The layout change was announced or the layout change indicated prior to the trigger->IOS: Each actionable object can be accessed directly (by touch) and appears in the focus order of the view with speech output by navigation (swipe gestures)->Android: Each actionable element can be focused directly (by touch) and can be navigated/focused by using the keyboard or d-pad1. assistance such as format requirements or suggestions are given for all errors entered before or after invalid values are entered2.User should informed by the system’s default screen-reader when user input into form fields contains errors3. The user is informed by the system’s default screen-reader about any form fields that require mandatory user input.4. Visual labels are present for all form fields and are announced by speech output software