Posts

All the articles I've posted.

• Running UI Tests on iOS With Ludicrous Speed

  Published: 27 Apr, 2016

  • 11 min read

  Techniques for dramatically speeding up UI test execution in Xcode using parallelization and optimization strategies.

• A Pragmatic Approach to Cross-Platform

  Published: 12 Apr, 2016

  • 11 min read

  How PSPDFKit shares a common C++ codebase across iOS, Android, and Web platforms while maintaining native user experiences.

• Surprises with Swift Extensions

  Published: 24 Mar, 2016

  • 5 min read

  Common pitfalls and surprising behaviors when creating Swift extensions on Objective-C classes, with solutions for proper method naming.

• Using ccache for Fun and Profit

  Published: 6 Oct, 2015

  • 6 min read

  Complete guide to using ccache to dramatically speed up C/C++/Objective-C build times for large iOS projects and CI systems.

• 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.

• 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.

• 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.