title: How to slide to new page on the right instead of the bottom in flutter?
body: <p>The default flutter animation to transit a new page into the focus is to slide it up from the bottom. How do i change this behaviors and slide the new page in from the right or left instead?   </p>
  
  <pre><code>      Navigator.push(
          context,
            new PageRouteBuilder(
            pageBuilder: (BuildContext context, _, __) {
              return new SearchView();
            }
            )
        );
  </code></pre>