private TextView mLocationResult;
	private Button btn;
	
	public LocationClient mLocationClient = null;    //核心類locationClient 需要注意的是此類只能在主執行緒中宣告而且需要context物件
	public BDLocationListener myListener = new MyLocationListener();  
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		mLocationClient = new LocationClient(getApplicationContext());
		mLocationClient.registerLocationListener(myListener);  //註冊監聽
		
		mLocationResult = (TextView) findViewById(R.id.textView1);  
		btn = (Button) findViewById(R.id.button1);
		btn.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				initLocation();    //設定定位引數
				mLocationClient.start();  //啟動定位
			}
		});
	}
	
	private void initLocation() {
		LocationClientOption option = new LocationClientOption();
		option.setLocationMode(LocationMode.Hight_Accuracy);//設定定位模式
		option.setCoorType("bd09ll");//返回的定位結果是百度經緯度,預設值gcj02
		option.setScanSpan(0);//設定發起定位請求的間隔時間為5000ms
		option.setIsNeedAddress(true);//返回的定位結果包含地址資訊
		option.setNeedDeviceDirect(true);//返回的定位結果包含手機機頭的方向
		mLocationClient.setLocOption(option);
	}

 

<span style="white-space:pre">	</span>//實現介面
	public class MyLocationListener implements BDLocationListener {
		@Override
		public void onReceiveLocation(BDLocation location) {
			if (location == null)
		            return ;
			StringBuffer sb = new StringBuffer(256);
			sb.append("time : ");   //定位的時間
			sb.append(location.getTime());
			sb.append("\nerror code : ");   //返回碼 用於表示定位是否成功或者基於什麼定位等
			sb.append(location.getLocType());
			sb.append("\nlatitude : ");  //緯度
			sb.append(location.getLatitude());
			sb.append("\nlontitude : ");   //經度
			sb.append(location.getLongitude());
			sb.append("\nradius : ");    //定位精度
			sb.append(location.getRadius());
			if (location.getLocType() == BDLocation.TypeGpsLocation){
				sb.append("\nspeed : ");    
				sb.append(location.getSpeed());
				sb.append("\nsatellite : ");
				sb.append(location.getSatelliteNumber());
			} else if (location.getLocType() == BDLocation.TypeNetWorkLocation){
				sb.append("\naddr : ");
				sb.append(location.getAddrStr());
			} 
			logMsg(sb.toString());
		}
	}

	/**
	 * 顯示獲得的定位情況字串
	 * @param str
	 */
	public void logMsg(String str) {
		try {
			if (mLocationResult != null)
				mLocationResult.setText(str);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}