能实现本地录音，录音文件存储到本地。并播放录音文件的功能-Can achieve local recording, audio files stored locally. Function and play audio files

android 进销存，可以参考学习,有数据库和客户端，服务器端，希望能够帮助到你-Android Invoicing, you can refer to learning, there are s and clients, the server side, hoping to help you