Here you can find the source of getDpiToPix(Context ctx)
public static float getDpiToPix(Context ctx)
//package com.java2s; import android.content.Context; import android.util.TypedValue; public class Main { /**/*from w ww .j a va 2 s .c om*/ * 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()); } }