An electronic device including a display of a main surface area and a curved surface area extended from the main surface area, and a controller configured to: control the display to present a preview image on the main surface area and a user interface (UI) on the curved surface area, the UI comprising a UI element for photographing an image, control the display to present the UI element at a first location in the curved surface area while the electronic device is in a landscape state, and control the display to present the UI element at a second location in the curved surface area while the electronic device is in a portrait state.