How to add Some action on Plus icon swift

Question

I am developing a iPhone application with Local Music and i am using 'MPMediaPickerController' to show local song. but i don't know how to add some functionality on plus icon given below. Can someone please explain to me how to create some action on plus icon.

ScreenShot:

Answer 1

Try adopting MPMediaPickerControllerDelegate protocol and implementing the following method

func mediaPicker(_ mediaPicker: MPMediaPickerController, 
    didPickMediaItems mediaItemCollection: MPMediaItemCollection)