473 lines
11 KiB
JavaScript
473 lines
11 KiB
JavaScript
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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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');
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var ReactNative = require('react-native');
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var { PropTypes } = React;
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var {
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Image,
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MapView,
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StyleSheet,
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Text,
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TextInput,
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TouchableOpacity,
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View,
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} = ReactNative;
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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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var MapRegionInput = React.createClass({
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propTypes: {
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region: PropTypes.shape({
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latitude: PropTypes.number.isRequired,
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longitude: PropTypes.number.isRequired,
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latitudeDelta: PropTypes.number,
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longitudeDelta: PropTypes.number,
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}),
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onChange: PropTypes.func.isRequired,
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},
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getInitialState() {
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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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}
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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={
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region.latitudeDelta == null ? '' : String(region.latitudeDelta)
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}
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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={
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region.longitudeDelta == null ? '' : String(region.longitudeDelta)
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}
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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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class MapViewExample extends React.Component {
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state = {
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isFirstLoad: true,
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mapRegion: undefined,
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mapRegionInput: undefined,
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annotations: [],
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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) => {
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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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class AnnotationExample extends React.Component {
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state = {
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isFirstLoad: true,
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annotations: [],
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mapRegion: undefined,
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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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...this.props.annotation,
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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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showsAnnotationCallouts={this.props.showsAnnotationCallouts}
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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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class DraggableAnnotationExample extends React.Component {
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state = {
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isFirstLoad: true,
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annotations: [],
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mapRegion: undefined,
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};
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createAnnotation = (longitude, latitude) => {
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return {
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longitude,
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latitude,
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draggable: true,
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onDragStateChange: (event) => {
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if (event.state === 'idle') {
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this.setState({
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annotations: [this.createAnnotation(event.longitude, event.latitude)],
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});
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}
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console.log('Drag state: ' + event.state);
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},
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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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//When the MapView loads for the first time, we can create the annotation at the
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//region that was loaded.
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this.setState({
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isFirstLoad: false,
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annotations: [this.createAnnotation(region.longitude, region.latitude)],
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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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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() {
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return <MapViewExample />;
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}
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},
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{
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title: 'showsUserLocation + followUserLocation',
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render() {
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return (
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<MapView
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style={styles.map}
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showsUserLocation={true}
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followUserLocation={true}
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/>
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);
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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 <AnnotationExample style={styles.map} annotation={{
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title: 'More Info...',
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rightCalloutView: (
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<TouchableOpacity
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onPress={() => {
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alert('You Are Here');
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}}>
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<Image
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style={{width:30, height:30}}
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source={require('./uie_thumb_selected.png')}
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/>
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</TouchableOpacity>
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),
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}}/>;
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}
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},
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{
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title: 'Show callouts by default example',
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render() {
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return <AnnotationExample
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style={styles.map}
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annotation={{
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title: 'More Info...',
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rightCalloutView: (
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<TouchableOpacity
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onPress={() => {
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alert('You Are Here');
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}}>
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<Image
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style={{width:30, height:30}}
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source={require('./uie_thumb_selected.png')}
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/>
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</TouchableOpacity>
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),
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}}
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showsAnnotationCallouts={true}
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/>;
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}
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},
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{
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title: 'Annotation focus example',
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render() {
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return <AnnotationExample style={styles.map} annotation={{
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title: 'More Info...',
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onFocus: () => {
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alert('Annotation gets focus');
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},
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onBlur: () => {
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alert('Annotation lost focus');
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}
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}}/>;
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}
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},
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{
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title: 'Draggable pin',
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render() {
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return <DraggableAnnotationExample/>;
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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 <AnnotationExample style={styles.map} annotation={{
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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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title: 'Custom pin image',
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render() {
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return <AnnotationExample style={styles.map} annotation={{
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title: 'Thumbs Up!',
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image: require('./uie_thumb_big.png'),
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}}/>;
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}
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},
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{
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title: 'Custom pin view',
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render() {
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return <AnnotationExample style={styles.map} annotation={{
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title: 'Thumbs Up!',
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view: <View style={{
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alignItems: 'center',
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}}>
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<Text style={{fontWeight: 'bold', color: '#f007'}}>
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Thumbs Up!
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</Text>
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<Image
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style={{width: 90, height: 65, resizeMode: 'cover'}}
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source={require('./uie_thumb_big.png')}
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/>
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</View>,
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}}/>;
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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 <MapView
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style={styles.map}
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region={{
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latitude: 39.06,
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longitude: -95.22,
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}}
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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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];
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