百度地图

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package bwie.baidumap;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.location.Poi;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
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.MyLocationData;
import com.baidu.mapapi.model.LatLng;
import java.util.List;
public class MainActivity extends AppCompatActivity {
MapView mMapView = null;
public LocationClient mLocationClient = null;
public BDLocationListener myListener = new MyLocationListener();
private BaiduMap mBaiduMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
SDKInitializer.initialize(getApplicationContext());
setContentView(R.layout.activity_main); //获取地图控件引用
mMapView = (MapView) findViewById(R.id.bmapView);
mBaiduMap = mMapView.getMap();
mBaiduMap.setMapStatus(MapStatusUpdateFactory.newMapStatus(new MapStatus.Builder().zoom(15).build()));
mLocationClient = new LocationClient(getApplicationContext());
//声明LocationClient类
mLocationClient.registerLocationListener(myListener);
//注册监听函数
initLocation();
}
private void initLocation() {
LocationClientOption option = new LocationClientOption();
option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);//可选，默认高精度，设置定位模式，高精度，低功耗，仅设备
option.setCoorType("bd09ll");//可选，默认gcj02，设置返回的定位结果坐标系
int span = 100000;
// option.setScanSpan(span);//可选，默认0，即仅定位一次，设置发起定位请求的间隔需要大于等于1000ms才是有效的
option.setIsNeedAddress(true);//可选，设置是否需要地址信息，默认不需要
option.setOpenGps(true);//可选，默认false,设置是否使用gps
option.setLocationNotify(true);//可选，默认false，设置是否当GPS有效时按照1S/1次频率输出GPS结果
option.setIsNeedLocationDescribe(true);//可选，默认false，设置是否需要位置语义化结果，可以在BDLocation.getLocationDescribe里得到，结果类似于“在北京天安门附近”
option.setIsNeedLocationPoiList(true);//可选，默认false，设置是否需要POI结果，可以在BDLocation.getPoiList里得到
option.setIgnoreKillProcess(false);//可选，默认true，定位SDK内部是一个SERVICE，并放到了独立进程，设置是否在stop的时候杀死这个进程，默认不杀死
option.SetIgnoreCacheException(false);//可选，默认false，设置是否收集CRASH信息，默认收集
option.setEnableSimulateGps(false);//可选，默认false，设置是否需要过滤GPS仿真结果，默认需要
mLocationClient.setLocOption(option);
}
public void qiehuan(View view) {
mBaiduMap.setMapType(BaiduMap.MAP_TYPE_SATELLITE);
}
public void putong(View view) {
mBaiduMap.setMapType(BaiduMap.MAP_TYPE_NORMAL);
}
public void dingwei(View view) {
mLocationClient.start();
}
@Override
protected void onDestroy() {
super.onDestroy();
//在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理
mMapView.onDestroy();
}
@Override
protected void onResume() {
super.onResume();
//在activity执行onResume时执行mMapView. onResume ()，实现地图生命周期管理
mMapView.onResume();
}
@Override
protected void onPause() {
super.onPause();
//在activity执行onPause时执行mMapView. onPause ()，实现地图生命周期管理
mMapView.onPause();
}
Handler handler = new Handler() {
private double mCurrentLongitude;
private double mCurrentLantitude;
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
BDLocation location = (BDLocation) msg.obj;
// 开启定位图层
mBaiduMap.setMyLocationEnabled(true);
// 构造定位数据
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
mBaiduMap.setMyLocationData(locData);
mCurrentLantitude = location.getLatitude();
mCurrentLongitude = location.getLongitude();
LatLng point = new LatLng(mCurrentLantitude, mCurrentLongitude);
MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(point);
mBaiduMap.animateMapStatus(u);
Toast.makeText(MainActivity.this,location.getAddrStr(),Toast.LENGTH_SHORT).show();
mLocationClient.stop();
}
};
public class MyLocationListener implements BDLocationListener {
@Override
public void onReceiveLocation(BDLocation location) {
Message msg = new Message();
msg.obj = location;
handler.sendMessage(msg);
//Receive Location
StringBuffer sb = new StringBuffer(256);
sb.append("time : ");
sb.append(location.getTime());
sb.append("nerror code : ");
sb.append(location.getLocType());
sb.append("nlatitude : ");
sb.append(location.getLatitude());
sb.append("nlontitude : ");
sb.append(location.getLongitude());
sb.append("nradius : ");
sb.append(location.getRadius());
if (location.getLocType() == BDLocation.TypeGpsLocation) {// GPS定位结果
sb.append("nspeed : ");
sb.append(location.getSpeed());// 单位：公里每小时
sb.append("nsatellite : ");
sb.append(location.getSatelliteNumber());
sb.append("nheight : ");
sb.append(location.getAltitude());// 单位：米
sb.append("ndirection : ");
sb.append(location.getDirection());// 单位度
sb.append("naddr : ");
sb.append(location.getAddrStr());
sb.append("ndescribe : ");
sb.append("gps定位成功");
} else if (location.getLocType() == BDLocation.TypeNetWorkLocation) {// 网络定位结果
sb.append("naddr : ");
sb.append(location.getAddrStr());
//运营商信息
sb.append("noperationers : ");
sb.append(location.getOperators());
sb.append("ndescribe : ");
sb.append("网络定位成功");
} else if (location.getLocType() == BDLocation.TypeOffLineLocation) {// 离线定位结果
sb.append("ndescribe : ");
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("ndescribe : ");
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loc-bugs@baidu.com，会有人追查原因");
} else if (location.getLocType() == BDLocation.TypeNetWorkException) {
sb.append("ndescribe : ");
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("ndescribe : ");
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("nlocationdescribe : ");
sb.append(location.getLocationDescribe());// 位置语义化信息
List<Poi> list = location.getPoiList();// POI数据
if (list != null) {
sb.append("npoilist size = : ");
sb.append(list.size());
for (Poi p : list) {
sb.append("npoi= : ");
sb.append(p.getId() + " " + p.getName() + " " + p.getRank());
}
}
Log.e("BaiduLocationApiDem", sb.toString());
}
}
}