Problem with UI on Android Tablet

Roon Core Machine

Core Machine: ROCK installed on NUC10i7FNH1, Intel core i7-10710U, 32G RAM

Networking Gear & Setup Details

Eero 5 Pro, Linksys 1G managed swtich, 1G Ethernet

Connected Audio Devices

VSSL A.6x - Matrix amp
2 Ethernet-based (wired) Chromecast Audio

Number of Tracks in Library

40,000 tracks

Description of Issue

I have a few tablets around the house that I use as remotes. One of them is a Lenovo M10(HD) 1st gen tablet which has it’s own docking stand. The display rez/specs are bare minimum for what is required for a Roon remote: 1280x800 with a DPI of 160.

While it works just fine, there is an issue. I place the tablet in its stand (which changes its mode from portrait to landscape). When I pick up the tablet again and put it in portrait mode, there is a visible black bar starting at 800 pixels down (which is where the bottom of the screen would be in landscape mode). To get it to go away, I have to kill the Roon remote app and restart it.

Other factoids:

  • I have played around changing the DPI to a different value, say 140 dpi, but the artifact remains

  • I have the 2nd gen M10 tablet as well, which has a better resolution (1920x1200) and the artifact is not present

  • No other application on that tablet has this issue

Screen shots - landscape mode:

Screen shots - portrait mode, illustrating the artifact:

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