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Showing posts from October, 2021

Vertical Labels in iOS (using Objective-C)

View transformations are something you might wanna need to learn more about. While rethinking the iPad interface for his UTC Chart app, it occurred to mluton to use vertical labels. After a bit of research this is what he came up with. - (void)viewDidLoad { [super viewDidLoad]; NSString *string = @"Lorem Ipsum"; UIFont *font = [UIFont preferredFontForTextStyle:UIFontTextStyleHeadline]; UILabel *label = [[UILabel alloc] init]; label.font = font; label.text = string; CGSize size = [string sizeWithAttributes:@{NSFontAttributeName:font}]; label.frame = CGRectMake(40, 40, size.width, size.height); [label.layer setAnchorPoint:CGPointMake(0.0, 0.0)]; label.transform = CGAffineTransformMakeRotation((M_PI) / 2); [self.view addSubview:label]; } The frame and setAnchorPoint values can be modified to achieve desired positioning. He chose to bypass any potential autolayout/transform conflicts by creating the label progr