| 摘要 |
Disclosed is a user device comprising a display having an available display area, a network interface, and one or more processors. The network interface is configured to transmit and receive messages between the user device and a communication network in an instant messaging communication session. A client application executed on the one or more processors has a user interface configured to operate in a conversation mode. Responsive to a mode switch instruction, the client accesses the computer storage to automatically identify the most recently received message of the stored messages and to modify the client user interface to operate in an engagement mode to display at least the identified message, whereby each displayed message in the engagement mode occupies a larger respective proportion of the available display area than in the conversation mode. |
