Patent ID: 8315672

Claim:
A method of controlling a portable electronic device having a touch screen display, the method comprising: providing a graphical user interface on the touch screen display; detecting a touch event at a first location on the touch screen display; providing a navigation indicator in the graphical user interface in response to detecting the touch event at the first location; and in response to detecting movement of the touch event from the first location to a second location while touch contact is maintained on the touch screen display, changing a position of the navigation indicator in the graphical user interface by moving the navigation indicator relative to at least a portion of the graphical user interface, wherein the position of the navigation indicator is changed by a distance that is based on a ratio of distance of movement of the touch event on the touch screen display to distance of movement of the navigation indicator and is greater than the distance of movement of the touch event, and wherein a direction of change of the position of the navigation indicator is based on a direction of movement of the touch event on the touch screen display.