+ Completed assignment 4.
+ Linkify mechanism through layout autolink attribute, Linkify addLinks method, html string, and so on.
+ DownloadManager to get data from an URL
+ WebView
+ 1. Add the restaurant information including contact number, email address, store address with corresponding links (3 points);
+ 2. For each dish item, add a button for downloading media data such as phone, video or pdf file
+ 3. Display restaurant web page (could be fake one such as McDonald website ) through a button.