Patent ID: 9749269
Date: 2017-08-29
CPC Classifications: G06F,G06Q,H04L

Claim:
1. A method of displaying a lock screen on a user terminal device comprising communication circuitry, a display unit including a display, and a control unit including a processor, the method comprising: receiving, via the communication circuitry, a message from a friend user, the message including content capable of being reproduced; displaying, under control of the control unit, a lock screen on the display unit while the user terminal device is locked, the lock screen comprising information indicative of the content included in the received message, a first user interface element, and a second user interface element; when a user input signal is received via the first user interface element on the lock screen, executing, by the control unit, an application for reproducing the content, and displaying reproduced content on the lock screen while the user terminal device is locked; and when a user input signal is received via the second user interface element on the lock screen, initiating, by the control unit, unlocking of the locked user terminal device.