canBecomeFirstResponder
Returns a Boolean value indicating whether this object can become the first responder.
Declaration
var canBecomeFirstResponder: Bool { get }Return Value
true if the responder can become the first responder; otherwise, false.
Discussion
This method returns false by default. Subclasses must override this method and return true to be able to become first responder.
Don’t call this method on a view that’s not currently in the active view hierarchy. The result is undefined.