React Native Mapbox GL

码农软件 · 软件分类 · 手机开发包 · 2019-05-05 15:26:42

软件介绍

React Native Mapbox GL 是绑定 Mapbox GL 地图的 React Native 组件。

安装:

npm install react-native-mapbox-gl --save

示例:

'use strict';
var React = require('react-native');
var MapboxGLMap = require('react-native-mapbox-gl');
var mapRef = 'mapRef';
var {
  AppRegistry,
  StyleSheet,
  View,
  Text,
  StatusBarIOS,
} = React;
var map = React.createClass({
  mixins: [MapboxGLMap.Mixin],
  getInitialState() {
    return {
      mapLocation: {
        latitude: 0,
        longitude: 0
       },
       center: {
         latitude: 40.72052634,
         longitude: -73.97686958312988
       },
       zoom: 11,
       direction: 40,
       annotations: [{
         latitude: 40.72052634,
         longitude:  -73.97686958312988,
         title: 'This is marker 1',
       },{
         latitude: 40.714541341726175,
         longitude:  -74.00579452514648,
         subtitle: 'Neat, this is a subtitle'
       }]
     }
  },
  onChange(e) {
    this.setState({ currentZoom: e.zoom });
  },
  onUpdateUserLocation(location) {
    console.log(location)
  },
  onOpenAnnotation(annotation) {
    console.log(annotation)
  },
  render: function() {
    StatusBarIOS.setHidden(true);
    return (
      <View style={styles.container}>
       <Text style={styles.text} onPress={() => this.setDirectionAnimated(mapRef, 0)}>
         Set direction to 0
       </Text>
       <Text style={styles.text} onPress={() => this.setZoomLevelAnimated(mapRef, 6)}>
        Zoom out to zoom level 6
      </Text>
       <Text style={styles.text} onPress={() => this.setCenterCoordinateAnimated(mapRef, 48.8589, 2.3447)}>
        Go to Paris at current zoom level {parseInt(this.state.currentZoom)}
      </Text>
      <Text style={styles.text} onPress={() => this.setCenterCoordinateZoomLevelAnimated(mapRef, 35.68829, 139.77492, 14)}>
       Go to Tokyo at fixed zoom level 14
     </Text>
     <Text style={styles.text} onPress={() => this.addAnnotations(mapRef, [{
       latitude: 40.73312,
       longitude:  -73.989,
       title: 'This is a new marker',
     }])}>
      Add new marker
    </Text>
       <MapboxGLMap
         style={styles.map}
         direction={10}
         rotateEnabled={true}
         showsUserLocation={true}
         ref={mapRef}
         accessToken={'your-mapbox.com-access-token'}
         styleURL={'asset://styles/mapbox-streets-v7.json'}
         centerCoordinate={this.state.center}
         userLocationVisible={true}
         zoomLevel={this.state.zoom}
         onRegionChange={this.onChange}
         annotations={this.state.annotations}
         onOpenAnnotation={this.onOpenAnnotation}
         onUpdateUserLocation={this.onUpdateUserLocation}/>
      </View>
    );
  }
});
var styles = StyleSheet.create({
  container: {
    flexDirection: 'column',
    flex: 1
  },
  map: {
    flex:5,
  },
  text: {
    padding: 2
  }
});
AppRegistry.registerComponent('yourProjectName', () => map);


本文地址:https://www.codercto.com/soft/d/5082.html

Iterative Methods for Sparse Linear Systems, Second Edition

Iterative Methods for Sparse Linear Systems, Second Edition

Yousef Saad / Society for Industrial and Applied Mathematics / 2003-04-30 / USD 102.00

Tremendous progress has been made in the scientific and engineering disciplines regarding the use of iterative methods for linear systems. The size and complexity of linear and nonlinear systems arisi......一起来看看 《Iterative Methods for Sparse Linear Systems, Second Edition》 这本书的介绍吧!

XML、JSON 在线转换
XML、JSON 在线转换

在线XML、JSON转换工具

html转js在线工具
html转js在线工具

html转js在线工具

RGB HSV 转换
RGB HSV 转换

RGB HSV 互转工具