Terminal device, screen sharing method, and screen sharing system

A screen sharing method executed by a terminal device that shares a screen with one or more other terminal devices via an information processing device, the screen sharing method comprising:

• acquiring data necessary for screen display from an acquisition destination, and storing the acquired data necessary for screen display in a storage unit, before receiving a screen share start request from a user;
• sending the screen share start request received from the user to the information processing device, and acquiring information necessary for sharing a screen from the information processing device;
• and
• determining whether data necessary for screen display based on the screen share start request has been acquired, based on identification information of data necessary for screen display included in the information necessary for sharing the screen and identification information of data necessary for screen display stored in the storage unit, and starting to share the screen with the one or more other terminal devices by using the data necessary for screen display stored in the storage unit, when data necessary for screen display is determined to have been acquired.

A screen sharing system comprising:

• an information processing device;
• an application installed in a plurality of terminal devices that share a screen via the information processing device;
• a data acquisition unit configured to acquire, by the application, data necessary for screen display from an acquisition destination, and store, by the application, the acquired data necessary for screen display in a storage unit, before receiving a screen share start request from the terminal device of a user;
• a start request unit configured to send, by the application, the screen share start request received from the user to the information processing device, and acquire, by the application, information necessary for sharing a screen from the information processing device;
• and
• a start process unit configured to determine, by the application, whether data necessary for screen display based on the screen share start request has been acquired, based on identification information of data necessary for screen display included in the information necessary for sharing the screen and identification information of data necessary for screen display stored in the storage unit, and to start to share the screen with other ones of the plurality of terminal devices, by the application, by using the data necessary for screen display stored in the storage unit, when data necessary for screen display is determined to have been acquired.