Java tutorial
//package com.java2s; import android.content.Context; import android.content.res.Resources; import android.util.TypedValue; public class Main { private static final float DENSITY = Resources.getSystem().getDisplayMetrics().density; public static int dp2px(int dp) { return Math.round(dp * DENSITY); } public static int dp2px(Context context, float dpVal) { return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dpVal, context.getResources().getDisplayMetrics()); } }