Question

我在我的应用程序中有大约10个本地通知（不在数组中）及其在交换机中。我用过这段代码

    NSUserDefaults *defaultsB = [NSUserDefaults standardUserDefaults];
    UILocalNotification *notification = [[UILocalNotification alloc]init];

    if (switcher.on == 1) {

        NSCalendar *gregCalendar = [[NSCalendar alloc]initWithCalendarIdentifier:NSGregorianCalendar];
        NSDateComponents *dateComponent = [gregCalendar components:NSYearCalendarUnit  | NSWeekCalendarUnit fromDate:[NSDate date]];

        [dateComponent setWeekday:1]; // For sunday
        [dateComponent setHour:[timeHClass.text integerValue]];
        [dateComponent setMinute:[timeMClass.text integerValue]];

        NSDate *fireDate = [gregCalendar dateFromComponents:dateComponent];


        [notification setAlertBody:textClass1.text];
        [notification setFireDate:fireDate];
        notification.soundName = @"bells.mp3";
        notification.repeatInterval = NSWeekCalendarUnit;
        [notification setTimeZone:[NSTimeZone defaultTimeZone]];
        [[UIApplication sharedApplication] scheduleLocalNotification:notification];


        [defaultsB setObject:@"ON" forKey:@"SwitchState"];
    }
    else  {

        UIApplication *app=[UIApplication sharedApplication];
        [app cancelLocalNotification:notification];



        [defaultsB setObject:@"OFF" forKey:@"SwitchState"];

    }

但是当我关闭时，通知仍在工作？

我应该保存NSUserDefaults中的通知保存而不仅仅是交换机??

如果是的话怎么样？

Answer 1

如果您想要取消现有通知，您需要通过[[UIApplication sharedApplication] scheduledLocalNotifications]获取对它的引用，然后循环浏览这些通知并找到您想要的通知（可能使用您在创建期间给出的唯一标识符）。 / p>

或者，如果您要取消所有通知，请替换：

[app cancelLocalNotification:notification];

使用：

[app cancelAllLocalNotifications];

cancelLocalNotification不起作用

1 个答案: