UIKit iOS 12.0 to 12.1 API Differences
UIPencilInteraction.h
Added
UIPencilPreferredAction
Added
UIPencilPreferredActionIgnore
Added
UIPencilPreferredActionSwitchEraser
Added
UIPencilPreferredActionSwitchPrevious
Added
UIPencilPreferredActionShowColorPalette
Added
UIPencilInteraction
Added
UIPencilInteraction.preferredTapAction
Added
UIPencilInteraction.delegate
Added
UIPencilInteraction.enabled
Added
UIPencilInteractionDelegate
Added
-[UIPencilInteractionDelegate pencilInteractionDidTap:]