java 从recyclerview中删除项目

Posted 2021-05-08

holder.buttonViewOption.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                //creating a popup menu
                PopupMenu popup = new PopupMenu(context, holder.buttonViewOption);
                //inflating menu from xml resource
                popup.inflate(R.menu.watch_later_options_menu);
                //adding click listener
                popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                    @Override
                    public boolean onMenuItemClick(MenuItem item) {
                        switch (item.getItemId()) {
                            case R.id.removeMenu:
                                watchLaterDataSource.deleteWatchLater(c.getUrl());
                                removeAt(position);

                                break;
                        }
                        return false;
                    }
                });
                //displaying the popup
                popup.show();

            }
        });
        
public void removeAt(int position) {
  videoList.remove(position);
  notifyItemRemoved(position);
  notifyItemRangeChanged(position, videoList.size());
}