title: How to hide first item in an android spinner dropdown?
body: <p>I'm using adapter.add for adding a title in my spinner, but how to hide first item in an android spinner dropdown?
  Here is My Code:</p>
  
  <pre><code>var spinner1 = FindViewById&lt;Spinner&gt;(Resource.Id.spinner1);
  var adapter = new ArrayAdapter&lt;string&gt;(this, Android.Resource.Layout.SimpleSpinnerItem);
  spinner1.Adapter = adapter;
  adapter.Add("Select one...");
  adapter.Add("Name");
  adapter.Add("Mobile");
  adapter.Add("Age");
  </code></pre>
  
  <p>See images below:</p>
  
  <p><a href="https://i.stack.imgur.com/k2grt.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/k2grt.jpg" alt="enter image description here"></a>
  <a href="https://i.stack.imgur.com/SAL7d.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/SAL7d.jpg" alt="enter image description here"></a></p>