compile 'com.ashokvarma.android:bottom-navigation-bar:0.9.5' 添加依赖
https://github.com/Ashok-Varma/BottomNavigation 下载地址
原文http://www.jb51.net/article/81403.htm
1、在Gradle中添加
2、布局实现
3类中Activity中添加BottomNavigationItem
4设置事件监听器TabChangeListener