为另一个时区配置警报管理器

Question

我想为不同的时区配置警报管理器。我希望闹钟在纽约时间 10：20 到达时触发通知。是否可以像下面这样编码？

private void configureDailyAlarm(Context context) {
TimeZone USTimeZone = TimeZone.getTimeZone("America/New_York");
Calendar USCalendar = Calendar.getInstance(USTimeZone);
USCalendar.set(Calendar.HOUR_OF_DAY, 10);
USCalendar.set(Calendar.MINUTE, 20);
Intent alarmReceiverIntent = new Intent(context, AlarmReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, alarmReceiverIntent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager alarmManager = (AlarmManager) context.getSystemService(context.ALARM_SERVICE);
alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP, USCalendar.getTimeInMillis(), AlarmManager.INTERVAL_DAY, pendingIntent);
}

Answer 1

使用此方法：

public int getTimeFromNY() {
TimeZone USTimeZone = TimeZone.getTimeZone("America/New_York");
Calendar USCalendar = Calendar.getInstance(USTimeZone);
USCalendar.set(Calendar.HOUR_OF_DAY, 10);
USCalendar.set(Calendar.MINUTE, 20);
Calendar calendar = Calendar.getInstance();
calendar.setTime(new Date()); // Current date
return USCalendar.getTimeInMillis() - calendar.getTimeInMillis();
}

然后将其插入警报管理器

alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeInMillis() + USCalendar.getTimeFromNY(), AlarmManager.INTERVAL_DAY, pendingIntent);