Java tutorial
//package com.java2s; import android.content.Context; import android.util.DisplayMetrics; import android.view.Display; import android.view.WindowManager; public class Main { public static String getResolution(Context context) { WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); if (wm == null) return null; Display display = wm.getDefaultDisplay(); if (display == null) return null; DisplayMetrics metrics = new DisplayMetrics(); display.getMetrics(metrics); return metrics.widthPixels + "x" + metrics.heightPixels; } }