private void SetUpRecyclerView(RecyclerView _recyclerView)
{
//Create our layout manager
_recyclerView.AddItemDecoration(horizontalDecoration);
_recyclerView.HasFixedSize = true;
var layoutManager = new LinearLayoutManager(this);
onScrollListener = new XamarinRecyclerViewOnScrollListener(layoutManager);
onScrollListener.LoadMoreEvent += OnScrollListener_LoadMoreEventAsync;
onScrollListener.OnHide += OnScrollListener_OnHide;
onScrollListener.OnShow += OnScrollListener_OnShow;
_recyclerView.AddOnScrollListener(onScrollListener);
_recyclerView.SetLayoutManager(layoutManager);
}
private void ChangeLayout(RecyclerView _recyclerView)
{
if (Adapter != null && Adapter.ItemCount > 0)
{
int scrollPosition = 0;
LinearLayoutManager mLayoutManager;
// If a layout manager has already been set, get current scroll position.
if (_recyclerView.GetLayoutManager() != null)
{
scrollPosition = ((LinearLayoutManager)_recyclerView.GetLayoutManager())
.FindFirstCompletelyVisibleItemPosition();
}
switch (mCurrentLayoutManagerType)
{
case MyEnum.ListView:
mLayoutManager = new LinearLayoutManager(this);
mCurrentLayoutManagerType = MyEnum.Thumbnail;
ChangeMenuIconToThumbnail();
_recyclerView.SetLayoutManager(mLayoutManager);
onScrollListener = new XamarinRecyclerViewOnScrollListener(mLayoutManager);
break;
case MyEnum.Thumbnail:
var mGridLayoutManager = new GridLayoutManager(this, 2, GridLayoutManager.Vertical, false);
mCurrentLayoutManagerType = MyEnum.GridView;
ChangeMenuIconToList();
_recyclerView.SetLayoutManager(mGridLayoutManager);
onScrollListener = new XamarinRecyclerViewOnScrollListener(mGridLayoutManager);
break;
case MyEnum.GridView:
mLayoutManager = new LinearLayoutManager(this);
mCurrentLayoutManagerType = MyEnum.ListView;
ChangeMenuIconToList();
_recyclerView.SetLayoutManager(mLayoutManager);
onScrollListener = new XamarinRecyclerViewOnScrollListener(mLayoutManager);
break;
default:
mLayoutManager = new LinearLayoutManager(this);
mCurrentLayoutManagerType = MyEnum.ListView;
ChangeMenuIconToList();
_recyclerView.SetLayoutManager(mLayoutManager);
onScrollListener = new XamarinRecyclerViewOnScrollListener(mLayoutManager);
break;
}
Adapter = new Product_Adapter(this, Adapter.Product, this);
Adapter.SetLayoutManager(mCurrentLayoutManagerType);
_recyclerView.SetAdapter(Adapter);
_recyclerView.ScrollToPosition(scrollPosition);
recyclerView.RemoveOnScrollListener(onScrollListener);
onScrollListener.LoadMoreEvent += OnScrollListener_LoadMoreEventAsync;
onScrollListener.OnHide += OnScrollListener_OnHide;
onScrollListener.OnShow += OnScrollListener_OnShow;
recyclerView.AddOnScrollListener(onScrollListener);
//Decorate Recyclerview
if (mCurrentLayoutManagerType == MyEnum.GridView)
{
_recyclerView.AddItemDecoration(verticalDecoration);
}
else
{
_recyclerView.AddItemDecoration(verticalDecoration);
}
}
}
