[android] XXHDPI and XXXHDPI dimensions in dp for images and icons in android

try like this. hope it works

drawable-sw720dp-xxhdpi and values-sw720dp-xxhdpi

drawable-sw720dp-xxxhdpi and values-sw720dp-xxxhdpi

link might destroy so pasted ans

reference Android xxx-hdpi real devices

xxxhdpi was only introduced because of the way that launcher icons are scaled on the nexus 5's launcher Because the nexus 5's default launcher uses bigger icons, xxxhdpi was introduced so that icons would still look good on the nexus 5's launcher.

also check these links

Different resolution support android

Application Skeleton to support multiple screen

Is there a list of screen resolutions for all Android based phones and tablets?