I've a horizontal UIScrollview that shows around 10 images. I know that we've to use scrollRectToVisible method to move the scrollview programmatically. But what I am looking for is to scroll the scroll view slowly (5 pixels in 1 second) from start to end of the scroll view.
I have seen some pages, but I didn't understand how to integrate following code in my code:
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDelegate:self];
[UIView setAnimationDuration:(abs(rMid-pMid)*0.3)];
scrollMid.contentOffset = CGPointMake(rMid*320, 0);
[UIView commitAnimations];
you can use NSTimer
like
- (void) viewDidLoad
{
if (scrollingTimer == nil)
{
scrollingTimer = [NSTimer scheduledTimerWithTimeInterval:(0.06)
target:self selector:@selector(autoscrollTimerFired) userInfo:nil repeats:YES];
}
}
- (void) autoscrollTimerFired
{
if (scrollPoint.y == 583) // at where you want to stop scroll
{
[scrollingTimer invalidate];
scrollingTimer = nil;
}
scrollPoint = CGPointMake(scrollPoint.x, scrollPoint.y + 1);
[self.scrollView setContentOffset:scrollPoint animated:NO];
}
hope its help you...