如何在某些日子获得UILocalNotification重复

我正在制作一个闹钟应用程序，它会在某一天select某个用户时触发一个本地通知，例如，如果用户select了M，F，Sat，则应该每M / F / Sat只发出一个闹钟。 我的问题是，当时我的血腥警报正在发射。 我怎样才能限制它到用户选定的日子？ 这是我的代码

//For testing purposes I want the alarm to fire only on Monday at 7:00am. //This fires every day at 7:00am [[UIApplication sharedApplication] cancelAllLocalNotifications]; NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; NSDate *now = [NSDate date]; // set components for time 7:00 am Monday NSDateComponents *componentsForFireDate = [calendar components:(NSYearCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit| NSSecondCalendarUnit | NSWeekdayCalendarUnit) fromDate: now]; [componentsForFireDate setWeekday: 2] ; [componentsForFireDate setHour: 7] ; [componentsForFireDate setMinute:0] ; [componentsForFireDate setSecond:0] ; NSDate *fireDateOfNotification = [calendar dateFromComponents: componentsForFireDate]; // Create the notification UILocalNotification *notification = [[UILocalNotification alloc] init] ; notification.fireDate = fireDateOfNotification ; notification.timeZone = [NSTimeZone localTimeZone] ; notification.alertBody = [NSString stringWithFormat: @"Wake up!"] ; notification.userInfo= [NSDictionary dictionaryWithObject:[NSString stringWithFormat:@"Waking Up time"] forKey:@"wakeUp"]; //Problem is here NSDayCalendarUnit makes my alarm fire every day notification.repeatInterval= NSDayCalendarUnit ; //notification.soundName=UILocalNotificationDefaultSoundName; notification.soundName=@"alarm-clock-ringing-01.wav"; [[UIApplication sharedApplication] scheduleLocalNotification:notification] ; 

Answer 1

如果实际上只让本地通知触发一次，但是当您的设备收到通知，并重新发布相同的通知，它会起作用吗？ 你的应用程序不需要运行这个工作。

当您的应用程序未运行时，您可以在应用程序委托的applicationDidFinishLaunching中处理本地通知：

 UILocalNotification *localNotif = [launchOptions objectForKey:UIApplicationLaunchOptionsLocalNotificationKey]; // handles notification when application is relaunched after being terminated // not when app is already in the foreground running. if(localNotif) { // repeat the same local notification again [[UIApplication sharedApplication] scheduleLocalNotification:localNotif]; } 

注意：repeatInterval将按照您指定的单位执行相同的操作（在这种情况下，“day”，无论您指定为通知date，每天都会重复）

Answer 2

你可以做三个警报：一个是最近的星期一，最近的星期三和最近的星期五，并设置notification.repeatInterval = NSWeekCalendarUnit每个。