Provide different images and icon in different drawable folder for different screen resolutions.So you can create values folder xhdpi, xxhdpi, xxxhdpi, sw480dp and sw600dp with a base value folder. You will find now-a-days maximum phone screen size 4' to 7'. Values folder for different screen resolutions. P rovide dimensions for different values folder for different screen resolutions.Keep dimensions in dimens.xml files (Not hardcoded in app code or xml file).

Use only sp (scale-independent pixels) for text size.Use only dp (density-independent pixels), match_parent or wrap_content for layout elements dimensions.This document will shows you how to support different screen sizes with the following three components: We should design the user interface of our application in such a way so that it appears correctly on the widest possible range of devices. That’s why handling the multiple screen size is most important.

Android runs on a variety of devices that offer different screen sizes and densities.

Android studio preview all screen sizes