Sizes

Why provide multiple resolutions for Android?

Why provide multiple resolutions for Android?
  1. Why is it problematic to different sizes using pixels on Android?
  2. What is multiple screen sizes in Android?
  3. What is used for resolution in Android?

Why is it problematic to different sizes using pixels on Android?

The first pitfall you must avoid is using pixels to define distances or sizes. Defining dimensions with pixels is a problem because different screens have different pixel densities, so the same number of pixels may correspond to different physical sizes on different devices.

What is multiple screen sizes in Android?

Screen size : Actual physical size, measured as the screen's diagonal. For simplicity, Android groups has four generalized sizes: small, normal, large, and extra large.

What is used for resolution in Android?

320dp: Typical phone screen (240x320 ldpi, 320x480 mdpi, 480x800 hdpi, etc.) 480dp: Large phone screen ~5" (480x800 mdpi) 600dp: 7” tablet (600x1024 mdpi) 720dp: 10” tablet (720x1280 mdpi, 800x1280 mdpi, etc.)

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