Java tutorial
//package com.java2s; import android.app.Activity; import android.content.res.Resources; import android.util.DisplayMetrics; public class Main { public static float convertDpToPixel(float dp, Activity context) { Resources resources = context.getResources(); DisplayMetrics metrics = resources.getDisplayMetrics(); float px = dp * (metrics.densityDpi / 160f); return px; } }