Here you can find the source of scaleDpToPixels(double value, Resources res)
public static int scaleDpToPixels(double value, Resources res)
//package com.java2s; //License from project: Open Source License import android.content.res.Resources; public class Main { public static int scaleDpToPixels(double value, Resources res) { final float scale = res.getDisplayMetrics().density; return (int) Math.round(value * scale); }/*from ww w . j a va 2 s . c o m*/ }