How to solve focus issue in UWP

1. Check all focus codes in your solution.
2. Make sure Control.IsTabStop = True, especially for the Page class because it is not default to true.
3. Remove .vs folder under your solution.(Need close Visual Studio)

Remove ListView item tap animation in UWP

1. Add ListViewItemStyle Template
2. Change the code below:

How to Convert from webvtt to srt

It’s very easy, just download the webvtt files, and then download the application, drag your webvtt files to the application, and everything could be ok.