Tag:Objective-C

All the articles with the tag "Objective-C".

• Calling Super at Runtime in Swift

  Published:10 Jun, 2020

  • 16 min read

  

  Implementing dynamic super calls in Swift through runtime manipulation, assembly language, and ARM64 register management for InterposeKit.

• Challenges of Adopting Drag and Drop

  Published:7 Nov, 2018

  • 10 min read

  Discusses the challenges and limitations faced when implementing drag and drop functionality for PDF editing on iOS 11.

• 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.

• Researching ResearchKit

  Published:14 Apr, 2015

  • 6 min read

  Analyze Apple's first major open-source project ResearchKit to discover interesting implementation details and practical iOS development solutions.

• Retrofitting containsString: on iOS 7

  Published:17 Jul, 2014

  • 1 min read

  Backport iOS 8's convenient NSString containsString: method to iOS 7 using runtime patching that won't conflict with Apple's implementation.

• A Story About Swizzling "the Right Way™" and Touch Forwarding

  Published:4 Jul, 2014

  • 8 min read

  Learn why traditional method swizzling breaks UIKit's touch forwarding and discover a better approach that preserves _cmd integrity.

• Smart Proxy Delegation

  Published:30 Jul, 2013

  • 4 min read

  Eliminate delegate boilerplate code in Objective-C using NSProxy to automatically handle respondsToSelector checks and method forwarding.

• Hacking Block Support Into UIMenuItem

  Published:17 Jul, 2012

  • 12 min read

  Implement block support for UIMenuItem by swizzling the responder chain to enable cleaner API patterns.

• Using Subscripting With Xcode 4.4 And iOS 4.3+

  Published:11 Jul, 2012

  • 2 min read

  Use Objective-C's modern subscripting syntax with Xcode 4.4 and iOS 4.3+ through a clever header-only hack that enables array[index] notation.

• Pimping recursiveDescription

  Published:1 Jul, 2012

  • 2 min read

  Enhance UIView's recursiveDescription to clearly show view controller hierarchies and containment relationships for easier debugging.