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react-native-cyamap

v1.0.6

Published

react-native 高德地图组件,支持 Android + iOS

Downloads

11

Readme

react-native-amap3d

注意:该项目目前只维护,不加新功能。

react-native 高德地图组件,使用最新 3D SDK,支持 Android + iOS,受 react-native-maps 启发,提供功能丰富且易用的接口。

相关项目推荐:

功能

  • 地图模式切换(常规、卫星、导航、夜间)
  • 3D 建筑、路况、室内地图
  • 内置地图控件的显示隐藏(指南针、比例尺、定位按钮、缩放按钮)
  • 手势交互控制(平移、缩放、旋转、倾斜)
  • 中心坐标、缩放级别、倾斜度的设置,支持动画过渡
  • 地图事件(onPress、onLongPress、onLocation、onCameraMove、onCameraIdle 等)
  • 地图标记(Marker)
  • 折线绘制(Polyline)
  • 多边形绘制(Polygon)
  • 圆形绘制(Circle)
  • 热力图(HeatMap)
  • 海量点(MultiPoint)
  • 点聚合(Cluster)

接口文档

https://qiuxiang.github.io/react-native-amap3d/api/

安装

npm i react-native-amap3d

添加高德 API Key

首先你需要获取高德地图 API Key:

然后你需要在显示地图前调用接口设置 API key:

import { AMapSdk } from "react-native-amap3d";
import { Platform } from "react-native";

AMapSdk.init(
  Platform.select({
    android: "c52c7169e6df23490e3114330098aaac",
    ios: "186d3464209b74effa4d8391f441f14d",
  })
);

用法

显示地图

import { MapView, MapType } from "react-native-amap3d";

<MapView
  mapType={MapType.Satellite}
  initialCameraPosition={{
    target: {
      latitude: 39.91095,
      longitude: 116.37296,
    },
    zoom: 8,
  }}
/>;

监听地图事件

import { MapView } from "react-native-amap3d";

<MapView
  onLoad={() => console.log("onLoad")}
  onPress={({ nativeEvent }) => console.log(nativeEvent)}
  onCameraIdle={({ nativeEvent }) => console.log(nativeEvent)}
/>;

添加标记

其中 icon 支持 ImageSource

同时支持 children 作为标记图标。

import { MapView, Marker } from "react-native-amap3d";

<MapView>
  <Marker
    position={{ latitude: 39.806901, longitude: 116.397972 }}
    icon={require("../images/flag.png")}
    onPress={() => alert("onPress")}
  />
  <Marker
    position={{ latitude: 39.806901, longitude: 116.297972 }}
    icon={{
      uri: "https://reactnative.dev/img/pwa/manifest-icon-512.png",
      width: 64,
      height: 64,
    }}
  />
  <Marker position={{ latitude: 39.906901, longitude: 116.397972 }}>
    <Text
      style={{
        color: "#fff",
        backgroundColor: "#009688",
        alignItems: "center",
        borderRadius: 5,
        padding: 5,
      }}
    >
      {new Date().toLocaleString()}
    </Text>
  </Marker>
</MapView>;

点聚合

Marker 数量过多(尤其是使用自定义 View 的情况下)会导致性能问题,而且显示过于密集,这时候可以用点聚合改善。

import { Cluster, MapView, Marker } from "react-native-amap3d";

const markers = Array(1000)
  .fill(0)
  .map((_, i) => ({
    position: { latitude: 39.5 + Math.random(), longitude: 116 + Math.random() },
    properties: { key: `Marker${i}` },
  }));

<MapView
  ref={(ref) => (this.mapView = ref)}
  onLoad={() => this.mapView?.moveCamera({ zoom: 8 }, 100)}
  onCameraIdle={({ nativeEvent }) => {
    this.status = nativeEvent;
    this.cluster?.update(nativeEvent);
  }}
>
  <Cluster
    ref={(ref) => (this.cluster = ref)}
    points={markers}
    renderMarker={(item) => (
      <Marker
        key={item.properties.key}
        icon={require("../images/flag.png")}
        position={item.position}
      />
    )}
  />
</MapView>;

更多示例

参考 example

常见问题

  • 尽量使用真实设备进行测试,在模拟器可能存在一些问题(常见的是 Android 模拟器因为缺少 GPU 加速而导致闪退)。
  • onLocation 没有返回定位数据通常是因为 key 不正确,或没有申请 PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION 权限