我正在使用警报管理器在特定时间分配警报.我遇到了一个问题,即如果我将时间设置为早于当前系统时间,则会立即触发警报操作.如何防止这种行为?谢谢 我的代码: AlarmManager alarmMan
我的代码:
AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); Intent serviceIntent = new Intent(context,AlarmService.class); PendingIntent pendingIntent = PendingIntent.getService(context.getApplicationContext(), 234324243, serviceIntent, 0); /*sample of setting eariler time timeAlarm.set(Calendar.YEAR, 2013); timeAlarm.set(Calendar.MONTH, 10); timeAlarm.set(Calendar.DAY_OF_MONTH, 13); timeAlarm.set(Calendar.HOUR_OF_DAY, 12); timeAlarm.set(Calendar.MINUTE, 9); timeAlarm.set(Calendar.SECOND, 0); */ alarmManager.set(AlarmManager.RTC_WAKEUP, timeAlarm.getTimeInMillis(), pendingIntent);这是因为android报警管理器是由此设计的.
如果时间早于当前系统时间1天或更长时间,则可以修改时间.
像这样:
Calendar c = Calendar.getInstance(); c.set(Calendar.HOUR_OF_DAY, hour); c.set(Calendar.MINUTE, minute); c.set(Calendar.SECOND, second); if (c.getTimeInMillis() < System.currentTimeMillis()){ c.add(Calendar.DAY_OF_MONTH, 1); }