| 摘要 |
A handheld user device and a control method thereof are provided, the user terminal device includes a first user interface, a second user interface, a sensing device which senses an operating condition of the handheld user device, a controller which enables the first user interface and disables the second user interface if the operating condition corresponds to a first condition and enables the second user interface and disables the first user interface if the operating condition corresponds to a second condition. |
