React native 反应本机向量图标,TabBarItem元素类型无效

React native 反应本机向量图标,TabBarItem元素类型无效,react-native,expo,React Native,Expo,我想更改TabBarIOS的一个图标,并编写了以下代码,但元素类型错误无效 import React from 'react'; import { View, TabBarIOS } from 'react-native'; import Icon from 'react-native-vector-icons/Ionicons'; import CommunicationTab from './components/communication_tab'; import WhereaboutsT

我想更改TabBarIOS的一个图标,并编写了以下代码,但元素类型错误无效

import React from 'react';
import { View, TabBarIOS } from 'react-native';
import Icon from 'react-native-vector-icons/Ionicons';
import CommunicationTab from './components/communication_tab';
import WhereaboutsTab from './components/whereabouts_tab';

export default class App extends React.Component {

  constructor() {
    super();
    this.state = {
      selectedTab: 'WhereaboutsTab',
    };
  }

  render() {
    return (
      <TabBarIOS selectedTab={this.state.selectedTab}>
        <Icon.TabBarItem
          title="whereabouts"
          iconName='ios-home-outline'
          selectedIconName='ios-home'
          selected={this.state.selectedTab === 'WhereaboutsTab'}
          onPress={() => {
            this.setState({
              selectedTab: 'WhereaboutsTab'
            });
          }}
        >
          <WhereaboutsTab />
        </Icon.TabBarItem>
        <Icon.TabBarItem
          title="communication"
          iconName='ios-settings-outline'
          selectedIconName='ios-settings'
          selected={this.state.selectedTab === 'CommunicationTab'}
          onPress={() => {
            this.setState({
              selectedTab: 'CommunicationTab'
            });
          }}
        >
          <CommunicationTab />
        </Icon.TabBarItem>
      </TabBarIOS>
    );
  }
}

我想你有个打字错误


尝试将
图标.TabBarItem
替换为
图标.TabBarItemIOS

谢谢。但结果是一样的。您是否尝试删除了
,以查看它们是否是错误的原因?即使我使用了“Text”而不是“whereboutstab”,结果也是一样的。您是否设法解决了这一问题?我也有同样的问题。
<Icon name="ios-home" />
"dependencies": {
    "expo": "^16.0.0",
    "moment": "^2.18.1",
    "react": "16.0.0-alpha.6",
    "react-native": "^0.43.4",
    "react-native-action-button": "^2.6.9",
    "react-native-md-textinput": "^2.0.4",
    "react-native-modal-datetime-picker": "^4.6.0",
    "react-native-swipeout": "^2.1.1",
    "react-native-vector-icons": "^4.1.1"
}