After upgrading ionic framework to latest release candidate, $ionicActionSheet has started misbehaving. It shows correct format with colors etc when displayed in Chrome browser using ionic serve but when I install the App on Android device it displays a plain white background for $ionicActionSheet.
As I found out when I asked, this is part of the move toward Material Design for Android. If you look at the ionic CSS file, you will see android specific values for actionsheets. I spent a whole evening trying to figure out why my actionsheet looked “ugly” (thinking I did something wrong) when in fact it is intentional: