在 shadowsocks-libev 中引入了Key认证方式，能否在shadowsocks-android加入这个认证方式，谢谢！

I am profiling memory on my app usage and was looking at the built-in tremMemory(int level) methods in LruResourceCache and LruBitmapPool to see what their behavior is when I invoke them from my application's onTrimMemory method. The trim memory levels are documented here.

Here is Glide's implementation

This "issue" serves as a guest book. You're welcome to write nice things about LeakCanary, share how it's helped you solve a problem, or name drop companies using it.

Idea came from this tweet.

I'll keep this issue open, don't hesitate to drop a comment even if it's 5000 years from when I'm writing this.

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);

The documentation of all components lists the props as well as their usage. It would be great if we arrange the props list alphabetically to make it easier to find the required props.

Just like the expo docs and others.

Proposed Fix
The docs are written using markdown and can be found [here](https://github.com/react-

Environment
Provide version numbers for the following components (information can be retrieved by running tns info in your project folder or by inspecting the package.json of the project):

• CLI: 6.2.2
• Cross-platform modules: 6.0.1
• Android Runtime: 6.2.0
• iOS Runtime: 6.2.0
• Plugin(s): unrelated

Describe the bug
openFile method of utils module does not preview the