[android-developers] Re: Clarification on DPI

On Dec 29 2011, 10:06 pm, Jonathan <jlani...@gmail.com> wrote:
> And how in the world do they get a 2/3 scaling factor?

HDPI density is 240 dpi, see http://developer.android.com/reference/android/util/DisplayMetrics.html#DENSITY_HIGH

if dp = px / (dpi/160) and dp = px * scaling factor then scaling
factor = 1 / (dpi/160)

hence, hdpi scaling factor is 1 / (240/160) or 160/240 resulting in 2/3

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