我正在创建一个饮用水提醒应用程序(我已经搜索并尝试过,但我没有看到解决方案),这个想法是让用户输入开始时间,间隔和结束时间。几乎一切都运行正常,但是当达到结束时间时,第二天没有设置闹钟,并且每分钟左右开始响起。
基本上我想要实现的是,如果警报的结束时间到达,则将在没有用户干预的情况下建立第二天。
我已经尝试过使用Calendar.before ()
和Calendar.after ()
的方法,但我没有看到结果。
Calendar now = Calendar.getInstance();
// cancel already scheduled reminders
cancelWaterReminder(context);
Calendar calendarEndTime = Calendar.getInstance();
calendarEndTime.set(Calendar.HOUR, userPrefs.getWaterReminder_toHour());
calendarEndTime.set(Calendar.MINUTE, userPrefs.getWaterReminder_toMin());
calendarEndTime.set(Calendar.SECOND, 0);
Calendar calendarStartTime = Calendar.getInstance();
calendarStartTime.set(Calendar.HOUR_OF_DAY, hour);
calendarStartTime.set(Calendar.MINUTE, min);
calendarStartTime.set(Calendar.SECOND, 0);
// Enable a Broadcast receiver
ComponentName receiver = new ComponentName(context, WaterAlarmReceiver.class);
PackageManager pm = context.getPackageManager();
pm.setComponentEnabledSetting(receiver, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
Intent intent1 = new Intent(context, WaterAlarmReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, DAILY_WATER_REMINDER_REQUEST_CODE, intent1, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager am = (AlarmManager) context.getSystemService(ALARM_SERVICE);
//Here is where i try to set and reset alarms
//according to the current hour, start hour and end hour.
if (now.after(calendarEndTime))
{
//calendarStartTime.add(Calendar.DAY_OF_MONTH, 1);
am.setRepeating(AlarmManager.RTC_WAKEUP, calendarStartTime.getTimeInMillis(), 1000 * 60 * interval, pendingIntent);
}
else if (calendarStartTime.before(calendarEndTime))
{
am.setRepeating(AlarmManager.RTC_WAKEUP, calendarStartTime.getTimeInMillis(), 1000 * 60 * interval, pendingIntent);
setWaterReminderEndTime(context, userPrefs.getWaterReminder_toHour(), userPrefs.getWaterReminder_toMin());
}
我的猜测问题是在下面的行:
am.setRepeating(AlarmManager.RTC_WAKEUP, calendarStartTime.getTimeInMillis(), 1000 * 60 * interval, pendingIntent);
可能你将interval
设置为1
并且你没有添加日期乘数(24
)来安排第二天,这就是为什么警报每分钟都会消失。
如果上面是问题,那么改变应该解决它,
am.setRepeating(AlarmManager.RTC_WAKEUP, calendarStartTime.getTimeInMillis(), 1000 * 60 * 24 * interval, pendingIntent);