Question: what is hdpi and mdpi in android?
Answer: Hdpi is a 1.5:1, and can be thought of as a HD (high-definition) display. ... The normal mdpi is based on a 160 dpi screen, which again is the same as a single pixel unit in your graphics software. Here's a quick breakdown of the dpi measurements for the different pixel densities: ldpi — 120dpi. mdpi — 160 dpi.