Flutter-call-video-contact. 这是编程务实的第三个实验， 要完成一个简单的拨号器。在此需求基础上，我使用Flutter添加了一些全新的功能，包括视频通话，观众视角通话，联系人管理等功能， 下面是一个简易的Demo展示:

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.