Ios swift – Collection View cells affect each other
I have placed a toggle button in the collection view cells. I want to check each cell, but when I do this in a cell, when I do this in a cell, there is a check in other cells, when…
Ios swift – Crash on pushViewController with [NSNull set]: unrecognized selector
I have an app where I just created a new, working viewController in a separate project. I copy/pasted the code and xibs (several subviews) into the new project. All compiles fine. Relevant code: let storyBoard : UIStoryboard = UIStoryboard(name: "Main",…
Ios swift – Uikit: blur and dim behind a UIViewController (like a popover)
I am showing a complicated controller AskController (descended from UIViewController, UIPopoverPresentationControllerDelegate and UIPopoverControllerDelegate) over some different controllers, popover style. Is there an easy way to automatically dim and blur whatever happens behind said AskController, and remove those effects on a…
Xcode – How can I set the "lifecycle" option for my project?
I am currently in the process of learning Swift as a beginner and I am using Xcode 14.2 for my learning journey. In the tutorial book I am following, it mentions the ability to configure the "lifecycle" within UIKit App…
Ios swift – Not able to draw shadows using UIGraphicsImageRenderer
I am trying convert an UIView into an UIImage using UIGraphicsImageRenderer. I have applied shadows on my UIView but shadows gets removed in output image. Here's my code: let view = UIView(frame: .init(origin: .zero, size: compressedImage.size)) view.backgroundColor = .lightGray view.layer.shadowColor…
Ios swift – Couldn't layout Subviews in UITableViewHeaderFooterView
I'm trying to make a custom header for 0 section of my UITableView. Here's the code I'm using to create this header: class ProfileHeaderView: UITableViewHeaderFooterView { // MARK: - Subviews private var statusText: String = "" private lazy var userImage:…
Ios swift – How to make iOS app that support different languages
I have to create an app Which will work in different languages and show the content of app in different languages that i select from the language list. I have list of three languages :- 1. English , 2. Hindi…
Ios swift – AutoLayout layoutIfNeeded bounds update time
I have the following code in my custom UIView. This gets called from init(frame:) or init(coder:) initializer: private func setupContentView() { contentView = ContentView(frame: .zero) contentView.translatesAutoresizingMaskIntoConstraints = false addSubview(contentView) contentView.leftAnchor.constraint(equalTo: leftAnchor, constant:thumbWidth).isActive = true contentView.rightAnchor.constraint(equalTo: rightAnchor, constant: -thumbWidth).isActive = true…
Xcode – Does not conform to protocol 'UIViewControllerRepresentable'
I'm completing the online apple Xcode Tutorial. At the UIKit tutorial portion, I'm repeatedly getting the same error: "Type 'PageViewController<Page>' does not conform to protocol 'UIViewControllerRepresentable'" That portion of the tutorial is a few lines which are copied and pasted:…
Ios swift – UIRefreshControl behaving oddly with prefersLargeTitles
Without prefersLargeTitles, I should have to pull down a bit before the UIRefreshControl begins the refresh, but when I turn on large titles, it starts instantly. I have removed the Storyboard and I am trying to create everything programatically. What…