我怎样才能在特定时间运行任务？我需要在给定时间给用户静音电话

Question

我需要在特定时间静音手机。时间由用户提供。 我是android的新手。

Answer 1

以下是设置闹钟管理器的代码：

private void settingAlarmManager (){

int requestCode = 12345

            calendar.set(selectedYear, selectedMonth - 1, selectedDay, selectedHour, selectedMinutes, 0); // For giving Date and Time for alert \\
            AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
            Intent notificationIntent = new Intent(AddTaskActivity.this, AlarmReceiver.class);
            PendingIntent broadcast = PendingIntent.getBroadcast(AddTaskActivity.this,
                    requestCode, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
            alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), AlarmManager.INTERVAL_DAY, broadcast);

        }

这是清单代码：

<receiver android:name=".alarm.AlarmReceiver"/>

这是警报接收器类：

public class AlarmReceiver extends BroadcastReceiver {


    @Override
    public void onReceive(Context context, Intent intent) {

        AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
        //am.setRingerMode(0); // For Silent \\
        am.setRingerMode(1); // For Vibrate \\
        //am.setRingerMode(2); // For Ringer \\

    }
}

Answer 2

使用PendingIntent在指定时间触发事件，并使用AudioManager更改振铃模式，如下所示：

AudioManager audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
audioManager.setRingerMode(AudioManager.RINGER_MODE_SILENT);