MOBILE DEVICE DISPLAYING SUB INPUT DEVICE AND CONTROLLING METHOD THEREOF

摘要

PURPOSE: A mobile device displaying a sub input device and a controlling method thereof are provided to input a command more easily and smoothly while a user is moving. CONSTITUTION: A user interface(100) displays a dialog box(10) equipped with the buttons(11-22) for receiving the command corresponding to a current operation result of a system, and selectively displays a virtual keyboard window(30) having the buttons(31-36) of a larger size than the button of the dialog box and performing the same command as the button of the dialog box. A controller controls the system depending on the button selected from a virtual keyboard displayed on the user interface.