Uilabel setneedsdisplay not working. Swift - auto layout UILabel height based on its contents.
Uilabel setneedsdisplay not working Currently everything works fine except the label doesn't get updated. yourLabel. I NSLog'd it, like. intrinsicContentSize() return CGSize(width: contentSize. Every time I try to update the score label the entire screen freezes up for a split second, all the objects from the previous frame remain on the screen while the next frame is drawn on top of it with the score label not updating. Here's the code for the view, the updateDisplay method is called by the worker thread. drawRect:, or drawLayer:inContext: (with an empty drawRect() defined) If drawLayer:inContext is not defined, then drawRect is called. needsDisplay = true self. I have NSLog the label. I tried setting the label's height programmatically but it does not work. What am I missing? ios; dynamic; font-size; Share. let texts = UILabel() texts. Ask Question Asked 7 years, 9 months ago. I have set the number of lines to 0 and still not dice. This all works great, however, the frame of the subclassed UILabel does not change until the cell is redrawn. For this I use setNeedsDisplay:YES and I have also tried display. How can i fix it. I'm currently looking at a UILabel with the property addMessageLabel. - (void)updateDateLabel { NSDateFormatter *outputFormatter = The best approach to add padding to a UILabel is to subclass UILabel and add an edgeInsets property. Tell me what could be the problem. When pointer-events is auto, the click stops on the label and does not bring focus to the input. 0]; NSDictionary *attributes = @{NSFontAttributeName: font}; // the first parametric CGSize is the max size that the rect's size can be CGRect boundingRect = In order to detect the behavior of refresh UI on background thread,I used the third-part library ODUIThreadGuard. appearance(). I use the same method i applied for some of my collection view : we should remove/reset your subview where you create In general for UILabel clickable issue: There are couple of reasons why your UILabel will not work as clickable. UITapGestureRecognizer not working on UILabel. 0. updateConstraints { (make) in make. 0, 0. Once you solve your layout issues and have AutoLayout Not working on UILabel. I have a UILabel that not wrapping correctly my string as in the screenshot: As you can see I have "composizion\ne musicale" instead of "composizio\nne musicale". 1 and 7. Viewed 3k times Part of Mobile Development Collective 3 I have a UILabel, that I am setting up like this: class someSuperclass { var firstLetterLabel = UILabel(frame: CGRect(x: 58, y: 0, width: 81, height: 120)) func commonInit The code above will add the CheckOutCartVC as a subview to my RootViewController. It only works if I call setNeedsDisplay inside preferredContentSizeChanged. Thats what i thought also; but even when i put it as 0. 3 UILabel shows only first line of the text despite I set label. I have created UITableCellView class called NoteCell. My app uses a custom cell to display products in a tableview. 1. However, the label did show and was never removed. Today I came across weird behaviour UILabel despite having set the UILabel does not get the expected font/color applied. that SetNeedsDisplay is a key part of it. xib) file when the view controller is loaded (viewDidLoad or I think you'll find what you're looking for in the documentation for UITextInputProtocol. But still the problem persists. Run(), and update the UILabel on the UI thread. width + 50, height: contentSize. cornerRadius = 5. I need a little lower down the UILabel. You then set the desired insets and the label will be drawn accordingly. To learn more, see our tips on writing great answers . When I click the button, the background changes to white, but the label text colors do not update, I believe that is because it is not redrawing them. I have subclassed the cell and linked the label to it. This causes the label to be clickable. setNeedsDisplay not working? Ask Question Asked 16 years ago. As a start I just want to update a UILabel on my _countUpView UIView when the download has finished and the unzipping begins. Secondly, using NSAttributedString with UILabel is not as reliable as using it with UITextView. i'll add the uilabel code. 0). I have the UILabel positioned so the text will appear inside of a heart in the UIImageView. We have to manually apply these attributes. text = message self. I have everything working except for one weird part: the text in the UILabel overwrites itself (i. isUserInteractionEnabled = true The problem is that one or more of the label's superview has a frame size of 0,0. Text = title; UIView [As he knowingly digs up a more-than-one-year-old thread ] One thing I sometimes wish I could do in IB is enter text without embedded line breaks, set UILineBreakModeWordWrap and numberOfLines = 0, and then Within setText: I have used sizeWithFont to get a dynamic height for the UILabel. In the content view of this cell, from top to bottom, I have an avatar UIImageView(1), a UILabel(2), a button to fold/unfold the UILabel(3), a UICollectionView(4), a UIStackView(5), I have timer in C when I start timer it's working fine but when I push back to any view and again come to View C it's not showing updated values. Commented Nov 25, 2018 at 2:29. – samthui7. For some more high level information, check out Apple's Text, Web and Editing Guide, specifically in the section titled "A Guided Tour of a UITextInput Implementation". text = " It is a bit tricky but when you add a \n in your text, that also means that if you haven't explicitly told your UILabel to take that into consideration, it will only show the first linewhich is empty in your case :) So, try adding. The solution below is only iOS7+. The window pops up after the simulation is done. The label seems to be resized, but remains on one line. Yes auto shrink doesn't work for multiple lines in UILabel. to tell your UILabel to use as many lines as is needed for the text. Thanks SeanK. I want to align justify my text in UILabel but it seem like not work. intrinsicContentSize return CGSize(width: size. width + contentInset. totalQuantity. iphone; cocoa-touch; Share. Asking for help, clarification, or responding to other answers. self. async() { self. I have a view in Tab Bar Controller with a UIImageView and UILabel. main. I'm using XCode 7. So what could be missing here? Note: All the variables used - baseScrollView, myStringForThisSection and myOriginForThisSection - were loaded before the above code began executing, and work fine. I'm having problems when Im trying to call this from inside of the UIView itselfI have a notification being sent from another class, and it I tried this both targeting iOS 5. Viewed 20k times 5 I have a problem redrawing a custom view in simple cocoa application. I have a button and I want to share with respect to its center the UILabel, as if I did not change the values of x and y inside UILabel up at the bottom, they do not move. frame. Why Can't I see it even if its "hidden"property is false? P. This seemingly has been Create a custom UIView which uses intrinsicSize to let AutoLayout automatically adopt to different content. shape = polygonShape; in awakeFromNib, or in updateInterface. UILabel not centering. So it might draw, but not according to the data you expect. So should it shrink the whole text to I have a UIView-derived view that is drawn only once and never updated. Ask Question Asked 11 years, 11 months ago. Viewed 4k times Part of Mobile Development Collective 0 I am trying to add a UITapGestureRecognizer to a UILabel that will animate down from the status bar if the user has a new announcement. This is very much a test program (I am new to this language) but it would be useful to control something like this I have two scenarios where this works well, When the app loads the colelctionview is hidden from user. – Chewie The Chorkie. I think there should be something like polygonShapeView. Modified 5 years, 4 months ago. snp. – Padin215. Something like: and then call the setNeedsDisplay function on it: myLabel. Now drawRect method is called both on But it is not reloading because of “self. 1-setNeedsDisplay not getting called to refresh drawRect. sizeToFit; but I'm still getting something like this: "Some text here\nAnd here I want new line" Thank you I am trying to update the UILabel of IBOutlet, however for some reason the content is not getting updated. What should I do to truncate All of which I seem to be doing in the code above - and works perfectly when fitting long strings of unknown length into multiple lines on the UILabel. The header defines the following: #import <UIKit/UIKit. Or else, is this a bug that UIView. UIlabel layer. frame) } i call it in a standard NSNotification Selector, so there's a chance that it's not on the main thread, from Displays the view but confines drawing to a specified region and does not back up to the first opaque ancestor—it simply causes the view and its descendants to execute their drawing Instead, if you want a view to redraw immediately, you should call its setNeedsDisplay() method like this: myButton. vertically center align text in the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company In the comments above you mentioned you're not currently setting preferredMaxLayoutWidth. If I set the numberOfLines to 2, the truncate works fine. setValue(MyFonts. Probably you can't do it with UILabel in the simple way. I am trying to set a background color programatically for a UILabel defined in an interface builder (. try dispatch_async instead of dispatch_sync – sateesh. So create second TapGestureRecognizer and assign one to UILabel and one to UIImageView. Its working fine all version of iOS < 7. h file ///Below interface @property (nonatomic) IBInspectable UIColor *borderColor; @property (nonatomic) IBInspectable CGFloat Using 0 or anything greater than 1 will not work. [UILabel setNeedsDisplay] must be used from main thread only" – Halil ibrahim yüce. This property tells your label that it should lay out its text over the width of that property's value. setNeedsDisplay() That will ask UIKit to redraw I added a setNeedsDisplay after I noticed that the UILabel was not updating. Swift Beta performance: sorting arrays. You need to create two UITapGestureRecognizer object because UITapGestureRecognizer works with single UI element object. cornerRadius not working in iOS 7. All other collection view cells are showing font sizes set from Storyboard. I then have a property on MyView called color. Modified 7 years ago. I found that tapping on the sides of the UIPageControl the dot would progress, ie not on my arrows and not triggering a method of mine. I'm not sure what exactly caused the issue (Masonry [constraints framework] or iOS8 changes to UILabel), but the solution was to change the view hierarchy. First we add this to - (void)drawRect:(CGRect)rect of your UITextView subclass. My case should be simple, I have a Custom UIView in my controller, from my controller, I use the [self. Hot Network Questions I make a test with a UIButton and in this case the button display instantly but the label inside the button display with the same delay than my UILabel. width = 100 texts. Why? Is it possible to do the job without this line? I'm writing an app for the iPhone and I'm finding that the UILabel is not updating. 0f; On a device with iOS 7. I also call the sizeToFit() method. h. I even tried removing the view and readding it and calling SetNeedsDisplay, but nothing seems to help. text = @"This is a Label" followed by [cell setNeedsDisplay];, the text does not appear and I have to scroll the tableview causing the cells to reload, and only then the text in the label finally appears. Double check your label constraints in IB (or wherever you set them). This was introduced in iOS 11. I am setting the cornerRadius property for UILabel. it is working only if I statically increase the height of the label, but I doesn't know at runtime [self. I need to put two UILabel in UIToolbar. 4. Tap gesture recognizer added to UILabel not working. class MyLabel: UILabel { required init?(coder aDecoder: NSCoder) It works for UILabel, but not for UITextView and UITextField. However, although i I saw many threads related to this issue, but none addresses my case (I think). How to add line break (in other words add new paragraph) in multiline UIlabel? I have a label with a lot of text, lbl. Related questions. I do not need different fonts. numberOfLines = 0; lbl. OSLabel. Here's a solution I found in Swift that's working for me: class MyLabel: UILabel { } extension UILabel { @objc dynamic var customFont: UIFont I am working on a Swift project with Storyboards where I want text to wrap in a label. bottomMargin == UILabel:0x100b65020. In the toast view, they had extended functionality to I have been using UILabel for showing multiple lines of text in many projects by setting numberOfLines = 0. textLabel. view setNeedsDisplay and self. 1f, the text does not adjust size. I'm not dynamically creating the label, just picking from the object library. From UIGestureRecognizer documentation. Swift Update label with Parse object. Modified 7 years, 9 months ago. Initially, the content is getting loaded from the model, which performs jsonResponse in async. Commented Jan 30, 2018 at 18:51. it looks like a circle), to re-size when pinched: - (void) The equivalent gesture to move it around in the view has continued to work. text=@"Initial Text"; [myLabel setNeedsDisplay]; Try calling the setNeedsDisplay method on your UILabel after setting the text [self. Modified 6 years, 9 months ago. App Delegate -(int)updateTimer { timer_value--; return timer_value; } View "C" Code I just assumed that self is a view controller, firstname is the UILabel and text is its NSString property representing the text to be displayed. I found that sometimes IB tries to fix the constraint settings and adds a >= or <= constraint for leading and trailing edges. Modified 9 years, 11 months ago. Drawing is based on one parameter that is being changed by a simple NSSlider. addGestureRecognizer(tap) This is my downloadFile function. layer setShadowColor:[[UIColor purpleColor] CGColor]]; [self. Mind that I'm not even changing anything on it, but just by using it it's messing up with the alignment. I do not want to use UITextView because it is a subclass of UiScrollView, I implemented uitextview earlier but part the text just cut off, that is why i choose UILabel. add it to the overview and pop the overview in front of the current view: UILabel labelTitle = new UILabel(); labelTitle. I'm having problems when Im trying to call this from inside of the UIView itselfI have a notification being sent from another class, and it Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I've seen similar questions here, but still can figure out why it's not working. Commented Jun 14, 2016 at 15:34. I am not sure calling from non main thread was the cause to your problem but at least there are other possibilities there. Autolayout to Dynamically Resize UILabel not working. Constraints on UILabel not working. But Its unable to show updated value , but when I am printing label text, its showing updated value. viewWithTag(1000) as! UILabel msgLabel. Teams method on your instance of UILabel with the new message each time. This did not work for me. My UIView is not updating. func heightForView(text:String, font:UIFont, width:CGFloat) -> CGFloat{ let label:UILabel = UILabel(frame: UILabel not responding to touch event. What I wish for: I wish for a label which is hidden and uneditable when the view loads or when pressing a button besides the button with the tag "15", and by pressing the button with the tag "15" is the only way for the label to show up and be editable. I am trying to change default text color for all labels in my app. but screen view is not updating. [self. I've used this technique extensively in the past. 6. Does anyone have an idea how I should get this working? image illustration I have a UITableViewCell. I've also tried putting a setNeedsDisplay and setNeedsLayout in as well, just Do not block the UI thread, perform the download on a background thread, something as simple as await Task. Here is my custom Cell code: class ItemCollectionCell: setNeedsDisplay not working inside a block. isUserInteractionEnabled = true msgLabel. In broad strokes, you want to make sure the APIs you're calling are thread-safe (can be used from multiple threads simultaneously), or you have to ensure you only use them from a single thread, and a few APIs can only be used on the main thread. – Problem finally solved. callWebservice(urlStr) buildings completed" self. I have a UILabel buried in a few layers of subviews and I can't seem to change it's text. What I'd like is to have Interface Create a category of UIView In . setNeedsDisplay call and should be the smaller specified rectangle (0. h: If nonzero, this is The problem is that the setNeedsDisplay message does not work within the loop and the view is only updated when the method quits. There is a second button You can use this method or the setNeedsDisplay(_:) to notify the system that your view’s contents need to be redrawn. I connected (via UITapGestureRecognizer) another UILabel I'm new to x-code and I am trying to set the x,y position of a UILabel but I can't figure out why it is not working. 3 Does not work when setting label programmatically and adding \n (newline) to the string. @interface ViewController:UIViewController{ IBOutlet UILabel *badgeslabel; } @property (nonatomic,retain)IBOutlet UILabel *badgeslabel; @end I'm having an issue with an iPhone app I'm working on. layer. progressCountTextLabel setNeedsDisplay]; Share. I set up a UILabel to display the current loading status (eg: "Loading file", "Parsing file"). left + I have some labels which I want to adjust their height to the text, this is the code I wrote for this now. Calling [self setNeedsDisplay] has no effect. let emptyView = UIView() emptyView. When user clicks a button the data is loaded on each page. Need variable height function to work. But its not working . Not on others. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil details:( This code used to work and cause a square UILabel, that has a border with corner radius set to half the length of the side (i. Viewed 21k times Part of Mobile Development Collective 9 I set the numberOfLines to 1 in the IB, but when I set the text to a long string, it doesn't truncate. but nothing changes on the actual display. , you don't explicitly create a thread or similar), the operating system won't be able to update the UI. This lib is based on hook UIView's setNeedsLayout、setNeedsDisplay、setNeedsDisplayInRect selector. Is there other setting to set? The most common reason for sizeToFit not working properly is the UILabel not having any autolayout constraints, for instance if you're implicitly relying on the view position remaining fixed relative to the top left. Modified 8 years, 9 months ago. rectView = [[rectView alloc] Auto layout not working on multiline UILabel. I have tested on simulator and real device but it produce same problem. zero { didSet { setNeedsDisplay() } } override public var intrinsicContentSize: CGSize { let size = super. 291 1 1 You may need an explicit [self. h" @interface NoteCell : UITableViewCell { Note *note; Recent solution for Swift 5. myView setNeedsDisplay] and it works perfectly. I have a subclass of UITableView in my iOS app (Swift 4, XCode 9). Modified 10 years, 11 months ago. Ask Question Asked 11 years, 1 month ago. If I don't use the block and simply use cell. I've seen fixes including. The text is not broken and goes to far to the right - The UILabel is working as intended by preventing an orphaned word so it’s more readable. If possible, you can use UITextField to vertically align content. I have tried to use UILabel. text); Asking for help, clarification, or responding to other answers. This thread is basically a UILabel extension. 10. Learn more Explore Teams. Ask Question Asked 6 years, 6 months ago. There are two methods updateDateLabel and updateTitleLabel (which will assign two different labels) that'l be called when the app loads first time and number of times again after loading the app based on user request. My text: Don't worry, your data will not be sold. numberOfLines = 0. Here are the settings for Swift. Also I called setNeedsDisplay from a non main thread and it worked too. layer setShadowOffset:CGSizeMake(3, 3 OK so the answer is the view is never actually added to the viewController's view You have an IBOutlet to your rectView - so I assume you dragged a UIView component onto the view in Interface Builder and then changed it's class to rectView, which is all fine BUT in viewDidLoad you wipe over this object with a new one. #import <UIKit/UIKit. In it there is a UILabel (this is added in code not in InterfaceBuilder for reasons). What if you remove constraints and just shrink label's frame Xcode 12. Modified 3 years, 4 months ago. If your label is included in a nib or storyboard as a subview of the view of a ViewController that uses autolayout, then putting your UILabel sizeToFit not working properly. 988. But the UILabel is just not changing. Can somebody advise what am I doing wrong? I have checked a lot of questions on SO, the latest one is this. The You can use this method or the setNeedsDisplay() to notify the system that your view’s contents need to be redrawn. Label. Commented Jun 3, 2015 at 6:35. h ("IBOutlet UILabel *myLabel;") and connected to its corresponding UILabel interface in the Xib file. How do I overcome this? Note: In the code below, the size will not change when redrawn because of the if statement. 9. e. Size of Your I am trying to add tap event in UILabel inside tableView cell as below. The Problem. Making statements based on opinion; back them up with references or personal experience. The problem is that the UILabel testLabel DOES NOT APPEAR when the program is run? I have tried setNeedsDisplay and that doesn't help. What I'm trying to achieve is something like an HTML canvas that would allow dynamically drawing different shapes and images as well as animating those shapes over time. In UILabel. setNeedsDisplay confusion. Modified 10 years ago. below code is to calculate the rect for dynamic text length (ios7 version) - (CGRect)labelFrameWithText:(NSString *)text { CGRect rect; // the font of your text UIFont *font = [UIFont systemFontOfSize:15. Ask Question Asked 10 years, 11 months ago. Don't worry,your data wills not be sold. 0 using Xcode 5. When that view's . Viewed 4k times Part of Mobile Development Collective 2 I have a problem to implement the text vertical alignment inside a table cell. Viewed 766 times Part of Mobile Development Collective 0 I'm resizing a table's cell and a UILabel. setNeedsDisplay no refresh the screen. Improve this answer. I am trying to show a variable height amount of text through UILabel. use of setNeedsDisplay. clipsToBounds property is false, it allows its subviews (the label, in this case) to be seen on-screen, but it extends outside the bounds of its superview. That still doesn't explain why you need an array. Setting setNeedsDisplay on another view. Is there any setting that I've missed? Seems like the default behavior is not wrapping, but i have changed it to "word wrap" but the label height is still not expanding. [NSThread isMainThread] was how I made sure that my calls were not from main thread. Try Teams for free Explore Teams. 0, 100. Viewed 21k times 8 . UIView setNeedsDisplay doesn't work. Swift update UILabel with dispatch_async not working. This table has one row and I want it to display an alert when it's clicked, get some input from the user, and then update a label (lblUserFromPrefs) in the table when the user clicks "OK" in the alert. . Commented Feb 12, 2015 at 7:19. 483. Viewed 969 times Part of Mobile Development Collective 0 I am trying to figure out the height of a long string "one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen" as would be needed to The problem is this line: NSMutableAttributedString *str = [addActivityLbl. I have a HUGE problem. I have set my UILabel padding using StackOverflow's popular thread for resolving auto-layout issue. frame = CGRect(x: 0, y: 0, width: 0, height: 0) stackView. I have a label in a tableview cell with several constraints in Interface builder. addArrangedSubview(emptyView) As you can see in the second clipsToBounds on UILabel not working. getters should not be used for side effects - may that why its not working - any idea why its not working in my demo project – bhavya kothari. text and the text is updated. 0. call sizeToFit on the label after the text has been set AI features where you work: search, IDE, and chat. Modified 9 years, 10 months ago. Can anyone please help me. When pointer-events is none, a click on the label passes through to the input and causes it to receive focus. Just like a UILabel which automatically resizes depending on its text content, font, Swift 4 - setNeedsDisplay and layoutIfNeeded not redrawing UILabel on self. I've This second output is from redrawing due to the customView. It was an issue related to UILabel extension used in the project. After some research I found the best solution for what I needed. I would like it to update itself during the simulation. var contentInset: UIEdgeInsets = . I'm making a little game and I'am having trouble updating an UILabel I created to display the current score. I ran into a similar problem four days ago ( Can't assign text to UILabel or pass NSString property when modally loading a view controller ), and the only thing that worked I want to display some sort of time elapsed to the user. 1 UILabel numberOfLines. – SushiHangover Commented Jan 21, 2017 at 23:13 Asking for help, clarification, or responding to other answers. And if I just remove the NSParagraphStyle it starts working. To learn more, label have alswayz size and origin it showing warning <NSLayoutConstraint:0x174095900 UITableViewCellContentView:0x174185fe0. Align Justify. h> @interface OSLabel : UILabel @property (nonatomic, assign) UIEdgeInsets edgeInsets; @end OSLabel. Commented Feb 1, 2013 at 16:54. testLabel. Here's what it looks like: Inside my View Controller's viewDidLoad . Try Teams for (void)setProgram:(NSArray *)program { _program = program; [self. Hello, I am working on a Native UI Component. 3. where -(void)updateProgress is a function I defined to call [theLabel setNeedsDisplay]. The product name when used on an iPhone 5 was running off the end so I set it to wrap which doesn't work. 2. lblDescription setText:@"This is going to be a test description but a very big description that should increase in height"]; [self. 5. height) } } The labelB (Bar) is working as expected, but the labelA (Foo) isn't. graphView Mark Amery gave a fix for NIBs and Storyboards using Auto Layout in the comments:. setNeedsDisplay() does not re-render? React Native version: 61. Steps To Changing this in the manner shown below does allow the tooltip to work, but you should NOT do this. 1. xib file that is hooked up to my . So, change the label with a button and set buyNowClicked: method at TouchUpInside event on it. And as per description it's available. In the old Objective-C version where I did not use a Storyboard I used the following settings and things worked perfectly. Making statements based on I have a UILabel on both sides of a UIPageControl, as pictured below:. I created another UIView that contains both UILabel and my UIView (drawn beak) instead of adding the UIView to UILabel as subview. - Temporarily change the background the colour of the UILabel in your prototype, us that to see if the label is actually on the screen and not being hidden by one of the other labels – Flexicoder Commented Oct 31, 2014 at 17:04 I have a problem with UILabel being not assigned with Text, when the app loads up. I call setNeedsdisplay from my label but it is not working and it makes my app laggy when scrolling. Adding TapGestureRecognizer to UILabel in Swift. However, although i implement -setParameter: and -parameter methods and bind UILabel textRectForBounds not working. What I want to do is based on the length of the text I want to display a message top I've tried setNeedsLayout and setNeedsDisplay on the UILabel, the UITableViewCell, the UITableView and the view controller loading the table. Using this property in combination with lineBreakMode = NSLineBreakByWordWrapping and sizeToFit method allows easily resize a UILabel instance to the height that accommodates the entire text. Trying to add tap gesture to UILabel inside of UITableView - tap gesture not being called. h> #import "Note. I almost wasted week to finding and trying different solutions. Viewed 485 times 4 . A quote from iOS documentation: This is my code, and not working the numberOfLines. 17 At the risk of sounding unhelpful, that's kind of just how it works. Apple must disable it for iMessage because they probably intend this behaviour for long articles of text, not text messages. I tried [messageBox. Sizing label with Autolayout. Commented Feb 12, 2015 at 7:17. size. (invalidateIntrinsicContentSize was not working). – I can only guess, but it seems your polygonShapeView is not linked in any way to the polygonShape. HELVETICA_NEUE_REGULAR_15 Put a breakpoint inside the touchesMoved and touchesBegan (didn't work) Tried to add a UITapGestureRecognizer (didn't work) Enabled self. What could cause this? It doesn't matter whether the drawing code is in. SetNeedsDisplay not working. I found that even though I had Lines = 0 and LineBreak = Word Wrap set, it still didn't wrap the long label text. it draws itself over itself so that all the values are superimposed over each other and it is unreadable). Not the instance from the last time I called the method). setNeedsDisplay(self. So to my knowledge it is being passed correctly between controllers. 2/ I verified that the label is not nil and is pointing to the same label in both cases (I output the label object to NSLog) Finally, I am able to find why my Autolayout to Dynamically Resize UILabel not working. I believe that I need to use setNeedsDisplay on the view that holds the UILabel but I can not seem to figure out what I am doing wrong, here is my code: Now I know that all this code is working since the subview changes it's background color and the testLabel gets the correct text since it's printed out by the NSLog statement. Ask Question Asked 5 years, 1 month ago. here is my code . But nothing else would change, so I set isUserInteractionEnabled to false on the UIPageControl. attributedText mutableCopy]; I don't know the previous lines of your code, but it might be the case that addActivityLbl. Adding any constraint at all (leading, top, centerY, anything) will fix it, presumably because it will result in layoutSubviews being called at some point, as Here are my code I've call this initializer from different class. m file with an IBOutlet is not updating whether I try to set the text in the init file, viewDidLoad, or viewWillAppear. s the UILabel text is assigned My suggestion is to rework your design and change the UILabel to an UIButton, because UIButton simply handles tap recognition, and also you do not have any issue of tap forwarded also to the UICollectionView (didSelectItemAtIndexPath: will be called indeed). I had referred some git hub project to show toast message on the screen. iOS Swift: maximumContentSizeCategory not working on UILabel. Part of the answer is: class NRLabel : UILabel { var textInsets = 1/ I tried adding the remove statement immediately after the add statement which should have resulted in the label not showing at all. m I have a UILabel(descriptionOfProgram) on a second ViewController(GraphViewController) that needs to be set when the segue from the original MVC occurs. This method should reload my view. Each cell is populated in my Customcell class using the code below, I've added a couple of lines to the brandTxt label which again does not work. lblDescription sizeToFit]; I saw many threads related to this issue, but none addresses my case (I think). If you have long-running code in the main event loop (i. The issue is that it is not updating the UILabel with the new value. Swift - auto layout UILabel height based on its contents. Using setNumberOfLines doesn't work. None of this works for me however. I changed the intrinsic content size with the following code: class CustomLabelWithPadding:UILabel{ override func intrinsicContentSize() -> CGSize { let contentSize = super. Any help is gratefully appreciated. bottom + 72> what does this mean? – simmi ahuja Set UILabel height programmatically Swift not working. Sadly, it would take an entire book to explain thread safety throughly. Modified 8 years, 1 month ago. Viewed 532 times Part of Mobile Development Collective 0 I've been struggling for the past hour with constraints in Swift. The only way I can get the UILabel to display text is by using the Block above. find answers and collaborate at work with Stack Overflow for Teams. here is my code- override UILabel truncate text not working. nowPlaying setNeedsDisplay]; to force an update. It discusses how you can create indexed positions in text, and ask touches what text position I encountered a strange problem. The attributedText of a UILabel does Minor suggestion: try to add a gaugeView1. isUserInteractionEnabled = true (didn't work) Make PaintingSubclass inherit UIControl and call sendActions(for: . you have text with multiple lines, you want to shrink it so that it "fit" with the width. Commented Feb 21 Xcode 11 - Swift - UILabel backgroundColor not working at viewDidLoad or viewWillAppear. -(void)repaint { [self. Ask Question Asked 8 years, 9 months ago. Viewed 1k times Part of Mobile Development Collective 3 Within a storyboard, setting autoshrink to minimum font scale works fine when I run my app on iOS7. iOS: KILabel not responding to touch events. The only way to have it working as I want is to add a [lbl setNeedsDisplay]; in the main thread to force the UILabel to be displayed instantly. view setNeedsDisplay] right after setting the label text but that doesn't help either. 2. MyLabel is declared in CustomViewController. It uses a separate class called Radio which streams a station in. netUtil. Can't get setNeedsDisplay not working with my custom view to show changes. let tap = UITapGestureRecognizer(target: self, action: #selector(downloadFile(_:))) let msgLabel = cell. App Delegate script which detects whether the user is already logged in and if so goes straight to View Controller, if not goes straight to Login View Controller: import UIKit @UIApplicationMain Resizing UILabel not quite working. without it, animation will be ignored and the label will move to the given position. 1, Swift 5. Ask Question Asked 10 years, 10 months ago. Modified 5 years, 1 month ago. Follow asked Jul 10, 2009 at 18:40. A custom UILabel's appearance would work if added from a storyboard, but not if added from code. 971. If you read a string from an XML file, the line break \n in this string will not AI features where you work: search, IDE, and chat. Thanks Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Viewed 746 times Part of Mobile Development Collective 1 . valueChanged) at the end of touchesMoved and touchesBegan (didn't work) Current Code The most important part is that you must override both intrinsicContentSize() and drawTextInRect() in order to account for AutoLayout:. Else using NSAttributedString and the text of label, you can adjust Line-Height (Not sure). Storyboard - UILabel auto shrink not working. However, when I switch to running it on iOS6, the auto shrink doesn't Asking for help, clarification, or responding to other answers. Any view in that condition will not respond to touches / gestures. I can't for the life in me get my labels to look exactly how they do in the storyboard. textColor, but it's not available for me. Compiling for iOS 8. I have been reading about the potential auto layout issues with preferred width settings. NSLog(@"theLabel: %@\n",theLabel. equalTo(self) } I have a subclass of UIView called MyView that I am creating. The cell is self sizing and thats working fine. If that is right then NSString will not respond to setNeedsDisplay. Also if anybody runs that project be sure to exit the application by pressing the home button. When I press the my checkout button, it will reveal this uiview coming from the right side (not covering the entire controller) In my CheckOutCartVC, where i passed the 'invoice', i tried to log the _invoice. view setNeedsDisplay]; } I have even removed the subview from UIView and then added the subView again. I tried this both targeting iOS 5. Is it possible baselineAdjustment = . So my obvious questions are: Can you I just discovered some logic in my codebase where MKOverlayRender 's setNeedsDisplay() was being called outside of the main queue. However, another align is left,right,center work. The really weird thing is that when I log the description of these labels, the text has been updated, but it is not visible. setNeedsDisplay() Swift update UILabel with dispatch_async not working. This method adds the specified rectangle into the view’s current list of DispatchQueue. Is there any thing I can do here? Is the approach feasible or am I completely down the wrong track. My problem is, that the "trailing space" constraint is not working. 2 Auto layout not working on multiline UILabel. Ask Question Asked 9 years, 11 months ago. " . I am having problems updating my customView object during simulation. view setNeedsLayout are not working. The code to update the label is inMyCardSubclass's updateVisualElements method. A gesture recognizer operates on touches hit-tested to I set a UIlabel in UITableViewCell I want to make the height of UITableViewCell dynamically ,so I add some constraints with UILabel,When enter the UIViewController,the label and the height of UITableViewCell is not Set UILabel Align top is not working in the cell. Ask Question Asked 12 years ago. I took this out for testing and found I am setting json string value to UILabel using dispatch_async method. AlignCenters will not work for certain custom fonts? – pietrorea. Multiple lines of text in UILabel. Teams. I want to have extra paddings to these UILabels. 0 installed, it has rounded corners. Below is the code for setting the height: let attributes = NSMutableDictionary() attributes. If I changed background color - it works. I set everything up through a combination of Xcode's storyboard and UILabel set shadow radius is not working. It doesn't update it immediately, as you might think. In my UILabel I set number of lines = 0 and line breaks = Word Wrap. I'm not seeing the new values appear in the UILabel. also autolayout and frames don't work well with each other, so you should layout your custom view in "updateConstraints" method, similar to this: customView. A UILabel in my . private extension UILabel { // MARK: - spacingValue is spacing that you need func addInterlineSpacing(spacingValue: CGFloat = 2) { // MARK: - As an aside, calling setNeedsDisplay only lets the system know that the label needs to be updated in the next run loop. attributedText is empty. This method makes a note of the request and returns immediately. Another method if the above way does not work is re setup cell as describe here. When I slide a UISlider, I want the RPM guage pointer to increase and the UILabel inside the RPM guage to update. Following code i have used, UILabel *originaltagLbl = [[UILabel alloc]initWithFrame:CGRectMake(sta The text will show properly the following times I run this method however (and yes, it shows the latest 'someString'. UIView Basically, I have a custom UILabel subclass that sets the label colors based on a variable. You can send that message to a view but not to a string. A worker thread updates a string and calls a method on the view that changes the text in a UILabel subview. Make sure to mark UILabel UserInteraction true and if yourLabel is inside other view than mark that view UserInteraction true too. Conor B Conor B. setNeedsDisplay() immediately after the value update? – Romain. lblProcess. In iOS 6 Apple has added a property to UILabel that greatly simplifies dynamic vertical resizing of labels: preferredMaxLayoutWidth. edges. Scenario 1 : The dynamically calculated font is properly set on the first collection view cells. However, I have set a delegate once the content is there to update the layout for which I am calling setNeedsDisplay. kbkys dabq ndiaf gqjo tyhlvj gmmnjnr dnnh ipqhlu gee ych