Patent ID: 11954305
Assignee: nan
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The method according to claim 1, wherein the operating system of the interactive flat panel is an Android system, and, if the sliding operation is the single-finger sliding operation, controlling, via the Android mainboard of the interactive flat panel, the display screen of the interactive flat panel to display the sliding trajectory corresponding to the sliding operation comprises:
sending the touch operation to the annotation application and the slide document respectively;
for the annotation application, calling the onTouchEvent( ) function in the dispatchTouchEvent( ) class, responding to the touch operation, and returning true; and
for the slide document, calling the onTouchEvent( ) function in the dispatchTouchEvent( ) class, giving no response to the touch operation, and returning false.