Find list of Local Notification the app has already set

ios uilocalnotification

31,951

Solution 1

UIApplication has a property called scheduledLocalNotifications which returns an optional array containing elements of type UILocalNotification.

UIApplication.shared.scheduledLocalNotifications

Solution 2

For Swift 3.0 and Swift 4.0

don't forget to do import UserNotifications

This is working for iOS10+ and watchOS3+ since the class UNUserNotificationCenter is not available for older versions (link)

let center = UNUserNotificationCenter.current()

override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)

    center.getPendingNotificationRequests { (notifications) in
        print("Count: \(notifications.count)")
        for item in notifications {
          print(item.content)
        }
    }
}

Solution 3

Scott is correct.

UIApplication's property scheduledLocalNotifications

Here's the code:

NSMutableArray *notifications = [[NSMutableArray alloc] init];
[notifications addObject:notification];
app.scheduledLocalNotifications = notifications;
//Equivalent: [app setScheduledLocalNotifications:notifications];

UIApplication *app = [UIApplication sharedApplication];
NSArray *eventArray = [app scheduledLocalNotifications];
for (int i=0; i<[eventArray count]; i++)
{
    UILocalNotification* oneEvent = [eventArray objectAtIndex:i];
    NSDictionary *userInfoCurrent = oneEvent.userInfo;
    NSString *uid=[NSString stringWithFormat:@"%@",[userInfoCurrent valueForKey:@"uid"]];
    if ([uid isEqualToString:uidtodelete])
    {
        //Cancelling local notification
        [app cancelLocalNotification:oneEvent];
        break;
    }
}

NSArray *arrayOfLocalNotifications = [[UIApplication sharedApplication] scheduledLocalNotifications] ;

for (UILocalNotification *localNotification in arrayOfLocalNotifications) {

    if ([localNotification.alertBody isEqualToString:savedTitle]) {
        NSLog(@"the notification this is canceld is %@", localNotification.alertBody);

        [[UIApplication sharedApplication] cancelLocalNotification:localNotification] ; // delete the notification from the system

    }

}

For more info, check out this: scheduledLocalNotifications example UIApplication ios

Solution 4

@Scott Berrevoets gave the correct answer. To actually list them, it is simple to enumerate the objects in the array:

[[[UIApplication sharedApplication] scheduledLocalNotifications] enumerateObjectsUsingBlock:^(UILocalNotification *notification, NSUInteger idx, BOOL *stop) {
    NSLog(@"Notification %lu: %@",(unsigned long)idx, notification);
}];

Solution 5

Swift 3.0.2:

UIApplication.shared.scheduledLocalNotifications

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31,951

Author by

Recycled Steel

Updated on July 23, 2022

Comments

Recycled Steel almost 2 years

My app allows users to set a number of reminders in the future. When the app lauches I want to know what reminders (notifications) have already been set.

Can I read back the notifications I have set or do I need to store in my app (e.g. Core Data or Plist)?
Recycled Steel almost 11 years

Thanks this also help with my next question regarding storing an ID for each notification - all done now...
Houman about 10 years

This is a strange sample code. The OP is asking for listing the local notifications and you are showing an example how to cancel local notifications
Jamshed Alam about 7 years

Hey scott Berrevoests, Please help me out. I am not getting my alarm from second time but is is already in the pending alarm list. stackoverflow.com/questions/44132879/…
Shyam about 6 years

If I use this at the beginning to check if there are any notifications at all, it doesn't go through the loop at all.
ArgaPK about 6 years

Which method gets execute when app is in background and receives UNUserNotification?
ArgaPK about 6 years

Which method gets execute when app is in background and receives UNUserNotification?
ArgaPK about 6 years

Which method gets execute when app is in background and receives UNUserNotification?
ArgaPK about 6 years

@ScottBerrevoets Which method gets execute when app is in background and receives UNUserNotification?
Matt Le Fleur almost 6 years

Just a note that scheduledLocalNotifications is deprecated
Henning Hall about 5 years

@MattLeFleur is there a new way of doing this? I have trouble finding one.
Matt Le Fleur almost 5 years

@HenningHall, I'd use Frizzo's answer for the best way of doing this - stackoverflow.com/a/39034576/810167