| @Valakin 430 / 96 / 15 Регистрация: 21.02.2015 Сообщений: 731 |
|
21.09.2015, 09:41
| |
моргающий сервис | Java | 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
| 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);
}
} |
|
|
