protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
Cheeseknife.Inject(this);
rvProducts.SetLayoutManager(new LinearLayoutManager(this));
products = Ultilities.GetDefaultData <Product>("data.json");
adapter = new ProductAdapter(products);
rvProducts.SetAdapter(adapter);
}