開啟和關閉gps

//開啟或者關閉gps
public void openGPS(boolean open) { 
    if (Build.VERSION.SDK_INT <19) { 
        Secure.setLocationProviderEnabled(context.getContentResolver(), 
        LocationManager.GPS_PROVIDER, open); 
    }else{ 
        if(!open){ 
            Settings.Secure.putInt(context.getContentResolver(), Settings.Secure.LOCATION_MODE, android.provider.Settings.Secure.LOCATION_MODE_OFF); 
        }else
 
{ 
            Settings.Secure.putInt(context.getContentResolver(), Settings.Secure.LOCATION_MODE, android.provider.Settings.Secure.LOCATION_MODE_BATTERY_SAVING); 
        } 
    } 
} 

//判斷gps是否處於開啟狀態
public boolean isOpen() { 
    if (Build.VERSION.SDK_INT <19) { 
        LocationManager myLocationManager = (LocationManager  )mContext.getSystemService(Context.LOCATION_SERVICE); 
        return
 
 myLocationManager.isProviderEnabled(LocationManager.GPS_PROVIDER); 
    }else{ 
        int state = Settings.Secure.getInt(context.getContentResolver(), Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF); 
        if(state==Settings.Secure.LOCATION_MODE_OFF){ 
             return false
 
; 
        }else{ 
             return true; 
        } 
    } 
}