nszombieenabled

Since switching to XCode 4, I have been having issues finding how to set environment variables (such a NSZombies) in iPhone executables. In XCode 3, you could right-click on your .app file, select "Get Info" and set environment variables. But it doesn't seem possible to do this in XCode 4. Where is it in the new UI? another way would be if you click on the scheme drop down bar -> edit scheme -> arguments tab and then add NSZombieEnabled in the Environment Variables column and YES in the value column... Basel Please see this answer: How do I set up NSZombieEnabled in Xcode 4? EDIT: You can also

I converted my app to ARC and noticed that an object alloc'ed in one of my view controllers was not being dealloc'ed when that view controller was dealloc'ed. It took a while to figure out why. I have Enable Zombie Objects on for my project while debugging and this turned out to be the cause. Consider the following app logic: 1) Users invokes action in RootViewController that causes a SecondaryViewController to be created and presented via presentModalViewController:animated . 2) SecondaryViewController contains an ActionsController that is an NSObject subclass. 3) ActionsController observes a