百度地图定位
//布局文件
android:id="@+id/bmapView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clickable="true"
/>
android:id="@+id/tv_location"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="位置：你去哪儿了"
android:layout_centerInParent="true"/> public class Second extends AppCompatActivity { private TextView text ; private MapView mapView ; private BaiduMap baiduMap ; Boolean isFirstLoc= true; public LocationClient mLocationClient = null; public BDLocationListener myListener = new MyLocationListener() ; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState) ; SDKInitializer. initialize(getApplicationContext()) ; setContentView(R.layout. first) ; mapView = (MapView) findViewById(R.id. bmapView) ; text = (TextView) findViewById(R.id. tv_location) ; //获取地图 baiduMap = mapView.getMap() ; //开启定位图层 baiduMap.setMyLocationEnabled( true) ; mLocationClient = new LocationClient(getApplicationContext()) ; //注册监听函数 mLocationClient.registerLocationListener( myListener) ; initLocation() ; mLocationClient.start() ; } public class MyLocationListener implements BDLocationListener { @Override public void onReceiveLocation(BDLocation location) { //获取定位结果 StringBuffer sb = new StringBuffer( 256) ; sb.append( "time : ") ; sb.append(location.getTime()) ; //获取定位时间 sb.append( " \n error code : ") ; sb.append(location.getLocType()) ; //获取类型类型 sb.append( " \n latitude : ") ; sb.append(location.getLatitude()) ; //获取纬度信息 sb.append( " \n lontitude : ") ; sb.append(location.getLongitude()) ; //获取经度信息 sb.append( " \n radius : ") ; sb.append(location.getRadius()) ; //获取定位精准度 //---------------------将地图跟定位关联起来---------------------------------------- MyLocationData 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( 100).latitude(location.getLatitude()) .longitude(location.getLongitude()).build() ; // 设置定位数据 baiduMap.setMyLocationData(locData) ; if ( isFirstLoc) { isFirstLoc = false; LatLng ll = new LatLng(location.getLatitude() , location.getLongitude()) ; MapStatus.Builder builder = new MapStatus.Builder() ; builder.target(ll).zoom( 18.0f) ; baiduMap.animateMapStatus(MapStatusUpdateFactory. newMapStatus(builder.build())) ; } //---------------------将地图跟定位关联起来---------------------------------------- if (location.getLocType() == BDLocation. TypeGpsLocation) { // GPS定位结果 sb.append( " \n speed : ") ; sb.append(location.getSpeed()) ; // 单位：公里每小时 sb.append( " \n satellite : ") ; sb.append(location.getSatelliteNumber()) ; //获取卫星数 sb.append( " \n height : ") ; sb.append(location.getAltitude()) ; //获取海拔高度信息，单位米 sb.append( " \n direction : ") ; sb.append(location.getDirection()) ; //获取方向信息，单位度 sb.append( " \n addr : ") ; sb.append(location.getAddrStr()) ; //获取地址信息 sb.append( " \n describe : ") ; sb.append( "gps定位成功") ; } else if (location.getLocType() == BDLocation. TypeNetWorkLocation) { // 网络定位结果 sb.append( " \n addr : ") ; sb.append(location.getAddrStr()) ; //获取地址信息 sb.append( " \n operationers : ") ; sb.append(location.getOperators()) ; //获取运营商信息 sb.append( " \n describe : ") ; sb.append( "网络定位成功") ; } else if (location.getLocType() == BDLocation. TypeOffLineLocation) { // 离线定位结果 sb.append( " \n describe : ") ; sb.append( "离线定位成功，离线定位结果也是有效的") ; } else if (location.getLocType() == BDLocation. TypeServerError) { sb.append( " \n describe : ") ; sb.append( "服务端网络定位失败，可以反馈IMEI号和大体定位时间到[email protected]，会有人追查原因") ; } else if (location.getLocType() == BDLocation. TypeNetWorkException) { sb.append( " \n describe : ") ; sb.append( "网络不同导致定位失败，请检查网络是否通畅") ; } else if (location.getLocType() == BDLocation. TypeCriteriaException) { sb.append( " \n describe : ") ; sb.append( "无法获取有效定位依据导致定位失败，一般是由于手机的原因，处于飞行模式下一般会造成这种结果，可以试着重启手机") ; } sb.append( " \n locationdescribe : ") ; sb.append(location.getLocationDescribe()) ; //位置语义化信息 final List