for Your Deep Links</a>.</p><p>If you wish to receive the intent in an existing instance of MainActivity,
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you may set the <code>launchMode</code> of MainActivity to <code>singleTask</code> in
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<code>AndroidManifest.xml</code>. See <a href="http://developer.android.com/guide/topics/manifest/activity-element.html" target="_blank"><code><activity></code></a>
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documentation for more information.</p><div class="prism language-javascript"><activity
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android<span class="token punctuation">:</span>name<span class="token operator">=</span><span class="token string">".MainActivity"</span>
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android<span class="token punctuation">:</span>launchMode<span class="token operator">=</span><span class="token string">"singleTask"</span><span class="token operator">></span></div><p>NOTE: On iOS you'll need to link <code>RCTLinking</code> to your project by following
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the steps described <a href="docs/linking-libraries-ios.html#manual-linking" target="_blank">here</a>.
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In case you also want to listen to incoming app links during your app's
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execution you'll need to add the following lines to you <code>*AppDelegate.m</code>:</p><div class="prism language-javascript">#import <React<span class="token operator">/</span>RCTLinkingManager<span class="token punctuation">.</span>h<span class="token operator">></span>
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<span class="token operator">-</span> <span class="token punctuation">(</span>BOOL<span class="token punctuation">)</span>application<span class="token punctuation">:</span><span class="token punctuation">(</span>UIApplication <span class="token operator">*</span><span class="token punctuation">)</span>application openURL<span class="token punctuation">:</span><span class="token punctuation">(</span>NSURL <span class="token operator">*</span><span class="token punctuation">)</span>url
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sourceApplication<span class="token punctuation">:</span><span class="token punctuation">(</span>NSString <span class="token operator">*</span><span class="token punctuation">)</span>sourceApplication annotation<span class="token punctuation">:</span><span class="token punctuation">(</span>id<span class="token punctuation">)</span>annotation
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<span class="token punctuation">{</span>
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<span class="token keyword">return</span> <span class="token punctuation">[</span>RCTLinkingManager application<span class="token punctuation">:</span>application openURL<span class="token punctuation">:</span>url
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sourceApplication<span class="token punctuation">:</span>sourceApplication annotation<span class="token punctuation">:</span>annotation<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 comment" spellcheck="true">
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// Only if your app is using [Universal Links](https://developer.apple.com/library/prerelease/ios/documentation/General/Conceptual/AppSearch/UniversalLinks.html).
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</span><span class="token operator">-</span> <span class="token punctuation">(</span>BOOL<span class="token punctuation">)</span>application<span class="token punctuation">:</span><span class="token punctuation">(</span>UIApplication <span class="token operator">*</span><span class="token punctuation">)</span>application continueUserActivity<span class="token punctuation">:</span><span class="token punctuation">(</span>NSUserActivity <span class="token operator">*</span><span class="token punctuation">)</span>userActivity
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restorationHandler<span class="token punctuation">:</span><span class="token punctuation">(</span>void <span class="token punctuation">(</span><span class="token operator">^</span><span class="token punctuation">)</span><span class="token punctuation">(</span>NSArray <span class="token operator">*</span> _Nullable<span class="token punctuation">)</span><span class="token punctuation">)</span>restorationHandler
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<span class="token punctuation">{</span>
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<span class="token keyword">return</span> <span class="token punctuation">[</span>RCTLinkingManager application<span class="token punctuation">:</span>application
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continueUserActivity<span class="token punctuation">:</span>userActivity
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restorationHandler<span class="token punctuation">:</span>restorationHandler<span class="token punctuation">]</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span></div><p>And then on your React component you'll be able to listen to the events on
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<code>Linking</code> as follows</p><div class="prism language-javascript"><span class="token function">componentDidMount<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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Linking<span class="token punctuation">.</span><span class="token function">addEventListener<span class="token punctuation">(</span></span><span class="token string">'url'</span><span class="token punctuation">,</span> <span class="token keyword">this</span><span class="token punctuation">.</span>_handleOpenURL<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span><span class="token punctuation">,</span>
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<span class="token function">componentWillUnmount<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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Linking<span class="token punctuation">.</span><span class="token function">removeEventListener<span class="token punctuation">(</span></span><span class="token string">'url'</span><span class="token punctuation">,</span> <span class="token keyword">this</span><span class="token punctuation">.</span>_handleOpenURL<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span><span class="token punctuation">,</span>
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<span class="token function">_handleOpenURL<span class="token punctuation">(</span></span>event<span class="token punctuation">)</span> <span class="token punctuation">{</span>
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console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span>event<span class="token punctuation">.</span>url<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span></div><h4><a class="anchor" name="opening-external-links"></a>Opening external links <a class="hash-link" href="docs/linking.html#opening-external-links">#</a></h4><p>To start the corresponding activity for a link (web URL, email, contact etc.), call</p><div class="prism language-javascript">Linking<span class="token punctuation">.</span><span class="token function">openURL<span class="token punctuation">(</span></span>url<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token keyword">catch</span><span class="token punctuation">(</span>err <span class="token operator">=</span><span class="token operator">></span> console<span class="token punctuation">.</span><span class="token function">error<span class="token punctuation">(</span></span><span class="token string">'An error occurred'</span><span class="token punctuation">,</span> err<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span></div><p>If you want to check if any installed app can handle a given URL beforehand you can call</p><div class="prism language-javascript">Linking<span class="token punctuation">.</span><span class="token function">canOpenURL<span class="token punctuation">(</span></span>url<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">then<span class="token punctuation">(</span></span>supported <span class="token operator">=</span><span class="token operator">></span> <span class="token punctuation">{</span>
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<span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span>supported<span class="token punctuation">)</span> <span class="token punctuation">{</span>
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console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">'Can\'t handle url: '</span> <span class="token operator">+</span> url<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> Linking<span class="token punctuation">.</span><span class="token function">openURL<span class="token punctuation">(</span></span>url<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token keyword">catch</span><span class="token punctuation">(</span>err <span class="token operator">=</span><span class="token operator">></span> console<span class="token punctuation">.</span><span class="token function">error<span class="token punctuation">(</span></span><span class="token string">'An error occurred'</span><span class="token punctuation">,</span> err<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span></div></div><span><h3><a class="anchor" name="methods"></a>Methods <a class="hash-link" href="docs/linking.html#methods">#</a></h3><div class="props"><div class="prop"><h4 class="methodTitle"><a class="anchor" name="constructor"></a>constructor<span class="methodType">()</span> <a class="hash-link" href="docs/linking.html#constructor">#</a></h4></div><div class="prop"><h4 class="methodTitle"><a class="anchor" name="addeventlistener"></a>addEventListener<span class="methodType">(type, handler)</span> <a class="hash-link" href="docs/linking.html#addeventlistener">#</a></h4><div><p>Add a handler to Linking changes by listening to the <code>url</code> event type
|
||
and providing the handler</p></div></div><div class="prop"><h4 class="methodTitle"><a class="anchor" name="removeeventlistener"></a>removeEventListener<span class="methodType">(type, handler)</span> <a class="hash-link" href="docs/linking.html#removeeventlistener">#</a></h4><div><p>Remove a handler by passing the <code>url</code> event type and the handler</p></div></div><div class="prop"><h4 class="methodTitle"><a class="anchor" name="openurl"></a>openURL<span class="methodType">(url)</span> <a class="hash-link" href="docs/linking.html#openurl">#</a></h4><div><p>Try to open the given <code>url</code> with any of the installed apps.</p><p>You can use other URLs, like a location (e.g. "geo:37.484847,-122.148386" on Android
|
||
or "<a href="http://maps.apple.com/?ll=37.484847,-122.148386">http://maps.apple.com/?ll=37.484847,-122.148386</a>" on iOS), a contact,
|
||
or any other URL that can be opened with the installed apps.</p><p>NOTE: This method will fail if the system doesn't know how to open the specified URL.
|
||
If you're passing in a non-http(s) URL, it's best to check {@code canOpenURL} first.</p><p>NOTE: For web URLs, the protocol ("http://", "https://") must be set accordingly!</p></div></div><div class="prop"><h4 class="methodTitle"><a class="anchor" name="canopenurl"></a>canOpenURL<span class="methodType">(url)</span> <a class="hash-link" href="docs/linking.html#canopenurl">#</a></h4><div><p>Determine whether or not an installed app can handle a given URL.</p><p>NOTE: For web URLs, the protocol ("http://", "https://") must be set accordingly!</p><p>NOTE: As of iOS 9, your app needs to provide the <code>LSApplicationQueriesSchemes</code> key
|
||
inside <code>Info.plist</code> or canOpenURL will always return false.</p><p>@param URL the URL to open</p></div></div><div class="prop"><h4 class="methodTitle"><a class="anchor" name="getinitialurl"></a>getInitialURL<span class="methodType">()</span> <a class="hash-link" href="docs/linking.html#getinitialurl">#</a></h4><div><p>If the app launch was triggered by an app link,
|
||
it will give the link url, otherwise it will give <code>null</code></p><p>NOTE: To support deep linking on Android, refer <a href="http://developer.android.com/training/app-indexing/deep-linking.html#handling-intents">http://developer.android.com/training/app-indexing/deep-linking.html#handling-intents</a></p></div></div></div></span></div><p class="edit-page-block">You can <a target="_blank" href="https://github.com/facebook/react-native/blob/master/Libraries/Linking/Linking.js">edit the content above on GitHub</a> and send us a pull request!</p><div><div><table width="100%"><tbody><tr><td><h3><a class="anchor" name="examples"></a>Examples <a class="hash-link" href="docs/linking.html#examples">#</a></h3></td><td style="text-align:right;"><a target="_blank" href="https://github.com/facebook/react-native/blob/master/Examples/UIExplorer/js/LinkingExample.js">Edit on GitHub</a></td></tr></tbody></table><div class="example-container"><div class="prism language-javascript"><span class="token string">'use strict'</span><span class="token punctuation">;</span>
|
||
|
||
<span class="token keyword">var</span> React <span class="token operator">=</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">'react'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">var</span> ReactNative <span class="token operator">=</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">'react-native'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token keyword">var</span> <span class="token punctuation">{</span>
|
||
Linking<span class="token punctuation">,</span>
|
||
StyleSheet<span class="token punctuation">,</span>
|
||
Text<span class="token punctuation">,</span>
|
||
TouchableOpacity<span class="token punctuation">,</span>
|
||
View<span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span> <span class="token operator">=</span> ReactNative<span class="token punctuation">;</span>
|
||
<span class="token keyword">var</span> UIExplorerBlock <span class="token operator">=</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">'./UIExplorerBlock'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
|
||
class <span class="token class-name">OpenURLButton</span> extends <span class="token class-name">React<span class="token punctuation">.</span>Component</span> <span class="token punctuation">{</span>
|
||
static propTypes <span class="token operator">=</span> <span class="token punctuation">{</span>
|
||
url<span class="token punctuation">:</span> React<span class="token punctuation">.</span>PropTypes<span class="token punctuation">.</span>string<span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">;</span>
|
||
|
||
handleClick <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token punctuation">{</span>
|
||
Linking<span class="token punctuation">.</span><span class="token function">canOpenURL<span class="token punctuation">(</span></span><span class="token keyword">this</span><span class="token punctuation">.</span>props<span class="token punctuation">.</span>url<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">then<span class="token punctuation">(</span></span>supported <span class="token operator">=</span><span class="token operator">></span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">if</span> <span class="token punctuation">(</span>supported<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
Linking<span class="token punctuation">.</span><span class="token function">openURL<span class="token punctuation">(</span></span><span class="token keyword">this</span><span class="token punctuation">.</span>props<span class="token punctuation">.</span>url<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">'Don\'t know how to open URI: '</span> <span class="token operator">+</span> <span class="token keyword">this</span><span class="token punctuation">.</span>props<span class="token punctuation">.</span>url<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">;</span>
|
||
|
||
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <span class="token punctuation">(</span>
|
||
<TouchableOpacity
|
||
onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>handleClick<span class="token punctuation">}</span><span class="token operator">></span>
|
||
<View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>button<span class="token punctuation">}</span><span class="token operator">></span>
|
||
<Text style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>text<span class="token punctuation">}</span><span class="token operator">></span>Open <span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>props<span class="token punctuation">.</span>url<span class="token punctuation">}</span><<span class="token operator">/</span>Text<span class="token operator">></span>
|
||
<<span class="token operator">/</span>View<span class="token operator">></span>
|
||
<<span class="token operator">/</span>TouchableOpacity<span class="token operator">></span>
|
||
<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
class <span class="token class-name">IntentAndroidExample</span> extends <span class="token class-name">React<span class="token punctuation">.</span>Component</span> <span class="token punctuation">{</span>
|
||
static title <span class="token operator">=</span> <span class="token string">'Linking'</span><span class="token punctuation">;</span>
|
||
static description <span class="token operator">=</span> <span class="token string">'Shows how to use Linking to open URLs.'</span><span class="token punctuation">;</span>
|
||
|
||
<span class="token function">render<span class="token punctuation">(</span></span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
||
<span class="token keyword">return</span> <span class="token punctuation">(</span>
|
||
<UIExplorerBlock title<span class="token operator">=</span><span class="token string">"Open external URLs"</span><span class="token operator">></span>
|
||
<OpenURLButton url<span class="token operator">=</span><span class="token punctuation">{</span><span class="token string">'https://www.facebook.com'</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">></span>
|
||
<OpenURLButton url<span class="token operator">=</span><span class="token punctuation">{</span><span class="token string">'http://www.facebook.com'</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">></span>
|
||
<OpenURLButton url<span class="token operator">=</span><span class="token punctuation">{</span><span class="token string">'http://facebook.com'</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">></span>
|
||
<OpenURLButton url<span class="token operator">=</span><span class="token punctuation">{</span><span class="token string">'fb://notifications'</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">></span>
|
||
<OpenURLButton url<span class="token operator">=</span><span class="token punctuation">{</span><span class="token string">'geo:37.484847,-122.148386'</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">></span>
|
||
<OpenURLButton url<span class="token operator">=</span><span class="token punctuation">{</span><span class="token string">'tel:9876543210'</span><span class="token punctuation">}</span> <span class="token operator">/</span><span class="token operator">></span>
|
||
<<span class="token operator">/</span>UIExplorerBlock<span class="token operator">></span>
|
||
<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span>
|
||
<span class="token punctuation">}</span>
|
||
|
||
<span class="token keyword">var</span> styles <span class="token operator">=</span> StyleSheet<span class="token punctuation">.</span><span class="token function">create<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
|
||
container<span class="token punctuation">:</span> <span class="token punctuation">{</span>
|
||
flex<span class="token punctuation">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
|
||
backgroundColor<span class="token punctuation">:</span> <span class="token string">'white'</span><span class="token punctuation">,</span>
|
||
padding<span class="token punctuation">:</span> <span class="token number">10</span><span class="token punctuation">,</span>
|
||
paddingTop<span class="token punctuation">:</span> <span class="token number">30</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
button<span class="token punctuation">:</span> <span class="token punctuation">{</span>
|
||
padding<span class="token punctuation">:</span> <span class="token number">10</span><span class="token punctuation">,</span>
|
||
backgroundColor<span class="token punctuation">:</span> <span class="token string">'#3B5998'</span><span class="token punctuation">,</span>
|
||
marginBottom<span class="token punctuation">:</span> <span class="token number">10</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
text<span class="token punctuation">:</span> <span class="token punctuation">{</span>
|
||
color<span class="token punctuation">:</span> <span class="token string">'white'</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
|
||
module<span class="token punctuation">.</span>exports <span class="token operator">=</span> IntentAndroidExample<span class="token punctuation">;</span></div><div class="embedded-simulator"><p><a class="modal-button-open"><strong>Run this example</strong></a></p><div class="modal-button-open modal-button-open-img"><img alt="Run example in simulator" width="170" height="356" src="img/uiexplorer_main_ios.png"></div><div><div class="modal"><div class="modal-content"><button class="modal-button-close">×</button><div class="center"><iframe class="simulator" src="https://appetize.io/embed/7vdfm9h3e6vuf4gfdm7r5rgc48?device=iphone6s&scale=60&autoplay=false&orientation=portrait&deviceColor=white&params=%7B%22route%22%3A%22Linking%22%7D" width="256" height="550" scrolling="no"></iframe><p>Powered by <a target="_blank" href="https://appetize.io">appetize.io</a></p></div></div></div><div class="modal-backdrop"></div></div></div></div></div></div><div class="docs-prevnext"><a class="docs-prev" href="docs/layoutanimation.html#content">← Prev</a><a class="docs-next" href="docs/nativemethodsmixin.html#content">Next →</a></div></div></section><footer class="nav-footer"><section class="sitemap"><a href="/react-native" class="nav-home"><img src="img/header_logo.png" alt="React Native" width="66" height="58"></a><div><h5><a href="docs/">Docs</a></h5><a href="docs/getting-started.html">Getting Started</a><a href="docs/tutorial.html">Tutorial</a><a href="docs/integration-with-existing-apps.html">Integration With Existing Apps</a><a href="docs/more-resources.html">More Resources</a></div><div><h5><a href="/react-native/support.html">Community</a></h5><a href="/react-native/showcase.html">Showcase</a><a href="http://www.meetup.com/topics/react-native/" target="_blank">Upcoming Events</a><a href="https://www.facebook.com/groups/react.native.community" target="_blank">Facebook Group</a><a href="https://twitter.com/reactnative" target="_blank">Twitter</a></div><div><h5><a href="/react-native/support.html">Help</a></h5><a href="http://stackoverflow.com/questions/tagged/react-native" target="_blank">Stack Overflow</a><a href="https://discord.gg/0ZcbPKXt5bZjGY5n">Reactiflux Chat</a><a href="/react-native/versions.html" target="_blank">Latest Releases</a><a href="https://react-native.canny.io/feature-requests" target="_blank">Feature Requests</a></div><div><h5>More</h5><a href="/react-native/blog">Blog</a><a href="https://github.com/facebook/react-native" target="_blank">GitHub</a><a href="http://facebook.github.io/react/" target="_blank">React</a></div></section><section class="newsletter"><div id="mc_embed_signup"><form action="//reactnative.us10.list-manage.com/subscribe/post?u=db0dd948e2b729ee62625b1a8&id=47cd41008f" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" target="_blank" novalidate><div id="mc_embed_signup_scroll"><label for="mce-EMAIL"><h5>Get the React Native Newsletter</h5></label><input type="email" value="" name="EMAIL" class="email" id="mce-EMAIL" placeholder="email address" required><div style="position:absolute;left:-5000px;" aria-hidden="true"><input type="text" name="b_db0dd948e2b729ee62625b1a8_47cd41008f" tabindex="-1" value=""></div><div class="clear"><input type="submit" value="Sign up" name="subscribe" id="mc-embedded-subscribe" class="button"></div></div></form></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 © 2017 Facebook Inc.</section></footer></div><div id="fb-root"></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
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