canResignFirstResponder
Returns a Boolean value indicating whether the responder is willing to relinquish first-responder status.
Declaration
var canResignFirstResponder: Bool { get }Return Value
true if the responder can resign first-responder status; otherwise, false.
Discussion
This method returns true by default. You can override this method in your custom responders and return a different value if needed. For example, a text field containing invalid content might want to return false to ensure that the user corrects that content first.