getRealScreenSize

    public static Point getRealScreenSize(Context context) {
        WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        Display display = windowManager.getDefaultDisplay();
        Point size = new Point();

        if (Build.VERSION.SDK_INT >= 17) {
            display.getRealSize(size);
        } else {
            try {
                size.x = (Integer) Display.class.getMethod("getRawWidth").invoke(display);
                size.y = (Integer) Display.class.getMethod("getRawHeight").invoke(display);
            } catch (Exception ignored) {}
        }

        return size;
    }