How can i duplicate image in iOS?

Question

I've UIImageVeiw. It's height must change dynamically by scrollview content size height. When I resize, it is changing the image quality. How can i duplicate image until it matches scrollview height? Please help me. Thanks in advance.

Answer 1

To achieve that you must use a pattern image:

UIColor *patternColor = [UIColor colorWithPatternImage:@"<your pattern image name>"];
<your view>.backgroundColor = patternColor;