Putting screen densities into the correct bucket

Question

A set of six generalized densities:

ldpi (low) ~120dpi
mdpi (medium) ~160dpi
hdpi (high) ~240dpi
xhdpi (extra-high) ~320dpi
xxhdpi (extra-extra-high) ~480dpi         


        

Answer 1

you have to handle the resources regarding the screen width in dp not dpi(dot per inch)

for example nexus 5 1920 X 1080 480 dpi it uses xxhdpi and nexus 6p 2560 X 1440 560 dpi it uses xxhdpi too not xxxhdpi !!

to handle it use the smalest width resource "drawable-swXXXdp"

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width in dp = width in pixle / (dpi/160) dp= 1440/(560/160) =~ 411

create drawable-sw411dp 

Reference