protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.activity_main);
RecyclerView recyclerView = FindViewById <RecyclerView>(Resource.Id.recyclerview);
this.updateButton = FindViewById <Button>(Resource.Id.button_update);
this.isReverseButton = FindViewById <ToggleButton>(Resource.Id.button_is_reverse);
// Set adapter populated with example dummy data
this.adapter = new AnimalsHeadersAdapter();
adapter.Add("Animals below!");
adapter.AddAll(this.GetDummyDataSet());
recyclerView.SetAdapter(adapter);
//adapter.RegisterAdapterDataObserver(
// Set layout manager
int orientation = this.GetLayoutManagerOrientation(this.Resources.Configuration.Orientation);
this.layoutManager = new LinearLayoutManager(this, orientation, isReverseButton.Checked);
recyclerView.SetLayoutManager(layoutManager);
// Add the sticky headers decoration
StickyRecyclerHeadersDecoration headersDecor = new StickyRecyclerHeadersDecoration(adapter);
recyclerView.AddItemDecoration(headersDecor);
// Add decoration for dividers between list items
recyclerView.AddItemDecoration(new DividerDecoration(this));
this.adapter.RegisterAdapterDataObserver(new HeaderAdapterObserver(headersDecor));
// Add touch listeners
this.stickyTouchListener = new StickyRecyclerHeadersTouchListener(recyclerView, headersDecor);
recyclerView.AddOnItemTouchListener(this.stickyTouchListener);
this.recyclerItemClick = new RecyclerItemClickListener(this);
recyclerView.AddOnItemTouchListener(recyclerItemClick);
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.activity_main);
RecyclerView recyclerView = FindViewById<RecyclerView>(Resource.Id.recyclerview);
this.updateButton = FindViewById<Button>(Resource.Id.button_update);
this.isReverseButton = FindViewById<ToggleButton>(Resource.Id.button_is_reverse);
// Set adapter populated with example dummy data
this.adapter = new AnimalsHeadersAdapter();
adapter.Add("Animals below!");
adapter.AddAll(this.GetDummyDataSet());
recyclerView.SetAdapter(adapter);
//adapter.RegisterAdapterDataObserver(
// Set layout manager
int orientation = this.GetLayoutManagerOrientation(this.Resources.Configuration.Orientation);
this.layoutManager = new LinearLayoutManager(this, orientation, isReverseButton.Checked);
recyclerView.SetLayoutManager(layoutManager);
// Add the sticky headers decoration
StickyRecyclerHeadersDecoration headersDecor = new StickyRecyclerHeadersDecoration(adapter);
recyclerView.AddItemDecoration(headersDecor);
// Add decoration for dividers between list items
recyclerView.AddItemDecoration(new DividerDecoration(this));
this.adapter.RegisterAdapterDataObserver(new HeaderAdapterObserver(headersDecor));
// Add touch listeners
this.stickyTouchListener = new StickyRecyclerHeadersTouchListener(recyclerView, headersDecor);
recyclerView.AddOnItemTouchListener(this.stickyTouchListener);
this.recyclerItemClick = new RecyclerItemClickListener(this);
recyclerView.AddOnItemTouchListener(recyclerItemClick);
}
public HeaderAdapterObserver(StickyRecyclerHeadersDecoration headersDecor)
{
this.headersDecor = headersDecor;
}
public HeaderAdapterObserver(StickyRecyclerHeadersDecoration headersDecor)
{
this.headersDecor = headersDecor;
}