TraitCollectionBasedAdjustments.swift

// Bigger iPhones = any Max, any Plus, iPhone XR, iPhone 11

switch (UITraitCollection.current.horizontalSizeClass, UITraitCollection.current.verticalSizeClass) {

    case (.compact, .compact):
    // Smaller iPhones in landscape

    case (.compact, .regular):
    // iPhones in portrait
    // iPads in portrait during any split screen,
    // iPads in landscape during 1/3 or 1/2 split screen

    case (.regular, .compact):
    // Bigger iPhones in landscape

    case (.regular, .regular):
    // iPads during full screen,
    // iPads in landscape during 2/3 split screen,
    // iPad Pro 12.9" in landscape during 1/2 split screen
}
   

Thanks!