ActLocation.java

package my.project.washingcar.activity;

import my.project.washingcar.R;
import my.project.washingcar.view.HeaderView;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationConfigeration;
import com.baidu.mapapi.map.MyLocationConfigeration.LocationMode;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;

public class ActLocation extends ActBase implements OnClickListener,
		BDLocationListener {

	// 定位相关
	LocationClient mLocClient;

	MapView mMapView;
	BaiduMap mBaiduMap;

	boolean isFirstLoc = true;// 是否首次定位

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.act_location);
		init();
	}

	private void init() {
		initAbView();
		initBaiduMapView();
	}

	private void initAbView() {
		HeaderView header = (HeaderView) findViewById(R.id.header_location);
		header.setOnBackListener(this);
	}

	private void initBaiduMapView() {
		// 地图初始化
		mMapView = (MapView) findViewById(R.id.bmapView);
		mBaiduMap = mMapView.getMap();
		// 开启定位图层
		mBaiduMap.setMyLocationEnabled(true);
		// 定位初始化
		mLocClient = new LocationClient(this);
		mLocClient.registerLocationListener(this);
		LocationClientOption option = new LocationClientOption();
		option.setOpenGps(true);// 打开gps
		option.setCoorType("bd09ll"); // 设置坐标类型
		option.setScanSpan(1000);
		mLocClient.setLocOption(option);
		mLocClient.start();

		// 设置地图模式 & 标记图标
		LocationMode mCurrentMode = LocationMode.COMPASS;
		BitmapDescriptor mCurrentMarker = BitmapDescriptorFactory
				.fromResource(R.drawable.map_icon_lbs);
		mBaiduMap.setMyLocationConfigeration(new MyLocationConfigeration(
				mCurrentMode, true, mCurrentMarker));
	}

	/**
	 * 定位SDK监听函数
	 */
	@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;
		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();
		mBaiduMap.setMyLocationData(locData);
		if (isFirstLoc) {
			isFirstLoc = false;
			LatLng ll = new LatLng(location.getLatitude(),
					location.getLongitude());
			MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(ll);
			mBaiduMap.animateMapStatus(u);
		}
	}

	@Override
	public void onReceivePoi(BDLocation arg0) {

	}

	@Override
	protected void onPause() {
		mMapView.onPause();
		super.onPause();
	}

	@Override
	protected void onResume() {
		mMapView.onResume();
		super.onResume();
	}

	@Override
	protected void onDestroy() {
		// 退出时销毁定位
		mLocClient.stop();
		// 关闭定位图层
		mBaiduMap.setMyLocationEnabled(false);
		mMapView.onDestroy();
		mMapView = null;
		super.onDestroy();
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.back:
			onBackPressed();
			break;
		default:
			break;
		}
	}

}