Solution for displaying compilation warnings or errors in release of iOS 5 xcode 4.2

Source: Internet
Author: User

Since ios5 xcode4.2 introduces arc (automicreferencecounting), there are some minor changes when xcode4.2 is used to create a project.

NSAID utoreleasepool is @{Autoreleasepool // Code for autoreleasepool }Block
Replaced.

The _ strong and _ weak compilation commands are added.

Ios5.0 knows when your variables need to be release and autorelease, so the variablesDo not write global variables. replace global variables with single.

Solution: Disable the arc function in the project and set object-C automatic reference counting to no in the project properties. Otherwise, a red warning will be reported during compilation for memory-related operations such as release, retaincount, and retain.

For example, set it to No.

 

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