package com.zebra.mobilesafe.service; 
 import java.io.IOException; 
 import java.io.InputStream; 
  
 import android.app.Service; 
 import android.content.Intent; 
 import android.content.SharedPreferences; 
 import android.content.SharedPreferences.Editor; 
 import android.location.Criteria; 
 import android.location.Location; 
 import android.location.LocationListener; 
 import android.location.LocationManager; 
 import android.os.Bundle; 
 import android.os.IBinder; 
 import android.util.Log; 
  
 public class GPSService extends Service { 
  private static final String TAG = "GPSService"; 
  // 用到位置服務(wù) 
  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 
   super.onCreate(); 
   Log.i(TAG, "====進(jìn)入GPS=="); 
   lm = (LocationManager) getSystemService(LOCATION_SERVICE); 
  
   // List<String> provider = lm.getAllProviders(); 
   // for(String l: provider){ 
   // System.out.println(l); 
   // } 
   listener = new MyLocationListener(); 
   // 注冊(cè)監(jiān)聽位置服務(wù) 
   // 給位置提供者設(shè)置條件 
   Criteria criteria = new Criteria(); 
   criteria.setAccuracy(Criteria.ACCURACY_FINE); 
  
   // 設(shè)置參數(shù)細(xì)化： 
   // criteria.setAccuracy(Criteria.ACCURACY_FINE);//設(shè)置為最大精度 
   // criteria.setAltitudeRequired(false);//不要求海拔信息 
   // criteria.setBearingRequired(false);//不要求方位信息 
   // criteria.setCostAllowed(true);//是否允許付費(fèi) 
   // criteria.setPowerRequirement(Criteria.POWER_LOW);//對(duì)電量的要求 
  
   String proveder = lm.getBestProvider(criteria, true); 
   lm.requestLocationUpdates(proveder, 0, 0, listener); 
  } 
  
  @Override 
  public void onDestroy() { 
   super.onDestroy(); 
   // 取消監(jiān)聽位置服務(wù) 
   lm.removeUpdates(listener); 
   listener = null; 
  } 
  
  class MyLocationListener implements LocationListener { 
  
   /** 
    * 當(dāng)位置改變的時(shí)候回調(diào) 
    */ 
  
   @Override 
   public void onLocationChanged(Location location) { 
    String longitude = "j:" + location.getLongitude() + "\n"; 
    String latitude = "w:" + location.getLatitude() + "\n"; 
    String accuracy = "a" + location.getAccuracy() + "\n"; 
    // 發(fā)短信給安全號(hào)碼 
  
    // 把標(biāo)準(zhǔn)的GPS坐標(biāo)轉(zhuǎn)換成火星坐標(biāo) 
 //   InputStream is; 
 //   try { 
 //    is = getAssets().open("axisoffset.dat"); 
 //    ModifyOffset offset = ModifyOffset.getInstance(is); 
 //    PointDouble double1 = offset.s2c(new PointDouble(location 
 //      .getLongitude(), location.getLatitude())); 
 //    longitude ="j:" + offset.X+ "\n"; 
 //    latitude = "w:" +offset.Y+ "\n"; 
 //    
 //   } catch (IOException e) { 
 //    // TODO Auto-generated catch block 
 //    e.printStackTrace(); 
 //   } catch (Exception e) { 
 //    // TODO Auto-generated catch block 
 //    e.printStackTrace(); 
 //   } 
  
    SharedPreferences sp = getSharedPreferences("config", MODE_PRIVATE); 
    Editor editor = sp.edit(); 
    editor.putString("lastlocation", longitude + latitude + accuracy); 
    editor.commit(); 
  
   } 
  
   /** 
    * 當(dāng)狀態(tài)發(fā)生改變的時(shí)候回調(diào) 開啟--關(guān)閉 ；關(guān)閉--開啟 
    */ 
   @Override 
   public void onStatusChanged(String provider, int status, Bundle extras) { 
    // TODO Auto-generated method stub 
  
   } 
  
   /** 
    * 某一個(gè)位置提供者可以使用了 
    */ 
   @Override 
   public void onProviderEnabled(String provider) { 
    // TODO Auto-generated method stub 
  
   } 
  
   /** 
    * 某一個(gè)位置提供者不可以使用了 
    */ 
   @Override 
   public void onProviderDisabled(String provider) { 
    // TODO Auto-generated method stub 
  
   } 
  
  } 
  
 } 

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

 Intent i = new Intent(context,GPSService.class); 
 context.startService(i);