How to make your iPad app hide blooming on miniLED displays
Things to avoid
Don’t add drop shadow
Drop shadows increase the blooming effect, especially against a dark background.
Don’t use pitch black backgrounds
black background on your app makes those pixels near UI items light up do to inefficient display technology. To avoid this use a dark color to keep those pixels turned on at a lower brightness which alleviates blooming.It doesn’t completely get rid of blooming, however it does help.
Detecting if device is iPad in your code
if UIDevice.current.userInterfaceIdiom == .pad {
//Your iPad specific code here
}
The approach above will simply tell you if your device is an iPad, you can place your design spec in their, however you can go further by detecting device model using third party frameworks.