UIScrollview animation depending on content offset

Question

I\'m using a horizontal UIScrollView, and I want a background color transition depending on the x value of the content offset.

Example: The width o

Answer 1

In your scrollView delegate try something like this:

-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
    CGPoint a = self.mainScrollView.contentOffset;
    if(a.x >= 320){
        [UIView animateWithDuration:0.5 animations:^{
            [self.view setBackgroundColor:[UIColor redColor]];
        }];
    }
    else{
        [UIView animateWithDuration:0.5 animations:^{
            [self.view setBackgroundColor:[UIColor yellowColor]];
        }];
    }
}