Simple Objective-C Timer Example

gistfile1.m

//Do something 2 seconds after view loads

- (void)viewDidLoad
{
    [super viewDidLoad];

[NSTimer scheduledTimerWithTimeInterval:2.0
                                     target:self
                                   selector:@selector(theAction)
                                   userInfo:nil
                                    repeats:NO];
    
}

-(void) theAction {
  NSLog(@"Will appear after a 2 second delay.");
}