Timer and TimerTask in Android

I need a timer for my program. I have written it and it works fine on PC in emulalator program (Android 1.5/2.2). But it doesn't work on the real device (And开发者_如何学编程roid 1.5). What am I doing wrong?

TimerTask task = new TimerTask() {
            public void run() {
                if (condition) {
                    myFunc();
                } else {
                    this.cancel();
                }
            }
        };
        Timer timer = new Timer();
        timer.schedule(task, 500, 85);

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You need to cancel() timer not the timer task.