Question

I have this method in my app :

- (void)initializeTimer{
    self.myTimer = [NSTimer scheduledTimerWithTimeInterval:theInterval target:self 
                               selector:@selector(move:) userInfo:nil repeats:YES];
}

I notice that if i change the interval the timer still with the old value.

Answer 1

You can’t change the interval once the timer is created. Look at the NSTimer docs on Apple’s site. You’d have to invalidate and release the timer and then create a new one with the new interval.