title: layoutmanager.FindFirstCompletelyVisibleItemPosition always returns -1
body: <p>I have a recyclerview in my android project which displays media contents within each view. What I'm trying to achieve is that I'm able to play/pause media as I scroll up and down. I need to get the adapter position of the completely visible view. I'm doing something like this.</p>
  
  <p>In my activity fragment I have this:</p>
  
  <pre><code>        layoutmanager = new LinearLayoutManager(Activity);
  
          adapter = new FeedAdapter(vid, userName, this.Context);
  
          feeditem.SetLayoutManager(layoutmanager);
          feeditem.SetAdapter(adapter);
  
          var onScrollListener = new XamarinRecyclerViewOnScrollListener(Activity, layoutmanager, adapter);
  </code></pre>
  
  <p>The scroll listener event looks like this:</p>
  
  <pre><code>public override void OnScrollStateChanged(RecyclerView recyclerView, int newState)
      {
          base.OnScrollStateChanged(recyclerView, newState);
  
          if (newState == (int)ScrollState.Idle)
          {
              layoutmanager = (LinearLayoutManager)recyclerView.GetLayoutManager();
  
              int firstVisiblePosition = layoutmanager.FindFirstCompletelyVisibleItemPosition();
              int visible = layoutmanager.FindFirstVisibleItemPosition();
              int last = layoutmanager.FindLastVisibleItemPosition();
              if (firstVisiblePosition &gt;= 0)
              {
                  if (oldFocusedLayout != null)
                  {
                      Toast.MakeText(ctx, "Stop Video", ToastLength.Long).Show();
                  }
  
  
              }
              currentFocusedLayout = layoutmanager.FindViewByPosition(firstVisiblePosition);
  
              Toast.MakeText(ctx, "Play video", ToastLength.Long).Show();
  
              oldFocusedLayout = currentFocusedLayout;
  
          }
      }
  
          feeditem.AddOnScrollListener(onScrollListener);
  </code></pre>
  
  <p>The issue is that the linearlayout manager method <code>FindFirstCompletelyVisibleItemPosition</code> always returns -1 even when the view is completely visible. Other methods like <code>FindFirstVisibleItemPosition</code> and <code>FindLastVisibleItemPosition</code> gives the correct position of the view. </p>
  
  <p>Any idea what might be the issue here? </p>