Hi, I have a video .MOV file in external storage.
After I copy it from my external storage into my phone and using : PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: URL) that was successful save into Photo app and the thumbnail at this moment is the first frame of video.
After a short period of time, the thumbnail of video auto changes into the other frame.
After I copy it from my external storage into my phone and using : PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: URL) that was successful save into Photo app and the thumbnail at this moment is the first frame of video.
After a short period of time, the thumbnail of video auto changes into the other frame.