Java tutorial
//package com.java2s; import android.app.Activity; import android.util.DisplayMetrics; import android.view.Display; public class Main { public static int getScreenWidth(Activity ctx) { Display display = ctx.getWindowManager().getDefaultDisplay(); DisplayMetrics outMetrics = new DisplayMetrics(); display.getMetrics(outMetrics); float density = ctx.getResources().getDisplayMetrics().density; return Math.round(outMetrics.widthPixels); } }