listview删除item

img_delete  ：  ImageButton

	viewholder.img_delete.setOnClickListener(new OnClickListener() {
				
				@Override
				public void onClick(View arg0) {
					// TODO Auto-generated method stub
					
					blackdao.delete(list.get(position).getNumber());
					list.remove(position);
					blackAdapter.notifyDataSetChanged();
				}
			});

 lv_back  : ListView

	lv_black.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, int position,
					long arg3) {
				// TODO Auto-generated method stub
				blackdao.delete(list.get(position).getNumber());
				list.remove(position);
				blackAdapter.notifyDataSetChanged();
			}
		});