My code is the same as in a YouTube video that works fine, so I don't think it's a code problem. If you go for Google play, then you need some registration process and so on. See the following guides: Please make sure you download and install all of the prereqs mentioned in the guides above. d?s=YToyOntzOjc6InJlZmVyZXIiO3M6MjA6Imh0dHA6Ly9iYW5kY2FtcC5jb20vIjtzOjM6ImtleSI7czozNzoiVnMgMjAxNyBhbmRyb2lkIGVtdWxhdG9yIGJsYWNrIHNjcmVlbiI7fQ=īLACK SCREEN in AVD (Android Virtual Device) after starting the Build.
