fluwx/example/lib/share_text_image.dart

import 'package:flutter/material.dart';
import 'package:fluwx/fluwx.dart' as fluwx;

class ShareTextPage extends StatefulWidget {
  @override
  _ShareTextPageState createState() => _ShareTextPageState();
}

class _ShareTextPageState extends State<ShareTextPage> {
  String _text = "share text from fluwx";
  fluwx.WeChatScene scene = fluwx.WeChatScene.SESSION;

  @override
  void initState() {
    super.initState();

    fluwx.responseFromShare.listen((data) {
      print(data.toString());
    });
  }

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: AppBar(
        title: const Text("ShareText"),
        actions: <Widget>[
          IconButton(
              icon: Icon(
                Icons.share,
                color: Colors.white,
              ),
              onPressed: _shareText)
        ],
      ),
      body: Padding(
        padding: const EdgeInsets.all(8.0),
        child: new Column(
          children: <Widget>[
            new TextField(
              controller: TextEditingController(text: "share text from fluwx"),
              onChanged: (str) {
                _text = str;
              },
              decoration: InputDecoration(labelText: "TextToShare"),
            ),
            new Row(
              children: <Widget>[
                const Text("分享至"),
                Row(
                  children: <Widget>[
                    new Radio<fluwx.WeChatScene>(
                        value: fluwx.WeChatScene.SESSION,
                        groupValue: scene,
                        onChanged: handleRadioValueChanged),
                    const Text("会话")
                  ],
                ),
                Row(
                  children: <Widget>[
                    new Radio<fluwx.WeChatScene>(
                        value: fluwx.WeChatScene.TIMELINE,
                        groupValue: scene,
                        onChanged: handleRadioValueChanged),
                    const Text("朋友圈")
                  ],
                ),
                Row(
                  children: <Widget>[
                    new Radio<fluwx.WeChatScene>(
                        value: fluwx.WeChatScene.FAVORITE,
                        groupValue: scene,
                        onChanged: handleRadioValueChanged),
                    const Text("收藏")
                  ],
                )
              ],
            )
          ],
        ),
      ),
    );
  }

  void _shareText() {
    fluwx
        .share(fluwx.WeChatShareTextModel(
            text: _text,
            transaction: "text${DateTime.now().millisecondsSinceEpoch}",
            scene: scene))
        .then((data) {
      print(data);
    });

//    fluwx.sendAuth(WeChatSendAuthModel(scope: "snsapi_userinfo",state: "wechat_sdk_demo_test"));
  }

  void handleRadioValueChanged(fluwx.WeChatScene scene) {
    setState(() {
      this.scene = scene;
    });
  }
}