在使用createMaterialTopTabNavigator()与React导航v5进行本机反应时,我看到了以下错误:
Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your component from the file it's defined in, or
我用react制作了两个不同的窗口,并提供了相同的商店。但是,如果我在一个窗口中存储数据,则第二个窗口不会更改。并且idk知道如何同步。(所有的还原器和作为默认反应项目所做的动作)
First provide(index.js):
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';
import {Provider} from 'react-redux';
import store from "../re
我希望从其他脚本中获得变量,以便根据这些数据构建页面的下一部分。
这是从API获取数据的代码:
import Axios from "axios";
import React from "react";
export default class PersonList extends React.Component {
state = {
dataURL: [], //from this variable I want get data
};
componentDidMount() {
Axios.get(
我正试图在我的应用程序中使用,它是由react本地版制作的。它成功启动,但在模拟器的屏幕上显示了以下消息:
这是我的代码:
import { createNativeStackNavigator } from '@react-navigation/native-stack'
import { createMaterialTopTabNavigator } from '@react-navigation/material-top-tabs'
import type { FC } from 'react'
import { HomeScreen
在RTCRootView的文档中,我看到它是iOS的UIView的子类。文档说明说明RTCRootView是一个"Native view used to host React-managed views within the app. Can be used just like any ordinary UIView. You can have multiple RCTRootViews on screen at once, all controlled by the same JavaScript application."
如果我有两个React Native组件,或者在一
我正致力于构建一个带有许多选项卡的Reactive原住民应用程序。每个选项卡呈现来自API调用的数据:
'use strict';
var React = require('react-native');
var {
StyleSheet,
TabBarIOS,
Text,
View,
NavigatorIOS,
} = React;
// Load up tab pages
var Home = require('./Home');
var Appointments = require('./Appointmen