react-native createBottomTabNavigator的基本用法

import React, { Component } from "react";

import { View, Text, TextInput, StyleSheet, ScrollView } from "react-native";

import { createBottomTabNavigator } from "react-navigation";

import Ionicons from "react-native-vector-icons/Ionicons";

 

import List from "./List";

import Account from "./Account";

import Edit from "./Edit";

 

import color from "../../common/color";

 

const BottomTabNavigator = createBottomTabNavigator(

{

List: {

screen: List,

navigationOptions: {

title: "列表"

}

},

Account: {

screen: Account,

navigationOptions: {

title: "账户"

}

},

Edit: {

screen: Edit,

navigationOptions: {

title: "编辑"

}

}

},

{

defaultNavigationOptions: ({ navigation }) => ({

tabBarIcon: ({ focused, horizontal, tintColor }) => {

console.log(123);

const { routeName } = navigation.state;

let iconName;

if (routeName === "List") {

iconName = `ios-videocam`;

} else if (routeName === "Account") {

iconName = `ios-more`;

} else if (routeName == "Edit") {

iconName = `ios-recording`;

}

return (

name={iconName}

size={horizontal ? 26 : 25}

color={tintColor}

/>

);

}

}),

tabBarOptions: {

activeTintColor: color.primary,

inactiveTintColor: color.gray

},

style: {

fontSize: 23

}

}

);

export default BottomTabNavigator;