Android to obtain the implementation code for mobile phone location

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 public class GPSService extends Service { 
  private static final String TAG = "GPSService"; 
  // Use location services  private LocationManager lm; 
  private MyLocationListener listener; 
  
  @Override 
  public IBinder onBind(Intent intent) { 
   // TODO Auto-generated method stub 
   return null; 
  } 
  
  @Override 
  public void onCreate() { 
   // TODO Auto-generated method stub 
   (); 
   (TAG, "====EnterGPS=="); 
   lm = (LocationManager) getSystemService(LOCATION_SERVICE); 
  
   // List<String> provider = (); 
   // for(String l: provider){ 
   // (l); 
   // } 
   listener = new MyLocationListener(); 
   // Register the listening location service   // Set conditions for location providers   Criteria criteria = new Criteria(); 
   (Criteria.ACCURACY_FINE); 
  
   // Set parameters for refinement:   // (Criteria.ACCURACY_FINE);//Set to maximum accuracy   // (false);//No altitude information required   // (false);//No location information required   // (true);//Is payment allowed   // (Criteria.POWER_LOW);//Requirements for power  
   String proveder = (criteria, true); 
   (proveder, 0, 0, listener); 
  } 
  
  @Override 
  public void onDestroy() { 
   (); 
   // Cancel the listening location service   (listener); 
   listener = null; 
  } 
  
  class MyLocationListener implements LocationListener { 
  
   /**
     * Callback when the position changes
     */ 
  
   @Override 
   public void onLocationChanged(Location location) { 
    String longitude = "j:" + () + "\n"; 
    String latitude = "w:" + () + "\n"; 
    String accuracy = "a" + () + "\n"; 
    // Send a text message to a security number  
    // Convert standard GPS coordinates to Mars coordinates //   InputStream is; 
 //   try { 
 //    is = getAssets().open(""); 
 //    ModifyOffset offset = (is); 
 //    PointDouble double1 = offset.s2c(new PointDouble(location 
 //      .getLongitude(), ())); 
 //    longitude ="j:" + + "\n"; 
 //    latitude = "w:" ++ "\n"; 
 //    
 //   } catch (IOException e) { 
 //    // TODO Auto-generated catch block 
 //    (); 
 //   } catch (Exception e) { 
 //    // TODO Auto-generated catch block 
 //    (); 
 //   } 
  
    SharedPreferences sp = getSharedPreferences("config", MODE_PRIVATE); 
    Editor editor = (); 
    ("lastlocation", longitude + latitude + accuracy); 
    (); 
  
   } 
  
   /**
     * Callback when the state changes, on-off; off-off
     */ 
   @Override 
   public void onStatusChanged(String provider, int status, Bundle extras) { 
    // TODO Auto-generated method stub 
  
   } 
  
   /**
     * Providers can use it in a certain location
     */ 
   @Override 
   public void onProviderEnabled(String provider) { 
    // TODO Auto-generated method stub 
  
   } 
  
   /**
     * Providers at a certain location are not allowed to use it
     */ 
   @Override 
   public void onProviderDisabled(String provider) { 
    // TODO Auto-generated method stub 
  
   } 
  
  } 
  
 } 

 <uses-permission android:name=".ACCESS_FINE_LOCATION"/> 
  <uses-permission android:name=".ACCESS_COARSE_LOCATION"/> 
 <uses-permission android:name=".ACCESS_MOCK_LOCATION"/> 

 Intent i = new Intent(context,); 
 (i);