비행기 모드 상태 변화 알아오기 ACTION_AIRPLANE_MODE_CHANGED액션을 리시버가 받아온다!! public class AirPlaneReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); switch (action) { case Intent.ACTION_AIRPLANE_MODE_CHANGED: Boolean airplane = android.provider.Settings.Global.getInt(context.getContentResolver(), android.provider.Settings.G..