487 lines
11 KiB
JavaScript
487 lines
11 KiB
JavaScript
/**
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* The examples provided by Facebook are for non-commercial testing and
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* evaluation purposes only.
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*
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* Facebook reserves all rights not expressly granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
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* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* @flow
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*/
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'use strict';
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var React = require('react-native');
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var {
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MapView,
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StyleSheet,
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Text,
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TextInput,
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View,
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} = React;
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var regionText = {
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latitude: '0',
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longitude: '0',
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latitudeDelta: '0',
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longitudeDelta: '0',
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};
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type MapRegion = {
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latitude: number,
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longitude: number,
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latitudeDelta: number,
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longitudeDelta: number,
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};
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type MapRegionInputState = {
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region: MapRegion,
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};
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var MapRegionInput = React.createClass({
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propTypes: {
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region: React.PropTypes.shape({
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latitude: React.PropTypes.number.isRequired,
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longitude: React.PropTypes.number.isRequired,
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latitudeDelta: React.PropTypes.number.isRequired,
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longitudeDelta: React.PropTypes.number.isRequired,
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}),
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onChange: React.PropTypes.func.isRequired,
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},
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getInitialState(): MapRegionInputState {
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return {
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region: {
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latitude: 0,
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longitude: 0,
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latitudeDelta: 0,
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longitudeDelta: 0,
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}
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};
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},
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componentWillReceiveProps: function(nextProps) {
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this.setState({
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region: nextProps.region || this.getInitialState().region
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});
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},
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render: function() {
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var region = this.state.region || this.getInitialState().region;
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return (
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<View>
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<View style={styles.row}>
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<Text>
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{'Latitude'}
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</Text>
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<TextInput
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value={'' + region.latitude}
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style={styles.textInput}
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onChange={this._onChangeLatitude}
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selectTextOnFocus={true}
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/>
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</View>
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<View style={styles.row}>
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<Text>
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{'Longitude'}
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</Text>
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<TextInput
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value={'' + region.longitude}
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style={styles.textInput}
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onChange={this._onChangeLongitude}
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selectTextOnFocus={true}
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/>
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</View>
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<View style={styles.row}>
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<Text>
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{'Latitude delta'}
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</Text>
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<TextInput
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value={'' + region.latitudeDelta}
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style={styles.textInput}
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onChange={this._onChangeLatitudeDelta}
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selectTextOnFocus={true}
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/>
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</View>
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<View style={styles.row}>
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<Text>
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{'Longitude delta'}
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</Text>
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<TextInput
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value={'' + region.longitudeDelta}
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style={styles.textInput}
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onChange={this._onChangeLongitudeDelta}
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selectTextOnFocus={true}
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/>
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</View>
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<View style={styles.changeButton}>
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<Text onPress={this._change}>
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{'Change'}
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</Text>
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</View>
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</View>
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);
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},
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_onChangeLatitude: function(e) {
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regionText.latitude = e.nativeEvent.text;
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},
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_onChangeLongitude: function(e) {
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regionText.longitude = e.nativeEvent.text;
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},
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_onChangeLatitudeDelta: function(e) {
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regionText.latitudeDelta = e.nativeEvent.text;
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},
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_onChangeLongitudeDelta: function(e) {
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regionText.longitudeDelta = e.nativeEvent.text;
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},
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_change: function() {
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this.setState({
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region: {
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latitude: parseFloat(regionText.latitude),
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longitude: parseFloat(regionText.longitude),
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latitudeDelta: parseFloat(regionText.latitudeDelta),
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longitudeDelta: parseFloat(regionText.longitudeDelta),
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},
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});
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this.props.onChange(this.state.region);
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},
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});
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type Annotations = Array<{
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animateDrop?: boolean,
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latitude: number,
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longitude: number,
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title?: string,
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subtitle?: string,
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hasLeftCallout?: boolean,
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hasRightCallout?: boolean,
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onLeftCalloutPress?: Function,
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onRightCalloutPress?: Function,
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tintColor?: string,
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image?: any,
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id?: string,
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}>;
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type MapViewExampleState = {
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isFirstLoad: boolean,
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mapRegion?: MapRegion,
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mapRegionInput?: MapRegion,
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annotations?: Annotations,
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};
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var MapViewExample = React.createClass({
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getInitialState(): MapViewExampleState {
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return {
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isFirstLoad: true,
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};
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},
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render() {
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return (
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<View>
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<MapView
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style={styles.map}
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onRegionChange={this._onRegionChange}
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onRegionChangeComplete={this._onRegionChangeComplete}
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region={this.state.mapRegion}
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annotations={this.state.annotations}
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/>
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<MapRegionInput
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onChange={this._onRegionInputChanged}
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region={this.state.mapRegionInput}
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/>
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</View>
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);
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},
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_getAnnotations(region): Annotations {
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return [{
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longitude: region.longitude,
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latitude: region.latitude,
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title: 'You Are Here',
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}];
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},
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_onRegionChange(region) {
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this.setState({
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mapRegionInput: region,
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});
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},
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_onRegionChangeComplete(region) {
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if (this.state.isFirstLoad) {
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this.setState({
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mapRegionInput: region,
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annotations: this._getAnnotations(region),
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isFirstLoad: false,
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});
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}
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},
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_onRegionInputChanged(region) {
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this.setState({
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mapRegion: region,
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mapRegionInput: region,
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annotations: this._getAnnotations(region),
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});
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},
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});
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type CalloutMapViewExampleState = {
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isFirstLoad: boolean,
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annotations?: Annotations,
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mapRegion?: MapRegion,
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};
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var CalloutMapViewExample = React.createClass({
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getInitialState(): CalloutMapViewExampleState {
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return {
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isFirstLoad: true,
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};
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},
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render() {
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if (this.state.isFirstLoad) {
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var onRegionChangeComplete = (region) => {
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this.setState({
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isFirstLoad: false,
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annotations: [{
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longitude: region.longitude,
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latitude: region.latitude,
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title: 'More Info...',
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hasRightCallout: true,
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onRightCalloutPress: () => {
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alert('You Are Here');
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},
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}],
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});
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};
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}
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return (
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<MapView
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style={styles.map}
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onRegionChangeComplete={onRegionChangeComplete}
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region={this.state.mapRegion}
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annotations={this.state.annotations}
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/>
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);
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},
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});
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type CustomPinColorMapViewExampleState = {
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isFirstLoad: boolean,
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annotations?: Annotations,
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mapRegion?: MapRegion,
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};
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var CustomPinColorMapViewExample = React.createClass({
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getInitialState(): CustomPinColorMapViewExampleState {
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return {
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isFirstLoad: true,
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};
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},
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render() {
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if (this.state.isFirstLoad) {
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var onRegionChangeComplete = (region) => {
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this.setState({
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isFirstLoad: false,
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annotations: [{
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longitude: region.longitude,
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latitude: region.latitude,
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title: 'You Are Purple',
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tintColor: MapView.PinColors.PURPLE,
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}],
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});
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};
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}
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return (
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<MapView
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style={styles.map}
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onRegionChangeComplete={onRegionChangeComplete}
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region={this.state.mapRegion}
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annotations={this.state.annotations}
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/>
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);
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},
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});
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type CustomPinImageMapViewExampleState = {
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isFirstLoad: boolean,
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annotations?: Annotations,
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mapRegion?: MapRegion,
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};
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var CustomPinImageMapViewExample = React.createClass({
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getInitialState(): CustomPinImageMapViewExampleState {
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return {
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isFirstLoad: true,
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};
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},
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render() {
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if (this.state.isFirstLoad) {
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var onRegionChangeComplete = (region) => {
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this.setState({
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isFirstLoad: false,
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annotations: [{
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longitude: region.longitude,
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latitude: region.latitude,
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title: 'Thumbs Up!',
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image: require('image!uie_thumb_big'),
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}],
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});
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};
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}
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return (
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<MapView
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style={styles.map}
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onRegionChangeComplete={onRegionChangeComplete}
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region={this.state.mapRegion}
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annotations={this.state.annotations}
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/>
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);
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},
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});
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type Overlays = Array<{
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coordinates?: Array<{
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latitude: number,
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longitude: number,
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}>,
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lineWidth?: number,
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strokeColor?: string,
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fillColor?: string,
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id?: string,
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}>;
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type CustomOverlayMapViewExampleState = {
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isFirstLoad: boolean,
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overlays?: Overlays,
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annotations?: Annotations,
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mapRegion?: MapRegion,
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};
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var CustomOverlayMapViewExample = React.createClass({
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getInitialState(): CustomOverlayMapViewExampleState {
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return {
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isFirstLoad: true,
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};
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},
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render() {
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if (this.state.isFirstLoad) {
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var onRegionChangeComplete = (region) => {
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this.setState({
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isFirstLoad: false,
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overlays: [{
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coordinates:[
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{latitude: 32.47, longitude: -107.85},
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{latitude: 45.13, longitude: -94.48},
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{latitude: 39.27, longitude: -83.25},
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{latitude: 32.47, longitude: -107.85},
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],
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strokeColor: '#f007',
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lineWidth: 3,
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}],
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});
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};
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}
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return (
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<MapView
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style={styles.map}
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onRegionChangeComplete={onRegionChangeComplete}
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region={this.state.mapRegion}
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overlays={this.state.overlays}
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/>
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);
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},
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});
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var styles = StyleSheet.create({
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map: {
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height: 150,
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margin: 10,
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borderWidth: 1,
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borderColor: '#000000',
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},
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row: {
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flexDirection: 'row',
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justifyContent: 'space-between',
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},
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textInput: {
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width: 150,
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height: 20,
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borderWidth: 0.5,
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borderColor: '#aaaaaa',
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fontSize: 13,
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padding: 4,
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},
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changeButton: {
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alignSelf: 'center',
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marginTop: 5,
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padding: 3,
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borderWidth: 0.5,
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borderColor: '#777777',
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},
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});
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exports.displayName = (undefined: ?string);
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exports.title = '<MapView>';
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exports.description = 'Base component to display maps';
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exports.examples = [
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{
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title: 'Map',
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render(): ReactElement { return <MapViewExample />; }
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},
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{
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title: 'Map shows user location',
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render() {
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return <MapView style={styles.map} showsUserLocation={true} />;
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}
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},
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{
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title: 'Callout example',
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render() {
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return <CalloutMapViewExample style={styles.map} />;
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}
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},
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{
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title: 'Custom pin color',
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render() {
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return <CustomPinColorMapViewExample style={styles.map} />;
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}
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},
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{
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title: 'Custom pin image',
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render() {
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return <CustomPinImageMapViewExample style={styles.map} />;
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}
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},
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{
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title: 'Custom overlay',
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render() {
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return <CustomOverlayMapViewExample style={styles.map} />;
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}
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},
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];
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