Bindable SwipeRefreshLayout

awesome_layout.axml

<?xml version="1.0" encoding="utf-8"?>
<Your.Awesome.Namespace.BindableSwipeRefreshLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"
  android:id="@+id/refresher"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  app:MvxBind="Refreshing IsRefreshing; Refresh RefreshCommand">
  <Mvx.MvxListView
    android:layout_height="match_parent"
    android:layout_width="match_parent"
    android:divider="@null"
    app:MvxItemTemplate="@layout/listitem_awesome"
    app:MvxBind="ItemsSource AwesomeSauce; ItemClick AwesomeCommand" />
</Your.Awesome.Namespace.BindableSwipeRefreshLayout>

AwesomeView.cs

[Activity(Label = "Awesome!")]
public class ValidationView 
  : MvxActivity<AwesomeViewModel>
{
  protected override void OnCreate(Bundle bundle)
  {
    base.OnCreate(bundle);

    RequestWindowFeature(WindowFeatures.ActionBar);
    SetContentView(Resource.Layout.awesome_layout);

    var swipeLayout = FindViewById<BindableSwipeRefreshLayout>(Resource.Id.refresher);
    swipeLayout.SetColorScheme(
      Resource.Color.awesomeColor1, Resource.Color.awesomeColor2,
      Resource.Color.awesomeColor3, Resource.Color.awesomeColor4);
  }
}

BindableSwipeRefreshLayout.cs

public class BindableSwipeRefreshLayout
  : SwipeRefreshLayout
{
  private ICommand _refresh;

  protected BindableSwipeRefreshLayout(IntPtr javaReference, JniHandleOwnership transfer)
    : base(javaReference, transfer) { }
  public BindableSwipeRefreshLayout(Context p0)
    : this(p0, null) { }

  public BindableSwipeRefreshLayout(Context p0, IAttributeSet p1)
    : base(p0, p1) { }

  public new bool Refreshing
  {
    get { return base.Refreshing; }
    set { base.Refreshing = value; }
  }

  public new ICommand Refresh
  {
    get { return _refresh; }
    set
    {
      _refresh = value;
      if (_refresh != null)
        EnsureOnRefreshOverloaded();
    }
  }

  private bool _refreshOverloaded;
  private void EnsureOnRefreshOverloaded()
  {
    if (_refreshOverloaded)
      return;

    _refreshOverloaded = true;
    base.Refresh += (sender, args) => ExecuteCommandOnRefresh(Refresh);
  }

  protected virtual void ExecuteCommandOnRefresh(ICommand command)
  {
    if (command == null)
      return;

    if (!command.CanExecute(null))
      return;

    command.Execute(null);
  }
}