MOBILE ELECTRONIC DEVICE, ACCESSORY DEVICE THEREFOR, AND ELECTRONIC APPARATUS HAVING THE ACCESSORY DEVICE

摘要

Disclosed are a mobile electronic device, an accessory device therefor, and an electronic apparatus having the accessory device. The mobile electronic device comprises: a display unit having a display screen; a cover recognition unit which recognizes identification information of a cover if the display screen is covered by the cover; and a control unit which executes a program corresponding to the identification information of the cover when the identification information is received, and displays a user interface screen corresponding to the cover on a display screen.