To have no borders on your app on android, add the following to the overriden [i]build[/i] function for your app:
[code]
SystemChrome.setEnabledSystemUIOverlays([]);
[/code]
And in [i][project_root]/android/app/main/res/src/values/styles.xml[/i] and [i][project_root]/android/app/main/res/src/values-night/styles.xml[/i] in both the [i]LaunchTheme[/i] and [i]NormalTheme[/i] sections add in the following to hide any gaps made by noteches/camera holes on modern phones:
[code]
<item name="android:windowLayoutInDisplayCutoutMode">
shortEdges
</item>
[/code]