在React Native中开发鸿组件(这里指的是鸿蒙(HarmonyOS)组件),你需要了解鸿蒙开发的基础以及如何在React Native项目中集成鸿蒙应用。鸿蒙OS是由华为开发的一个分布式操作系统,主要用于其智能设备,如手机、平板、智能手表等。

  1. 了解鸿蒙开发基础

首先,你需要熟悉鸿蒙OS的开发环境设置和基本开发流程。这包括:

  • 开发工具:使用DevEco Studio作为开发IDE。
  • SDK:下载并安装HarmonyOS SDK。
  • 语言与框架:主要使用Java/Kotlin进行应用开发,但也可以通过C/C++扩展功能。
  1. 在React Native中集成鸿蒙应用

React Native本身主要用于Harmony和Harmony平台的开发,但你可以通过以下几种方式将鸿蒙应用集成到React Native项目中:

A. 使用WebView

一种简单的方法是使用WebView来加载鸿蒙应用的网页版或通过一个WebView桥接本地代码与鸿蒙应用。

  1. 在React Native中添加WebView:

    npm install react-native-webview
    
  2. 使用WebView加载鸿蒙应用的URL:

    import React from 'react';
    import { WebView } from 'react-native-webview';
    
    const HarmonyApp = () => {
      return (
        <WebView
          source={{ uri: 'https://your-harmony-app-url.com' }}
          style={{ flex: 1 }}
        />
      );
    };
    
    export default HarmonyApp;
    

B. 使用Native Modules

创建一个Native Module来桥接React Native和鸿蒙原生应用。

  1. 在DevEco Studio中创建一个鸿蒙应用。

  2. 开发Native Module:创建一个Java/Kotlin模块,在其中实现与鸿蒙应用交互的逻辑。

  3. 在React Native中调用Native Module:使用react-native-bridge或其他桥接库来调用鸿蒙原生模块。

    例如,使用react-native-bridge

    npm install react-native-bridge
    

    然后在JavaScript中调用:

    import { NativeModules } from 'react-native';
    const { HarmonyModule } = NativeModules;
    

C. 使用Deep Linking或Intent传递数据

如果你的鸿蒙应用支持Deep Linking或Intent传递数据,你可以在React Native中处理这些链接或Intent,并据此与鸿蒙应用交互。

  1. 职业发展规划和开发代码详情

对于职业发展规划,你可以考虑以下步骤:

  1. 学习鸿蒙开发:深入学习鸿蒙OS的APIs和开发工具。
  2. 实践项目:在项目中实践鸿蒙应用的开发与集成。
  3. 优化集成方案:不断优化React Native与鸿蒙应用的集成方案,提高用户体验和性能。
  4. 持续学习:关注鸿蒙OS的最新动态和更新,持续学习新技术和新特性。
  5. 分享和交流:参与开源项目,分享你的经验,与其他开发者交流。

通过这些步骤,你可以有效地在React Native项目中开发并集成鸿蒙组件,同时规划你的职业发展路径。


开发一个名为“植物养护智能助手”的React Native应用,涉及到多个技术层面,包括前端UI设计、后端数据处理以及可能的硬件接口(例如传感器数据采集)。下面,我将提供一个基本的开发指南和代码示例,帮助你开始这个项目。

  1. 环境准备

首先,确保你的开发环境已经安装了Node.js和React Native。你可以通过以下步骤安装React Native环境:

安装Node.js (如果尚未安装)
安装React Native CLI
npm install -g react-native-cli

创建一个新的React Native项目
react-native init PlantCareAssistant

进入项目目录
cd PlantCareAssistant
  1. 安装依赖

为了简化开发,可以使用一些现成的库来帮助处理植物养护相关的功能,例如使用react-native-vector-icons来添加图标、react-native-camera来处理图像识别等。

安装图标库
npm install react-native-vector-icons

安装相机库(可选,根据需求)
npm install react-native-camera
  1. 项目结构规划

创建一个基本的项目结构,例如:

PlantCareAssistant/
|-- Harmony/
|-- Harmony/
|-- src/
    |-- components/
    |-- screens/
        |-- HomeScreen.js
        |-- CareTipsScreen.js
    |-- App.js
|-- package.json
  1. 开发界面组件

HomeScreen.js

import React from 'react';
import { View, Text, StyleSheet, Button } from 'react-native';
import Icon from 'react-native-vector-icons/FontAwesome'; // 假设使用FontAwesome图标库

const HomeScreen = ({ navigation }) => {
  return (
    <View style={styles.container}>
      <Text style={styles.title}>植物养护智能助手</Text>
      <Button title="查看养护建议" onPress={() => navigation.navigate('CareTips')} />
      <Icon name="leaf" size={50} color="green" /> {/* 显示一个叶子图标 */}
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
  title: {
    fontSize: 24,
    marginBottom: 20,
  },
});

export default HomeScreen;

CareTipsScreen.js

import React from 'react';
import { View, Text, StyleSheet } from 'react-native';
import Icon from 'react-native-vector-icons/FontAwesome'; // 使用相同图标库

const CareTipsScreen = () => {
  return (
    <View style={styles.container}>
      <Text style={styles.title}>养护建议</Text>
      <Text>请每天给植物浇水。</Text> {/* 示例文本 */}
      <Icon name="info-circle" size={30} color="blue" /> {/* 信息图标 */}
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
  title: {
    fontSize: 24,
    marginBottom: 20,
  },
});
export default CareTipsScreen;
  1. 导航设置(使用React Navigation)
    安装React Navigation:
npm install @react-navigation/native @react-navigation/stack react-native-screens react-native-safe-area-context @react-navigation/native-stack @react-navigation/stack @react-navigation/bottom-tabs @react-navigation/material-top-tabs @react-navigation/material-bottom-tabs @react-navigation/drawer @react-navigation/elements @react-navigation/routers @react-navigation/web react-native-tab-view react-native-pager-view react-native-reanimated react-native-gesture-handler react-native-screens react-native-safe-area-context react-native-svg expo @expo/vector-icons expo-linear-gradient expo-constants expo-linking --save` 确保所有依赖都正确安装。`npm install``npx pod-install

真实演示案例代码:

// app.tsx
import React, { useState } from 'react';
import { SafeAreaView, View, Text, StyleSheet, TouchableOpacity, ScrollView, Dimensions, Alert, FlatList } from 'react-native';

// 图标库
const ICONS = {
  mail: '✉️',
  inbox: '📥',
  sent: '📤',
  draft: '📝',
  trash: '🗑️',
  star: '⭐',
  account: '👤',
  stats: '📊',
};

const { width } = Dimensions.get('window');

// 邮箱账户类型
type EmailAccount = {
  id: string;
  name: string;
  email: string;
  totalMails: number;
  unreadMails: number;
  color: string;
  isActive: boolean;
};

// 邮件类型
type Email = {
  id: string;
  accountId: string;
  subject: string;
  sender: string;
  content: string;
  timestamp: string;
  isRead: boolean;
  isStarred: boolean;
  hasAttachment: boolean;
};

// 邮件统计类型
type MailStats = {
  type: string;
  count: number;
  percentage: number;
  color: string;
};

// 邮件项组件
const EmailItem = ({ 
  email, 
  account,
  onToggleRead,
  onToggleStar
}: { 
  email: Email; 
  account: EmailAccount;
  onToggleRead: (id: string) => void;
  onToggleStar: (id: string) => void;
}) => {
  return (
    <View style={styles.emailItem}>
      <View style={styles.emailHeader}>
        <View style={[styles.accountBadge, { backgroundColor: `${account.color}20` }]}>
          <Text style={[styles.accountBadgeText, { color: account.color }]}>{account.email.charAt(0)}</Text>
        </View>
        <View style={styles.emailInfo}>
          <Text style={[styles.sender, !email.isRead && styles.unreadText]}>{email.sender}</Text>
          <Text style={[styles.subject, !email.isRead && styles.unreadText]} numberOfLines={1}>{email.subject}</Text>
        </View>
        <View style={styles.emailActions}>
          <TouchableOpacity onPress={() => onToggleStar(email.id)}>
            <Text style={styles.starIcon}>{email.isStarred ? ICONS.star : '☆'}</Text>
          </TouchableOpacity>
          <Text style={styles.time}>{email.timestamp}</Text>
        </View>
      </View>
      <Text style={[styles.preview, !email.isRead && styles.unreadText]} numberOfLines={2}>{email.content}</Text>
      <View style={styles.emailFooter}>
        <Text style={styles.accountName}>{account.name}</Text>
        {email.hasAttachment && <Text style={styles.attachment}>📎</Text>}
      </View>
    </View>
  );
};

// 账户卡片组件
const AccountCard = ({ 
  account, 
  onPress 
}: { 
  account: EmailAccount; 
  onPress: () => void 
}) => {
  return (
    <TouchableOpacity style={styles.accountCard} onPress={onPress}>
      <View style={[styles.accountIcon, { backgroundColor: account.color }]}>
        <Text style={styles.accountIconText}>{ICONS.account}</Text>
      </View>
      <View style={styles.accountDetails}>
        <Text style={styles.accountName}>{account.name}</Text>
        <Text style={styles.accountEmail}>{account.email}</Text>
      </View>
      <View style={styles.accountStats}>
        <Text style={styles.totalMails}>{account.totalMails}</Text>
        <Text style={styles.unreadMails}>{account.unreadMails} 未读</Text>
      </View>
    </TouchableOpacity>
  );
};

// 统计卡片组件
const StatsCard = ({ 
  title, 
  value, 
  icon,
  color 
}: { 
  title: string; 
  value: string | number; 
  icon: string; 
  color: string 
}) => {
  return (
    <View style={styles.statCard}>
      <View style={[styles.statIcon, { backgroundColor: `${color}20` }]}>
        <Text style={[styles.statIconText, { color }]}>{icon}</Text>
      </View>
      <View style={styles.statInfo}>
        <Text style={styles.statValue}>{value}</Text>
        <Text style={styles.statTitle}>{title}</Text>
      </View>
    </View>
  );
};

// 邮件类型统计组件
const MailTypeStats = ({ stats }: { stats: MailStats[] }) => {
  return (
    <View style={styles.mailTypeStatsContainer}>
      <Text style={styles.mailTypeStatsTitle}>邮件类型分布</Text>
      {stats.map((stat, index) => (
        <View key={index} style={styles.mailTypeStatItem}>
          <Text style={styles.mailTypeLabel}>{stat.type}</Text>
          <View style={styles.mailTypeProgressBar}>
            <View 
              style={[
                styles.mailTypeProgressFill, 
                { 
                  width: `${stat.percentage}%`, 
                  backgroundColor: stat.color 
                }
              ]} 
            />
          </View>
          <Text style={styles.mailTypeCount}>{stat.count}</Text>
        </View>
      ))}
    </View>
  );
};

// 主页面组件
const MultiEmailManagerApp: React.FC = () => {
  const [accounts, setAccounts] = useState<EmailAccount[]>([
    {
      id: '1',
      name: '个人邮箱',
      email: 'personal@example.com',
      totalMails: 124,
      unreadMails: 8,
      color: '#3b82f6',
      isActive: true
    },
    {
      id: '2',
      name: '工作邮箱',
      email: 'work@company.com',
      totalMails: 287,
      unreadMails: 15,
      color: '#10b981',
      isActive: true
    },
    {
      id: '3',
      name: '学校邮箱',
      email: 'student@university.edu',
      totalMails: 56,
      unreadMails: 3,
      color: '#f59e0b',
      isActive: false
    },
    {
      id: '4',
      name: '项目邮箱',
      email: 'project@team.com',
      totalMails: 89,
      unreadMails: 0,
      color: '#8b5cf6',
      isActive: true
    }
  ]);

  const [emails, setEmails] = useState<Email[]>([
    {
      id: '1',
      accountId: '1',
      subject: '周末聚会邀请',
      sender: '朋友小李',
      content: '你好,这周末我们几个老同学想聚聚,你有时间参加吗?地点在市中心的咖啡厅...',
      timestamp: '10:30',
      isRead: false,
      isStarred: true,
      hasAttachment: false
    },
    {
      id: '2',
      accountId: '2',
      subject: '项目进度报告',
      sender: '经理王总',
      content: '请查看本季度的项目进度报告,需要你在周五之前反馈意见。报告附件中包含了详细数据...',
      timestamp: '09:45',
      isRead: true,
      isStarred: false,
      hasAttachment: true
    },
    {
      id: '3',
      accountId: '1',
      subject: '生日祝福',
      sender: '家人',
      content: '祝你生日快乐!希望你度过美好的一天,晚上一起吃饭庆祝吧...',
      timestamp: '08:15',
      isRead: true,
      isStarred: false,
      hasAttachment: false
    },
    {
      id: '4',
      accountId: '3',
      subject: '课程安排通知',
      sender: '教务处',
      content: '下学期的课程表已经发布,请登录学生系统查看并确认选课情况...',
      timestamp: '昨天',
      isRead: false,
      isStarred: false,
      hasAttachment: false
    },
    {
      id: '5',
      accountId: '2',
      subject: '会议邀请',
      sender: '同事小张',
      content: '关于新产品发布的会议定于明天下午2点举行,请准时参加。会议室A...',
      timestamp: '昨天',
      isRead: true,
      isStarred: true,
      hasAttachment: false
    }
  ]);

  const [stats] = useState([
    { title: '总邮件数', value: 556, icon: ICONS.mail, color: '#3b82f6' },
    { title: '未读邮件', value: 26, icon: ICONS.inbox, color: '#f59e0b' },
    { title: '已读邮件', value: 530, icon: ICONS.sent, color: '#10b981' },
    { title: '星标邮件', value: 12, icon: ICONS.star, color: '#fbbf24' },
  ]);

  const [mailTypeStats] = useState<MailStats[]>([
    { type: '收件箱', count: 342, percentage: 61.5, color: '#3b82f6' },
    { type: '已发送', count: 156, percentage: 28.0, color: '#10b981' },
    { type: '草稿', count: 32, percentage: 5.8, color: '#f59e0b' },
    { type: '垃圾邮件', count: 26, percentage: 4.7, color: '#ef4444' },
  ]);

  const toggleEmailRead = (id: string) => {
    setEmails(prev => 
      prev.map(email => 
        email.id === id ? { ...email, isRead: !email.isRead } : email
      )
    );
  };

  const toggleEmailStar = (id: string) => {
    setEmails(prev => 
      prev.map(email => 
        email.id === id ? { ...email, isStarred: !email.isStarred } : email
      )
    );
  };

  const selectAccount = (accountId: string) => {
    Alert.alert('切换账户', `切换到 ${accounts.find(acc => acc.id === accountId)?.email} 邮箱`);
  };

  const refreshMails = () => {
    Alert.alert('刷新', '正在同步所有邮箱账户的邮件...');
  };

  return (
    <SafeAreaView style={styles.container}>
      {/* 头部 */}
      <View style={styles.header}>
        <Text style={styles.title}>多邮箱管理</Text>
        <TouchableOpacity style={styles.refreshButton} onPress={refreshMails}>
          <Text style={styles.refreshText}>{ICONS.stats} 同步</Text>
        </TouchableOpacity>
      </View>

      {/* 统计卡片 */}
      <ScrollView style={styles.content}>
        <View style={styles.statsContainer}>
          {stats.map((stat, index) => (
            <StatsCard
              key={index}
              title={stat.title}
              value={stat.value}
              icon={stat.icon}
              color={stat.color}
            />
          ))}
        </View>

        {/* 邮箱账户列表 */}
        <Text style={styles.sectionTitle}>邮箱账户</Text>
        <View style={styles.accountsContainer}>
          {accounts.map(account => (
            <AccountCard
              key={account.id}
              account={account}
              onPress={() => selectAccount(account.id)}
            />
          ))}
        </View>

        {/* 邮件类型统计 */}
        <MailTypeStats stats={mailTypeStats} />

        {/* 最新邮件列表标题 */}
        <View style={styles.sectionHeader}>
          <Text style={styles.sectionTitle}>最新邮件</Text>
          <Text style={styles.emailCount}>({emails.length} 封邮件)</Text>
        </View>

        {/* 邮件列表 */}
        <FlatList
          data={emails}
          keyExtractor={item => item.id}
          renderItem={({ item }) => (
            <EmailItem
              email={item}
              account={accounts.find(acc => acc.id === item.accountId)!}
              onToggleRead={toggleEmailRead}
              onToggleStar={toggleEmailStar}
            />
          )}
          showsVerticalScrollIndicator={false}
        />

        {/* 操作说明 */}
        <View style={styles.instructionCard}>
          <Text style={styles.instructionTitle}>使用说明</Text>
          <Text style={styles.instructionText}>• 点击账户可切换当前操作的邮箱</Text>
          <Text style={styles.instructionText}>• 点击星标可标记重要邮件</Text>
          <Text style={styles.instructionText}>• 左滑邮件可执行删除等操作</Text>
          <Text style={styles.instructionText}>• 右上角同步按钮可刷新所有邮件</Text>
        </View>
      </ScrollView>

      {/* 底部导航 */}
      <View style={styles.bottomNav}>
        <TouchableOpacity style={styles.navItem}>
          <Text style={styles.navIcon}>{ICONS.inbox}</Text>
          <Text style={styles.navText}>收件箱</Text>
        </TouchableOpacity>
        <TouchableOpacity style={styles.navItem}>
          <Text style={styles.navIcon}>{ICONS.sent}</Text>
          <Text style={styles.navText}>已发送</Text>
        </TouchableOpacity>
        <TouchableOpacity style={[styles.navItem, styles.activeNavItem]}>
          <Text style={styles.navIcon}>{ICONS.stats}</Text>
          <Text style={styles.navText}>统计</Text>
        </TouchableOpacity>
        <TouchableOpacity style={styles.navItem}>
          <Text style={styles.navIcon}>{ICONS.account}</Text>
          <Text style={styles.navText}>账户</Text>
        </TouchableOpacity>
      </View>
    </SafeAreaView>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#f8fafc',
  },
  header: {
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'space-between',
    padding: 20,
    backgroundColor: '#ffffff',
    borderBottomWidth: 1,
    borderBottomColor: '#e2e8f0',
  },
  title: {
    fontSize: 20,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  refreshButton: {
    backgroundColor: '#3b82f6',
    paddingHorizontal: 16,
    paddingVertical: 8,
    borderRadius: 20,
  },
  refreshText: {
    color: '#ffffff',
    fontSize: 14,
    fontWeight: '500',
  },
  content: {
    flex: 1,
    padding: 16,
  },
  statsContainer: {
    flexDirection: 'row',
    flexWrap: 'wrap',
    justifyContent: 'space-between',
    marginBottom: 16,
  },
  statCard: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 16,
    width: (width - 48) / 2,
    marginBottom: 12,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
    flexDirection: 'row',
    alignItems: 'center',
  },
  statIcon: {
    width: 36,
    height: 36,
    borderRadius: 18,
    alignItems: 'center',
    justifyContent: 'center',
    marginRight: 12,
  },
  statIconText: {
    fontSize: 18,
  },
  statInfo: {
    flex: 1,
  },
  statValue: {
    fontSize: 20,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  statTitle: {
    fontSize: 12,
    color: '#64748b',
    marginTop: 4,
  },
  sectionTitle: {
    fontSize: 18,
    fontWeight: 'bold',
    color: '#1e293b',
    marginVertical: 12,
  },
  accountsContainer: {
    marginBottom: 16,
  },
  accountCard: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 16,
    marginBottom: 12,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
    flexDirection: 'row',
    alignItems: 'center',
  },
  accountIcon: {
    width: 40,
    height: 40,
    borderRadius: 20,
    alignItems: 'center',
    justifyContent: 'center',
    marginRight: 12,
  },
  accountIconText: {
    fontSize: 18,
    color: '#ffffff',
  },
  accountDetails: {
    flex: 1,
  },
  accountName: {
    fontSize: 14,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  accountEmail: {
    fontSize: 12,
    color: '#64748b',
    marginTop: 2,
  },
  accountStats: {
    alignItems: 'flex-end',
  },
  totalMails: {
    fontSize: 16,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  unreadMails: {
    fontSize: 12,
    color: '#f59e0b',
    marginTop: 4,
  },
  mailTypeStatsContainer: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 16,
    marginBottom: 16,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
  },
  mailTypeStatsTitle: {
    fontSize: 16,
    fontWeight: 'bold',
    color: '#1e293b',
    marginBottom: 12,
  },
  mailTypeStatItem: {
    flexDirection: 'row',
    alignItems: 'center',
    marginBottom: 10,
  },
  mailTypeLabel: {
    width: 60,
    fontSize: 12,
    color: '#64748b',
  },
  mailTypeProgressBar: {
    flex: 1,
    height: 6,
    backgroundColor: '#e2e8f0',
    borderRadius: 3,
    marginRight: 8,
    overflow: 'hidden',
  },
  mailTypeProgressFill: {
    height: '100%',
    borderRadius: 3,
  },
  mailTypeCount: {
    fontSize: 12,
    color: '#64748b',
    width: 30,
  },
  sectionHeader: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: 12,
  },
  emailCount: {
    fontSize: 14,
    color: '#64748b',
  },
  emailItem: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 16,
    marginBottom: 12,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
  },
  emailHeader: {
    flexDirection: 'row',
    alignItems: 'flex-start',
    marginBottom: 8,
  },
  accountBadge: {
    width: 24,
    height: 24,
    borderRadius: 12,
    alignItems: 'center',
    justifyContent: 'center',
    marginRight: 12,
    marginTop: 2,
  },
  accountBadgeText: {
    fontSize: 12,
    fontWeight: 'bold',
  },
  emailInfo: {
    flex: 1,
  },
  sender: {
    fontSize: 14,
    fontWeight: 'bold',
    color: '#1e293b',
  },
  subject: {
    fontSize: 14,
    color: '#334155',
    marginTop: 2,
  },
  emailActions: {
    alignItems: 'flex-end',
  },
  starIcon: {
    fontSize: 18,
    color: '#fbbf24',
    marginBottom: 4,
  },
  time: {
    fontSize: 12,
    color: '#94a3b8',
  },
  preview: {
    fontSize: 13,
    color: '#64748b',
    lineHeight: 18,
    marginBottom: 8,
  },
  emailFooter: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
  },
  accountName: {
    fontSize: 12,
    color: '#94a3b8',
  },
  attachment: {
    fontSize: 14,
  },
  unreadText: {
    fontWeight: 'bold',
    color: '#1e293b',
  },
  instructionCard: {
    backgroundColor: '#ffffff',
    borderRadius: 12,
    padding: 16,
    marginTop: 16,
    elevation: 1,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
  },
  instructionTitle: {
    fontSize: 16,
    fontWeight: 'bold',
    color: '#1e293b',
    marginBottom: 8,
  },
  instructionText: {
    fontSize: 12,
    color: '#64748b',
    lineHeight: 18,
    marginBottom: 4,
  },
  bottomNav: {
    flexDirection: 'row',
    justifyContent: 'space-around',
    backgroundColor: '#ffffff',
    borderTopWidth: 1,
    borderTopColor: '#e2e8f0',
    paddingVertical: 12,
  },
  navItem: {
    alignItems: 'center',
    flex: 1,
  },
  activeNavItem: {
    paddingBottom: 2,
    borderBottomWidth: 2,
    borderBottomColor: '#3b82f6',
  },
  navIcon: {
    fontSize: 20,
    color: '#94a3b8',
    marginBottom: 4,
  },
  activeNavIcon: {
    color: '#3b82f6',
  },
  navText: {
    fontSize: 12,
    color: '#94a3b8',
  },
  activeNavText: {
    color: '#3b82f6',
    fontWeight: '500',
  },
});

export default MultiEmailManagerApp;

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打包

接下来通过打包命令npn run harmony将reactNative的代码打包成为bundle,这样可以进行在开源鸿蒙OpenHarmony中进行使用。

在这里插入图片描述

打包之后再将打包后的鸿蒙OpenHarmony文件拷贝到鸿蒙的DevEco-Studio工程目录去:

最后运行效果图如下显示:
请添加图片描述

欢迎大家加入开源鸿蒙跨平台开发者社区,一起共建开源鸿蒙跨平台生态。

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