iOS控制是否引入某个module

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#if canImport(SomeModule)

import SomeModule;

#endif

This is a little late as an answer, but i came across this issue while working on a similar case. I used the __has_include(<SomeModule/SomeModule.h>)

Importing your framework:

#if __has_include(<SomeModule/SomeModule.h>)

#import <SomeModule/SomeModule.h>

#define __HAS_SOME_MODULE_FRAMEWORK__

#endif

Later in your code :

Objective-C:

- (void)doSomething {

    #ifdef __HAS_SOME_MODULE_FRAMEWORK__

    // with  SomeModule framework

    #else

    // without  SomeModule framework

    #endif

}

Swift:

  #if canImport(SomeModule)       

    // with  SomeModule framework

        #else

    // without  SomeModule framework

#endif