/*

  * 获取当前的位置，并通过短信发送位置到指定号码

  */

 public class LocationService extends Service {

     private LocationManager lm;

     private MyLocationListener listener;

     @Override

     public IBinder onBind(Intent intent) {

         return null;

     }

     @Override

     public void onCreate() {

         super.onCreate();

         lm = (LocationManager) getSystemService(LOCATION_SERVICE);

         listener = new MyLocationListener();

         Criteria criteria = new Criteria();

         criteria.setCostAllowed(true); // 是否允许使用付费

         criteria.setAccuracy(Criteria.ACCURACY_FINE); // 获取位置的精度

         String provider = lm.getBestProvider(criteria, true);

         lm.requestLocationUpdates(provider, 0, 0, listener);

     }

     class MyLocationListener implements LocationListener {

         // 位置改变时获取经纬度

         @Override

         public void onLocationChanged(Location location) {

             String j = "jingdu:" + location.getLongitude();

             String w = "weidu:" + location.getLatitude();

             SharedPreferences mPref = getSharedPreferences("config",

                     MODE_PRIVATE);

             mPref.edit().putString("location", j + ";" + w).commit();

             String savedSafeNumber = mPref.getString("safeNumber", "");

             double[] locationDouble=LocationUtils.standardToChina(location.getLongitude(), location.getLatitude());

             SmsManager.getDefault().sendTextMessage(savedSafeNumber, null,

                     "Phone's location:" + locationDouble[0] + ";" + locationDouble[1], null, null); // 把回复的短信内容由中文修改为英文，中文在模拟器上显示为乱码

             stopSelf(); // 获取到经纬度以后，停止该service

         }

         // 状态改变时

         @Override

         public void onStatusChanged(String provider, int status, Bundle extras) {

         }

         // 提供者可以使用时

         @Override

         public void onProviderEnabled(String provider) {

         }

         // 提供者不可以使用时

         @Override

         public void onProviderDisabled(String provider) {

         }

     }

     @Override

     public void onDestroy() {

         super.onDestroy();

         lm.removeUpdates(listener); // 停止所有的定位服务

     }

 }