I'm working on an iOS app (using Objective-C).
I am using MDCSwipeToChoose API to swipe a view (like & dislike).
I want to add one more button in the App (rewind last swipe like tinder).
Sounds like you want NSUndoManager. See the following links for examples.
Implementing NSUndoManager
http://nshipster.com/nsundomanager/
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