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<!DOCTYPE html><html><head><title>MapView</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="MapView"><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_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"><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">0.35</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:0;" class="" href="docs/getting-started.html">Getting Started</a></li><li><a style="margin-left:0;" class="" href="docs/tutorial.html">Tutorial</a></li><li><a style="margin-left:0;" class="" href="docs/props.html">Props</a></li><li><a style="margin-left:0;" class="" href="docs/state.html">State</a></li><li><a style="margin-left:0;" class="" href="docs/style.html">Style</a></li><li><a style="margin-left:0;" class="" href="docs/height-and-width.html">Height and Width</a></li><li><a style="margin-left:0;" class="" href="docs/flexbox.html">Layout with Flexbox</a></li><li><a style="margin-left:0;" class="" href="docs/handling-text-input.html">Handling Text Input</a></li><li><a style="margin-left:0;" class="" href="docs/using-a-scrollview.html">Using a ScrollView</a></li><li><a style="margin-left:0;" class="" href="docs/using-a-listview.html">Using a ListView</a></li><li><a style="margin-left:0;" class="" href="docs/network.html">Networking</a></li><li><a style="margin-left:0;" class="" href="docs/using-navigators.html">Using Navigators</a></li><li><a style="margin-left:0;" 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:0;" class="" href="docs/integration-with-existing-apps.html">Integration With Existing Apps</a></li><li><a style="margin-left:0;" class="" href="docs/colors.html">Colors</a></li><li><a style="margin-left:0;" class="" href="docs/images.html">Images</a></li><li><a style="margin-left:0;" class="" href="docs/handling-touches.html">Handling Touches</a></li><li><a style="margin-left:0;" class="" href="docs/animations.html">Animations</a></li><li><a style="margin-left:0;" class="" href="docs/accessibility.html">Accessibility</a></li><li><a style="margin-left:0;" class="" href="docs/timers.html">Timers</a></li><li><a style="margin-left:0;" class="" href="docs/direct-manipulation.html">Direct Manipulation</a></li><li><a style="margin-left:0;" class="" href="docs/debugging.html">Debugging</a></li><li><a style="margin-left:0;" class="" href="docs/testing.html">Testing</a></li><li><a style="margin-left:0;" class="" href="docs/javascript-environment.html">JavaScript Environment</a></li><li><a style="margin-left:0;" class="" href="docs/navigation.html">Navigation</a></li><li><a style="margin-left:0;" class="" href="docs/performance.html">Performance</a></li><li><a style="margin-left:0;" class="" href="docs/upgrading.html">Upgrading</a></li><li><a style="margin-left:0;" class="" href="docs/platform-specific-code.html">Platform Specific Code</a></li><li><a style="margin-left:0;" class="" href="docs/gesture-responder-system.html">Gesture Responder System</a></li></ul></div><div class="nav-docs-section"><h3>Guides (iOS)</h3><ul><li><a style="margin-left:0;" class="" href="docs/native-modules-ios.html">Native Modules</a></li><li><a style="margin-left:0;" class="" href="docs/native-components-ios.html">Native UI Components</a></li><li><a style="margin-left:0;" class="" href="docs/linking-libraries-ios.html">Linking Libraries</a></li><li><a style="margin-left:0;" class="" href="docs/running-on-device-ios.html">Running On Device</a></li><li><a style="margin-left:0;" class="" href="docs/running-on-simulator-ios.html">Running On Simulator</a></li><li><a style="margin-left:0;" 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:0;" class="" href="docs/native-modules-android.html">Native Modules</a></li><li><a style="margin-left:0;" class="" href="docs/native-components-android.html">Native UI Components</a></li><li><a style="margin-left:0;" class="" href="docs/running-on-device-android.html">Running On Device</a></li><li><a style="margin-left:0;" class="" href="docs/signed-apk-android.html">Generating Signed APK</a></li><li><a style="margin-left:0;" class="" href="docs/android-ui-performance.html">Profiling Android UI Performance</a></li><li><a style="margin-left:0;" 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:0;" class="" href="docs/activityindicator.html">ActivityIndicator</a></li><li><a style="margin-left:0;" class="" href="docs/activityindicatorios.html">ActivityIndicatorIOS</a></li><li><a style="margin-left:0;" class="" href="docs/datepickerios.html">DatePickerIOS</a></li><li><a style="margin-left:0;" class="" href="docs/drawerlayoutandroid.html">DrawerLayoutAndroid</a></li><li><a style="margin-left:0;" class="" href="docs/image.html">Image</a></li><li><a style="margin-left:0;" class="" href="docs/keyboardavoidingview.html">KeyboardAvoidingView</a></li><li><a style="margin-left:0;" class="" href="docs/listview.html">ListView</a></li><li><a style="margin-left:0;" class="active" 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="" 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="mapview"></a>MapView <a class="hash-link" href="docs/mapview.html#mapview">#</a></h1><div><div><p><strong>This component is only supported on iOS.</strong></p><p><code>MapView</code> is used to display embeddable maps and annotations using
<code>MKMapView</code>.</p><p>For a cross-platform solution, check out
<a href="https://github.com/airbnb/react-native-maps" target="_blank">react-native-maps</a>
by Airbnb.</p><div class="prism language-javascript">import React<span class="token punctuation">,</span> <span class="token punctuation">{</span> Component <span class="token punctuation">}</span> from <span class="token string">&#x27;react&#x27;</span><span class="token punctuation">;</span>
import <span class="token punctuation">{</span> MapView <span class="token punctuation">}</span> from <span class="token string">&#x27;react-native&#x27;</span><span class="token punctuation">;</span>
class <span class="token class-name">MapMyRide</span> extends <span class="token class-name">Component</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>
&lt;MapView
style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>height<span class="token punctuation">:</span> <span class="token number">200</span><span class="token punctuation">,</span> margin<span class="token punctuation">:</span> <span class="token number">40</span><span class="token punctuation">}</span><span class="token punctuation">}</span>
showsUserLocation<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">true</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span></div></div><h3><a class="anchor" name="props"></a>Props <a class="hash-link" href="docs/mapview.html#props">#</a></h3><div class="props"><div class="prop"><h4 class="propTitle"><a class="anchor" name="view"></a><a href="docs/view.html#props">View props...</a> <a class="hash-link" href="docs/mapview.html#view">#</a></h4></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="annotations"></a>annotations <span class="propType"><span>[{latitude: number, longitude: number, animateDrop: bool, draggable: bool, onDragStateChange: function, onFocus: function, onBlur: function, title: string, subtitle: string, leftCalloutView: element, rightCalloutView: element, detailCalloutView: element, tintColor: [object Object], image: Image.propTypes.source, view: element, id: string, hasLeftCallout: deprecatedPropType(
React.PropTypes.bool,
&#x27;Use `leftCalloutView` instead.&#x27;
), hasRightCallout: deprecatedPropType(
React.PropTypes.bool,
&#x27;Use `rightCalloutView` instead.&#x27;
), onLeftCalloutPress: deprecatedPropType(
React.PropTypes.func,
&#x27;Use `leftCalloutView` instead.&#x27;
), onRightCalloutPress: deprecatedPropType(
React.PropTypes.func,
&#x27;Use `rightCalloutView` instead.&#x27;
)}]</span></span> <a class="hash-link" href="docs/mapview.html#annotations">#</a></h4><div><p>Map annotations with title and subtitle.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="followuserlocation"></a>followUserLocation <span class="propType">bool</span> <a class="hash-link" href="docs/mapview.html#followuserlocation">#</a></h4><div><p>If <code>true</code> the map will follow the user&#x27;s location whenever it changes.
Note that this has no effect unless <code>showsUserLocation</code> is enabled.
Default value is <code>true</code>.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="legallabelinsets"></a>legalLabelInsets <span class="propType">{top: number, left: number, bottom: number, right: number}</span> <a class="hash-link" href="docs/mapview.html#legallabelinsets">#</a></h4><div><p>Insets for the map&#x27;s legal label, originally at bottom left of the map.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="maptype"></a>mapType <span class="propType">enum(&#x27;standard&#x27;, &#x27;satellite&#x27;, &#x27;hybrid&#x27;)</span> <a class="hash-link" href="docs/mapview.html#maptype">#</a></h4><div><p>The map type to be displayed.</p><ul><li><code>standard</code>: Standard road map (default).</li><li><code>satellite</code>: Satellite view.</li><li><code>hybrid</code>: Satellite view with roads and points of interest overlaid.</li></ul></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="maxdelta"></a>maxDelta <span class="propType">number</span> <a class="hash-link" href="docs/mapview.html#maxdelta">#</a></h4><div><p>Maximum size of the area that can be displayed.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="mindelta"></a>minDelta <span class="propType">number</span> <a class="hash-link" href="docs/mapview.html#mindelta">#</a></h4><div><p>Minimum size of the area that can be displayed.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="onannotationpress"></a>onAnnotationPress <span class="propType">function</span> <a class="hash-link" href="docs/mapview.html#onannotationpress">#</a></h4><div><p>Deprecated. Use annotation <code>onFocus</code> and <code>onBlur</code> instead.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="onregionchange"></a>onRegionChange <span class="propType">function</span> <a class="hash-link" href="docs/mapview.html#onregionchange">#</a></h4><div><p>Callback that is called continuously when the user is dragging the map.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="onregionchangecomplete"></a>onRegionChangeComplete <span class="propType">function</span> <a class="hash-link" href="docs/mapview.html#onregionchangecomplete">#</a></h4><div><p>Callback that is called once, when the user is done moving the map.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="overlays"></a>overlays <span class="propType"><span>[{coordinates: [object Object], lineWidth: number, strokeColor: [object Object], fillColor: [object Object], id: string}]</span></span> <a class="hash-link" href="docs/mapview.html#overlays">#</a></h4><div><p>Map overlays</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="pitchenabled"></a>pitchEnabled <span class="propType">bool</span> <a class="hash-link" href="docs/mapview.html#pitchenabled">#</a></h4><div><p>When this property is set to <code>true</code> and a valid camera is associated
with the map, the camera&#x27;s pitch angle is used to tilt the plane
of the map.</p><p>When this property is set to <code>false</code>, the camera&#x27;s pitch
angle is ignored and the map is always displayed as if the user
is looking straight down onto it.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="region"></a>region <span class="propType">{latitude: number, longitude: number, latitudeDelta: number, longitudeDelta: number}</span> <a class="hash-link" href="docs/mapview.html#region">#</a></h4><div><p>The region to be displayed by the map.</p><p>The region is defined by the center coordinates and the span of
coordinates to display.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="rotateenabled"></a>rotateEnabled <span class="propType">bool</span> <a class="hash-link" href="docs/mapview.html#rotateenabled">#</a></h4><div><p>When this property is set to <code>true</code> and a valid camera is associated with
the map, the camera&#x27;s heading angle is used to rotate the plane of the
map around its center point.</p><p>When this property is set to <code>false</code>, the
camera&#x27;s heading angle is ignored and the map is always oriented so
that true north is situated at the top of the map view</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="scrollenabled"></a>scrollEnabled <span class="propType">bool</span> <a class="hash-link" href="docs/mapview.html#scrollenabled">#</a></h4><div><p>If <code>false</code> the user won&#x27;t be able to change the map region being displayed.
Default value is <code>true</code>.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="showscompass"></a>showsCompass <span class="propType">bool</span> <a class="hash-link" href="docs/mapview.html#showscompass">#</a></h4><div><p>If <code>false</code>, compass won&#x27;t be displayed on the map.
Default value is <code>true</code>.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="showspointsofinterest"></a>showsPointsOfInterest <span class="propType">bool</span> <a class="hash-link" href="docs/mapview.html#showspointsofinterest">#</a></h4><div><p>If <code>false</code> points of interest won&#x27;t be displayed on the map.
Default value is <code>true</code>.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="showsuserlocation"></a>showsUserLocation <span class="propType">bool</span> <a class="hash-link" href="docs/mapview.html#showsuserlocation">#</a></h4><div><p>If <code>true</code> the app will ask for the user&#x27;s location and display it on
the map. Default value is <code>false</code>.</p><p><strong>NOTE</strong>: You&#x27;ll need to add the <code>NSLocationWhenInUseUsageDescription</code>
key in Info.plist to enable geolocation, otherwise it will fail silently.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="style"></a>style <span class="propType"><a href="docs/view.html#style">View#style</a></span> <a class="hash-link" href="docs/mapview.html#style">#</a></h4><div><p>Used to style and layout the <code>MapView</code>.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="zoomenabled"></a>zoomEnabled <span class="propType">bool</span> <a class="hash-link" href="docs/mapview.html#zoomenabled">#</a></h4><div><p>If <code>false</code> the user won&#x27;t be able to pinch/zoom the map.
Default value is <code>true</code>.</p></div></div><div class="prop"><h4 class="propTitle"><a class="anchor" name="active"></a><span class="platform">android</span>active <span class="propType">bool</span> <a class="hash-link" href="docs/mapview.html#active">#</a></h4></div></div><span><h3><a class="anchor" name="type-definitions"></a>Type Definitions <a class="hash-link" href="docs/mapview.html#type-definitions">#</a></h3><div class="props"><div class="prop"><h4 class="propTitle"><a class="anchor" name="annotationdragstate"></a>AnnotationDragState <a class="hash-link" href="docs/mapview.html#annotationdragstate">#</a></h4><div><p>State an annotation on the map.</p></div><strong>Type:</strong><br>$Enum<div><br><strong>Constants:</strong><table class="params"><thead><tr><th>Value</th><th>Description</th></tr></thead><tbody><tr><td>idle</td><td class="description"><div><p>Annotation is not being touched.</p></div></td></tr><tr><td>starting</td><td class="description"><div><p>Annotation dragging has began.</p></div></td></tr><tr><td>dragging</td><td class="description"><div><p>Annotation is being dragged.</p></div></td></tr><tr><td>canceling</td><td class="description"><div><p>Annotation dragging is being canceled.</p></div></td></tr><tr><td>ending</td><td class="description"><div><p>Annotation dragging has ended.</p></div></td></tr></tbody></table></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/Components/MapView/MapView.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/mapview.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/MapViewExample.js">Edit on GitHub</a></td></tr></tbody></table><div class="example-container"><div class="prism language-javascript"><span class="token string">&#x27;use strict&#x27;</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">&#x27;react&#x27;</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">&#x27;react-native&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> <span class="token punctuation">{</span> PropTypes <span class="token punctuation">}</span> <span class="token operator">=</span> React<span class="token punctuation">;</span>
<span class="token keyword">var</span> <span class="token punctuation">{</span>
Image<span class="token punctuation">,</span>
MapView<span class="token punctuation">,</span>
StyleSheet<span class="token punctuation">,</span>
Text<span class="token punctuation">,</span>
TextInput<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> regionText <span class="token operator">=</span> <span class="token punctuation">{</span>
latitude<span class="token punctuation">:</span> <span class="token string">&#x27;0&#x27;</span><span class="token punctuation">,</span>
longitude<span class="token punctuation">:</span> <span class="token string">&#x27;0&#x27;</span><span class="token punctuation">,</span>
latitudeDelta<span class="token punctuation">:</span> <span class="token string">&#x27;0&#x27;</span><span class="token punctuation">,</span>
longitudeDelta<span class="token punctuation">:</span> <span class="token string">&#x27;0&#x27;</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> MapRegionInput <span class="token operator">=</span> React<span class="token punctuation">.</span><span class="token function">createClass<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
propTypes<span class="token punctuation">:</span> <span class="token punctuation">{</span>
region<span class="token punctuation">:</span> PropTypes<span class="token punctuation">.</span><span class="token function">shape<span class="token punctuation">(</span></span><span class="token punctuation">{</span>
latitude<span class="token punctuation">:</span> PropTypes<span class="token punctuation">.</span>number<span class="token punctuation">.</span>isRequired<span class="token punctuation">,</span>
longitude<span class="token punctuation">:</span> PropTypes<span class="token punctuation">.</span>number<span class="token punctuation">.</span>isRequired<span class="token punctuation">,</span>
latitudeDelta<span class="token punctuation">:</span> PropTypes<span class="token punctuation">.</span>number<span class="token punctuation">,</span>
longitudeDelta<span class="token punctuation">:</span> PropTypes<span class="token punctuation">.</span>number<span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
onChange<span class="token punctuation">:</span> PropTypes<span class="token punctuation">.</span>func<span class="token punctuation">.</span>isRequired<span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token function">getInitialState<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>
region<span class="token punctuation">:</span> <span class="token punctuation">{</span>
latitude<span class="token punctuation">:</span> <span class="token number">0</span><span class="token punctuation">,</span>
longitude<span class="token punctuation">:</span> <span class="token number">0</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>
componentWillReceiveProps<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span>nextProps<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<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>
region<span class="token punctuation">:</span> nextProps<span class="token punctuation">.</span>region <span class="token operator">||</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">getInitialState<span class="token punctuation">(</span></span><span class="token punctuation">)</span><span class="token punctuation">.</span>region
<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>
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>
<span class="token keyword">var</span> region <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>region <span class="token operator">||</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">getInitialState<span class="token punctuation">(</span></span><span class="token punctuation">)</span><span class="token punctuation">.</span>region<span class="token punctuation">;</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;View<span class="token operator">&gt;</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>row<span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span>
<span class="token punctuation">{</span><span class="token string">&#x27;Latitude&#x27;</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;TextInput
value<span class="token operator">=</span><span class="token punctuation">{</span><span class="token string">&#x27;&#x27;</span> <span class="token operator">+</span> region<span class="token punctuation">.</span>latitude<span class="token punctuation">}</span>
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>textInput<span class="token punctuation">}</span>
onChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onChangeLatitude<span class="token punctuation">}</span>
selectTextOnFocus<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">true</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>row<span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span>
<span class="token punctuation">{</span><span class="token string">&#x27;Longitude&#x27;</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;TextInput
value<span class="token operator">=</span><span class="token punctuation">{</span><span class="token string">&#x27;&#x27;</span> <span class="token operator">+</span> region<span class="token punctuation">.</span>longitude<span class="token punctuation">}</span>
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>textInput<span class="token punctuation">}</span>
onChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onChangeLongitude<span class="token punctuation">}</span>
selectTextOnFocus<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">true</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>row<span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span>
<span class="token punctuation">{</span><span class="token string">&#x27;Latitude delta&#x27;</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;TextInput
value<span class="token operator">=</span><span class="token punctuation">{</span>
region<span class="token punctuation">.</span>latitudeDelta <span class="token operator">==</span> <span class="token keyword">null</span> <span class="token operator">?</span> <span class="token string">&#x27;&#x27;</span> <span class="token punctuation">:</span> <span class="token function">String<span class="token punctuation">(</span></span>region<span class="token punctuation">.</span>latitudeDelta<span class="token punctuation">)</span>
<span class="token punctuation">}</span>
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>textInput<span class="token punctuation">}</span>
onChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onChangeLatitudeDelta<span class="token punctuation">}</span>
selectTextOnFocus<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">true</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>row<span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;Text<span class="token operator">&gt;</span>
<span class="token punctuation">{</span><span class="token string">&#x27;Longitude delta&#x27;</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;TextInput
value<span class="token operator">=</span><span class="token punctuation">{</span>
region<span class="token punctuation">.</span>longitudeDelta <span class="token operator">==</span> <span class="token keyword">null</span> <span class="token operator">?</span> <span class="token string">&#x27;&#x27;</span> <span class="token punctuation">:</span> <span class="token function">String<span class="token punctuation">(</span></span>region<span class="token punctuation">.</span>longitudeDelta<span class="token punctuation">)</span>
<span class="token punctuation">}</span>
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>textInput<span class="token punctuation">}</span>
onChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onChangeLongitudeDelta<span class="token punctuation">}</span>
selectTextOnFocus<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">true</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;View style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>changeButton<span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;Text onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_change<span class="token punctuation">}</span><span class="token operator">&gt;</span>
<span class="token punctuation">{</span><span class="token string">&#x27;Change&#x27;</span><span class="token punctuation">}</span>
&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
_onChangeLatitude<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span>e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
regionText<span class="token punctuation">.</span>latitude <span class="token operator">=</span> e<span class="token punctuation">.</span>nativeEvent<span class="token punctuation">.</span>text<span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
_onChangeLongitude<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span>e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
regionText<span class="token punctuation">.</span>longitude <span class="token operator">=</span> e<span class="token punctuation">.</span>nativeEvent<span class="token punctuation">.</span>text<span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
_onChangeLatitudeDelta<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span>e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
regionText<span class="token punctuation">.</span>latitudeDelta <span class="token operator">=</span> e<span class="token punctuation">.</span>nativeEvent<span class="token punctuation">.</span>text<span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
_onChangeLongitudeDelta<span class="token punctuation">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span>e<span class="token punctuation">)</span> <span class="token punctuation">{</span>
regionText<span class="token punctuation">.</span>longitudeDelta <span class="token operator">=</span> e<span class="token punctuation">.</span>nativeEvent<span class="token punctuation">.</span>text<span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
_change<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>
<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>
region<span class="token punctuation">:</span> <span class="token punctuation">{</span>
latitude<span class="token punctuation">:</span> <span class="token function">parseFloat<span class="token punctuation">(</span></span>regionText<span class="token punctuation">.</span>latitude<span class="token punctuation">)</span><span class="token punctuation">,</span>
longitude<span class="token punctuation">:</span> <span class="token function">parseFloat<span class="token punctuation">(</span></span>regionText<span class="token punctuation">.</span>longitude<span class="token punctuation">)</span><span class="token punctuation">,</span>
latitudeDelta<span class="token punctuation">:</span> <span class="token function">parseFloat<span class="token punctuation">(</span></span>regionText<span class="token punctuation">.</span>latitudeDelta<span class="token punctuation">)</span><span class="token punctuation">,</span>
longitudeDelta<span class="token punctuation">:</span> <span class="token function">parseFloat<span class="token punctuation">(</span></span>regionText<span class="token punctuation">.</span>longitudeDelta<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 keyword">this</span><span class="token punctuation">.</span>props<span class="token punctuation">.</span><span class="token function">onChange<span class="token punctuation">(</span></span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>region<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>
class <span class="token class-name">MapViewExample</span> extends <span class="token class-name">React<span class="token punctuation">.</span>Component</span> <span class="token punctuation">{</span>
state <span class="token operator">=</span> <span class="token punctuation">{</span>
isFirstLoad<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
mapRegion<span class="token punctuation">:</span> undefined<span class="token punctuation">,</span>
mapRegionInput<span class="token punctuation">:</span> undefined<span class="token punctuation">,</span>
annotations<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>
&lt;View<span class="token operator">&gt;</span>
&lt;MapView
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span>
onRegionChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onRegionChange<span class="token punctuation">}</span>
onRegionChangeComplete<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onRegionChangeComplete<span class="token punctuation">}</span>
region<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>mapRegion<span class="token punctuation">}</span>
annotations<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>annotations<span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;MapRegionInput
onChange<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>_onRegionInputChanged<span class="token punctuation">}</span>
region<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>mapRegionInput<span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
_getAnnotations <span class="token operator">=</span> <span class="token punctuation">(</span>region<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">[</span><span class="token punctuation">{</span>
longitude<span class="token punctuation">:</span> region<span class="token punctuation">.</span>longitude<span class="token punctuation">,</span>
latitude<span class="token punctuation">:</span> region<span class="token punctuation">.</span>latitude<span class="token punctuation">,</span>
title<span class="token punctuation">:</span> <span class="token string">&#x27;You Are Here&#x27;</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>
_onRegionChange <span class="token operator">=</span> <span class="token punctuation">(</span>region<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<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>
mapRegionInput<span class="token punctuation">:</span> region<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>
_onRegionChangeComplete <span class="token operator">=</span> <span class="token punctuation">(</span>region<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>isFirstLoad<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<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>
mapRegionInput<span class="token punctuation">:</span> region<span class="token punctuation">,</span>
annotations<span class="token punctuation">:</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">_getAnnotations<span class="token punctuation">(</span></span>region<span class="token punctuation">)</span><span class="token punctuation">,</span>
isFirstLoad<span class="token punctuation">:</span> <span class="token boolean">false</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>
_onRegionInputChanged <span class="token operator">=</span> <span class="token punctuation">(</span>region<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<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>
mapRegion<span class="token punctuation">:</span> region<span class="token punctuation">,</span>
mapRegionInput<span class="token punctuation">:</span> region<span class="token punctuation">,</span>
annotations<span class="token punctuation">:</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">_getAnnotations<span class="token punctuation">(</span></span>region<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>
class <span class="token class-name">AnnotationExample</span> extends <span class="token class-name">React<span class="token punctuation">.</span>Component</span> <span class="token punctuation">{</span>
state <span class="token operator">=</span> <span class="token punctuation">{</span>
isFirstLoad<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
annotations<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
mapRegion<span class="token punctuation">:</span> undefined<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">if</span> <span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>isFirstLoad<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">var</span> onRegionChangeComplete <span class="token operator">=</span> <span class="token punctuation">(</span>region<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<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>
isFirstLoad<span class="token punctuation">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span>
annotations<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token punctuation">{</span>
longitude<span class="token punctuation">:</span> region<span class="token punctuation">.</span>longitude<span class="token punctuation">,</span>
latitude<span class="token punctuation">:</span> region<span class="token punctuation">.</span>latitude<span class="token punctuation">,</span>
<span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token keyword">this</span><span class="token punctuation">.</span>props<span class="token punctuation">.</span>annotation<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 punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;MapView
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span>
onRegionChangeComplete<span class="token operator">=</span><span class="token punctuation">{</span>onRegionChangeComplete<span class="token punctuation">}</span>
region<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>mapRegion<span class="token punctuation">}</span>
annotations<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>annotations<span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</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">DraggableAnnotationExample</span> extends <span class="token class-name">React<span class="token punctuation">.</span>Component</span> <span class="token punctuation">{</span>
state <span class="token operator">=</span> <span class="token punctuation">{</span>
isFirstLoad<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
annotations<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
mapRegion<span class="token punctuation">:</span> undefined<span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span>
createAnnotation <span class="token operator">=</span> <span class="token punctuation">(</span>longitude<span class="token punctuation">,</span> latitude<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> <span class="token punctuation">{</span>
longitude<span class="token punctuation">,</span>
latitude<span class="token punctuation">,</span>
draggable<span class="token punctuation">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
onDragStateChange<span class="token punctuation">:</span> <span class="token punctuation">(</span>event<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>event<span class="token punctuation">.</span>state <span class="token operator">===</span> <span class="token string">&#x27;idle&#x27;</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<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>
annotations<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">createAnnotation<span class="token punctuation">(</span></span>event<span class="token punctuation">.</span>longitude<span class="token punctuation">,</span> event<span class="token punctuation">.</span>latitude<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>
console<span class="token punctuation">.</span><span class="token function">log<span class="token punctuation">(</span></span><span class="token string">&#x27;Drag state: &#x27;</span> <span class="token operator">+</span> event<span class="token punctuation">.</span>state<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">if</span> <span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>isFirstLoad<span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">var</span> onRegionChangeComplete <span class="token operator">=</span> <span class="token punctuation">(</span>region<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<span class="token comment" spellcheck="true"> //When the MapView loads for the first time, we can create the annotation at the
</span> <span class="token comment" spellcheck="true"> //region that was loaded.
</span> <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>
isFirstLoad<span class="token punctuation">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span>
annotations<span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">createAnnotation<span class="token punctuation">(</span></span>region<span class="token punctuation">.</span>longitude<span class="token punctuation">,</span> region<span class="token punctuation">.</span>latitude<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 punctuation">}</span>
<span class="token keyword">return</span> <span class="token punctuation">(</span>
&lt;MapView
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span>
onRegionChangeComplete<span class="token operator">=</span><span class="token punctuation">{</span>onRegionChangeComplete<span class="token punctuation">}</span>
region<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>mapRegion<span class="token punctuation">}</span>
annotations<span class="token operator">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span>state<span class="token punctuation">.</span>annotations<span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</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>
map<span class="token punctuation">:</span> <span class="token punctuation">{</span>
height<span class="token punctuation">:</span> <span class="token number">150</span><span class="token punctuation">,</span>
margin<span class="token punctuation">:</span> <span class="token number">10</span><span class="token punctuation">,</span>
borderWidth<span class="token punctuation">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
borderColor<span class="token punctuation">:</span> <span class="token string">&#x27;#000000&#x27;</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
row<span class="token punctuation">:</span> <span class="token punctuation">{</span>
flexDirection<span class="token punctuation">:</span> <span class="token string">&#x27;row&#x27;</span><span class="token punctuation">,</span>
justifyContent<span class="token punctuation">:</span> <span class="token string">&#x27;space-between&#x27;</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
textInput<span class="token punctuation">:</span> <span class="token punctuation">{</span>
width<span class="token punctuation">:</span> <span class="token number">150</span><span class="token punctuation">,</span>
height<span class="token punctuation">:</span> <span class="token number">20</span><span class="token punctuation">,</span>
borderWidth<span class="token punctuation">:</span> <span class="token number">0.5</span><span class="token punctuation">,</span>
borderColor<span class="token punctuation">:</span> <span class="token string">&#x27;#aaaaaa&#x27;</span><span class="token punctuation">,</span>
fontSize<span class="token punctuation">:</span> <span class="token number">13</span><span class="token punctuation">,</span>
padding<span class="token punctuation">:</span> <span class="token number">4</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
changeButton<span class="token punctuation">:</span> <span class="token punctuation">{</span>
alignSelf<span class="token punctuation">:</span> <span class="token string">&#x27;center&#x27;</span><span class="token punctuation">,</span>
marginTop<span class="token punctuation">:</span> <span class="token number">5</span><span class="token punctuation">,</span>
padding<span class="token punctuation">:</span> <span class="token number">3</span><span class="token punctuation">,</span>
borderWidth<span class="token punctuation">:</span> <span class="token number">0.5</span><span class="token punctuation">,</span>
borderColor<span class="token punctuation">:</span> <span class="token string">&#x27;#777777&#x27;</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>
exports<span class="token punctuation">.</span>displayName <span class="token operator">=</span> <span class="token punctuation">(</span>undefined<span class="token punctuation">:</span> <span class="token operator">?</span>string<span class="token punctuation">)</span><span class="token punctuation">;</span>
exports<span class="token punctuation">.</span>title <span class="token operator">=</span> <span class="token string">&#x27;&lt;MapView&gt;&#x27;</span><span class="token punctuation">;</span>
exports<span class="token punctuation">.</span>description <span class="token operator">=</span> <span class="token string">&#x27;Base component to display maps&#x27;</span><span class="token punctuation">;</span>
exports<span class="token punctuation">.</span>examples <span class="token operator">=</span> <span class="token punctuation">[</span>
<span class="token punctuation">{</span>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Map&#x27;</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> &lt;MapViewExample <span class="token operator">/</span><span class="token operator">&gt;</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>
title<span class="token punctuation">:</span> <span class="token string">&#x27;showsUserLocation + followUserLocation&#x27;</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>
&lt;MapView
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span>
showsUserLocation<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">true</span><span class="token punctuation">}</span>
followUserLocation<span class="token operator">=</span><span class="token punctuation">{</span><span class="token boolean">true</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</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>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Callout example&#x27;</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> &lt;AnnotationExample style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span> annotation<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>
title<span class="token punctuation">:</span> <span class="token string">&#x27;More Info...&#x27;</span><span class="token punctuation">,</span>
rightCalloutView<span class="token punctuation">:</span> <span class="token punctuation">(</span>
&lt;TouchableOpacity
onPress<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<span class="token function">alert<span class="token punctuation">(</span></span><span class="token string">&#x27;You Are Here&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;Image
style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>width<span class="token punctuation">:</span><span class="token number">30</span><span class="token punctuation">,</span> height<span class="token punctuation">:</span><span class="token number">30</span><span class="token punctuation">}</span><span class="token punctuation">}</span>
source<span class="token operator">=</span><span class="token punctuation">{</span><span class="token function">require<span class="token punctuation">(</span></span><span class="token string">&#x27;./uie_thumb_selected.png&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>TouchableOpacity<span class="token operator">&gt;</span>
<span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">/</span><span class="token operator">&gt;</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>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Annotation focus example&#x27;</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> &lt;AnnotationExample style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span> annotation<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>
title<span class="token punctuation">:</span> <span class="token string">&#x27;More Info...&#x27;</span><span class="token punctuation">,</span>
onFocus<span class="token punctuation">:</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<span class="token function">alert<span class="token punctuation">(</span></span><span class="token string">&#x27;Annotation gets focus&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
onBlur<span class="token punctuation">:</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
<span class="token function">alert<span class="token punctuation">(</span></span><span class="token string">&#x27;Annotation lost focus&#x27;</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 operator">/</span><span class="token operator">&gt;</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>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Draggable pin&#x27;</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> &lt;DraggableAnnotationExample<span class="token operator">/</span><span class="token operator">&gt;</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>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Custom pin color&#x27;</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> &lt;AnnotationExample style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span> annotation<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>
title<span class="token punctuation">:</span> <span class="token string">&#x27;You Are Purple&#x27;</span><span class="token punctuation">,</span>
tintColor<span class="token punctuation">:</span> MapView<span class="token punctuation">.</span>PinColors<span class="token punctuation">.</span>PURPLE<span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">/</span><span class="token operator">&gt;</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>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Custom pin image&#x27;</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> &lt;AnnotationExample style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span> annotation<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Thumbs Up!&#x27;</span><span class="token punctuation">,</span>
image<span class="token punctuation">:</span> <span class="token function">require<span class="token punctuation">(</span></span><span class="token string">&#x27;./uie_thumb_big.png&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">/</span><span class="token operator">&gt;</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>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Custom pin view&#x27;</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> &lt;AnnotationExample style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span> annotation<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Thumbs Up!&#x27;</span><span class="token punctuation">,</span>
view<span class="token punctuation">:</span> &lt;View style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>
alignItems<span class="token punctuation">:</span> <span class="token string">&#x27;center&#x27;</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">&gt;</span>
&lt;Text style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>fontWeight<span class="token punctuation">:</span> <span class="token string">&#x27;bold&#x27;</span><span class="token punctuation">,</span> color<span class="token punctuation">:</span> <span class="token string">&#x27;#f007&#x27;</span><span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">&gt;</span>
Thumbs Up<span class="token operator">!</span>
&lt;<span class="token operator">/</span>Text<span class="token operator">&gt;</span>
&lt;Image
style<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>width<span class="token punctuation">:</span> <span class="token number">90</span><span class="token punctuation">,</span> height<span class="token punctuation">:</span> <span class="token number">65</span><span class="token punctuation">,</span> resizeMode<span class="token punctuation">:</span> <span class="token string">&#x27;cover&#x27;</span><span class="token punctuation">}</span><span class="token punctuation">}</span>
source<span class="token operator">=</span><span class="token punctuation">{</span><span class="token function">require<span class="token punctuation">(</span></span><span class="token string">&#x27;./uie_thumb_big.png&#x27;</span><span class="token punctuation">)</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</span>
&lt;<span class="token operator">/</span>View<span class="token operator">&gt;</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token operator">/</span><span class="token operator">&gt;</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>
title<span class="token punctuation">:</span> <span class="token string">&#x27;Custom overlay&#x27;</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> &lt;MapView
style<span class="token operator">=</span><span class="token punctuation">{</span>styles<span class="token punctuation">.</span>map<span class="token punctuation">}</span>
region<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span>
latitude<span class="token punctuation">:</span> <span class="token number">39.06</span><span class="token punctuation">,</span>
longitude<span class="token punctuation">:</span> <span class="token operator">-</span><span class="token number">95.22</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">}</span>
overlays<span class="token operator">=</span><span class="token punctuation">{</span><span class="token punctuation">[</span><span class="token punctuation">{</span>
coordinates<span class="token punctuation">:</span><span class="token punctuation">[</span>
<span class="token punctuation">{</span>latitude<span class="token punctuation">:</span> <span class="token number">32.47</span><span class="token punctuation">,</span> longitude<span class="token punctuation">:</span> <span class="token operator">-</span><span class="token number">107.85</span><span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token punctuation">{</span>latitude<span class="token punctuation">:</span> <span class="token number">45.13</span><span class="token punctuation">,</span> longitude<span class="token punctuation">:</span> <span class="token operator">-</span><span class="token number">94.48</span><span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token punctuation">{</span>latitude<span class="token punctuation">:</span> <span class="token number">39.27</span><span class="token punctuation">,</span> longitude<span class="token punctuation">:</span> <span class="token operator">-</span><span class="token number">83.25</span><span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token punctuation">{</span>latitude<span class="token punctuation">:</span> <span class="token number">32.47</span><span class="token punctuation">,</span> longitude<span class="token punctuation">:</span> <span class="token operator">-</span><span class="token number">107.85</span><span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token punctuation">]</span><span class="token punctuation">,</span>
strokeColor<span class="token punctuation">:</span> <span class="token string">&#x27;#f007&#x27;</span><span class="token punctuation">,</span>
lineWidth<span class="token punctuation">:</span> <span class="token number">3</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">]</span><span class="token punctuation">}</span>
<span class="token operator">/</span><span class="token operator">&gt;</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></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&amp;scale=60&amp;autoplay=false&amp;orientation=portrait&amp;deviceColor=white&amp;params=%7B%22route%22%3A%22MapView%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/listview.html#content">← Prev</a><a class="docs-next" href="docs/modal.html#content">Next →</a></div></div></section><footer class="wrap"><div class="center">© 2016 Facebook Inc.</div></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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