public void OnTabUnselected(AndroidX.AppCompat.App.ActionBar.Tab tab, AndroidX.Fragment.App.FragmentTransaction ft)
 {
     if (fragment != null)
     {
         ft.Detach(fragment);
     }
 }
            public void OnTabSelected(AndroidX.AppCompat.App.ActionBar.Tab tab, AndroidX.Fragment.App.FragmentTransaction ft)
            {
                var className = Java.Lang.Class.FromType(fragmentType).Name;

                if (fragment == null)
                {
                    fragment = AndroidX.Fragment.App.Fragment.Instantiate(parent, className, args);
                    ft.Add(Android.Resource.Id.Content, fragment, tag);
                }
                else
                {
                    ft.Attach(fragment);
                }

                // TODO: Add AutoTracking here once the autoTracking fixes make it into the SDK.
            }
 public void OnTabReselected(AndroidX.AppCompat.App.ActionBar.Tab tab, AndroidX.Fragment.App.FragmentTransaction ft)
 {
     throw new NotImplementedException();
 }