protected override void OnCreate (Bundle bundle)
        {
            base.OnCreate (bundle);

            // Set our view from the "main" layout resource
            SetContentView (Resource.Layout.Main);

            RecyclerListAdapter adapter = new RecyclerListAdapter(this);

            RecyclerView recyclerView = FindViewById<RecyclerView>(Resource.Id.recycler_view);
            recyclerView.HasFixedSize = true;
            recyclerView.SetAdapter(adapter);
            recyclerView.SetLayoutManager(new LinearLayoutManager(this));

            ItemTouchHelper.Callback callback = new SimpleItemTouchHelperCallback(adapter);
            mItemTouchHelper = new ItemTouchHelper(callback);
            mItemTouchHelper.AttachToRecyclerView(recyclerView);
        }
        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            // Set our view from the "main" layout resource
            SetContentView(Resource.Layout.Main);

            RecyclerListAdapter adapter = new RecyclerListAdapter(this);

            RecyclerView recyclerView = FindViewById <RecyclerView>(Resource.Id.recycler_view);

            recyclerView.HasFixedSize = true;
            recyclerView.SetAdapter(adapter);
            recyclerView.SetLayoutManager(new LinearLayoutManager(this));

            ItemTouchHelper.Callback callback = new SimpleItemTouchHelperCallback(adapter);
            mItemTouchHelper = new ItemTouchHelper(callback);
            mItemTouchHelper.AttachToRecyclerView(recyclerView);
        }