When I use different layouts to support different screens , should I use dp or px .
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When I use different layouts to support different screens , should I use dp or px .
Always use dp instead of px.
There are three distinct but linked concepts to understand here: screen density (pixels per inch/centimeter, or commonly known as DPI from dots per inch in printers), physical screen size (in inches or centimeters) and number of pixels (also known as resolution, in pixels).
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