ios - 如何识别 ios sdk 中的特定通知

Question

其实我在开发一个报警项目，现在我对本地通知有疑问。我如何识别特定通知。我们甚至不能为本地通知设置标签，那我怎么区分它们。

例子:

通知:1

UILocalNotification *localNotification = [[UILocalNotification alloc] init];
    localNotification.fireDate = selectedDate; 
    localNotification.alertBody = @"you got work";
    localNotification.alertAction = @"Snooze";
    localNotification.repeatInterval = NSDayCalendarUnit;
    localNotification.soundName = UILocalNotificationDefaultSoundName;

    NSDictionary *infoDict = [NSDictionary dictionaryWithObjectsAndKeys:@"setNotificationForEveryDay", @"key", nil];
    localNotification.userInfo = infoDict;

    [[UIApplication sharedApplication] scheduleLocalNotification:localNotification];
    [localNotification release];

通知:2，

UILocalNotification *localNotification = [[UILocalNotification alloc] init];
    localNotification.fireDate = another selectedDate; 
    localNotification.alertBody = @"i got work";
    localNotification.alertAction = @"Snooze";
    localNotification.repeatInterval = NSDayCalendarUnit;
    localNotification.soundName = UILocalNotificationDefaultSoundName;
    NSDictionary *infoDict = [NSDictionary dictionaryWithObjectsAndKeys:@"setNotificationForEveryDay", @"key", nil];
    localNotification.userInfo = infoDict;

    [[UIApplication sharedApplication] scheduleLocalNotification:localNotification];
    [localNotification release];

现在我要删除第二个通知我该怎么做...请帮我..提前致谢..

Answer 1

我的猜测是，使用 userInfo 来区分本地通知会是一个更好的主意，但为此您需要设置本地通知的 userInfo。

就像你可以做这样的事情

 if ([Your_notification_Object.userInfo valueForKey:@"Key 1"]==@"Object 1") {            NSLog(@"This is notification 1");        }

现在对于您的第二个要求，即对于删除部分，当它被识别为 n1 或 n2 时，您是否要删除通知，那么在这种情况下，您可以修改上面的代码并添加此

if ([Your_notification_Object.userInfo valueForKey:@"Key 1"]==@"Object 1") {            NSLog(@"This is notification 1");[[UIApplication sharedApplication] cancelLocalNotification:Your_notification_Object];        }

根据您的方便放置上面的代码