Tag: UIKit

All the articles with the tag "UIKit".

• Automatic Observation Tracking in UIKit and AppKit: The Feature Apple Forgot to Mention

  Published: 11 Jun, 2025

  • 7 min read

  Discover how iOS 18's hidden automatic observation tracking brings SwiftUI-like reactive programming to UIKit and AppKit, making your UI code cleaner and more maintainable.

• Fixing keyboardShortcut in SwiftUI

  Published: 31 Jan, 2021

  • 7 min read

  Debugging and fixing a SwiftUI keyboardShortcut bug that fails when mixing SwiftUI with UIKit through reverse engineering and LLDB analysis.

• Supporting Both Tap and Long Press on a Button in SwiftUI

  Published: 27 Jan, 2021

  • 6 min read

  Creating a SwiftUI button that supports both tap and long-press gestures by bridging to UIKit when SwiftUI's gesture system fails on Catalyst.

• Forbidden Controls in Catalyst: Optimize Interface for Mac

  Published: 22 Sep, 2020

  • 7 min read

  Investigating why certain UIKit controls throw runtime exceptions in Catalyst's 'Optimize Interface for Mac' mode and discovering which controls are forbidden.

• Disabling Keyboard Avoidance in SwiftUI's UIHostingController

  Published: 21 Sep, 2020

  • 6 min read

  Fixing unwanted keyboard avoidance behavior in UIHostingController using runtime dynamic subclassing to override keyboard notification handling methods.

• UITableViewController designated initializer woes

  Published: 15 Apr, 2015

  • 3 min read

  Navigate the complications of subclassing UITableViewController after iOS 8.3 introduced designated initializers that break proper initialization patterns.

• The curious case of rotation with multiple windows on iOS 8

  Published: 25 Jan, 2015

  • 2 min read

  Diagnose and solve an iOS 8 regression where unwanted rotation occurs in apps using multiple windows despite explicit configuration.

• UIKit Debug Mode

  Published: 9 Jan, 2015

  • 2 min read

  Unlock hidden UIKit debugging features by bypassing Apple's InternalBuild checks to access secret flags for logging touches, gestures, and animations.

• Fixing UITextView On iOS 7

  Published: 8 Jan, 2014

  • 2 min read

  Fix the severe scrolling and content positioning bugs in iOS 7's UITextView with PSPDFTextView, a drop-in replacement.

• Fixing What Apple Doesn't

  Published: 4 Jan, 2014

  • 2 min read

  Fix the misaligned label in iOS 7's printer controller by swizzling UIPrinterSearchingView's layoutSubviews method.