// 设置定时

private void setSleep() {

// 设置一次性的闹钟

Intent intent = new Intent(getActivity(), MusicBroadcastReceiver.class);

intent.putExtra("toReceiver", "我是碎片发到广播的");

PendingIntent pIntent = PendingIntent.getBroadcast(getActivity(), 0,

intent, 0);

long time=SystemClock.elapsedRealtime() + Integer.parseInt(et_time.getText().toString());

// 设置闹钟

AlarmManager manager = (AlarmManager) getActivity().getSystemService(

getActivity().ALARM_SERVICE);

manager.set(AlarmManager.RTC_WAKEUP, time, pIntent);

}