当 Android 设备拔掉插头并处于睡眠状态时,我可以唤醒它吗?

发布于 2024-10-21 06:43:29 字数 168 浏览 2 评论 0原文

我制作了一个应用程序,可以让人们收听广播,并实现了闹钟,这样我就可以在闹钟响起时播放广播。我正在使用alarmManager和RTC_wakeup,如果手机已插入或手机未睡眠(这违背了目的),它似乎工作正常。然而,当手机拔掉插头并处于睡眠状态时,闹钟不会响起,直到我唤醒手机。

有谁知道这个问题的解决方案?

I have made an app that allows one to listen to the radio and have implemented an alarm so that I can have the radio play when the alarm goes off. I am using the alarmManager and RTC_wakeup, and it seems to work fine if the phone is plugged in or if the phone is not asleep (which kind of defeats the purpose). When the phone is unplugged and asleep, however, the alarm does not go off until I wake up the phone.

Does anyone know a solution to this?

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蓝海似她心 2024-10-28 06:43:29

这就是我们的做法,它适用于您描述的两种情况:

PendingIntent pi = null;

private void startMonitor() {
    AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    Intent i = new Intent(this, OnTickReceiver.class);
    pi = PendingIntent.getBroadcast(this, 0, i, 0);

    alarmManager.setRepeating(AlarmManager.RTC_WAKEUP,
            System.currentTimeMillis() + 120 * 1000, 120 * 1000, pi);
}

private void stopMonitor() {
    AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    alarmManager.cancel(pi);
}

This is how we did it and it works in both case that you describe:

PendingIntent pi = null;

private void startMonitor() {
    AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    Intent i = new Intent(this, OnTickReceiver.class);
    pi = PendingIntent.getBroadcast(this, 0, i, 0);

    alarmManager.setRepeating(AlarmManager.RTC_WAKEUP,
            System.currentTimeMillis() + 120 * 1000, 120 * 1000, pi);
}

private void stopMonitor() {
    AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    alarmManager.cancel(pi);
}
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