百度定位开发,获取经纬度并自定义定位点图标

    xiaoxiao2022-07-04  100

    百度定位开发,获取经纬度并自定义定位点图标 

    package com.example.testbaidu; import android.Manifest; import android.os.Build; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; import com.baidu.location.BDAbstractLocationListener; import com.baidu.location.BDLocation; import com.baidu.location.BDLocationListener; import com.baidu.location.LocationClient; import com.baidu.location.LocationClientOption; import com.baidu.mapapi.SDKInitializer; import com.baidu.mapapi.map.BaiduMap; import com.baidu.mapapi.map.BitmapDescriptor; import com.baidu.mapapi.map.BitmapDescriptorFactory; import com.baidu.mapapi.map.MapStatus; import com.baidu.mapapi.map.MapStatusUpdate; import com.baidu.mapapi.map.MapStatusUpdateFactory; import com.baidu.mapapi.map.MapView; import com.baidu.mapapi.map.MarkerOptions; import com.baidu.mapapi.map.MyLocationConfiguration; import com.baidu.mapapi.map.MyLocationData; import com.baidu.mapapi.map.OverlayOptions; import com.baidu.mapapi.map.TextOptions; import com.baidu.mapapi.model.LatLng; public class MainActivity extends AppCompatActivity { private BaiduMap baiduMap; // 定位相关 LocationClient mLocClient; //---------------first声明 MapView mMapView; BaiduMap mBaiduMap; private MyLocationConfiguration.LocationMode mCurrentMode; public MyLocationListenner myListener = new MyLocationListenner(); MyLocationData locData ; BitmapDescriptor mCurrentMarker; boolean isFirstLoc = true;// 是否首次定位 @RequiresApi(api = Build.VERSION_CODES.M) @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); SDKInitializer.initialize(getApplicationContext()); setContentView(R.layout.activity_main); // MapView mapView=findViewById(R.id.map); // baiduMap = mapView.getMap(); requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION}, 1); // MyLocation location = new MyLocation(); // LocationClient client = new LocationClient(this); // client.registerLocationListener(location); // LocationClientOption option = new LocationClientOption(); // option.setOpenGps(true); // option.setCoorType("bd0911"); // option.setScanSpan(1000); // client.setLocOption(option); // client.start(); // } // // class MyLocation extends BDAbstractLocationListener { // @Override // public void onReceiveLocation(BDLocation bdLocation) { // double latitude = bdLocation.getLatitude(); // double longitude = bdLocation.getLongitude(); // Log.i("hh", longitude + " " + latitude); // LatLng point=new LatLng(latitude,longitude); // // MyLocationConfiguration.LocationMode mCurrentMode = MyLocationConfiguration.LocationMode.NORMAL; // // BitmapDescriptor mCurrentMarker = BitmapDescriptorFactory.fromResource(R.drawable.icon_map_gcoding); // BitmapDescriptor bitmap = BitmapDescriptorFactory.fromResource(R.drawable.hza); // OverlayOptions o1=new TextOptions().text("家乡").fontSize(50).position(point); // OverlayOptions o2=new MarkerOptions() // .position(point) // .icon(bitmap)//perspective透视效果设置 // .perspective(true).animateType(MarkerOptions.MarkerAnimateType.jump); // // baiduMap.setMyLocationConfiguration(new MyLocationConfiguration(mCurrentMode, false, bitmap)); // baiduMap.addOverlay(o1); // baiduMap.addOverlay(o2); // //MapStatus mMapStatus = new MapStatus.Builder().target(point).zoom(20).build();//zoom设置地图缩放级别 // /** // * 将定位到的地方移到地图中央 // */ // MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(point); // baiduMap.setMapStatus(msu);// 设置地图放大缩小参数 // baiduMap.animateMapStatus(msu); // } // } mCurrentMode = MyLocationConfiguration.LocationMode.FOLLOWING; // 1 地图初始化 mMapView = findViewById(R.id.map);//经度120.219375,纬度30.259244 杭州 //mMapView = new MapView(this); //mMapView.refreshDrawableState(); System.out.println("初始化成功啦,哈哈!"); mBaiduMap = mMapView.getMap(); // 2 开启定位图层 mBaiduMap.setMyLocationEnabled(true); mBaiduMap.setMyLocationConfigeration(new MyLocationConfiguration( mCurrentMode, true, mCurrentMarker)); // 3 定位初始化 mLocClient = new LocationClient(this); mLocClient.registerLocationListener(myListener); //---------------first注册定位监听 LocationClientOption option = new LocationClientOption(); option.setOpenGps(true);// 打开gps option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy); option.setCoorType("bd09ll"); // 设置坐标类型 option.setScanSpan(3000); option.setIsNeedAddress(true); mLocClient.setLocOption(option); //---------------first设置locationoption mLocClient.start(); //---------------first启动sdk定位 mLocClient.requestLocation(); } /** * 定位SDK监听函数 */ public class MyLocationListenner implements BDLocationListener { @Override public void onReceiveLocation(BDLocation location) { // map view 销毁后不在处理新接收的位置 if (location == null || mMapView == null) return; locData= new MyLocationData.Builder() .accuracy(location.getRadius()) // 此处设置开发者获取到的方向信息,顺时针0-360 .direction(location.getDirection()).latitude(location.getLatitude()) .longitude(location.getLongitude()).build(); System.out.println("location.lat"+location.getLatitude()+"&&&&&&&&"+"location.long"+location.getLongitude()); //构建Marker图标 BitmapDescriptor bitmap = BitmapDescriptorFactory .fromResource(R.mipmap.hza);//此处设置自己的图标即可 //构建MarkerOption,用于在地图上添加Marker OverlayOptions option = new MarkerOptions() .position(new LatLng(location.getLatitude(),location.getLongitude())) .icon(bitmap); //在地图上添加Marker,并显示 mBaiduMap.addOverlay(option); mBaiduMap.setMyLocationEnabled(true); //------1允许定位图层 mBaiduMap.setMyLocationData(locData); //------2允许定位图层后在设置定位数据 LatLng ll = new LatLng(location.getLatitude(), location.getLongitude()); MapStatusUpdate u = MapStatusUpdateFactory.newLatLngZoom(ll,19); mBaiduMap.animateMapStatus(u); if (isFirstLoc) { isFirstLoc = false; // 设置地图缩放比例:17级100米 MapStatusUpdate ms = MapStatusUpdateFactory.newLatLngZoom(ll,19); System.out.println("33333333333333333"); mBaiduMap.setMapStatus(ms); } } } @Override protected void onPause() { mMapView.onPause(); super.onPause(); } @Override protected void onResume() { mMapView.onResume(); super.onResume(); } @Override protected void onDestroy() { mLocClient.unRegisterLocationListener(myListener); // 退出时销毁定位 mLocClient.stop(); // 关闭定位图层 mBaiduMap.setMyLocationEnabled(false); mMapView.onDestroy(); mMapView = null; super.onDestroy(); } }

     

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