TOUCH SCREEN DEVICE, METHOD, AND GRAPHICAL USER INTERFACE FOR DETERMINING COMMANDS BY APPLYING HEURISTICS

摘要

A computer-implemented method for use in conjunction with a computing dev ice with a touch screen display comprises: detecting one or more finger cont acts with the touch screen display, applying one or more heuristics to the o ne or more finger contacts to determine a command for the device, and proces sing the command. The one or more heuristics comprise: a heuristic for deter mining that the one or more finger contacts correspond to a one- dimensional vertical screen scrolling command, a heuristic for determining that the one or more finger contacts correspond to a two-dimensional screen translation command, and a heuristic for determining that the one or more finger contact s correspond to a command to transition from displaying a respective item in a set of items to displaying a next item in the set of items.