title: Error: 'IpageIndicator' directive or assembly reference missing? in xamarin android
body: <p>I have dowloaded code from github of <em>imageslider in xamarin</em> android from <a href="http://www.codeproject.com/Tips/1038358/Xamarin-Android-Image-Auto-Slider-and-OOM-Issue-Ha" rel="nofollow">Xamarin-Android-Image-Auto-Slider-and-OOM-Issue-Ha</a>, below is the file it shows error... </p>
  
  <pre><code>namespace autoImageSlider
  {
      [Activity (Label = "AutoImageScroller")]    
      [IntentFilter(new[] { Android.Content.Intent.ActionMain }, Categories = new[] { "dk.ostebaronen.viewpagerindicator.droid.sample" })]
      public class AutoImageScroller : FragmentActivity
      {
          Button  btn;
          private List&lt;int&gt; itemData;
          private int imageValue;
          FragStateSupport _adapter;
          ViewPager _pager;
          protected IPageIndicator _indicator;
          bool Continue = false;
  
          protected override void OnCreate (Bundle bundle)
          {
              base.OnCreate (bundle);
  
              // Create your application here
              itemData = new List&lt;int&gt; ();
              itemData.Add (Resource.Drawable.photo1);
              itemData.Add (Resource.Drawable.photo2);
              itemData.Add (Resource.Drawable.photo3);
              itemData.Add (Resource.Drawable.photo4);
              imageValue = 0;
  
              SetContentView(Resource.Layout.simple_circle_viewpager);
  
              //Set up adapter with List of photo ID as item Data
              _adapter = new FragStateSupport(SupportFragmentManager,itemData);
  
              //Setup pager reference
              _pager = FindViewById&lt;ViewPager&gt;(Resource.Id.pager);
              _pager.Adapter = _adapter;
  
              //Setup CirclePageIndicator Reference
              _indicator = FindViewById&lt;CirclePageIndicator&gt;(Resource.Id.indicator);
              _indicator.SetViewPager(_pager);
  
              btn = FindViewById&lt;Button&gt; (Resource.Id.myButton);
              btn.Click += HandleClick;
              btn.Text = "Run Slider";
          }
  
          async void HandleClick (object sender, EventArgs e)
          {
              if (Continue) {
                  btn.Text = "Run Slider";
                  Continue = false;
              } else {
                  Continue = true;
                  btn.Text = "Stop";
              }
  
              if (Continue) {
                  ThreadPool.QueueUserWorkItem (o =&gt; RunSlowMethod ());
              }
          }
  
          public void RunSlowMethod()
          {
              while (Continue) {
                  imageValue = imageValue + 1;
                  if (imageValue &gt; 3) {
                      imageValue = 0;
                      Console.WriteLine("Compute reset : t" + imageValue);
                  }
                  Thread.Sleep (2000);
                  this.RunOnUiThread (() =&gt; _pager.SetCurrentItem (imageValue, true));
              }
          }
  
          protected override void OnDestroy ()
          {
              Continue = false;
              base.OnDestroy ();
          }
      }
  }
  </code></pre>
  
  <p>It shows me error saying...</p>
  
  <blockquote>
    <p>The type or namespace name <code>IpageIndicator</code> Could not be found
    (are you missing a using directive or an assembly reference?).</p>
  </blockquote>
  
  <p>In references folder it showing exclametory mark for <code>DK.Ostebaronen.Droid.ViewPagerIndicator.</code> </p>
  
  <p>Please help me, what should be done here.I am new bee in xamarin android.</p>