Android(安卓)技术总结（016）—— 使用百度地图api获取当前位置

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class main extends Activity {

    private LocationClient mLocationClient = null;
    private Button mStartBtn = null;
    private TextView mTextView = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        mStartBtn = (Button)findViewById(R.id.button1);
        mTextView = (TextView)findViewById(R.id.textview1);

        mLocationClient = new LocationClient(this);
        LocationClientOption option = new LocationClientOption();
        option.setOpenGps(true);                                //打开gps
        option.setCoorType("bd09ll");                           //设置坐标类型为bd09ll
        option.setPriority(LocationClientOption.NetWorkFirst); //设置网络优先
        option.setProdName("locSDKDemo2");                      //设置产品线名称
        option.setScanSpan(5000);                               //定时定位，每隔5秒钟定位一次。
        mLocationClient.setLocOption(option);
        mLocationClient.registerLocationListener(new BDLocationListener() {
            @Override
            public void onReceiveLocation(BDLocation location) {
                if (location == null)
                    return ;
                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){
                    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());
                }
                sb.append("\nsdk version : ");
                sb.append(mLocationClient.getVersion());
                mTextView.setText(sb.toString());
            }

            public void onReceivePoi(BDLocation location){
                //return ;
            }
        });


        mStartBtn.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (mLocationClient == null) return ;
                if (mLocationClient.isStarted()){
                    mLocationClient.stop();
                    mStartBtn.setText("开始");
                } else {
                    mLocationClient.start();
                    mStartBtn.setText("关闭");
                }
            }
        });

    }

    @Override
    public void onDestroy(){
        if (mLocationClient != null && mLocationClient.isStarted()){
            mLocationClient.stop();
            mLocationClient = null;
        }
        super.onDestroy();
    }




}

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