public override void OnClick(View widget)
{
ToastUtils.ShowShortToast("事件触发了 landscapes and nedes");
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_item_touch_use);
SetBackBtn();
SetTitle("ItemDrag And Swipe");
_recyclerView = FindViewById <RecyclerView>(Resource.Id.rv_list);
_recyclerView.SetLayoutManager(new LinearLayoutManager(this));
_data = GenerateData(50);
var paint = new Paint();
paint.AntiAlias = true;
paint.TextSize = 20;
paint.Color = Color.Black;
_adapter = new ItemDragAdapter(_data);
_adapter.ItemDragStart += (s, e) =>
{
Log.Debug(Tag, "drag start");
var holder = e.ViewHolder as BaseViewHolder;
// holder.SetTextColor(Resource.Id.tv, Color.White);
};
_adapter.ItemDragMoving += (s, e) =>
{
Log.Debug(Tag, $"move from: {e.Source.AdapterPosition} to: {e.Target.AdapterPosition}");
};
_adapter.ItemDragEnd += (s, e) =>
{
Log.Debug(Tag, "drag end");
var holder = e.ViewHolder as BaseViewHolder;
// holder.SetTextColor(Resource.Id.tv, Color.Black);
};
_adapter.ItemSwipeStart += (s, e) =>
{
Log.Debug(Tag, "view swiped start: " + e.Pos);
var holder = e.ViewHolder as BaseViewHolder;
// holder.SetTextColor(Resource.Id.tv, Color.White);
};
_adapter.ClearView += (s, e) =>
{
Log.Debug(Tag, "View reset: " + e.Pos);
var holder = e.ViewHolder as BaseViewHolder;
// holder.SetTextColor(Resource.Id.tv, Color.Black);
};
_adapter.ItemSwiped += (s, e) =>
{
Log.Debug(Tag, "View Swiped: " + e.Pos);
};
_adapter.ItemSwipeMoving += (s, e) =>
{
e.Canvas.DrawColor(new Color(ContextCompat.GetColor(this, Resource.Color.color_light_blue)));
// e.Canvas.DrawText("Just some text", 0, 40, paint);
};
_itemDragAndSwipeCallback = new ItemDragAndSwipeCallback(_adapter);
_itemTouchHelper = new ItemTouchHelper(_itemDragAndSwipeCallback);
_itemTouchHelper.AttachToRecyclerView(_recyclerView);
//_itemDragAndSwipeCallback.SetDragMoveFlags(ItemTouchHelper.Left | ItemTouchHelper.Right | ItemTouchHelper.Up | ItemTouchHelper.Down);
_itemDragAndSwipeCallback.SetSwipeMoveFlags(ItemTouchHelper.Start | ItemTouchHelper.End);
_adapter.EnableSwipeItem();
_adapter.EnableDragItem(_itemTouchHelper);
_recyclerView.SetAdapter(_adapter);
_adapter.ItemClick += (s, e) =>
{
ToastUtils.ShowShortToast("点击了" + e.Position);
};
}