ARC forbids explicit message send of 'reta'

Generally, the following error message is displayed: 'reta' is unavailable: not available inautomatic reference counting mode.

 

Literally, arc prohibits the display of retain messages.

In fact, after using ARC, you are not allowed to directly call the retain, release, autorelease, dealloc, and retainCount methods. The compiler will add the code in a proper place, to solve this problem, you only need to delete the Code related to manual memory management (generally the error code.

 

Solution:

Open the current project, open "Build Settings", find the Objective-C Automatic Reference Counting item, and set its value to NO.