Manage layout in multiple device in android

First of all create res folder structure as below image.

In above image you can see like for image make drawable folder like below

for mobile

drawable-hdpi (normal size mobile like 480x800, 480x854 etc.. )

drawable-xhdpi (high resolution scree like 1080x1920, 768x1280 etc..)

drawable-xxhdpi (very high resolution 1440x2560)

for 7 inch tablet

drawable-large

for 10 inch tablet

drawable-xlarge

For making layout folder

for Mobile

layout

for 7 inch

layout-sw600dp-port (portrait)

layout-sw600dp-land (landscape)

for 10 inch

layout-sw720dp-port (portrait)

layout-sw720dp-land (landscape)

For making values folder

for Mobile

values-hdpi

values-xhdpi

for Tablet 7 inch

values-large

for Tablet 10 inch

values-xlarge

And inside values/dimens.xml folder set different value for all folder so you can manage in all verison of device as well as tablet