1. Open the phone interface to be recorded, slide down the notification bar at the top to open the notification panel.

2. Find the option to start screen recording in the notification panel, click it and wait for 3 seconds to enter the screen recording state.

3. After entering the screen recording state, a floating window will appear on the right side of the mobile phone. After the screen recording is completed, click this window to save the recorded video. Solved the problem of oppoa3 screen recording switch.