1, Stacknavigator please refer to the detailed routines: https://blog.csdn.net/qq_33323251/article/details/79403614
2, StackNavigator property please refer to: https://www.jianshu.com/p/2dbcdcf1da58 and
https://www.jianshu.com/p/92e01be3416f
3, ReactNative beautiful icon library using the react-native-vector-icons refer to: https://blog.csdn.net/j550341130/article/details/81205701
And https://oblador.github.io/react-native-vector-icons/
4, using the react-native entry of the tab bar (TabNavigator), please refer to: https://www.jianshu.com/p/db90b4997278
5, Stacknavigator routine return
