Apply a safe region calculation using classic ad banner.

AdBannerSafeRegion.cs

/// <summary>
/// Only <see cref="BannerPosition.BOTTOM_*"/>
/// </summary>
public static void ApplyAdsSafeRegion(this RectTransform target, Rect safeRegion)
{
    static float getAdHeight() =>
        ((Screen.height / (Screen.dpi / 160f)) > 720f) ? 90f * (Screen.dpi / 160f)
        : ((Screen.height / (Screen.dpi / 160f)) > 400f) ? 50f * (Screen.dpi / 160f)
        : 32f * (Screen.dpi / 160f);
    r.y += getAdHeight();
    r.height -= getAdHeight();

    var anchorMin = r.position;
    var anchorMax = r.position + r.size;
    anchorMin.x /= Screen.width;
    anchorMin.y /= Screen.height;
    anchorMax.x /= Screen.width;
    anchorMax.y /= Screen.height;

    target.anchorMin = anchorMin;
    target.anchorMax = anchorMax;
}