How to enable NSZombie in Xcode?

xcode nszombie
jason picture jason · Mar 22, 2011 · Viewed 162.2k times · Source

I have an app that is crashing with no error tracing. I can see part of what is going on if I debug, but can't figure out which object is "zombie-ing".

Does anybody know how to enable NSZombie in Xcode 4?

Answer

一二三 picture 一二三 · Mar 22, 2011

Environment variables are now part of the "scheme".

To edit the scheme and turn on zombies:

  • In the "Product" menu, select "Edit Scheme".

  • Go to the "Run Foo.app" stage in the left panel, and the "Arguments" tab on the right.

  • Add NSZombieEnabled to the "Environment Variables" section and set the value to YES, as you could in Xcode 3.

In Xcode 4.1 and above, there's also a checkbox on the "Diagnostics" tab of the "Run" stage to "Enable Zombie Objects".

With Xcode 6.4:

Screenshot

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