programmatically vibrate non stop

Question

I have a BroadcastReceiver in my android application. I want to vibrate when something special happen in my Receiver.

I know how to control vibrate, but there are 2 problems:

1- When power button pressed and screen gets off device stops vibrating. 2- After turning on Screen again if my vibration repeat parameter set to more than 1 it never vibrate again.

here is my vibration method:

public void startVibrate(Context context, int repeat) { vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); int dot = 200; // Length of a Morse Code "dot" in milliseconds int dash = 500; // Length of a Morse Code "dash" in milliseconds int short_gap = 200; // Length of Gap Between dots/dashes int medium_gap = 500; // Length of Gap Between Letters int long_gap = 1000; // Length of Gap Between Words long[] pattern = { 0, // Start immediately dot, short_gap, dot, short_gap, dot, medium_gap, // S dash, short_gap, dash, short_gap, dash, medium_gap, // O dot, short_gap, dot, short_gap, dot, long_gap // S }; vibrator.vibrate(pattern, repeat); //vibrator.vibrate(10000); }

here is vibration method call:

controller.startVibrate(context, 0);

I just have to ask... Why? This seems like a bad idea from the users perspective. Not to mention a battery killer. — Phix
– Phix, Commented Nov 7, 2014 at 1:25
Are you sure that you want your users to make VooDoo dolls with your name and put nails in them because you drain their device's battery? — Phantômaxx
– Phantômaxx, Commented Nov 7, 2014 at 8:20

Shubhangi · Accepted Answer · 2017-07-11 05:08:06Z

I know i am answering very late but it might help anyone so if you don't want to repeat pattern you pass -1 to repeat pattern.

Vibrator.vibrate(pattern, -1);

https://developer.android.com/reference/android/os/Vibrator.html

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