Tools/materials: Huawei P50 Pro, Harmony 3.0.0, Tik Tok 23.3.0.
1, open long video
After opening the main page of the latest Tik Tok software, open the long video and open the barrage on the main page (short video has no barrage function, only long video can be opened).
2. Long press the video
After entering the long video interface that needs to open the barrage, press and hold the video with your finger.
3. Turn on the barrage switch
After the page pops up the option interface of long press video, just open the button behind the barrage switch.