[ReactNative] Migrate navigator.geolocation to open source

Examples/UIExplorer/GeoLocationExample.js

@@ -0,0 +1,72 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule GeoLocationExample
+ */
+/* eslint no-console: 0 */
+'use strict';
+
+
+var React = require('react-native');
+var {
+  StyleSheet,
+  Text,
+  View,
+} = React;
+
+exports.framework = 'React';
+exports.title = 'GeoLocation';
+exports.description = 'Examples of using the GeoLocation API.';
+
+exports.examples = [
+  {
+    title: 'navigator.geolocation',
+    render: function() {
+      return <GeoLocationExample />;
+    },
+  }
+];
+
+var GeoLocationExample = React.createClass({
+  getInitialState: function() {
+    return {
+      initialPosition: 'unknown',
+      lastPosition: 'unknown',
+    };
+  },
+
+  componentDidMount: function() {
+    navigator.geolocation.getCurrentPosition(
+      (initialPosition) => this.setState({initialPosition}),
+      (error) => console.error(error)
+    );
+    this.watchID = navigator.geolocation.watchPosition((lastPosition) => {
+      this.setState({lastPosition});
+    });
+  },
+
+  componentWillUnmount: function() {
+    navigator.geolocation.clearWatch(this.watchID);
+  },
+
+  render: function() {
+    return (
+      <View>
+        <Text>
+          <Text style={styles.title}>Initial position: </Text>
+          {JSON.stringify(this.state.initialPosition)}
+        </Text>
+        <Text>
+          <Text style={styles.title}>Current position: </Text>
+          {JSON.stringify(this.state.lastPosition)}
+        </Text>
+      </View>
+    );
+  }
+});
+
+var styles = StyleSheet.create({
+  title: {
+    fontWeight: 'bold',
+  },
+});

Examples/UIExplorer/Info.plist

@@ -34,6 +34,8 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string>You need to add NSLocationWhenInUseUsageDescription key in Info.plist to enable geolocation, otherwise it is going to *fail silently*!</string>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
 </dict>

Examples/UIExplorer/UIExplorerList.js

@@ -31,6 +31,7 @@ var EXAMPLES = [
   require('./TouchableExample'),
   require('./ActivityIndicatorExample'),
   require('./ScrollViewExample'),
+  require('./GeoLocationExample'),
 ];
 
 var UIExplorerList = React.createClass({