20. The electronic device of claim 19 , wherein the one or more programs further comprise instructions for: in response to detecting the first change in the received data relating to device movement and the received data relating to device orientation, changing from the second display state to the first display state.
19. The electronic device of claim 15 , wherein the one or more programs further comprise instructions for: if it is determined that the electronic device is in the first-state, displaying information on the touch-sensitive display in a first display state, wherein the first display state is a regular power mode; and if it is determined that the electronic device is in the second state, entering a second display state different from the first display state, wherein the second display state is a low-power mode.