Abstract: A method and apparatus provides a user interface with respect to a plurality of applications and includes storing operation information regarding common operations performed in the plurality of applications of a device, generating a function window for performing at least one operation performed in the plurality of applications based on the stored operation information, and displaying the generated function window.

Abstract: A computing device including a display unit to display a screen, a touch input to receive a user's touch input on the display unit, and a controller to control the display unit to display at least a part of a plurality of user interface (UI) items on the screen with a predetermined degree of transparency, to scroll the UI items in a predetermined direction and to sequentially display the UI items on the screen according to the user's touch input, and to increase the degree of transparency of the UI items if the UI items are not scrolled any more.

Abstract: A computing device includes a display unit to display a screen, a touch input unit to receive a user's touch input on the display unit, and a controller to display a locking image on the screen with a predetermined degree of definition while the computing device is locked, to decrease the degree of definition of the locking image if the user's touch input is determined to be an unlocking input, and to unlock the computing device if the unlocking input meets an unlocking condition.

Abstract: A computing device including a display unit to display a screen, a touch input to receive a user's touch input on the display unit, and a controller to control the display unit to display at least a part of a plurality of user interface (UI) items on the screen with a predetermined degree of transparency, to scroll the UI items in a predetermined direction and to sequentially display the UI items on the screen according to the user's touch input, and to increase the degree of transparency of the UI items if the UI items are not scrolled any more.

Abstract: A method and apparatus provides a user interface with respect to a plurality of applications and includes storing operation information regarding common operations performed in the plurality of applications of a device, generating a function window for performing at least one operation performed in the plurality of applications based on the stored operation information, and displaying the generated function window.

Abstract: An electronic apparatus and method of controlling or performing a plurality of executable functions. The electronic apparatus includes: a display that displays an image corresponding to at least one executable function; an input unit that receives input from a user; and a controller that changes a size of the image according to the input from the user and performs at least one of automatic execution of the function and automatic closure of the function being performed in accordance with an extent of a change in the size of the image.