本 Issue 仅限作者维护，其他人不要回复，这里不是提问的板块

- 常见问题文档版

//禁止上拉加载：
refreshLayout.setEnableLoadmore(false); 
//使上拉加载具有弹性效果：
refreshLayout.setEnableAutoLoadmore(false); 
//禁止越界拖动：
refreshLayout.setEnableOverScrollDrag(false);

I've been treating tuShorten/tuWiden as a string-ish conversion between UTF16 and UTF 8, so I recommend this.

Here's the code; add it to the end of every tuShorten/tuWiden function.
if (out < (original_out + out_len)) out = 0;