Java tutorial
//package com.java2s; import android.content.Context; import android.graphics.Point; import android.view.Display; import android.view.WindowManager; public class Main { public static Point getDeviceSize(Context context) { Point size = new Point(-1, -1); // invalid size if (context == null) return size; WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display display = wm.getDefaultDisplay(); // the display that we see display.getSize(size); return size; } }