[Solved] UIButton set titleLabel setValue(newLabel, forKeyPath: “titleLabel”)

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You should use setTitle method to set button title for states.

button.setTitle("Your button title here", for: .normal)

setValue(_:forKeyPath:) is a method from NSObject class which UIButton is a subclass of. It is not recommended to use KVO. Read this thread for more information.

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solved UIButton set titleLabel setValue(newLabel, forKeyPath: “titleLabel”)