Xcode 4.2: 点击项目后,
Build Settings -> Apple LLVM compiler 3.0 - Language -> Objective-C Automatic Referencing Counting, 默认是YES 设置为NO即可。
Build Settings -> Apple LLVM compiler 3.0 - Language -> Objective-C Automatic Referencing Counting, 默认是YES 设置为NO即可。