Java tutorial
//package com.java2s; import android.content.Context; import android.util.TypedValue; public class Main { /** * Converts 1 dip (device independent pixel) into its equivalent physical pixels */ public static float getDpiToPix(Context ctx) { return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1, ctx.getResources().getDisplayMetrics()); } }