flutter_bottomnavigationbar

简介

使用bottomnavigationbar底部导航的demo，新增保持状态的demo，请查阅注释。

样例

Getting Started

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这是一个最简单的flutter底部导航demo Youtube教程:https://www.youtube.com/watch?v=iYDaC2ESCkg&t=976s bilibili教程:https://www.bilibili.com/video/av28014369 掘金：https://juejin.im/post/5b5d8d1c6fb9a04fd6596188