Patent ID: 8621380

Claim:
A multifunction device, comprising: a touch screen display; one or more processors; memory; and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for: displaying a soft keyboard having a plurality of buttons including a plurality of unconditionally enabled buttons and one or more conditionally enabled buttons, wherein each respective unconditionally enabled button of the plurality of unconditionally enabled buttons is always responsive to an activation input on the respective unconditionally enabled button while the soft keyboard is displayed; detecting a first input with a first button at a first time; responding to the detecting the first input by activating the first button; detecting a second input with a second button at a second time after the first time; and in response to the detecting the second input with the second button at the second time: when the first button is an unconditionally enabled button and the second button is an unconditionally enabled button, activating the second button; and when the first button is an unconditionally enabled button and the second button is a conditionally enabled button: when the period of time between the first time and the second time is above a predefined threshold, activating the second button; and when the period of time between the first time and the second time is equal to or below the predefined threshold, preventing the second button from being activated.