android 百度地图定位开发2

packagecom.bawei.baidumap;

importandroid.app.Activity;
importandroid.os.Bundle;
importandroid.view.Menu;
importandroid.widget.Toast;

importcom.baidu.location.BDLocation;
importcom.baidu.location.BDLocationListener;
importcom.baidu.location.LocationClient;
importcom.baidu.location.LocationClientOption;
importcom.baidu.mapapi.SDKInitializer;
importcom.baidu.mapapi.map.BaiduMap;
importcom.baidu.mapapi.map.BitmapDescriptor;
importcom.baidu.mapapi.map.BitmapDescriptorFactory;
importcom.baidu.mapapi.map.MapStatus;
importcom.baidu.mapapi.map.MapStatusUpdateFactory;
importcom.baidu.mapapi.map.MapView;
importcom.baidu.mapapi.map.MarkerOptions;
importcom.baidu.mapapi.map.MyLocationData;
importcom.baidu.mapapi.map.OverlayOptions;
importcom.baidu.mapapi.model.LatLng;

publicclassMainActivityextendsActivity{

privateMapViewmMapView;
privateBaiduMapmBaiduMap;
privateLocationClientmLocClient;
publicMyLocationListennermyListener=newMyLocationListenner();
booleanisFirstLoc=true;//是否首次定位
@Override
protectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);

//在使用SDK各组件之前初始化context信息，传入ApplicationContext
//注意该方法要再setContentView方法之前实现
SDKInitializer.initialize(getApplicationContext());

setContentView(R.layout.activity_main);
//地图初始化
mMapView=(MapView)findViewById(R.id.bmapView);
mBaiduMap=mMapView.getMap();
/*//实时交通图
//开启交通图
mBaiduMap.setTrafficEnabled(true);

//百度城市热力图
mMapView=(MapView)findViewById(R.id.bmapView);
mBaiduMap=mMapView.getMap();
//开启交通图
mBaiduMap.setBaiduHeatMapEnabled(true);

//地图标注
//定义Maker坐标点
LatLngpoint=newLatLng(39.963175,116.400244);
//构建Marker图标
BitmapDescriptorbitmap=BitmapDescriptorFactory
.fromResource(R.drawable.icon_marka);
//构建MarkerOption，用于在地图上添加Marker
OverlayOptionsoption1=newMarkerOptions()
.position(point)
.icon(bitmap);
//在地图上添加Marker，并显示
mBaiduMap.addOverlay(option1);*/

/*
*
*百度定位
*
*
*/

//开启定位图层
mBaiduMap.setMyLocationEnabled(true);
//定位初始化
mLocClient=newLocationClient(this);
//注册定位的监听
mLocClient.registerLocationListener(myListener);
//
LocationClientOptionoption=newLocationClientOption();
option.setOpenGps(true);//打开gps
option.setCoorType("bd09ll");//设置坐标类型
option.setPriority(LocationClientOption.NetWorkFirst);//设置定位优先级网络优先
//判断是否需要定位当前地址
option.setIsNeedAddress(true);
//定位间隔时间
option.setScanSpan(1000);
//
mLocClient.setLocOption(option);
//开始定位
mLocClient.start();

}
classMyLocationListennerimplementsBDLocationListener{

publicvoidonReceiveLocation(BDLocationarg0){
//TODOAuto-generatedmethodstub
//吐司
Toast.makeText(MainActivity.this,"经度"+arg0.getLongitude()+"纬度"+arg0.getLatitude()+"地址"+arg0.getAddrStr()+"街道"+arg0.getStreet()+"时间"+arg0.getTime(),0).show();
//定义Maker坐标点
LatLngpoint=newLatLng(arg0.getLatitude(),arg0.getLongitude());
//构建Marker图标
BitmapDescriptorbitmap=BitmapDescriptorFactory
.fromResource(R.drawable.icon_marka);
//构建MarkerOption，用于在地图上添加Marker
OverlayOptionsoption2=newMarkerOptions()
.position(point)
.icon(bitmap);
//在地图上添加Marker，并显示
mBaiduMap.addOverlay(option2);

//mapview销毁后不在处理新接收的位置
if(arg0==null||mMapView==null){
return;
}
//画出定位的区域
MyLocationDatalocData=newMyLocationData.Builder()
.accuracy(arg0.getRadius())
//此处设置开发者获取到的方向信息，顺时针0-360
//方圆100米
.direction(100).latitude(arg0.getLatitude())
.longitude(arg0.getLongitude()).build();
mBaiduMap.setMyLocationData(locData);
if(isFirstLoc){
//判断是否首次定位
isFirstLoc=false;
//定位当前所在位置
LatLngll=newLatLng(arg0.getLatitude(),arg0.getLongitude());
MapStatus.Builderbuilder=newMapStatus.Builder();
//放大18倍
builder.target(ll).zoom(18.0f);
mBaiduMap.animateMapStatus(MapStatusUpdateFactory.newMapStatus(builder.build()));
}
}

}

@Override
protectedvoidonPause(){
//在activity执行onPause时执行mMapView.onPause()，实现地图生命周期管理
mMapView.onPause();
super.onPause();
}

@Override
protectedvoidonResume(){
//在activity执行onResume时执行mMapView.onResume()，实现地图生命周期管理
mMapView.onResume();
super.onResume();
}

@Override
protectedvoidonDestroy(){
//退出时销毁定位
mLocClient.stop();
//关闭定位图层
mBaiduMap.setMyLocationEnabled(false);
//在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理
mMapView.onDestroy();
mMapView=null;
super.onDestroy();
}
}