Instance Method

accessibilityScroll:

Scrolls screen content in an application-specific way and returns the success or failure of the action.

Declaration

- (BOOL)accessibilityScroll:(UIAccessibilityScrollDirection)direction;

Parameters

direction

A constant that specifies the direction of the scrolling action. See UIAccessibilityScrollDirection for descriptions of valid constants.

Return Value

YES if the scrolling action succeeds; otherwise, NO. By default, this method returns NO.

Discussion

Implement this method if a view in the view hierarchy supports a scroll by page action.

  • If the scrolling action succeeds for the specified direction, return YES and post the UIAccessibilityPageScrolledNotification notification.

  • If the scrolling action fails, accessibilityScroll: is called on a parent view in the hierarchy.

See Also

Performing an Action

- accessibilityActivate

Tells the element to activate itself and report the success or failure of the operation.

- accessibilityIncrement

Tells the accessibility element to increment the value of its content.

- accessibilityDecrement

Tells the accessibility element to decrement the value of its content.

- accessibilityPerformEscape

Dismisses a modal view and returns the success or failure of the action.

- accessibilityPerformMagicTap

Performs a salient action.