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Fit to supplied markers (react-native-maps#386)
* Added support for zooming the map to specific markers * Moved list creation outside of a loop in Android. Updated documentation for fitToSuppliedMarkers * Tidied up the fitToSuppliedMarkers example * Updated Android gif in the readme
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| var React = require('react'); | ||
| var ReactNative = require('react-native'); | ||
| var { | ||
| StyleSheet, | ||
| PropTypes, | ||
| View, | ||
| Text, | ||
| Dimensions, | ||
| TouchableOpacity, | ||
| Image, | ||
| } = ReactNative; | ||
|
|
||
| var MapView = require('react-native-maps'); | ||
| var PriceMarker = require('./PriceMarker'); | ||
|
|
||
| var { width, height } = Dimensions.get('window'); | ||
|
|
||
| const ASPECT_RATIO = width / height; | ||
| const LATITUDE = 37.78825; | ||
| const LONGITUDE = -122.4324; | ||
| const LATITUDE_DELTA = 0.0922; | ||
| const LONGITUDE_DELTA = LATITUDE_DELTA * ASPECT_RATIO; | ||
| const SPACE = 0.01; | ||
|
|
||
| var markerIDs = ['Marker1', 'Marker2', 'Marker3', 'Marker4', 'Marker5']; | ||
| var timeout = 4000; | ||
| var animationTimeout; | ||
|
|
||
| var FocusOnMarkers = React.createClass({ | ||
| getInitialState() { | ||
| return { | ||
| a: { | ||
| latitude: LATITUDE + SPACE, | ||
| longitude: LONGITUDE + SPACE, | ||
| }, | ||
| b: { | ||
| latitude: LATITUDE - SPACE, | ||
| longitude: LONGITUDE - SPACE, | ||
| }, | ||
| c: { | ||
| latitude: LATITUDE - (SPACE * 2), | ||
| longitude: LONGITUDE - (SPACE * 2), | ||
| }, | ||
| d: { | ||
| latitude: LATITUDE - (SPACE * 3), | ||
| longitude: LONGITUDE - (SPACE * 3), | ||
| }, | ||
| e: { | ||
| latitude: LATITUDE - (SPACE * 4), | ||
| longitude: LONGITUDE - (SPACE * 4), | ||
| }, | ||
| } | ||
| }, | ||
| focusMap(markers, animated) { | ||
| console.log("Markers received to populate map: " + markers); | ||
| this.refs.map.fitToSuppliedMarkers(markers, animated); | ||
| }, | ||
| focus1() { | ||
| animationTimeout = setTimeout(() => { | ||
| this.focusMap([ | ||
| markerIDs[1], | ||
| markerIDs[4] | ||
| ], true); | ||
|
|
||
| this.focus2(); | ||
| }, timeout); | ||
| }, | ||
| focus2() { | ||
| animationTimeout = setTimeout(() => { | ||
| this.focusMap([ | ||
| markerIDs[2], | ||
| markerIDs[3] | ||
| ], false); | ||
|
|
||
| this.focus3() | ||
| }, timeout); | ||
| }, | ||
| focus3() { | ||
| animationTimeout = setTimeout(() => { | ||
| this.focusMap([ | ||
| markerIDs[1], | ||
| markerIDs[2] | ||
| ], false); | ||
|
|
||
| this.focus4(); | ||
| }, timeout); | ||
| }, | ||
| focus4() { | ||
| animationTimeout = setTimeout(() => { | ||
| this.focusMap([ | ||
| markerIDs[0], | ||
| markerIDs[3] | ||
| ], true); | ||
|
|
||
| this.focus1(); | ||
| }, timeout) | ||
| }, | ||
| componentDidMount() { | ||
| animationTimeout = setTimeout(() => { | ||
| this.focus1(); | ||
| }, timeout) | ||
| }, | ||
| componentWillUnmount() { | ||
| if (animationTimeout) { | ||
| clearTimeout(animationTimeout); | ||
| } | ||
| }, | ||
| render() { | ||
| return ( | ||
| <View style={styles.container}> | ||
| <MapView | ||
| ref="map" | ||
| style={styles.map} | ||
| initialRegion={{ | ||
| latitude: LATITUDE, | ||
| longitude: LONGITUDE, | ||
| latitudeDelta: LATITUDE_DELTA, | ||
| longitudeDelta: LONGITUDE_DELTA, | ||
| }} | ||
| > | ||
| <MapView.Marker | ||
| identifier={'Marker1'} | ||
| coordinate={this.state.a} | ||
| /> | ||
| <MapView.Marker | ||
| identifier={'Marker2'} | ||
| coordinate={this.state.b} | ||
| /> | ||
| <MapView.Marker | ||
| identifier={'Marker3'} | ||
| coordinate={this.state.c} | ||
| /> | ||
| <MapView.Marker | ||
| identifier={'Marker4'} | ||
| coordinate={this.state.d} | ||
| /> | ||
| <MapView.Marker | ||
| identifier={'Marker5'} | ||
| coordinate={this.state.e} | ||
| /> | ||
| </MapView> | ||
| </View> | ||
| ); | ||
| }, | ||
| }); | ||
|
|
||
| var styles = StyleSheet.create({ | ||
| container: { | ||
| position: 'absolute', | ||
| top: 0, | ||
| left: 0, | ||
| right: 0, | ||
| bottom: 0, | ||
| justifyContent: 'flex-end', | ||
| alignItems: 'center', | ||
| }, | ||
| map: { | ||
| position: 'absolute', | ||
| top: 0, | ||
| left: 0, | ||
| right: 0, | ||
| bottom: 0, | ||
| }, | ||
| }); | ||
|
|
||
| module.exports = FocusOnMarkers; |
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