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iOS takes top billing in our January 2013 digital issue of Dr. Dobb's Journal, as we discuss debugging mobile apps, managing memory, and handling touch on iOS6. Plus, did you know you are no longer a testing expert? Download this issue to find out why.

In This January Digital Issue:

    Table of Contents

  • Debugging Memory in an iOS App
    By José R. C. Cruz
  • Knowing how leaks, dangling pointers, double free operations, and memory hogs look in the Xcode debugger makes them a lot easier to locate and eliminate.

  • Handling Touch Input in iOS6
    By Erica Sadun
  • This article introduces direct manipulation interfaces that go far beyond prebuilt controls, showing how to create views that users can drag around the screen. Also discussed are how to distinguish and interpret gestures, which are a high-level touch abstraction, and gesture recognizer classes, which automatically detect common interaction styles like taps, swipes, and drags.

  • You Are No Longer a Testing Expert
    By Dave Berg
  • The testing and optimizing techniques of the past don't apply to mobile.

  • Managing Memory on iOS
    By José R. C. Cruz
  • By understanding memory usage patterns on Apple devices, it's possible to conserve memory very effectively.

    By you
  • Readers weigh in on error handling and methodology.

    Snapshots of the most interesting items on drdobbs.com including chronic requirements problems and data structure audits.

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