Seekbar is not moving when Huawei mobile phone plays video

After the exclusion, the final conclusion is reached

1. On the Huawei mobile phone after the network video buffer completed monitoring, the video length can not be obtained as 0, at this time set Seekbar maximum value is 0, no matter how drag will be dragged to 0 points 2. The video's width can only be obtained when the first frame of the video is played, at which time the callback is onvideosizechanged At this time get the video width high gets the current playback length is normal but note that this callback calls multiple suggestions lock

From for notes (Wiz)

Seekbar is not moving when Huawei mobile phone plays video