UIScreen *mainScreen = [UIScreen mainScreen]; CGSize size = [mainScreen bounds].size; CGFloat scale = [mainScreen scale]; CGFloat screenWidth = size.width * scale; CGFloat screenHeight = size.height * scale;
UIScreen *mainScreen = [UIScreen mainScreen]; CGSize size = [mainScreen bounds].size; CGFloat scale = [mainScreen scale]; CGFloat screenWidth = size.width * scale; CGFloat screenHeight = size.height * scale;