Asks the delegate whether the focus update specified by the context is allowed to occur.
- iOS 9.0+
- tvOS 9.0+
A table-view object in which the focus update is occurring.
An instance of
UIFocusclass, contains metadata for the focus related update.
true if the focus should update; otherwise
The functionality of this delegate method is equivalent to overriding
should method. This delegate method provides additional
UITable-related information in its context parameter, such as the index paths for the previously and next focused views. Note that, these index paths are only available if their views are contained within the table view. To learn more about the information provided by the context, see