A RecyclerView libirary ,has some support, like headerAdapter/TreeAdapter,and PulltoRefreen/Drag

1:针对RecyclerView数据适配器的封装
2:RecyclerView上拉刷新,下拉加载
3:RecyclerView拖动

• HeaderAdapter:一个支持动态添加/移除头和尾的Adapter,不推荐单独使用.PullToRefreenceRecyclerView内己封装,可如ListView一般操作,且更灵活
  
• ExpandAdapter:Recyclerview实现为如ExpandListView功能的数据适配器.
  
• TreeAdapter:一个无限级的Adapter树
  
• DynamicAdapter:完全动态化的Adapter,支持往任一位置插入自定义条目.
  

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• Linear/Grid拖动
• Dynamic条目拖动(跨度很大的任一条目支持)
• 自定义控制演示 ================

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RecyclerView#setAdapter mAdapter==HeaderViewAdapter:RecyclerView内部维护Adapter,所以实现不影响使用者Adapter的情况下,类ListView般使用,实现like:ListView的HeaderListAdapter

 @Override
 public void setAdapter(Adapter adapter) {
 mAdapter.setAdapter(adapter);
 super.setAdapter(mAdapter);
 adapter.registerAdapterDataObserver(new HeaderAdapterDataObserve(mAdapter));
 }

type_header:为-1往下递减</br>
type_footer:为12以上递加</br>
实现动态无限添加与删除

 private final int TYPE_HEADER = -1;//从-1起始开始减
 private final int TYPE_NORMAL = 0;//默认从0开始
 private final int TYPE_NORMAL_ITEM_COUNT = 12;//随意取的值,确保装饰Adapter对象不会超过此界即可
 private final int TYPE_FOOTER = TYPE_NORMAL_ITEM_COUNT + 1;

================ 还有更难实现的DynamicAdapter等