MaiN

public class MaiN extends Activity {    private LocationClient mLocationClient;//定位SDK的核心类      TextView city,onclik;    ListView lv;

    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        city=(TextView) findViewById(R.id.gps_city);        onclik=(TextView) findViewById(R.id.textView1);        lv=(ListView) findViewById(R.id.lv1);        logicCode();    }        private void logicCode() {        // TODO Auto-generated method stub        mLocationClient = ((LocationApplication)getApplication()).mLocationClient;          ((LocationApplication)getApplication()).mLocationResult = city;//调用LocationApplication，获得需要的信息//         onclik.setOnClickListener(new OnClickListener() {  //             //             public void onClick(View v) {                   InitLocation();                                        mLocationClient.start();                    //                //             }  //         });                            List<String> list=new ArrayList<String>();         list.add("上海");         list.add("天津");         list.add("深圳");         list.add("衡水");         list.add("香港");         list.add("香1港");                  lv.setAdapter(new ArrayAdapter<String>(MaiN.this, android.R.layout.simple_list_item_1, list));                  lv.setOnItemClickListener(new OnItemClickListener() {

            @Override            public void onItemClick(AdapterView<?> parent, View view,                    int position, long id) {                Intent in=new Intent(MaiN.this,MainActivity.class);                startActivity(in);                            }        });

                }

    private void InitLocation(){          LocationClientOption option = new LocationClientOption();          option.setLocationMode(LocationMode.Hight_Accuracy);//设置高精度定位定位模式          option.setCoorType("bd09ll");//设置百度经纬度坐标系格式          option.setScanSpan(1000);//设置发起定位请求的间隔时间为1000ms          option.setIsNeedAddress(true);//反编译获得具体位置，只有网络定位才可以          mLocationClient.setLocOption(option);      } 

}