| 摘要 |
A method of interacting with a scrollable area on a portable electronic device is described. In accordance with one embodiment, the method comprises: displaying on a touch-sensitive display a transparent scrollbar which overlays elements of a user interface screen; decreasing a transparency level of the transparent scrollbar when a touch event is detected in a scrollable area of the user interface screen to increase visibility of the transparent scrollbar, wherein the transparency level of the transparent scrollbar is progressively decreased from a default level over a duration of the touch event; and hiding the transparent scrollbar when the touch event ends. |
