createMaterialBottomTabNavigatorの使い方

公式ページを読んでもさっぱりわからなかったのでメモ

createMaterialBottomTabNavigator · React Navigation

↓のようなマテリアルなボトム・バー

以下に使い方サンプルあり
Snack

使い方
createMaterialBottomTabNavigatorを作って、
App.jsで使うだけ。

なんてステキ仕様

createBottomTabNavigator · React Navigation の方はRedux-Offlineでバグがありましたが、createMaterialBottomTabNavigatorはちゃんと動きました。

App.js

App.js

import React, { Component } from 'react';
import MyTabs from 'Navigation';

export default class App extends Component {
  render() {
    return (
      <MyTabs />
    );
  }
}

Navigation.js

Navigation.js

import React, { Component } from 'react';
import { Platform } from 'react-native';
import { createMaterialBottomTabNavigator } from 'react-navigation-material-bottom-tabs';
import Icon from 'react-native-vector-icons/Ionicons';

import HomeScreen from 'HomeScreen';
import ProfileScreen from 'ProfileScreen';
import SettingsScreen from 'SettingsScreen';

export default createMaterialBottomTabNavigator(
  {
    Home: {
      screen: HomeScreen,
      navigationOptions: {
        tabBarLabel: 'Home',
        tabBarColor: '#842655',
        tabBarIcon: ({ tintColor, focused }) => (
          <Icon size={25} name={ Platform.OS === 'ios' ? (focused ? 'ios-home' : 'ios-home-outline') : 'md-home' } style={{ color: tintColor }} />
        )
      }
    },
    Profile: {
      screen: ProfileScreen,
      navigationOptions: {
        tabBarLabel: 'Profile',
        tabBarColor: '#1e1e1d',
        tabBarIcon: ({ tintColor, focused }) => (
          <Icon size={25} name={ Platform.OS === 'ios' ? (focused ? 'ios-contact' : 'ios-contact-outline') : 'md-contact' } style={{ color: tintColor }} />
        )
      }
    },
    Settings: {
      screen: SettingsScreen,
      navigationOptions: {
        tabBarLabel: 'Settings',
        tabBarColor: '#ff3838',
        tabBarIcon: ({ tintColor, focused }) => (
          <Icon size={25} name={ Platform.OS === 'ios' ? (focused ? 'ios-settings' : 'ios-settings-outline') : 'md-settings' } style={{ color: tintColor }} />
        )
      }
    }
  },
  {
    shifting: true,
    activeTintColor: 'white',
    inactiveTintColor: '#ddd',
  }
);