Java tutorial
//package com.java2s; import android.content.Context; import android.graphics.Point; import android.os.Build; import android.view.Display; import android.view.WindowManager; public class Main { public static Point getScreenSize(Context context) { WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display display = wm.getDefaultDisplay(); Point size = new Point(); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) { display.getSize(size); } else { size.set(display.getWidth(), display.getHeight()); } return size; } }