Flutter WhatsApp分享插件share_whatsapp_plus的使用

Share Whatsapp 插件

一个用于将内容从您的Flutter应用分享到WhatsApp分享对话框的插件。

安装

在您的Flutter项目中添加插件：

flutter pub add share_whatsapp_plus

iOS特定安装

在Runner文件夹内的Info.plist文件中添加以下内容：

<key>LSApplicationQueriesSchemes</key>
<array>
    <string>whatsapp</string>
</array>

这将确保iOS应用可以使用URL方案whatsapp://。

兼容性

⚠️ 注意:

• 对于Web、MacOS、Windows和Linux是必需的。
• 对于Android是可选的。

示例代码

example/lib/main.dart

import 'dart:async';
import 'package:flimer/flimer.dart'; // 引入选择图片的库
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:share_whatsapp_plus/share_whatsapp_plus.dart';

const _kTextMessage = '分享来自share_whatsapp_plus的文本内容 '
    'https://pub.dev/packages/share_whatsapp_plus';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  [@override](/user/override)
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final _mapInstalled = WhatsApp.values.asMap().map<WhatsApp, String?>(
    (key, value) {
      return MapEntry(value, null);
    },
  );

  [@override](/user/override)
  void initState() {
    super.initState();
    _checkInstalledWhatsApp();
  }

  Future<void> _checkInstalledWhatsApp() async {
    String whatsAppInstalled = await _check(WhatsApp.standard),
        whatsAppBusinessInstalled = await _check(WhatsApp.business);

    if (!mounted) return;

    setState(() {
      _mapInstalled[WhatsApp.standard] = whatsAppInstalled;
      _mapInstalled[WhatsApp.business] = whatsAppBusinessInstalled;
    });
  }

  Future<String> _check(WhatsApp type) async {
    try {
      return await shareWhatsappPlus.installed(type: type)
          ? 'INSTALLED'
          : 'NOT INSTALLED';
    } on PlatformException catch (e) {
      return e.message ?? '错误';
    }
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('分享WhatsApp示例'),
        ),
        body: ListView(
          children: ListTile.divideTiles(
            context: context,
            tiles: [
              const ListTile(title: Text('安装状态')),
              ...WhatsApp.values.map((type) {
                final status = _mapInstalled[type];

                return ListTile(
                  title: Text(type.toString()),
                  trailing: status != null
                      ? Text(status)
                      : const CircularProgressIndicator.adaptive(),
                );
              }),
              const ListTile(title: Text('分享内容')),
              ListTile(
                title: const Text('分享文本'),
                trailing: const Icon(Icons.share),
                onTap: () => shareWhatsappPlus.shareText(_kTextMessage),
              ),
              ListTile(
                title: const Text('分享图片'),
                trailing: const Icon(Icons.share),
                onTap: () async {
                  final file = await flimer.pickImage();
                  if (file != null) {
                    shareWhatsappPlus.shareFile(file);
                  }
                },
              ),
              ListTile(
                title: const Text('分享文本和图片'),
                trailing: const Icon(Icons.share),
                onTap: () async {
                  final file = await flimer.pickImage();
                  if (file != null) {
                    shareWhatsappPlus.share(text: _kTextMessage, file: file);
                  }
                },
              ),
              ListTile(
                title: const Text('向特定电话号码分享文本'),
                trailing: const Icon(Icons.share),
                onTap: () => shareWhatsappPlus.share(
                  text: _kTextMessage,
                  // 更改为您实际的WhatsApp号码
                  phone: '+0 000-0000-00000',
                ),
              ),
            ],
          ).toList(),
        ),
      ),
    );
  }
}