update demo

example/lib/pages/send_auth_page.dart

@@ -15,7 +15,7 @@ class _SendAuthPageState extends State<SendAuthPage> {
   @override
   void initState() {
     super.initState();
-    fluwx.subscribeResponse((response) {
+    fluwx.addSubscriber((response) {
       if (response is WeChatAuthResponse) {
         setState(() {
           _result = 'state :${response.state} \n code:${response.code}';

example/lib/pages/share_image_page.dart

+import 'dart:typed_data';
+
 import 'package:flutter/material.dart';
 import 'package:fluwx/fluwx.dart';
+import 'package:fluwx_example/utils.dart';
 
 class ShareImagePage extends StatefulWidget {
   const ShareImagePage({Key? key}) : super(key: key);
@@ -11,13 +14,21 @@ class ShareImagePage extends StatefulWidget {
 class _ShareImagePageState extends State<ShareImagePage> {
   WeChatScene scene = WeChatScene.session;
   String _response = '';
+  String _imageToShare = 'https://timgsa.baidu.com/timg'
+      '?image'
+      '&quality=80'
+      '&size=b9999_10000'
+      '&sec=1534614311230'
+      '&di=b17a892b366b5d002f52abcce7c4eea0'
+      '&imgtype=0'
+      '&src=http%3A%2F%2Fimg.mp.sohu.com%2Fupload%2F20170516%2F51296b2673704ae2992d0a28c244274c_th.png';
 
   Fluwx fluwx = Fluwx();
 
   @override
   void initState() {
     super.initState();
-    fluwx.subscribeResponse((res) {
+    fluwx.addSubscriber((res) {
       if (res is WeChatShareResponse) {
         setState(() {
           _response = 'state :${res.isSuccessful}';
@@ -45,24 +56,17 @@ class _ShareImagePageState extends State<ShareImagePage> {
             TextField(
               decoration: const InputDecoration(labelText: '图片地址(仅限网络)'),
               controller: TextEditingController(
-                text: 'https://timgsa.baidu.com/timg'
-                    '?image'
-                    '&quality=80'
-                    '&size=b9999_10000'
-                    '&sec=1534614311230'
-                    '&di=b17a892b366b5d002f52abcce7c4eea0'
-                    '&imgtype=0'
-                    '&src=http%3A%2F%2Fimg.mp.sohu.com%2Fupload%2F20170516%2F51296b2673704ae2992d0a28c244274c_th.png',
+                text: _imageToShare,
               ),
               onChanged: (value) {
+                _imageToShare = value;
               },
               keyboardType: TextInputType.multiline,
             ),
             TextField(
               decoration: InputDecoration(labelText: '缩略地址'),
               controller: TextEditingController(text: '//images/logo.png'),
-              onChanged: (value) {
-              },
+              onChanged: (value) {},
             ),
             Row(
               children: <Widget>[
@@ -112,7 +116,12 @@ class _ShareImagePageState extends State<ShareImagePage> {
     );
   }
 
-  void _shareImage() {
+  void _shareImage() async{
+    fluwx.share(WeChatShareImageModel(
+        WeChatImageToShare(
+          uint8List: await fetchImageAsUint8List(_imageToShare) ,
+        ),
+    ));
   }
 
   void handleRadioValueChanged(WeChatScene scene) {

example/lib/pages/sign_auto_deduct_page.dart

@@ -29,7 +29,7 @@ class _SignAutoDeductPageState extends State<SignAutoDeductPage> {
   @override
   void initState() {
     super.initState();
-    fluwx.subscribeResponse((resp) {
+    fluwx.addSubscriber((resp) {
       print('resp = ${resp.isSuccessful}');
     });
   }

example/lib/pages/subscribe_message_page.dart

@@ -21,7 +21,7 @@ class _SubscribeMessagePageState extends State<SubscribeMessagePage> {
   @override
   void initState() {
     super.initState();
-    fluwx.subscribeResponse((resp) {
+    fluwx.addSubscriber((resp) {
       debugPrint('resp = $resp');
     });
   }

example/lib/utils.dart

+import 'dart:typed_data';
+import 'package:flutter/foundation.dart';
+import 'package:http/http.dart' as http;
+
+Future<Uint8List?> fetchImageAsUint8List(String imageUrl) async {
+  try {
+    final response = await http.get(Uri.parse(imageUrl));
+    if (response.statusCode == 200) {
+      return response.bodyBytes;
+    } else {
+      debugPrint('Failed to load image: ${response.statusCode}');
+      return null;
+    }
+  } catch (e) {
+    debugPrint('Error fetching image: $e');
+    return null;
+  }
+}
\ No newline at end of file

example/pubspec.yaml

@@ -53,6 +53,7 @@ dev_dependencies:
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
   flutter_lints: ^2.0.0
+  http: ^1.2.2
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec