Under automatic reference counting, why are retain, release, and dealloc not allowed?

Question

When trying to use -retain, -release, and -dealloc while building my application using automatic reference counting in Xcode 4.2, I ge

Answer 1

Under automatic reference counting, retain, release, and dealloc are not allowed.

If you have an existing code, you can keep using it as is with the -fno-objc-arc you can selectively disable ARC on any file.

If you want to disable ARC on MULTIPLE files:

Select desired files at Target/Build Phases/Compile Sources in Xcode PRESS ENTER. (double click selects only one file) Type -fno-objc-arc Press Enter or Done