iOhYes Retired


A podcast by iOS developers for iOS developers, delivering news, tips, and rants for professional iOS/Mac developers, with something for enterprise and indie developers alike.

Hosted by Darryl Thomas and John Sextro.

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9: Episode 9 - Peeking John

January 10, 2013 at 3:00PM • 1 hour 5 minutes • Wiki Entry

The News

An Indie Developer Success Story (more)

Objective-C wins the TIOBE Programming Language Award of 2012 (more)

Apple's App Store hits record 2 Billion downloads in December (more)

"Do Not Disturb" bug and what you can do to avoid it (more)

Pirated app installs without jailbreaking (more)

The Discussion

Obj-C runtime (Jason)

  • Reflection - isKindOfClass, respondsToSelector, etc.
  • Dynamic Binding - objc_msgSend
  • Using associated references to "mixin" to ObjC class instances


  • stopping doesNotTRespondToSelector
  • error reporting
  • multiple inheritance hack

Peeking into iPad apps with PhoneView

Other security related links

iOS Picks

Adam Axe

  • Gource

John Sextro

  • Gist on GitHub from Chris Cieslak that demonstrates the ISO-Week Issue

Jason Kozemczak

  • SMPageControl

Joe Hainline