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@Valakin
431 / 97 / 15
Регистрация: 21.02.2015
Сообщений: 736
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21.09.2015, 09:41
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моргающий сервис
| Java | 1
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| public class FlashBlinkService extends Service
{
private static Camera cam = null;
private Handler handler = new Handler();
@Override
public IBinder onBind(Intent intent)
{
return null;
}
@Override
public void onCreate()
{
super.onCreate();
startFlashBlink();
}
//for simulating flash blink
Runnable flashBlinkRunnable = new Runnable()
{
public void run()
{
cam = Camera.open();
Parameters p = cam.getParameters();
p.setFlashMode(Parameters.FLASH_MODE_TORCH);
cam.setParameters(p);
cam.startPreview();
p.setFlashMode(Parameters.FLASH_MODE_OFF);
cam.setParameters(p);
cam.stopPreview();
cam.release();
cam = null;
//--->
handler.post(flashBlinkRunnable);
}
};
//start flash blink light
public void startFlashBlink()
{
flashBlinkRunnable.run();
}
//stop flash blink light
public void stopFlashBlink()
{
handler.removeCallbacks(flashBlinkRunnable);
stopCamera(cam);
}
//stop camera
private void stopCamera(Camera cam)
{
if (cam != null)
{
cam.stopPreview();
cam.release();
cam = null;
}
}
@Override
public void onDestroy()
{
super.onDestroy();
handler.removeCallbacks(flashBlinkRunnable);
stopCamera(cam);
}
} |
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