You can use
self.imageView.contentMode = UIViewContentModeScaleAspectFit;
Swift 3:
imageView.contentMode = .scaleAspectFit
Or UIViewContentModeCenter / .center, or any of the other modes described in the UIView documentation.
You can use
self.imageView.contentMode = UIViewContentModeScaleAspectFit;
Swift 3:
imageView.contentMode = .scaleAspectFit
Or UIViewContentModeCenter / .center, or any of the other modes described in the UIView documentation.