Piasy
PR is welcome :)
I don't think so, but pr is welcome!
FileRecorder 应该可以。
> 怎么写 直接改后缀么 可能是，你可试试。
What do you mean? If you didn't start a player, it will return null.
Maybe an error happened, please debug it.
I think there is no way to get amplitude when using `AudioRecord`, it's an API of `MediaRecorder`.
Well, that's cool, but I'm too busy these days, so your pr is welcome!
这就得看 framework 的代码了呀，不过我的 Nexus 原生系统貌似没发现问题？