Move image from left to right in iPhone as circular and Infinite animation (like an advertisement)

Question

I'm having difficulty moving an image from left to right. Now i have a situation when i have an infinite animation but it just replaces the current image to another.

here's my code:

-(void)startAnimationTest
{
   image.animationImages = [NSArray arrayWithObjects:
                         [UIImage imageNamed:@"pic_1.png"],
                         [UIImage imageNamed:@"pic_2.png"],
                         [UIImage imageNamed:@"pic_3.png"], nil];
   [image setAnimationDuration:1];
   image.animationDuration = 4;
   [image startAnimating];

}

thank you,

Eliza

Answer 1

Try adding the images to a scroll view and then animating scrollview on the basis of its content offset. See the sample code attached. Make sure of add a nstimer to call the function repeatdly.

- (void) animateScrollView: (id) sender
{
     [UIView beginAnimations:nil context:NULL];
     CGPoint contentOffset = scrollView.contentOffset;
     contentOffset.x +=3;
     [scrollView setContentOffset:contentOffset animated:NO];
     [UIView commitAnimations];
     if (scrollView.contentOffset.x == (scrollView.bounds.size.width * 5)) {
         scrollView.contentOffset = CGPointMake(0, scrollView.bounds.origin.y);
     }
}

set timer as follows:

    [NSTimer scheduledTimerWithTimeInterval: .03
                                 target: self
                               selector: @selector(animateScrollView:)
                               userInfo: nil
                                repeats: YES];

thats it. Hope it helps.