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<!DOCTYPE html><html><head><title>Geolocation</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="Geolocation"><meta property="og:url" content="https://facebook.github.io/react-native/index.html"><meta property="og:image" content="http://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"><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" 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href=""><img src="img/header_logo.png">React Native</a><a class="nav-version" href="/react-native/versions.html">0.34</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="support.html" class="">Support</a></li><li><a href="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:0;" class="" 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href="docs/mapview.html">MapView</a></li><li><a style="margin-left:0;" class="" href="docs/modal.html">Modal</a></li><li><a style="margin-left:0;" class="" href="docs/navigator.html">Navigator</a></li><li><a style="margin-left:0;" class="" href="docs/navigatorios.html">NavigatorIOS</a></li><li><a style="margin-left:0;" class="" href="docs/picker.html">Picker</a></li><li><a style="margin-left:0;" class="" href="docs/pickerios.html">PickerIOS</a></li><li><a style="margin-left:0;" class="" href="docs/progressbarandroid.html">ProgressBarAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/progressviewios.html">ProgressViewIOS</a></li><li><a style="margin-left:0;" class="" href="docs/refreshcontrol.html">RefreshControl</a></li><li><a style="margin-left:0;" class="" href="docs/scrollview.html">ScrollView</a></li><li><a style="margin-left:0;" class="" href="docs/segmentedcontrolios.html">SegmentedControlIOS</a></li><li><a style="margin-left:0;" class="" href="docs/slider.html">Slider</a></li><li><a style="margin-left:0;" class="" href="docs/sliderios.html">SliderIOS</a></li><li><a style="margin-left:0;" class="" href="docs/statusbar.html">StatusBar</a></li><li><a style="margin-left:0;" class="" href="docs/snapshotviewios.html">SnapshotViewIOS</a></li><li><a style="margin-left:0;" class="" href="docs/switch.html">Switch</a></li><li><a style="margin-left:0;" class="" href="docs/switchandroid.html">SwitchAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/switchios.html">SwitchIOS</a></li><li><a style="margin-left:0;" class="" href="docs/tabbarios.html">TabBarIOS</a></li><li><a style="margin-left:0;" class="" href="docs/tabbarios-item.html">TabBarIOS.Item</a></li><li><a style="margin-left:0;" class="" href="docs/text.html">Text</a></li><li><a style="margin-left:0;" class="" href="docs/textinput.html">TextInput</a></li><li><a style="margin-left:0;" class="" href="docs/toolbarandroid.html">ToolbarAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/touchablehighlight.html">TouchableHighlight</a></li><li><a style="margin-left:0;" class="" href="docs/touchablenativefeedback.html">TouchableNativeFeedback</a></li><li><a style="margin-left:0;" class="" href="docs/touchableopacity.html">TouchableOpacity</a></li><li><a style="margin-left:0;" class="" href="docs/touchablewithoutfeedback.html">TouchableWithoutFeedback</a></li><li><a style="margin-left:0;" class="" href="docs/view.html">View</a></li><li><a style="margin-left:0;" class="" href="docs/viewpagerandroid.html">ViewPagerAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/webview.html">WebView</a></li></ul></div><div class="nav-docs-section"><h3>apis</h3><ul><li><a style="margin-left:0;" class="" href="docs/actionsheetios.html">ActionSheetIOS</a></li><li><a style="margin-left:0;" class="" href="docs/adsupportios.html">AdSupportIOS</a></li><li><a style="margin-left:0;" class="" href="docs/alert.html">Alert</a></li><li><a style="margin-left:0;" class="" href="docs/alertios.html">AlertIOS</a></li><li><a style="margin-left:0;" class="" href="docs/animated.html">Animated</a></li><li><a style="margin-left:0;" class="" href="docs/appregistry.html">AppRegistry</a></li><li><a style="margin-left:0;" class="" href="docs/appstate.html">AppState</a></li><li><a style="margin-left:0;" class="" href="docs/asyncstorage.html">AsyncStorage</a></li><li><a style="margin-left:0;" class="" href="docs/backandroid.html">BackAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/cameraroll.html">CameraRoll</a></li><li><a style="margin-left:0;" class="" href="docs/clipboard.html">Clipboard</a></li><li><a style="margin-left:0;" class="" href="docs/datepickerandroid.html">DatePickerAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/dimensions.html">Dimensions</a></li><li><a style="margin-left:0;" class="" href="docs/easing.html">Easing</a></li><li><a style="margin-left:0;" class="active" href="docs/geolocation.html">Geolocation</a></li><li><a style="margin-left:0;" class="" href="docs/imageeditor.html">ImageEditor</a></li><li><a style="margin-left:0;" class="" href="docs/imagepickerios.html">ImagePickerIOS</a></li><li><a style="margin-left:0;" class="" href="docs/imagestore.html">ImageStore</a></li><li><a style="margin-left:0;" class="" href="docs/intentandroid.html">IntentAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/interactionmanager.html">InteractionManager</a></li><li><a style="margin-left:0;" class="" href="docs/layoutanimation.html">LayoutAnimation</a></li><li><a style="margin-left:0;" class="" href="docs/linking.html">Linking</a></li><li><a style="margin-left:0;" class="" href="docs/nativemethodsmixin.html">NativeMethodsMixin</a></li><li><a style="margin-left:0;" class="" href="docs/nativemodules.html">NativeModules</a></li><li><a style="margin-left:0;" class="" href="docs/netinfo.html">NetInfo</a></li><li><a style="margin-left:0;" class="" href="docs/panresponder.html">PanResponder</a></li><li><a style="margin-left:0;" class="" href="docs/permissionsandroid.html">PermissionsAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/pixelratio.html">PixelRatio</a></li><li><a style="margin-left:0;" class="" href="docs/pushnotificationios.html">PushNotificationIOS</a></li><li><a style="margin-left:0;" class="" href="docs/settings.html">Settings</a></li><li><a style="margin-left:0;" class="" href="docs/statusbarios.html">StatusBarIOS</a></li><li><a style="margin-left:0;" class="" href="docs/stylesheet.html">StyleSheet</a></li><li><a style="margin-left:0;" class="" href="docs/systrace.html">Systrace</a></li><li><a style="margin-left:0;" class="" href="docs/timepickerandroid.html">TimePickerAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/toastandroid.html">ToastAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/vibration.html">Vibration</a></li><li><a style="margin-left:0;" class="" href="docs/vibrationios.html">VibrationIOS</a></li><li><a style="margin-left:0;" class="" href="docs/layout-props.html">Layout Props</a></li><li><a style="margin-left:0;" 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="geolocation"></a>Geolocation <a class="hash-link" href="docs/geolocation.html#geolocation">#</a></h1><div><div><p>The Geolocation API follows the web spec:
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<a href="https://developer.mozilla.org/en-US/docs/Web/API/Geolocation">https://developer.mozilla.org/en-US/docs/Web/API/Geolocation</a></p><p>As a browser polyfill, this API is available through the <code>navigator.geolocation</code>
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global - you do not need to <code>import</code> it.</p><h3><a class="anchor" name="ios"></a>iOS <a class="hash-link" href="docs/geolocation.html#ios">#</a></h3><p>You need to include the <code>NSLocationWhenInUseUsageDescription</code> key
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in Info.plist to enable geolocation. Geolocation is enabled by default
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when you create a project with <code>react-native init</code>.</p><h3><a class="anchor" name="android"></a>Android <a class="hash-link" href="docs/geolocation.html#android">#</a></h3><p>To request access to location, you need to add the following line to your
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app's <code>AndroidManifest.xml</code>:</p><p><code><uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /></code></p></div><span><h3><a class="anchor" name="methods"></a>Methods <a class="hash-link" href="docs/geolocation.html#methods">#</a></h3><div class="props"><div class="prop"><h4 class="methodTitle"><a class="anchor" name="getcurrentposition"></a><span class="methodType">static </span>getCurrentPosition<span class="methodType">(geo_success, geo_error?, geo_options?)</span> <a class="hash-link" href="docs/geolocation.html#getcurrentposition">#</a></h4><div><p>Invokes the success callback once with the latest location info. Supported
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options: timeout (ms), maximumAge (ms), enableHighAccuracy (bool)
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On Android, this can return almost immediately if the location is cached or
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request an update, which might take a while.</p></div></div><div class="prop"><h4 class="methodTitle"><a class="anchor" name="watchposition"></a><span class="methodType">static </span>watchPosition<span class="methodType">(success, error?, options?)</span> <a class="hash-link" href="docs/geolocation.html#watchposition">#</a></h4><div><p>Invokes the success callback whenever the location changes. Supported
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options: timeout (ms), maximumAge (ms), enableHighAccuracy (bool), distanceFilter(m)</p></div></div><div class="prop"><h4 class="methodTitle"><a class="anchor" name="clearwatch"></a><span class="methodType">static </span>clearWatch<span class="methodType">(watchID)</span> <a class="hash-link" href="docs/geolocation.html#clearwatch">#</a></h4></div><div class="prop"><h4 class="methodTitle"><a class="anchor" name="stopobserving"></a><span class="methodType">static </span>stopObserving<span class="methodType">(0)</span> <a class="hash-link" href="docs/geolocation.html#stopobserving">#</a></h4></div></div></span></div><p class="edit-page-block">You can <a target="_blank" href="https://github.com/facebook/react-native/blob/master/Libraries/Geolocation/Geolocation.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/geolocation.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/GeolocationExample.js">Edit on GitHub</a></td></tr></tbody></table><div class="example-container"><div class="prism language-javascript"><span class="token comment" spellcheck="true">/* eslint no-console: 0 */</span>
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<span class="token string">'use strict'</span><span class="token punctuation">;</span>
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<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>
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<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>
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<span class="token keyword">var</span> <span class="token punctuation">{</span>
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StyleSheet<span class="token punctuation">,</span>
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Text<span class="token punctuation">,</span>
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View<span class="token punctuation">,</span>
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<span class="token punctuation">}</span> <span class="token operator">=</span> ReactNative<span class="token punctuation">;</span>
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exports<span class="token punctuation">.</span>framework <span class="token operator">=</span> <span class="token string">'React'</span><span class="token punctuation">;</span>
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exports<span class="token punctuation">.</span>title <span class="token operator">=</span> <span class="token string">'Geolocation'</span><span class="token punctuation">;</span>
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exports<span class="token punctuation">.</span>description <span class="token operator">=</span> <span class="token string">'Examples of using the Geolocation API.'</span><span class="token punctuation">;</span>
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exports<span class="token punctuation">.</span>examples <span class="token operator">=</span> <span class="token punctuation">[</span>
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<span class="token punctuation">{</span>
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title<span class="token punctuation">:</span> <span class="token string">'navigator.geolocation'</span><span class="token punctuation">,</span>
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render<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">:</span> ReactElement<any<span class="token operator">></span> <span class="token punctuation">{</span>
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<span class="token keyword">return</span> <GeolocationExample <span class="token operator">/</span><span class="token operator">></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 punctuation">}</span>
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<span class="token punctuation">]</span><span class="token punctuation">;</span>
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class <span class="token class-name">GeolocationExample</span> extends <span class="token class-name">React<span class="token punctuation">.</span>Component</span> <span class="token punctuation">{</span>
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state <span class="token operator">=</span> <span class="token punctuation">{</span>
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initialPosition<span class="token punctuation">:</span> <span class="token string">'unknown'</span><span class="token punctuation">,</span>
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lastPosition<span class="token punctuation">:</span> <span class="token string">'unknown'</span><span class="token punctuation">,</span>
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<span class="token punctuation">}</span><span class="token punctuation">;</span>
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watchID<span class="token punctuation">:</span> <span class="token operator">?</span>number <span class="token operator">=</span> <span class="token keyword">null</span><span class="token punctuation">;</span>
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<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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navigator<span class="token punctuation">.</span>geolocation<span class="token punctuation">.</span><span class="token function">getCurrentPosition<span class="token punctuation">(</span></span>
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<span class="token punctuation">(</span>position<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">var</span> initialPosition <span class="token operator">=</span> JSON<span class="token punctuation">.</span><span class="token function">stringify<span class="token punctuation">(</span></span>position<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setState<span class="token punctuation">(</span></span><span class="token punctuation">{</span>initialPosition<span class="token punctuation">}</span><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 punctuation">(</span>error<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token function">alert<span class="token punctuation">(</span></span>JSON<span class="token punctuation">.</span><span class="token function">stringify<span class="token punctuation">(</span></span>error<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
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<span class="token punctuation">{</span>enableHighAccuracy<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span> timeout<span class="token punctuation">:</span> <span class="token number">20000</span><span class="token punctuation">,</span> maximumAge<span class="token punctuation">:</span> <span class="token number">1000</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 keyword">this</span><span class="token punctuation">.</span>watchID <span class="token operator">=</span> navigator<span class="token punctuation">.</span>geolocation<span class="token punctuation">.</span><span class="token function">watchPosition<span class="token punctuation">(</span></span><span class="token punctuation">(</span>position<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">var</span> lastPosition <span class="token operator">=</span> JSON<span class="token punctuation">.</span><span class="token function">stringify<span class="token punctuation">(</span></span>position<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">setState<span class="token punctuation">(</span></span><span class="token punctuation">{</span>lastPosition<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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