每隔5分鐘插入一次SQLite的位置

Question

我想每5分鐘插入一次SQLite的位置，但是每當它發生變化時插入位置，我是新的，我知道我在onlocationchange內有插入，但它應該每x次調用一次。我不知道該怎麼辦

public class GPS extends Service { 
public static final int notify = 1000*60*5; //interval between two services(Here Service run every 5 Minute) 
private Handler mHandler = new Handler(); 
private Timer mTimer = null; 

private LocationManager locationMangaer = null; 
private LocationListener locationListener = null; 
private static final String TAG = "Debug"; 
private Boolean flag = false; 

@Override 
public IBinder onBind(Intent intent) { 
    throw new UnsupportedOperationException("Not yet implemented"); 
} 

@Override 
public void onCreate() { 
    if (mTimer != null) 
     mTimer.cancel(); 
    else { 
     mTimer = new Timer(); 
     mTimer.scheduleAtFixedRate(new TimeDisplay(), 0, notify); 
    } 

    locationMangaer = (LocationManager)getSystemService(Context.LOCATION_SERVICE); 

} 


private Boolean displayGpsStatus() { 
    ContentResolver contentResolver = getBaseContext().getContentResolver(); 
    boolean gpsStatus = Settings.Secure.isLocationProviderEnabled(contentResolver,LocationManager.GPS_PROVIDER); 
    if (gpsStatus) { 
     return true; 

    } else { 
     return false; 
    } 
} 

public class MyLocationListener implements LocationListener { 
    dbISMLock dbismlock = new dbISMLock(getBaseContext()); 
    final SQLiteDatabase db =dbismlock.getWritableDatabase(); 

    @Override 
    public void onLocationChanged(Location loc) { 



     SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
     String currentDateandTime = sdf.format(new Date()); 

     Toast.makeText(getBaseContext(),"fecha: "+ currentDateandTime +"Location changed : Lat: " + loc.getLatitude()+ " Lng: " + loc.getLongitude(),Toast.LENGTH_SHORT).show(); 
     String longitude = "Longitude: " +loc.getLongitude(); 
     Log.v(TAG, longitude); 
     String latitude = "Latitude: " +loc.getLatitude(); 
     Log.v(TAG, latitude); 


     TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE); 
     String phoneID = telephonyManager.getDeviceId(); 

     //INSERT 
     db.execSQL("INSERT INTO GEOLOCATION(phoneId,Fecha,longitude, latitude) VALUES('"+phoneID+"','"+currentDateandTime+"','"+longitude+"','"+latitude+"')"); 
     Log.d("insertamos "," geolocation"); 

    } 

    @Override 
    public void onProviderDisabled(String provider) { 

    } 

    @Override 
    public void onProviderEnabled(String provider) { 

    } 

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

    } 




} 


@Override 
public void onDestroy() { 
    super.onDestroy(); 
    mTimer.cancel();  
    Toast.makeText(this, "Service is Destroyed", Toast.LENGTH_SHORT).show(); 
} 


class TimeDisplay extends TimerTask { 
    @Override 
    public void run() { 

     mHandler.post(new Runnable() { 
      @Override 
      public void run() { 

       Toast.makeText(GPS.this, coordenadas(), Toast.LENGTH_SHORT).show(); 

       flag = displayGpsStatus(); 
       if (flag) { 

        Log.v(TAG, "onClick"); 


        locationListener = new MyLocationListener(); 


        if (ActivityCompat.checkSelfPermission(GPS.this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(GPS.this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { 

         return; 
        } 
        locationMangaer.requestLocationUpdates(LocationManager.GPS_PROVIDER, 5000, 10, locationListener); 


       } else { 
        Log.d("Gps Status!!", "Your GPS is: OFF"); 
       } 

      } 
     }); 
    } 
} 

}

Answer 1

可以使用Service聽位置變化的背景和更新每隔5分鐘的內容。 onLocationchange()用於聽手動更改。所以你可以忽略它並使用服務。