{

[Activity(Label = "@string/app_name", Theme = "@style/Theme.AppCompat.Light.NoActionBar", MainLauncher = false)]

public class DemiThirdActivity : AppCompatActivity

{

RecyclerView mRecyclerView;

RecyclerView.LayoutManager mLayoutManager;

DemiProductAdapter mAdapter;

DemiProductList mProductList;

DemiProductCategory CategoryID;

DemiProductGroup GroupID;

protected override void OnCreate(Bundle bundle)

{

base.OnCreate(bundle);

SetContentView(Resource.Layout.Demiactivity_main);

mRecyclerView = FindViewById<RecyclerView>(Resource.Id.recyclerView1);

if (this.Intent.Extras != null)

{

var category = (DemiProductCategory) Intent.Extras.GetInt("CategoryID");

var group = (DemiProductGroup) Intent.Extras.GetInt("GroupID");

CategoryID = category;

GroupID = group;

}

mProductList = new DemiProductList(CategoryID, GroupID);

//----------------------------------------------------------------------------------------

// Layout Managing Set-up

mLayoutManager = new GridLayoutManager(this, 2, GridLayoutManager.Vertical, false);

mRecyclerView.SetLayoutManager(mLayoutManager);

//----------------------------------------------------------------------------------------

// Adapter Set-up

mAdapter = new DemiProductAdapter(mProductList);

mAdapter.ItemClick += OnItemClick;

mRecyclerView.SetAdapter(mAdapter);

}

void OnItemClick(object sender, int position)

{

Toast.MakeText(this, "This is product " + mProductList[position].name, ToastLength.Short).Show();

}

}