A semantic description of the view’s contents, used to determine whether the view should be flipped when switching between left-to-right and right-to-left layouts.
- iOS 9.0+
- tvOS 9.0+
Some views should not flip when switching between left-to-right and right-to-left layouts. For example, the view is part of the playback controls or represents physical directions (up, down, left, right) that don’t change. Instead of thinking about whether or not a view should change its orientation, select the semantic content attribute that best describes your view.
When creating a view that contains subviews, you can use the
user class method to determine whether the subviews should be flipped, and lay out the views in the appropriate order.
For a list of possible values, see