1. A method for modifying a state of a portable computing device: detecting contact with a touch-sensitive display at a first region associated with an unlock image displayed responsive to the portable computing device being in a locked state; responsive to detecting contact with the touch-sensitive display at the first region, displaying a first action image in a second region of the touch-sensitive display and displaying a second action image in a third region of the touch-sensitive display, wherein the first region lies in between the second region and the third region; detecting movement of the contact with the touch-sensitive display, while the unlock image remains stationary at the first region; determining a direction of movement of the contact with the touch-sensitive display; responsive to determining the direction of movement of the contact is towards the first action image, visually modifying the first action image; responsive to determining the direction of movement of the contact is towards the second action image, visually modifying the second action image; responsive to the contact with the touch-sensitive display reaching the second region, executing an action associated with the first action image; and responsive to the contact with the touch-sensitive display reaching the third region, executing an action associated with the second action image.