Cheers. (Inherited from UIView) Highlighted: Unfortunately, even if we're using autoLayout and making sure we don't have any ambiguous constraints within theFooterView, the system can't correctly calculate its size so it has a height of 0. How to give coordinates of Button centre in swift 5 Method of automatic layout in IOS Scrollview (applicable ... UIScrollView Scrollable Content Size Ambiguity-第3页回答 - 码农岛 It says Ambiguous Layout, width is ambiguous and height is ambiguous. Ambiguous reference to member 'collectionView(_:layout ... Now is time to dive into LLDB. UILabel in UITableViewCell with auto layout has wrong height Solving ambiguous constraints without rerunning your app ... Add UIView in ScrollView, pin it 0,0,0,0 to all 4 sides and center it horizontally and vertically. Add UIView in ScrollView, pin it 0,0,0,0 to all 4 sides and center it horizontally and vertically. (Inherited from UIView) Hidden: Specifies whether the UIView displays or not. If we manually add a fixed size, we can see that the footer is displayed: footerView.frame.size.height = 100 Set the ViewController's (the one holding the UIScrollView) size to Freeform in the size inspector in Interface Builder and all should work. 1) ScrollView Contraints . Make the size of the content view same as the UIScrollView. I found a way to implement this. footerView.frame.size.height = 100 Dynamic UILabel height inside UIScrollView with Autolayout UIWindow:0x7fa7da70a1c0| UITransitionView:0x7fa7da7047c0 ... Layout Issues list on the Issue Navigator. Returns true if the Auto Layout for this UIView is ambiguous. By default, when the elements in the Scrollview are less than a screen height, you cannot scroll. MKAnnotationView Class (MapKit) | Microsoft Docs (Inherited from UIView) Hidden: Specifies whether the UIView displays or not. 关于Autolayout和Masonry自动布局的几个坑. The content size is determined after the view is loaded and set. Next, we will do the same for the UIView. The layout for the image view height property is ambiguous. Set Autolayout Constraint to Top:0, Leading:0,Bottom:0,Trailing w.r.t UIScrollView. Thanks. I simply made my UIView container view a lot taller than my screen (working on iPad so I made it 768×2048 to give me a double-height scrolled screen). 我在调试器日志中看到一个错误： Will attempt to recover by breaking constraint <NSLayoutConstraint:0x191f0920 H:[MPKnockoutButton:0x17a876b0]-(34 . . and UIview will become vertical to UIlabel. Copied! InterfaceBuilderで、UIScrollViewにAutoLayoutを設定すると警告される時の対応. Extremely Fast views layouting without auto layout. Symbolic Breakpoint を追加する必要があります。 Appleは、これを行う方法に関する 優れたガイド を提供しています。 ブレイクポイントナビゲーター cmd+7 （Xcode 9の cmd+8 ） 左下の[ Add]ボタンをクリックします これは恐らく . I need use CGRect to change the size of the UIView? (Inherited from UIView) Highlighted (Inherited from UIView) InputAccessoryView Veja grátis o arquivo iOSNotesForProfessionals enviado para a disciplina de Estrutura de Dados I Categoria: Outro - 49 - 92795884 (Inherited from UIView) HeightAnchor: The NSLayoutDimension that defines the height of this UIView. How do I resolve this? InterfaceBuilderにて、UIScrollViewの上に適当なviewを配置して、いつも通りのノリでAutoLayoutを設定すると. These are UIView methods aimed at helping to detect and analyze constraint issues (referred to in Chapter 1).. Place a UIView as content view (please remember this term. For example, you could specify the distance between the Top, Bottom, Left, Right points between the views, but the subview you are holding back also needs height, since . To avoid performance issues, you need to understand how the Render Loop and Auto Layout Engine works. (Inherited from UIView) Hidden: Specifies whether the UIView displays or not. Finally, autoLayout is happy and . (Inherited from UIView) HeightAnchor: The NSLayoutDimension that defines the height of this UIView. b) In the code, I make sure the UIView height/width are correct and also make sure the "ScrollView.contentsize" is set appropriately. Get height of auto-layout cell with wrapped text in it I fixed this by setting the label's preferred width: // the label is inside the table view 8 points from each edge messageCell.message.preferredMaxLayoutWidth = tableView.frame.size.width - 16; Therefore, if you are given the warning "Ambiguous content size for scrollView", you know that you have not limited the content sufficiently. I have used UIView() for giving the point of interest for showing information detail. In general, the intrinsic content size simplifies the layout, reducing the number of constraints you need. Returns true if the Auto Layout for this UIView is ambiguous. We're now able to jump straight into the conflicting view with a human-readable description of the error: "Height and vertical position are ambiguous". It sounds so simple- but UGH, headache after headache. The Builder interface does not give me any warnings about ambiguous restrictions [cell hasAmbiguousLayout] returns NO. float maxHeight = 0; for (UIView *child in scrollView. I use [UIView -systemLayoutSizeFittingSize:] . My problem is that Xcode keep giving me warning because the size and the position are ambiguous. How to set content size of UIScrollView dynamically, Step 1 : Add Scrollview to view in storyboard and add leading, trailing, top and bottom constraints (All values are zero). 自动布局 02 Mar 2016 Comments 前言 最近遇到一个复杂视图：根控制器里面有上下两个子控制器，子控制器中各自实现类似PageView的视图，然后PageView的每一页是一个WebView，同时中间有个可拖拽的控件，实现上下两个控制器视图的大小调整。 If we manually add a fixed size, we can see that the footer is displayed. There is no correct way to set UI layout. Programing AutoLayout is a kind of philosophy in the iOS development. Concise syntax, intuitive, readable & chainable. In size inspector, change 'bottom' and 'align center Y' priority to 250. . The memory addresses do not tell a whole lot about which view is ambiguous. Step 2 : Don't add directly views which you need on directly scrollview, First add one view to scrollview (that will be our content view for all UI elements). This is a task I have struggled with for a long time. Swift自动布局SnapKit的详细使用介绍 简介. After that we will set constraints for UILabel and UIButton, idea is to have a 20px padding from each side. We're now able to jump straight into the conflicting view with a human-readable description of the error: "Height and vertical position are ambiguous". With the help of . | | | | | | | | | *UIView:0x7fa7da557e70- AMBIGUOUS LAYOUT for UIView:0x7fa7da557e70.minX{id: 2165}, UIView:0x7fa7da557e70.Width{id: 2166} You can solve Auto Layout issues faster using UIView methods, Debug View Hierarchy and Interface Builder. Single view layout with ambiguous constraint. UIView Autolayout is an very interesting concept in iOS App development. To resolve this issue, we can reduce the nameLabel's height constraint priority to 999 so that the auto layout engine can . The x & y stay to hard to keep center x & center y at any screen size? I've read tons of answers online, which usually require you to calculate and set a fixed height, either in Interface Builder or even worse, in code. This generates an IBOutlet which you can use to connect the variable created with the UICollectionView from your storyboard. . When you use autolayout, it doesn't use the height of the image view in Interface Builder. There is another way to check the height of a cell with . So label will have 3 constraints set to its container view and one set to button being on the bottom. HighlightedAnimationImages Next, we will do the same for the UIView. A) Scrollable Content Size Ambiguity (Scroll View has ambiguous scrollable content height/width) B) Misplaced Views (Label Expected: x= -67 Actual: x= 207. However, SwiftUI syntax is very easy to understand, and a SwiftUI project can be quickly viewed using Automatic . Thanks a lot for you help. 2) ScrollView -> contentView Constraints to scroll View same as above image. Since we set our nameLabel to have 126pt height, but the content view can only have 44pt height, it is not possible to simultaneously satisfy both of these constraints, thus causing the unsatisfiable constraints issue. Reply. The solution is to set such Expanding UITableView cells using only constraints in Swift, Obviously, we also need to add only four constraints which are top, left, bottom and right to . Dj Sison on February 5, . My cell has, among other things, an image set to 48x48, so the size (0, 0) should not satisfy all the restrictions. (Inherited from UIView) Highlighted: Whether the UIImageView is highlighted. I did never did this programmatically, but can you not make a reference to the height anchor as a variable? height: UIView footer size calculated dynamically. this is used in lot of places) on top of UIScrollView. The following recipes demonstrate working with views that have an intrinsic content size. I know I have to add constraints for width and height to solve the warnings but the width and height of the stack view is depending on the number of . SnapKit，一个经典的Swift版的第三方库，专门用于项目的自动布局，目前在github上的stars就高达9340颗星，这是一个不小的数字，亦足以证明它存在的非凡意义和作用。作者认为，在iOS开发（swift）中，它是用于项目最优秀的自动布局的必选库之一。 If you check the debug logs, it should include a system-added constraint called UIView-Encapsulated-Layout-Height and other constraints removed by the system. iPhone comes with different screen sizes every time. So label will have 3 constraints set to its container view and one set to button being on the bottom. Returns true if the Auto Layout for this UIView is ambiguous. Unfortunately, even if we are using Auto Layout and making sure we don't have any ambiguous constraints within theFooterView, the system can't correctly calculate its size so it has a height of 0. The stack view is empty at creation then filled with X buttons when. (Inherited from UIView) Hidden: Specifies whether the UIView displays or not. (Inherited from UIView) HeightAnchor: The NSLayoutDimension that defines the height of this UIView. For example, if the only constraint in the system is x = y + 100, the layout is ambiguous because there are many possible . (Inherited from UIView) Hidden: Specifies whether the UIView displays or not. Add Equal height and width of content view to this View. 2. "No Auto layout constraints attached" Requirements. Make a symbolic breakpoint at UIViewAlertForUnsatisfiableConstraints to catch this in the debugger，代码先锋网，一个为软件开发程序员提供代码 . Swift 4 Expression type'@value CGRect' is ambiguous without more context For example, there is now a class: class ImageListView: UIView { var moment: Moment! Create a height constraint on the image view and set it to what you want the height to be (in the case of a fixed height). 1) Label should resize width wise unless it hits a max size and height is also dynamic that means when text reaches the maximum width then the word wrap will break the sentence to another line. ※ Xcode Version 6.4 時点. Single view layout with ambiguous constraint. let rect = CGRect(x: 10, y: 10, width: 100, height: 100) let myView = UIView(frame: rect) To add a subview to another view, call the addSubview (_:) method on the superview. The solution is. Swift 5.x: @IBOutlet weak var collectionView: UICollectionView?. Height is ambiguous for UILabel (topCommentLabel) Height and vertical position is ambiguous for UIView (commentContainerView) В ячейке tableview, используя _tableView.rowHeight = UITableViewAutomaticDimension; У меня есть один containerView с 3 ярлыками в нем, и я хочу, чтобы . I did this minimal example in a freshly new project which you can download and I attached a screenshot. | | | | | | | | | *UIView:0x7fa7da557e70- AMBIGUOUS LAYOUT for UIView:0x7fa7da557e70.minX{id: 2165}, UIView:0x7fa7da557e70.Width{id: 2166} But how to center with auto layout when CGRect(x: 0, y: 0, height: 200, width: 350)? Now to reflect in the UI which view is ambiguous i use the exceptional xcode debugger. Returns true if the Auto Layout for this UIView is ambiguous. However, using the intrinsic content size often requires setting the view's content-hugging and compression-resistance (CHCR) priorities, which can . View 1 is anchored to the top, left, and right of the scroll view and has an explicit height. Considering the way for your iOS app will make your team have consistency. For eg. You can get height of the content inside UIScrollView by calculate which child "reaches furthers". Unlike UIKit, which is commonly used in conjunction with storyboards, SwiftUI is completely software-based. let pointOfInterest = UIView() Q1) I want to use custom coordinates the code that i have taken from apple documentation of UIView() let rect = CGRect(x: 10, y: 10, width: 100, height: 100) let pointOfInterest = UIView(frame: rect) It is giving me error (Inherited from UIView) IgnoresSiblingOrder Copied! UIView 2 . An additional segmented . Set the content area of scrollView with contentLayoutGuide. The problem appears because you are trying to use the variable collectionView in your ViewController when this are not declare yet, to solve this you need to declare it as follows.. My cell has, among other things, an image set to 48x48, so the size (0, 0) should not satisfy all the restrictions. I use [UIView -systemLayoutSizeFittingSize:] . 3. Tomorrow's blog - the 23th in the Advent Calendar will be written by AHA_oretama. The built-in method constraintsAffectingLayout(for:) is helpful, but it doesn't tell you what view the constraints belong to, and it returns the constraints for just one axis (.horizontal or .vertical), so if you want to know all the constraints, you have to . No magic, pure code, full control and blazing fast. (Inherited from UIView) Hidden: Specifies whether the UIView displays or not. In size inspector, change 'bottom' and 'align center Y' priority to 250. UIScrollView 3. . といった警告をされることがある。. Ambiguous height and width errors and conflicting constraints galore. Returns true if the Auto Layout for this UIView is ambiguous. You may add any number of subviews to a view, and sibling views may overlap each other without any issues in iOS. To scroll (spring effect), you need to set the alwaysbouncevertical property to true (the same is true for the horizontal direction) Constraint Debugging. This is fantastic! (Inherited from UIView) HeightAnchor: The NSLayoutDimension that defines the height of this UIView. let rect = CGRect(x: 10, y: 10, width: 100, height: 100) let myView = UIView(frame: rect) To add a subview to another view, call the addSubview (_:) method on the superview. PinLayout can layouts UIView, NSView and CALayer. You may add any number of subviews to a view, and sibling views may overlap each other without any issues in iOS. Set both scrollView and its content's constraint. Layout Issues list on the Issue Navigator. View 2 is anchored to the left and right of the scroll view, to the bottom of View 1, and also has an explicit height. That way you can do heightVariable.constant += randomIntValue, and after that call UIView.animate(withDuration: 1.0{ self.view.layoutIfNeeded}) - a) Is there a way to resolve the ScrollView "content size is ambiguous" warning in interface builder to make all constraint lines turn BLUE? I get to know about the view by changing its background color. The sample demonstrates placing three kinds of UIBar Button Items on the right side of the navigation bar: a button with a title, a button with an image, and a button with a UISegmented Control. Interface builder says "Scroll view has ambiguous scrollable content height". To calculate this you have to take in consideration origin Y (start) and item height. Type-1 Diabetes; Type-2 Diabetes; Prediabetes; Pregnancy & Diabetes / Gestational Diabetes(GDM) Diabetes and Heart; Diabetes and Kidney Disease; Diabetes and Low Blood Sugar "Has ambiguous scrollable content width" and "Has ambiguous scrollable content height" Continue with the same constraints above, . Be aware of some traps that slow or break your app. (Inherited from UIView) Highlighted: Content1 (UIView) - with Red background color; Content2 (UIView) - with Green background color; Content3 (UIView) - with Blue background color; This is what it should look like in the storyboard: Some notes and tips first before defining the constraints for our storyboard: Do not think of the scroll view as having a fixed width and height. UIScrollView set content size dynamically Swift. Returns true if the Auto Layout for this UIView is ambiguous. (Inherited from UIView) HeightAnchor: The NSLayoutDimension that defines the height of this UIView. If there aren't enough constraints in the system to uniquely determine layout, the layout is considered ambiguous. The right side of the navigation bar options for customization include applying a custom UIView or using a UIBar Button Item. SwiftUI is a completely new framework that allow s you to design and develop user interfaces declaratively and with less code. There are three main types of Auto Layout issues: ambiguous layouts, unsatisfiable constraints and logic errors. As you can see, there is no footer. Instead it uses the constraints set on the image view. The Builder interface does not give me any warnings about ambiguous restrictions [cell hasAmbiguousLayout] returns NO. Short answer. The final example will like this. It also needs a height constraint that we will later set to the height of the HTML content; The constraints should look like this: Connect the UIWebView's height constraint to an outlet in your view controller. In size inspector, change 'bottom' and 'align center Y' priority to 250. Set the ViewController's (the one holding the UIScrollView) size to Freeform in the size inspector in Interface Builder and all should work. . Autolayout takes care of responsive design. The value of this property is true if the view's location is incompletely specified, false otherwise. Add UIView in ScrollView, pin it 0,0,0,0 to all 4 sides and center it horizontally and vertically. After that we will set constraints for UILabel and UIButton, idea is to have a 20px padding from each side. Now is time to dive into LLDB. There is another way to check the height of a cell with . (Inherited from UIView) HeightAnchor: The NSLayoutDimension that defines the height of this UIView. Even if you increase the content, the scroll is automatically adjusted! (lldb) e (void)[0x147de590 setBackgroundColor:(UIColor*)[UIColor greenColor]] And the size of the View is not sizing. Storyboard上でUIScrollView+AutoLayoutを使うと下のようなエラーが出る事があります。 今回はその対処法を調べました。 Xcodeのバージョンは13です。 参考にしたのは下URLです。 qiita.com まずはプロジェクトを作ってMain.storyboardにUIScrollViewを配… The UIWebView needs a top constraint to the UIView's bottom, a leading, a trailing and a bottom constraint to the UIScrollview. func viewDidLoad () is called. iOS 9.0+ / tvOS 9.0+ / macOS 10.9+