int i = 100;
BackLightValue = (float)i/255;
Log.e("",""+BackLightValue);
   if(BackLightValue==0.0){
    Log.e("",""+BackLightValue);
   BackLightValue=0.1f;
       WindowManager.LayoutParams layoutParams = getWindow().getAttributes();
       layoutParams.screenBrightness = BackLightValue;
       SysBackLightValue = (int)(BackLightValue*255);
       getWindow().setAttributes(layoutParams);
   }
   new CountDownTimer(1 * 2000, 1000)
{
public void onTick(long millisUntilFinished)
{
}

@Override
            public void onFinish()
            {
        BackLightValue=0.1f;
           android.provider.Settings.System.putInt(getContentResolver(),
           android.provider.Settings.System.SCREEN_BRIGHTNESS,SysBackLightValue);
            }
}.start();



이글을 봣습니다

문제는 없어보이는데 ... 뭐가잘못된건가요 ??
소스가 실행이안됩니다.