Create empty layer and name it:
default 100% drawable-mdpi/ + 150% drawable-hdpi/ + 200% drawable-xhdpi/ + 300% drawable-xxhdpi/
Reference:
Create empty layer and name it:
default 100% drawable-mdpi/ + 150% drawable-hdpi/ + 200% drawable-xhdpi/ + 300% drawable-xxhdpi/
Reference: