Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.

Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.

Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.

Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.

Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of icons such that the first circular icon is moved to a position located outside of the center area of the touch display and reduced in size from the first size to the second size and the second circular icon is moved to the center area of the touch display and enlarged in size from the second size to the first size.

Abstract: A content display method of a user terminal device including a bended touch screen divided into a main area and a sub area, includes displaying, on the main area, a first main content provided by a first application, and displaying, on the sub area, a first sub content associated with the first main content, receiving a user gesture input on the main area, and in response to receiving the user gesture, displaying, on the main area, a second main content provided by a second application, and displaying, on the sub area, a second sub content associated with the second main content.

Abstract: A method of controlling a portable device including first and second touch screens is provided. The method includes displaying first information related to a first application on the first touch screen and displaying second information related to the first application on the second touch screen; receiving a first user input moving to the first touch screen on the second touch screen; and replacing the first information and the second information with a third information and a fourth information related to the first application on the first and second touch screens, in response to receiving the first user input, wherein each of the third information and the fourth information is displayed while being slidden from the second touch screen to the first touch screen and the third information is displayed over a boundary between the first and second screens during the sliding of the third and fourth information.

Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.

Abstract: A content display method of a user terminal device including a bended touch screen divided into a main area and a sub area, includes displaying, on the main area, a first main content provided by a first application, and displaying, on the sub area, a first sub content associated with the first main content, receiving a user gesture input on the main area, and in response to receiving the user gesture, displaying, on the main area, a second main content provided by a second application, and displaying, on the sub area, a second sub content associated with the second main content.

Abstract: A method of controlling a portable device including first and second touch screens is provided. The method includes displaying first information related to a first application on the first touch screen and displaying second information related to the first application on the second touch screen; receiving a first user input moving to the first touch screen on the second touch screen; and replacing the first information and the second information with a third information and a fourth information related to the first application on the first and second touch screens, in response to receiving the first user input, wherein each of the third information and the fourth information is displayed while being slidden from the second touch screen to the first touch screen and the third information is displayed over a boundary between the first and second screens during the sliding of the third and fourth information.

Abstract: A content display method of a user terminal device including a bended touch screen divided into a main area and a sub area, includes displaying, on the main area, a first main content provided by a first application, and displaying, on the sub area, a first sub content associated with the first main content, receiving a user gesture input on the main area, and in response to receiving the user gesture, displaying, on the main area, a second main content provided by a second application, and displaying, on the sub area, a second sub content associated with the second main content.

Abstract: A flexible display apparatus and a method of displaying a User Interface (UI) are provided. The flexible display apparatus includes an exposed area determining unit for determining an exposed screen area facing outwards with respect to the flexible display apparatus; a User Interface (UI) generating unit for generating a UI corresponding to the outwardly facing exposed screen area; and a display unit for displaying the generated UI on the outwardly facing exposed screen area.

Abstract: A content display method of a user terminal device including a bended touch screen divided into a main area and a sub area, includes displaying, on the main area, a first main content provided by a first application, and displaying, on the sub area, a first sub content associated with the first main content, receiving a user gesture input on the main area, and in response to receiving the user gesture, displaying, on the main area, a second main content provided by a second application, and displaying, on the sub area, a second sub content associated with the second main content.

Abstract: A controlling a portable device comprising a first touch screen and a second touch screen is provided. The method includes displaying first information related to a first application on the first touch screen and displaying second information related to the first application on the second touch screen; receiving a first user input moving to the first touch screen on the second touch screen; and replacing the first information and the second information with a third information and a fourth information related to the first application on the first touch screen and the second touch screen, in response to receiving the first user input, wherein each of the third information and the fourth information is displayed while being slidden in direction from the second touch screen to the first touch screen and the third information is displayed over a boundary between the first touch screen and the second screen during the sliding of the third information and the fourth information.

Abstract: A controlling a portable device comprising a first touch screen and a second touch screen is provided. The method includes displaying first information related to a first application on the first touch screen and displaying second information related to the first application on the second touch screen; receiving a first user input moving to the first touch screen on the second touch screen; and replacing the first information and the second information with a third information and a fourth information related to the first application on the first touch screen and the second touch screen, in response to receiving the first user input, wherein each of the third information and the fourth information is displayed while being slidden in direction from the second touch screen to the first touch screen and the third information is displayed over a boundary between the first touch screen and the second screen during the sliding of the third information and the fourth information.

Abstract: An electronic device is provided. The electronic device includes one or more processors that, while the electronic device is in a locked state, control to detect whether the electronic device is lifted, in response to detecting that the electronic device is lifted, control to activate the display, obtain an image from a camera, detect a face included in the image, and perform authentication of a user based on the face being detected in the image. Based on a result of the authentication, the one or more processors switch a state of the electronic device from the locked state to an unlocked state and display an indicator for indicating that the electronic device is in the unlocked state.

Abstract: A method of changing screens in an apparatus including multiple touch screens and an apparatus are provided. The method includes displaying a first screen in a first touch screen; displaying a second screen in a second touch screen; detecting multiple touches in the first touch screen; detecting continuous movements of the multiple touches from the first touch screen to the second touch screen; and changing the second screen of the second touch screen in response to the continuous movements of the multiple touches.

Abstract: An electronic device is provided. The electronic device includes one or more processors that, while the electronic device is in a locked state, control to detect whether the electronic device is lifted, in response to detecting that the electronic device is lifted, control to activate the display, obtain an image from a camera, detect a face included in the image, and perform authentication of a user based on the face being detected in the image. Based on a result of the authentication, the one or more processors switch a state of the electronic device from the locked state to an unlocked state and display an indicator for indicating that the electronic device is in the unlocked state.

Abstract: A controlling a portable device comprising a first touch screen and a second touch screen is provided. The method includes displaying first information related to a first application on the first touch screen and displaying second information related to the first application on the second touch screen; receiving a first user input moving to the first touch screen on the second touch screen; and replacing the first information and the second information with a third information and a fourth information related to the first application on the first touch screen and the second touch screen, in response to receiving the first user input, wherein each of the third information and the fourth information is displayed while being slidden in direction from the second touch screen to the first touch screen and the third information is displayed over a boundary between the first touch screen and the second screen during the sliding of the third information and the fourth information.

Abstract: A flexible display apparatus includes a flexible display, a sensor which senses bending of the flexible display, and a controller which determines a screen activation region and a screen inactivation region from among a plurality of display regions of the flexible display based on the sensed bending, and displays a predetermined screen on the screen activation region.