Abstract: A method and apparatus for a touchscreen based user interface (UI) interaction that controls a volume through circular UI graphics and switches between different application images by dragging an indicator on a touchscreen of a terminal device. The method includes: displaying an application image on a touchscreen; sensing whether the touchscreen is touched on the displayed application image; if the touchscreen is touched, displaying a volume image to control an audio volume at a touch position; and changing a size of the volume image whenever the touchscreen is touched and controlling the audio volume to corresponding to the size of the volume region.

Abstract: A video apparatus that is operated according to whether it is being gripped by a user, and an operation control method of the video apparatus. The video apparatus may detect whether it is being gripped by a user, and may be appropriately operated according to a result of detection. Therefore, user convenience can be improved, and entertainment can be enhanced.

Abstract: A photographing apparatus to easily change setup information and a method of controlling the same. The photographing apparatus displays setup information applied to the photographed image as well as a photographed image on an LCD. As a result, a user can change setup information easily, and confirm quickly an image according to the changed set values.

Abstract: A portable integrated device and a method of controlling power thereof. The method of controlling power to a digital integrated device which includes a first body and a second body slidingly attached to each other and a first mode and a second mode including sliding the first body relative to the second body from an open position to a closed position, turning off power of the digital integrated device in the first mode, and maintaining the power of the digital integrated device in the second mode. Accordingly, power control may be performed differently according to whether the sliding part is open or closed and whether the preset function mode of the portable integrated device is a camera mode or a non-camera mode, so that functions of the non-camera modes can be maintained even when the sliding part is closed.

Abstract: Electronic devices providing three-dimensional user interface and methods therefore are provided. The electronic device includes a graphical user interface (GUI) unit for producing a GUI, the GUI including a device layer for displaying device information using at least one of side surfaces of a first polygonal pillared shape, and a content layer for displaying content information using at least one of side surfaces of a second polygonal pillared shape; and a control unit for controlling the GUI producing operation of the GUI unit. The devices allow for efficiently operating menus and operating personalized menus according to user's preferences by providing a three-dimensional GUI having a plurality of independently movable layers.