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<html lang="en"><head><meta charset="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Navigator · React Native</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta property="og:title" content="Navigator · React Native"/><meta property="og:type" content="website"/><meta property="og:url" content="https://facebook.github.io/react-native/index.html"/><meta property="og:description" content="`Navigator` handles the transition between different scenes in your app. It is implemented in JavaScript and is available on both iOS and Android. If you are targeting iOS only, you may also want to consider using `NavigatorIOS` as it leverages native UIKit navigation."/><link rel="shortcut icon" href="/react-native/img/favicon.png"/><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://facebook.github.io/blog/atom.xml" title="React Native Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://facebook.github.io/blog/feed.xml" title="React Native Blog RSS Feed"/><script type="text/javascript" src="https://snack.expo.io/embed.js"></script><script type="text/javascript" src="/react-native/js/codeblocks.js"></script><link rel="stylesheet" href="/react-native/css/main.css"/></head><body class="sideNavVisible"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/react-native/"><img class="logo" src="/react-native/img/header_logo.png"/><h2 class="headerTitle">React Native</h2></a><a href="/react-native/versions.html"><h3>0.21</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li><a href="/react-native/docs/0.21/getting-started.html" target="_self">Docs</a></li><li><a href="/react-native/en/help.html" target="_self">Community</a></li><li><a href="/react-native/blog" target="_self">Blog</a></li><li class="navSearchWrapper reactNavSearchWrapper"><input type="text" id="search_input_react" placeholder="Search"/></li><li><a href="https://github.com/facebook/react-native" target="_self">GitHub</a></li><li><a href="https://reactjs.org/" target="_self">React</a></li></ul></nav></div></header></div></div><div class="navPusher"><div class="docMainWrapper wrapper"><div class="container docsNavContainer" id="docsNav"><nav class="toc"><div class="toggleNav"><section class="navWrapper wrapper"><div class="navBreadcrumb wrapper"><div class="navToggle" id="navToggler"><i></i></div><h2><i>›</i><span>Components</span></h2></div><div class="navGroups"><div class="navGroup navGroupActive"><h3>The Basics</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/getting-started.html">Getting Started</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/tutorial.html">Learn the Basics</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/props.html">Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/state.html">State</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/style.html">Style</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/height-and-width.html">Height and Width</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/flexbox.html">Layout with Flexbox</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/handling-text-input.html">Handling Text Input</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/handling-touches.html">Handling Touches</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/using-a-scrollview.html">Using a ScrollView</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/using-a-listview.html">Using List Views</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/network.html">Networking</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/more-resources.html">More Resources</a></li></ul></div><div class="navGroup navGroupActive"><h3>Guides</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/components-and-apis.html">Components and APIs</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/platform-specific-code.html">Platform Specific Code</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/navigation.html">Navigating Between Screens</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/images.html">Images</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/animations.html">Animations</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/accessibility.html">Accessibility</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/improvingux.html">Improving User Experience</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/timers.html">Timers</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/debugging.html">Debugging</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/performance.html">Performance</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/gesture-responder-system.html">Gesture Responder System</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/javascript-environment.html">JavaScript Environment</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/direct-manipulation.html">Direct Manipulation</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/colors.html">Color Reference</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/integration-with-existing-apps.html">Integration with Existing Apps</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/running-on-device.html">Running On Device</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/upgrading.html">Upgrading to new React Native versions</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/troubleshooting.html">Troubleshooting</a></li></ul></div><div class="navGroup navGroupActive"><h3>Guides (iOS)</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/native-modules-ios.html">Native Modules</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/native-components-ios.html">Native UI Components</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/linking-libraries-ios.html">Linking Libraries</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/running-on-simulator-ios.html">Running On Simulator</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/communication-ios.html">Communication between native and React Native</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/building-for-apple-tv.html">Building For TV Devices</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/app-extensions.html">App Extensions</a></li></ul></div><div class="navGroup navGroupActive"><h3>Guides (Android)</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/native-modules-android.html">Native Modules</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/native-components-android.html">Native UI Components</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/headless-js-android.html">Headless JS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/signed-apk-android.html">Generating Signed APK</a></li></ul></div><div class="navGroup navGroupActive"><h3>Contributing</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/contributing.html">How to Contribute</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/maintainers.html">What to Expect from Maintainers</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/building-from-source.html">Building React Native from source</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/testing.html">Testing your Changes</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/understanding-cli.html">Understanding the CLI</a></li></ul></div><div class="navGroup navGroupActive"><h3>Components</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/datepickerios.html">DatePickerIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/drawerlayoutandroid.html">DrawerLayoutAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/image.html">Image</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/modal.html">Modal</a></li><li class="navListItem navListItemActive"><a class="navItem navItemActive" href="/react-native/docs/0.21/navigator.html">Navigator (Legacy Custom Component)</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/navigatorios.html">NavigatorIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/picker.html">Picker</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/progressbarandroid.html">ProgressBarAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/progressviewios.html">ProgressViewIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/refreshcontrol.html">RefreshControl</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/scrollview.html">ScrollView</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/segmentedcontrolios.html">SegmentedControlIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/snapshotviewios.html">SnapshotViewIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/statusbar.html">StatusBar</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/switch.html">Switch</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/tabbarios.html">TabBarIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/tabbarios-item.html">TabBarIOS.Item</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/text.html">Text</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/textinput.html">TextInput</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/toolbarandroid.html">ToolbarAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/touchablehighlight.html">TouchableHighlight</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/touchablenativefeedback.html">TouchableNativeFeedback</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/touchableopacity.html">TouchableOpacity</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/touchablewithoutfeedback.html">TouchableWithoutFeedback</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/viewpagerandroid.html">ViewPagerAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/webview.html">WebView</a></li></ul></div><div class="navGroup navGroupActive"><h3>APIs</h3><ul><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/actionsheetios.html">ActionSheetIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/animated.html">Animated</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/appstate.html">AppState</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/asyncstorage.html">AsyncStorage</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/cameraroll.html">CameraRoll</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/clipboard.html">Clipboard</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/datepickerandroid.html">DatePickerAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/dimensions.html">Dimensions</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/easing.html">Easing</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/geolocation.html">Geolocation</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/imageeditor.html">ImageEditor</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/imagepickerios.html">ImagePickerIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/imagestore.html">ImageStore</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/image-style-props.html">Image Style Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/interactionmanager.html">InteractionManager</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/layout-props.html">Layout Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/layoutanimation.html">LayoutAnimation</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/linking.html">Linking</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/netinfo.html">NetInfo</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/pixelratio.html">PixelRatio</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/pushnotificationios.html">PushNotificationIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/settings.html">Settings</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/shadow-props.html">Shadow Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/statusbarios.html">StatusBarIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/stylesheet.html">StyleSheet</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/text-style-props.html">Text Style Props</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/timepickerandroid.html">TimePickerAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/toastandroid.html">ToastAndroid</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/transforms.html">Transforms</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/vibrationios.html">VibrationIOS</a></li><li class="navListItem"><a class="navItem" href="/react-native/docs/0.21/view-style-props.html">View Style Props</a></li></ul></div></div></section></div><script>
var toggler = document.getElementById('navToggler');
var nav = document.getElementById('docsNav');
toggler.onclick = function() {
nav.classList.toggle('docsSliderActive');
};
</script></nav></div><div class="container mainContainer"><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/navigator.md" target="_blank">Edit</a><h1>Navigator</h1></header><article><div><span><p><code>Navigator</code> handles the transition between different scenes in your app. It is implemented in JavaScript and is available on both iOS and Android. If you are targeting iOS only, you may also want to consider using <code>NavigatorIOS</code> as it leverages native UIKit navigation.</p>
<p>To set up the <code>Navigator</code> you provide one or more objects called routes, to identify each scene. You also provide a <code>renderScene</code> function that renders the scene for each route object.</p>
<pre><code class="hljs css javascript"><span class="hljs-keyword">import</span> React, {Component} <span class="hljs-keyword">from</span> <span class="hljs-string">'react'</span>;
<span class="hljs-keyword">import</span> {Text, Navigator, TouchableHighlight} <span class="hljs-keyword">from</span> <span class="hljs-string">'react-native'</span>;
<span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">NavAllDay</span> <span class="hljs-keyword">extends</span> <span class="hljs-title">Component</span> </span>{
render() {
<span class="hljs-keyword">return</span> (
<span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">Navigator</span>
<span class="hljs-attr">initialRoute</span>=<span class="hljs-string">{{title:</span> '<span class="hljs-attr">Awesome</span> <span class="hljs-attr">Scene</span>', <span class="hljs-attr">index:</span> <span class="hljs-attr">0</span>}}
<span class="hljs-attr">renderScene</span>=<span class="hljs-string">{(route,</span> <span class="hljs-attr">navigator</span>) =&gt;</span> <span class="hljs-tag">&lt;<span class="hljs-name">Text</span>&gt;</span>Hello {route.title}!<span class="hljs-tag">&lt;/<span class="hljs-name">Text</span>&gt;</span>}
style={{padding: 100}}
/&gt;
);
}
}
</span></code></pre>
<p>In the above example, <code>initialRoute</code> is used to specify the first route. It contains a title property that identifies the route. The <code>renderScene</code> prop returns a function that displays text based on the route's title.</p>
<h2><a class="anchor" aria-hidden="true" name="additional-scenes"></a><a href="#additional-scenes" aria-hidden="true" class="hash-link" ><svg 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>Additional Scenes</h2>
<p>The first example demonstrated one scene. To set up multiple scenes, you pass the <code>initialRouteStack</code> prop to <code>Navigator</code>:</p>
<pre><code class="hljs css javascript">render() {
<span class="hljs-keyword">const</span> routes = [
{<span class="hljs-attr">title</span>: <span class="hljs-string">'First Scene'</span>, <span class="hljs-attr">index</span>: <span class="hljs-number">0</span>},
{<span class="hljs-attr">title</span>: <span class="hljs-string">'Second Scene'</span>, <span class="hljs-attr">index</span>: <span class="hljs-number">1</span>},
];
<span class="hljs-keyword">return</span> (
<span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">Navigator</span>
<span class="hljs-attr">initialRoute</span>=<span class="hljs-string">{routes[0]}</span>
<span class="hljs-attr">initialRouteStack</span>=<span class="hljs-string">{routes}</span>
<span class="hljs-attr">renderScene</span>=<span class="hljs-string">{(route,</span> <span class="hljs-attr">navigator</span>) =&gt;</span>
<span class="hljs-tag">&lt;<span class="hljs-name">TouchableHighlight</span> <span class="hljs-attr">onPress</span>=<span class="hljs-string">{()</span> =&gt;</span> {
if (route.index === 0) {
navigator.push(routes[1]);
} else {
navigator.pop();
}
}}&gt;
<span class="hljs-tag">&lt;<span class="hljs-name">Text</span>&gt;</span>Hello {route.title}!<span class="hljs-tag">&lt;/<span class="hljs-name">Text</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">TouchableHighlight</span>&gt;</span>
}
style={{padding: 100}}
/&gt;
);
}
</span></code></pre>
<p>In the above example, a routes variable is defined with two route objects representing two scenes. Each route has an index property that is used to manage the scene being rendered. The <code>renderScene</code> method is changed to either push or pop the navigator depending on the current route's index. Finally, the <code>Text</code> component in the scene is now wrapped in a <code>TouchableHighlight</code> component to help trigger the navigator transitions.</p>
<h2><a class="anchor" aria-hidden="true" name="navigation-bar"></a><a href="#navigation-bar" aria-hidden="true" class="hash-link" ><svg 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>Navigation Bar</h2>
<p>You can optionally pass in your own navigation bar by returning a <code>Navigator.NavigationBar</code> component to the <code>navigationBar</code> prop in <code>Navigator</code>. You can configure the navigation bar properties, through the <code>routeMapper</code> prop. There you set up the left, right, and title properties of the navigation bar:</p>
<pre><code class="hljs">&lt;Navigator
renderScene={(route, navigator) =&gt;
<span class="hljs-comment">// ...</span>
}
navigationBar={
&lt;Navigator.NavigationBar
routeMapper={{
<span class="hljs-attr">LeftButton</span>: <span class="hljs-function">(<span class="hljs-params">route, navigator, index, navState</span>) =&gt;</span>
{ <span class="hljs-keyword">return</span> (<span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">Text</span>&gt;</span>Cancel<span class="hljs-tag">&lt;/<span class="hljs-name">Text</span>&gt;</span></span>); },
<span class="hljs-attr">RightButton</span>: <span class="hljs-function">(<span class="hljs-params">route, navigator, index, navState</span>) =&gt;</span>
{ <span class="hljs-keyword">return</span> (<span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">Text</span>&gt;</span>Done<span class="hljs-tag">&lt;/<span class="hljs-name">Text</span>&gt;</span></span>); },
<span class="hljs-attr">Title</span>: <span class="hljs-function">(<span class="hljs-params">route, navigator, index, navState</span>) =&gt;</span>
{ <span class="hljs-keyword">return</span> (<span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">Text</span>&gt;</span>Awesome Nav Bar<span class="hljs-tag">&lt;/<span class="hljs-name">Text</span>&gt;</span></span>); },
}}
style={{<span class="hljs-attr">backgroundColor</span>: <span class="hljs-string">'gray'</span>}}
/&gt;
}
/&gt;
</code></pre>
<p>When configuring the left, right, and title items for the navigation bar, you have access to info such as the current route object and navigation state. This allows you to customize the title for each scene as well as the buttons. For example, you can choose to hide the left button for one of the scenes.</p>
<p>Typically you want buttons to represent the left and right buttons. Building on the previous example, you can set this up as follows:</p>
<pre><code class="hljs">LeftButton: <span class="hljs-function">(<span class="hljs-params">route, navigator, index, navState</span>) =&gt;</span>
{
<span class="hljs-keyword">if</span> (route.index === <span class="hljs-number">0</span>) {
<span class="hljs-keyword">return</span> <span class="hljs-literal">null</span>;
} <span class="hljs-keyword">else</span> {
<span class="hljs-keyword">return</span> (
<span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">TouchableHighlight</span> <span class="hljs-attr">onPress</span>=<span class="hljs-string">{()</span> =&gt;</span> navigator.pop()}&gt;
<span class="hljs-tag">&lt;<span class="hljs-name">Text</span>&gt;</span>Back<span class="hljs-tag">&lt;/<span class="hljs-name">Text</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">TouchableHighlight</span>&gt;</span></span>
);
}
},
</code></pre>
<p>This sets up a left navigator bar button that's visible on scenes after the the first one. When the button is tapped the navigator is popped.</p>
<p>Another type of navigation bar, with breadcrumbs, is provided by <code>Navigator.BreadcrumbNavigationBar</code>. You can also provide your own navigation bar by passing it through the <code>navigationBar</code> prop.</p>
<h2><a class="anchor" aria-hidden="true" name="scene-transitions"></a><a href="#scene-transitions" aria-hidden="true" class="hash-link" ><svg 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>Scene Transitions</h2>
<p>To change the animation or gesture properties of the scene, provide a <code>configureScene</code> prop to get the config object for a given route:</p>
<pre><code class="hljs">&lt;Navigator
renderScene={<span class="hljs-function">(<span class="hljs-params">route, navigator</span>) =&gt;</span>
<span class="hljs-comment">// ...</span>
}
configureScene={<span class="hljs-function">(<span class="hljs-params">route, routeStack</span>) =&gt;</span>
Navigator.SceneConfigs.FloatFromBottom}
/&gt;
</code></pre>
<p>In the above example, the newly pushed scene will float up from the bottom. See <code>Navigator.SceneConfigs</code> for default animations and more info on available <a href="/react-native/docs/0.21/navigator.html#configurescene">scene config options</a>.</p>
<h3><a class="anchor" aria-hidden="true" name="props"></a><a href="#props" aria-hidden="true" class="hash-link" ><svg 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>Props</h3>
<ul>
<li><a href="/react-native/docs/0.21/navigator.html#configurescene"><code>configureScene</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#initialroute"><code>initialRoute</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#initialroutestack"><code>initialRouteStack</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#navigationbar"><code>navigationBar</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#navigator"><code>navigator</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#ondidfocus"><code>onDidFocus</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#onwillfocus"><code>onWillFocus</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#renderscene"><code>renderScene</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#scenestyle"><code>sceneStyle</code></a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" name="methods"></a><a href="#methods" aria-hidden="true" class="hash-link" ><svg 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</h3>
<ul>
<li><a href="/react-native/docs/0.21/navigator.html#immediatelyresetroutestack"><code>immediatelyResetRouteStack</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#jumpto"><code>jumpTo</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#jumpforward"><code>jumpForward</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#jumpback"><code>jumpBack</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#push"><code>push</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#popn"><code>popN</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#pop"><code>pop</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#replaceatindex"><code>replaceAtIndex</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#replace"><code>replace</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#replaceprevious"><code>replacePrevious</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#poptotop"><code>popToTop</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#poptoroute"><code>popToRoute</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#replacepreviousandpop"><code>replacePreviousAndPop</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#resetto"><code>resetTo</code></a></li>
<li><a href="/react-native/docs/0.21/navigator.html#getcurrentroutes"><code>getCurrentRoutes</code></a></li>
</ul>
<hr>
<h1><a class="anchor" aria-hidden="true" name="reference"></a><a href="#reference" aria-hidden="true" class="hash-link" ><svg 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" name="props"></a><a href="#props" aria-hidden="true" class="hash-link" ><svg 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>Props</h2>
<h3><a class="anchor" aria-hidden="true" name="configurescene"></a><a href="#configurescene" aria-hidden="true" class="hash-link" ><svg 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>configureScene</code></h3>
<p>Optional function where you can configure scene animations and gestures. Will be invoked with <code>route</code> and <code>routeStack</code> parameters, where route corresponds to the current scene being rendered by the <code>Navigator</code> and <code>routeStack</code> is the set of currently mounted routes that the navigator could transition to.</p>
<p>The function should return a scene configuration object.</p>
<pre><code class="hljs css javascript">(route, routeStack) =&gt; Navigator.SceneConfigs.FloatFromRight;
</code></pre>
<p>Available scene configuration options are:</p>
<ul>
<li>Navigator.SceneConfigs.PushFromRight (default)</li>
<li>Navigator.SceneConfigs.FloatFromRight</li>
<li>Navigator.SceneConfigs.FloatFromLeft</li>
<li>Navigator.SceneConfigs.FloatFromBottom</li>
<li>Navigator.SceneConfigs.FloatFromBottomAndroid</li>
<li>Navigator.SceneConfigs.FadeAndroid</li>
<li>Navigator.SceneConfigs.SwipeFromLeft</li>
<li>Navigator.SceneConfigs.HorizontalSwipeJump</li>
<li>Navigator.SceneConfigs.HorizontalSwipeJumpFromRight</li>
<li>Navigator.SceneConfigs.HorizontalSwipeJumpFromLeft</li>
<li>Navigator.SceneConfigs.VerticalUpSwipeJump</li>
<li>Navigator.SceneConfigs.VerticalDownSwipeJump</li>
</ul>
<table>
<thead>
<tr><th>Type</th><th>Required</th></tr>
</thead>
<tbody>
<tr><td>function</td><td>No</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="initialroute"></a><a href="#initialroute" aria-hidden="true" class="hash-link" ><svg 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>initialRoute</code></h3>
<p>The initial route for navigation. A route is an object that the navigator will use to identify each scene it renders.</p>
<p>If both <code>initialRoute</code> and <code>initialRouteStack</code> props are passed to <code>Navigator</code>, then <code>initialRoute</code> must be in a route in <code>initialRouteStack</code>. If <code>initialRouteStack</code> is passed as a prop but <code>initialRoute</code> is not, then <code>initialRoute</code> will default internally to the last item in <code>initialRouteStack</code>.</p>
<table>
<thead>
<tr><th>Type</th><th>Required</th></tr>
</thead>
<tbody>
<tr><td>object</td><td>No</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="initialroutestack"></a><a href="#initialroutestack" aria-hidden="true" class="hash-link" ><svg 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>initialRouteStack</code></h3>
<p>Pass this in to provide a set of routes to initially mount. This prop is required if <code>initialRoute</code> is not provided to the navigator. If this prop is not passed in, it will default internally to an array containing only <code>initialRoute</code>.</p>
<table>
<thead>
<tr><th>Type</th><th>Required</th></tr>
</thead>
<tbody>
<tr><td>[object]</td><td>No</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="navigationbar"></a><a href="#navigationbar" aria-hidden="true" class="hash-link" ><svg 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>navigationBar</code></h3>
<p>Use this to provide an optional component representing a navigation bar that is persisted across scene transitions. This component will receive two props: navigator and navState representing the navigator component and its state. The component is re-rendered when the route changes.</p>
<table>
<thead>
<tr><th>Type</th><th>Required</th></tr>
</thead>
<tbody>
<tr><td>node</td><td>No</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="navigator"></a><a href="#navigator" aria-hidden="true" class="hash-link" ><svg 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>navigator</code></h3>
<p>Optionally pass in the navigator object from a parent Navigator.</p>
<table>
<thead>
<tr><th>Type</th><th>Required</th></tr>
</thead>
<tbody>
<tr><td>object</td><td>No</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="ondidfocus"></a><a href="#ondidfocus" aria-hidden="true" class="hash-link" ><svg 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>onDidFocus</code></h3>
<p>Will be called with the new route of each scene after the transition is complete or after the initial mounting.</p>
<table>
<thead>
<tr><th>Type</th><th>Required</th></tr>
</thead>
<tbody>
<tr><td>function</td><td>No</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="onwillfocus"></a><a href="#onwillfocus" aria-hidden="true" class="hash-link" ><svg 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>onWillFocus</code></h3>
<p>Pass in a function to get notified with the target route when the navigator component is mounted and before each navigator transition.</p>
<table>
<thead>
<tr><th>Type</th><th>Required</th></tr>
</thead>
<tbody>
<tr><td>function</td><td>No</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="renderscene"></a><a href="#renderscene" aria-hidden="true" class="hash-link" ><svg 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>renderScene</code></h3>
<p>Required function which renders the scene for a given route. Will be invoked with the route and the navigator object.</p>
<pre><code class="hljs css javascript">(route, navigator) =&gt; (
<span class="xml"><span class="hljs-tag">&lt;<span class="hljs-name">MySceneComponent</span> <span class="hljs-attr">title</span>=<span class="hljs-string">{route.title}</span> <span class="hljs-attr">navigator</span>=<span class="hljs-string">{navigator}</span> /&gt;</span>
);
</span></code></pre>
<table>
<thead>
<tr><th>Type</th><th>Required</th></tr>
</thead>
<tbody>
<tr><td>function</td><td>Yes</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="scenestyle"></a><a href="#scenestyle" aria-hidden="true" class="hash-link" ><svg 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>sceneStyle</code></h3>
<p>Styles to apply to the container of each scene.</p>
<table>
<thead>
<tr><th>Type</th><th>Required</th></tr>
</thead>
<tbody>
<tr><td><a href="/react-native/docs/0.21/style.html">style</a></td><td>No</td></tr>
</tbody>
</table>
<h2><a class="anchor" aria-hidden="true" name="methods"></a><a href="#methods" aria-hidden="true" class="hash-link" ><svg 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>
<hr>
<h3><a class="anchor" aria-hidden="true" name="immediatelyresetroutestack"></a><a href="#immediatelyresetroutestack" aria-hidden="true" class="hash-link" ><svg 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>immediatelyResetRouteStack()</code></h3>
<pre><code class="hljs css javascript">immediatelyResetRouteStack((nextRouteStack: RouteStack));
</code></pre>
<p>Reset every scene with an array of routes. All existing route stacks are destroyed and potentially recreated. There is no accompanying animation and this method immediately replaces and re-renders the navigation bar and the stack items.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>nextRouteStack</td><td>RouteStack</td><td>Yes</td><td>Next route stack to reinitialize.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="jumpto"></a><a href="#jumpto" aria-hidden="true" class="hash-link" ><svg 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>jumpTo()</code></h3>
<pre><code class="hljs css javascript">jumpTo((route: object));
</code></pre>
<p>Transition to an existing scene without unmounting.</p>
<p>The specified route must be in the currently mounted set of routes defined in <code>routeStack</code>.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>route</td><td>object</td><td>Yes No</td><td>Route to transition to.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="jumpforward"></a><a href="#jumpforward" aria-hidden="true" class="hash-link" ><svg 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>jumpForward()</code></h3>
<pre><code class="hljs css javascript">jumpForward();
</code></pre>
<p>Jump forward to the next scene in the route stack.</p>
<hr>
<h3><a class="anchor" aria-hidden="true" name="jumpback"></a><a href="#jumpback" aria-hidden="true" class="hash-link" ><svg 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>jumpBack()</code></h3>
<pre><code class="hljs css javascript">jumpBack();
</code></pre>
<p>Jump backward without unmounting the current scene.</p>
<hr>
<h3><a class="anchor" aria-hidden="true" name="xxxx"></a><a href="#xxxx" aria-hidden="true" class="hash-link" ><svg 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>XXXX()</code></h3>
<pre><code class="hljs css javascript">push((route: object));
</code></pre>
<p>Navigate forward to a new scene, squashing any scenes that you could jump forward to.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>route</td><td>object</td><td>Yes No</td><td>Route to push into the navigator stack.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="pop"></a><a href="#pop" aria-hidden="true" class="hash-link" ><svg 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>pop()</code></h3>
<pre><code class="hljs css javascript">popN((n: number));
</code></pre>
<p>Go back N scenes at once. When N=1, behavior matches pop(). When N is invalid (negative or bigger than current routes count), do nothing.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>n</td><td>number</td><td>Yes</td><td>The number of scenes to pop. Should be an integer.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="pop"></a><a href="#pop" aria-hidden="true" class="hash-link" ><svg 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>pop()</code></h3>
<pre><code class="hljs css javascript">pop();
</code></pre>
<p>Transition back and unmount the current scene.</p>
<hr>
<h3><a class="anchor" aria-hidden="true" name="replaceatindex"></a><a href="#replaceatindex" aria-hidden="true" class="hash-link" ><svg 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>replaceAtIndex()</code></h3>
<pre><code class="hljs css javascript">replaceAtIndex((route: object), (index: number), (cb: <span class="hljs-built_in">Function</span>));
</code></pre>
<p>Replace a scene as specified by an index.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>route</td><td>object</td><td>Yes</td><td>Route representing the new scene to render.</td></tr>
<tr><td>index</td><td>number</td><td>Yes</td><td>The route in the stack that should be replaced. If negative, it counts from the back of the stack.</td></tr>
<tr><td>cb</td><td>function</td><td>Yes</td><td>Callback function when the scene has been replaced.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="replace"></a><a href="#replace" aria-hidden="true" class="hash-link" ><svg 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>replace()</code></h3>
<pre><code class="hljs css javascript">replace((route: object));
</code></pre>
<p>Replace the current scene with a new route.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>route</td><td>object</td><td>Yes No</td><td>Route that replaces the current scene.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="replaceprevious"></a><a href="#replaceprevious" aria-hidden="true" class="hash-link" ><svg 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>replacePrevious()</code></h3>
<pre><code class="hljs css javascript">replacePrevious((route: object));
</code></pre>
<p>Replace the previous scene.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>route</td><td>object</td><td>Yes</td><td>Route that replaces the previous scene.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="poptotop"></a><a href="#poptotop" aria-hidden="true" class="hash-link" ><svg 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>popToTop()</code></h3>
<pre><code class="hljs css javascript">popToTop();
</code></pre>
<p>Pop to the first scene in the stack, unmounting every other scene.</p>
<hr>
<h3><a class="anchor" aria-hidden="true" name="poptoroute"></a><a href="#poptoroute" aria-hidden="true" class="hash-link" ><svg 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>popToRoute()</code></h3>
<pre><code class="hljs css javascript">popToRoute((route: object));
</code></pre>
<p>Pop to a particular scene, as specified by its route. All scenes after it will be unmounted.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>route</td><td>object</td><td>Yes</td><td>Route to pop to.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="replacepreviousandpopxxxx"></a><a href="#replacepreviousandpopxxxx" aria-hidden="true" class="hash-link" ><svg 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>replacePreviousAndPopXXXX()</code></h3>
<pre><code class="hljs css javascript">replacePreviousAndPop((route: object));
</code></pre>
<p>Replace the previous scene and pop to it.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>route</td><td>object</td><td>Yes</td><td>Route that replaces the previous scene.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="resetto"></a><a href="#resetto" aria-hidden="true" class="hash-link" ><svg 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>resetTo()</code></h3>
<pre><code class="hljs css javascript">resetTo((route: object));
</code></pre>
<p>Navigate to a new scene and reset route stack.</p>
<p><strong>Parameters:</strong></p>
<table>
<thead>
<tr><th>Name</th><th>Type</th><th>Required</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>route</td><td>object</td><td>Yes</td><td>Route to navigate to.</td></tr>
</tbody>
</table>
<hr>
<h3><a class="anchor" aria-hidden="true" name="getcurrentroutes"></a><a href="#getcurrentroutes" aria-hidden="true" class="hash-link" ><svg 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>getCurrentRoutes()</code></h3>
<pre><code class="hljs css javascript">getCurrentRoutes();
</code></pre>
<p>Returns the current list of routes.</p>
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