(Recently, I learned about cross platform audio and video communication development under the Android platform. Although there are many open source projects on the Internet for your reference, the audio and video effects are very general, and there are many unstable elements. After all, they are open source. I found a better audio and video communication solution in China. The case provides a pure Java language interface for everyone to call. Then I wrote an android audio communication software referring to the official android demo program and development documents and combining my own insights, and it was solved within 200 lines of code (hard to believe it). In fact, I can only call its related API. The following Java code is written by myself for everyone to learn from each other:)