android 10" xhdpi tablet launcher icon size

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http://stackoverflow.com – i have an app that creates shortcuts. it generates the shortcut icon dynamically, so i need to know the correct launcher icon size. to handle this, i created dimens.xml in values-ldpi/mdpi/hdpi/xhdpi/xxhdpi and defined my icon size to be 36/48/72/96/144px respectively. this scheme works, except on 10", xhdpi tablets (like the nexus 10). it appears these tablets use a launcher icon size of 144px (xxhdpi) despite have an xhdpi screen. is there a way to correctly detect the launcher icon size that takes into account 10" xhdpi tablets? or is there a better scheme for getting my icons sized cor (HowTos)