iOS development ARC forbids explicit message send of ' autorelease ' error resolution

Frequently encountered in iOS: Arc forbids explicit message send of ' autorelease ' or "ARC forbids explicit message send of release" error. The reason may be that the project uses the arc mechanism and some files are forbidden to use the error.

Workaround:

1. Disable the arc for a specific file in Xcode

Click the project name, select Targets in the middle column, and then choose the build Phases option.

Expand Compile Sources, locate the file name of your error, and then double-click Add-fno-objc-arc:

Method Two: Change the whole project to non-arc mechanism:

In build settings: Put objective-c Automatic Reference Co .... Set to No:

iOS development ARC forbids explicit message send of ' autorelease ' error resolution