Android Question webview video fullscreen problem

The less you use webview the better.
You should use Exoplayer to play Videos.

DonManfred said:

The less you use webview the better.
You should use Exoplayer to play Videos.

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There is a video on the web page. This video opens the webview, but the fullscreen button is disabled. websettings, chromclient etc .. these did not work. I activated the button with the adwanced webview library. but when the button is clicked my screen stop. It does not enlarge the video. Could there be a lack of authorization in the manifest file?