uilabel - w3toppers.com

UINavigationBar multi-line title

Set the titleView property of the UINavigationItem. For example, in the view controller’s viewDidLoad method you could do something like: UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 480, 44)]; label.backgroundColor = [UIColor clearColor]; label.numberOfLines = 2; label.font = [UIFont boldSystemFontOfSize: 14.0f]; label.shadowColor = [UIColor colorWithWhite:0.0 alpha:0.5]; label.textAlignment = UITextAlignmentCenter; label.textColor = [UIColor whiteColor]; label.text = … Read more

Can not change UILabel text color

UIColor’s RGB components are scaled between 0 and 1, not up to 255. Try categoryTitle.textColor = [UIColor colorWithRed:(188/255.f) green:… blue:… alpha:1.0]; In Swift: categoryTitle.textColor = UIColor(red: 188/255.0, green: …, blue: …, alpha: 1)

Format UILabel with bullet points?

Perhaps use the Unicode code point for the bullet character in your string? Objective-c myLabel.text = @”\u2022 This is a list item!”; Swift 4 myLabel.text = “\u{2022} This is a list item!”

Handling Touch Event in UILabel and hooking it up to an IBAction

Check it out: UILabel *label = … label.userInteractionEnabled = YES; UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(labelTap)]; [label addGestureRecognizer:tapGesture]; The trick is to enable user interaction.

Center NSTextAttachment image next to single line UILabel

You can use the capHeight of the font. Objective-C NSTextAttachment *icon = [[NSTextAttachment alloc] init]; UIImage *iconImage = [UIImage imageNamed:@”icon.png”]; [icon setBounds:CGRectMake(0, roundf(titleFont.capHeight – iconImage.size.height)/2.f, iconImage.size.width, iconImage.size.height)]; [icon setImage:iconImage]; NSAttributedString *iconString = [NSAttributedString attributedStringWithAttachment:icon]; [titleText appendAttributedString:iconString]; Swift let iconImage = UIImage(named: “icon.png”)! var icon = NSTextAttachment() icon.bounds = CGRect(x: 0, y: (titleFont.capHeight – iconImage.size.height).rounded() / … Read more

How to draw border around a UILabel?

You can set label’s border via its underlying CALayer property: #import <QuartzCore/QuartzCore.h> myLabel.layer.borderColor = [UIColor greenColor].CGColor myLabel.layer.borderWidth = 3.0 Swift 5: myLabel.layer.borderColor = UIColor.darkGray.cgColor myLabel.layer.borderWidth = 3.0

How to add line break for UILabel?

Use \n as you are using in your string. Set numberOfLines to 0 to allow for any number of lines. label.numberOfLines = 0; Update the label frame to match the size of the text using sizeWithFont:. If you don’t do this your text will be vertically centered or cut off. UILabel *label; // set frame … Read more

AutoLayout link two UILabels to have the same font size

From the UILabel documentation on adjustsFontSizeToWidth: Normally, the label text is drawn with the font you specify in the font property. If this property is set to YES, however, and the text in the text property exceeds the label’s bounding rectangle, the receiver starts reducing the font size until the string fits or the minimum … Read more

Animate text change in UILabel

I wonder if it works, and it works perfectly! Objective-C [UIView transitionWithView:self.label duration:0.25f options:UIViewAnimationOptionTransitionCrossDissolve animations:^{ self.label.text = rand() % 2 ? @”Nice nice!” : @”Well done!”; } completion:nil]; Swift 3, 4, 5 UIView.transition(with: label, duration: 0.25, options: .transitionCrossDissolve, animations: { [weak self] in self?.label.text = (arc4random()() % 2 == 0) ? “One” : “Two” }, … Read more

How can I get text to wrap in a UILabel (via UIViewRepresentable) without having a fixed width?

Possible solution is to declare the width as a variable on MyTextView: struct MyTextView: UIViewRepresentable { var width: CGFloat func makeUIView(context: Context) -> UILabel { let label = UILabel() label.lineBreakMode = .byWordWrapping label.numberOfLines = 0 label.preferredMaxLayoutWidth = width label.text = “Here’s a lot of text for you to display. It won’t fit on the screen.” … Read more