How to add observer on NSMutableArray?

Question

I have searched a lot but didn\'t find useful code or tutorial.

In my application, I have an mutable array which update in every 60 seconds.

The objects in a

Answer 1

What is can do is - After updating your Array send a Notification (NSNotificationCenter) and this notification will be received by all the controllers. On receiving the notificaiton the controller should do [tableview reloaddata].

Code example:

// Adding an observer
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(updateTable:) name:@"arrayUpdated" object:nil];

// Post a notification
[[NSNotificationCenter defaultCenter] postNotificationName:@"arrayUpdated" object:nil]; 

// the void function, specified in the same class where the Notification addObserver method has defined
- (void)updateTable:(NSNotification *)note { 
    [tableView reloadData]; 
}