receive_whatsapp_chat 0.1.8

receive_whatsapp_chat: ^0.1.8 copied to clipboard

example/lib/main.dart

import 'dart:math';
import 'dart:ui' as ui;

import 'package:external_app_launcher/external_app_launcher.dart';
import 'package:flutter/material.dart';
import 'package:receive_whatsapp_chat/receive_whatsapp_chat.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Receive WhatsApp Chat Plugin Demo',
      theme: ThemeData(),
      home: const DemoApp(),
    );
  }
}

class DemoApp extends StatefulWidget {
  const DemoApp({super.key});

  @override
  DemoAppState createState() => DemoAppState();
}

class DemoAppState extends ReceiveWhatsappChat<DemoApp> {
  List<ChatContent> chats = [];

  @override
  void dispose() {
    disableShareReceiving();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('WhatsApp Chat Export Plugin Demo'),
        backgroundColor: Colors.blue,
      ),
      body: Padding(
        padding: const EdgeInsets.all(24.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: <Widget>[
            const Text(
              'Chats exported:',
              style: TextStyle(fontWeight: FontWeight.bold, fontSize: 25),
            ),
            const SizedBox(height: 20),
            chats.isEmpty
                ? const Text('Open WhatsApp to export chats')
                : const SizedBox(),
            Expanded(
              child: SingleChildScrollView(
                child: Column(
                  children: List.generate(
                    chats.length,
                    (index) => buildShowChat(index),
                  ),
                ),
              ),
            ),
            const SizedBox(height: 50),
            Center(
              child: ElevatedButton(
                style: ElevatedButton.styleFrom(backgroundColor: Colors.green),
                onPressed: () async {
                  await LaunchApp.openApp(
                    androidPackageName: 'com.whatsapp',
                    iosUrlScheme: 'whatsapp://app',
                    appStoreLink:
                        'https://apps.apple.com/us/app/whatsapp-messenger/id310633997',
                  );
                },
                child: const Text('Open WhatsApp'),
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget buildShowChat(int index) => Column(
    crossAxisAlignment: CrossAxisAlignment.start,
    children: [
      Text('${index + 1}.', style: const TextStyle(fontSize: 20)),
      Padding(
        padding: const EdgeInsets.only(left: 20),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text('Name - ${chats[index].chatName}\n'),
            Text('Members - ${chats[index].members}\n'),
            Text('Size of the chat - ${chats[index].sizeOfChat}\n'),
            Text('Messages per member - ${chats[index].msgsPerMember}\n'),
            const Text('Three random messages:\n'),
            Column(
              children: List.generate(3, (index2) {
                MessageContent randomMessage = chats[index]
                    .messages[Random().nextInt(chats[index].messages.length)];
                return Padding(
                  padding: const EdgeInsets.only(left: 20),
                  child: Column(
                    mainAxisSize: MainAxisSize.min,
                    children: [
                      Text('\t${index2 + 1}. $randomMessage\n'),
                      randomMessage.isImage()
                          ? buildFutureImageBuilder(
                              chats[index].getImage(randomMessage.msg!),
                            )
                          : const SizedBox(),
                    ],
                  ),
                );
              }),
            ),
          ],
        ),
      ),
      const SizedBox(height: 50),
    ],
  );

  Widget buildFutureImageBuilder(Future<ui.Image?> img) => FutureBuilder(
    future: img,
    builder: (BuildContext context, AsyncSnapshot<ui.Image?> image) {
      if (image.hasData && image.data != null) {
        return RawImage(image: image.data, scale: 4.5); // image is ready
      } else {
        return Container(); // placeholder
      }
    },
  );

  @override
  void receiveChatContent(ChatContent chatContent) {
    chats.add(chatContent);
    setState(() {});
  }
}