Swift calls third-party OC projects

First step: Create and configure Bridging-header.h

Swift and OC are mixed, first there must be a. h file, where you use Bridging-header.h and then set the project's build Settings--swift compiler--objective-c bridging The Header content is demoapp/bridging-header.h, which is related to the Bridging-header.h location, starting at the root of the project in Objective-c bridging The Header option writes the Bridging-header.h relative path.

Step Two: Modify bridging-header.h

write in Bridging-header.h #import "AFNetworking.h"

Step three: Call OC

We can invoke the functionality of a third-party project when the previous work is done.

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Swift calls third-party OC projects