回答消息增加复制、分享菜单和tts语音播报

lib/package/chat_dash/dash_chat_2.dart

 library dash_chat_2;
 
 import 'dart:math';
-
+import 'package:custom_pop_up_menu/custom_pop_up_menu.dart';
+import 'package:clipboard/clipboard.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:flutter_tts/flutter_tts.dart';
 import 'package:highlight/highlight.dart' show highlight, Node;
 import 'package:animated_text_kit/animated_text_kit.dart';
 import 'package:chart/package/markdown/flutter_markdown.dart';
@@ -14,9 +18,11 @@ import 'package:gradient_borders/input_borders/gradient_outline_input_border.dar
 import 'package:highlight/highlight.dart';
 import 'package:intl/intl.dart' as intl;
 import 'package:loading_animation_widget/loading_animation_widget.dart';
+import 'package:share_plus/share_plus.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:video_player/video_player.dart' as vp;
 
+import '../../pages/home/controller.dart';
 import '../markdown/src/style_sheet.dart';
 import 'src/widgets/image_provider/image_provider.dart';
 

lib/package/chat_dash/src/widgets/message_list/message_list.dart

 part of dash_chat_2;
 
+enum TtsState { playing, stopped, paused, continued }
+
+class ChartTTS {
+  String voiceName;
+  String locale;
+  double volume;
+  double speechRate;
+  String language = "en-US";
+  static ChartTTS tts = ChartTTS();
+
+  ChartTTS(
+      {this.voiceName = "Karen",
+      this.locale = 'en-AU',
+      this.volume = 1.0,
+      this.speechRate = 1.0}) {
+    flutterTts.setLanguage(language);
+    flutterTts.setVolume(volume);
+    flutterTts.setSpeechRate(speechRate);
+    flutterTts.setVoice({"name": voiceName, "locale": locale});
+  }
+
+  final FlutterTts _flutterTts = FlutterTts();
+
+  FlutterTts get flutterTts => _flutterTts;
+
+  Future<void> speak(String message, VoidCallback? onFinishedCallback) async {
+    //先停止
+    await stop();
+    _flutterTts.setCompletionHandler(() {
+      if (onFinishedCallback != null) {
+        onFinishedCallback();
+      }
+    });
+    var rev = await _flutterTts.speak(message);
+  }
+
+  Future<void> stop() async {
+    await _flutterTts.stop();
+  }
+}
+
 /// @nodoc
 class MessageList extends StatefulWidget {
   const MessageList({
@@ -42,6 +83,7 @@ class _MessageListState extends State<MessageList> {
   bool scrollToBottomIsVisible = false;
   bool isLoadingMore = false;
   late ScrollController scrollController;
+  late ChartTTS chartTTS = ChartTTS();
 
   @override
   void initState() {
@@ -118,23 +160,23 @@ class _MessageListState extends State<MessageList> {
                                 margin: const EdgeInsets.only(top: 20),
                                 child: Row(
                                     mainAxisAlignment:
-                                        MainAxisAlignment.spaceBetween,
+                                    MainAxisAlignment.spaceBetween,
                                     children: [
                                       Expanded(
                                           child: Text(
-                                        message.text,
-                                        overflow: TextOverflow.ellipsis,
-                                        maxLines: 1,
-                                        style: const TextStyle(
-                                            color: Color.fromARGB(
-                                                255, 170, 170, 194)),
-                                      )),
+                                            message.text,
+                                            overflow: TextOverflow.ellipsis,
+                                            maxLines: 1,
+                                            style: const TextStyle(
+                                                color: Color.fromARGB(
+                                                    255, 170, 170, 194)),
+                                          )),
                                       const Icon(
                                         Icons.arrow_forward,
                                         color: Color(0xFF9c67f6),
                                       ),
                                     ]),
-                              )
+                              ),
                             ],
                           ),
                         ),

lib/package/chat_dash/src/widgets/message_row/message_row.dart

@@ -131,20 +131,47 @@ class MessageRow extends StatelessWidget {
                             // messageLength: messageLength,
                           ),
                   if (message.text.isNotEmpty)
-                    TextContainer(
-                      index: index,
-                      messageOptions: messageOptions,
-                      message: message,
-                      messageLength: messageLength,
-                      previousMessage: previousMessage,
-                      nextMessage: nextMessage,
-                      isOwnMessage: isOwnMessage,
-                      isNextSameAuthor: isNextSameAuthor,
-                      isPreviousSameAuthor: isPreviousSameAuthor,
-                      isAfterDateSeparator: isAfterDateSeparator,
-                      isBeforeDateSeparator: isBeforeDateSeparator,
-                      messageTextBuilder: messageOptions.messageTextBuilder,
-                    ),
+                    (isOwnMessage
+                        ? TextContainer(
+                            index: index,
+                            messageOptions: messageOptions,
+                            message: message,
+                            messageLength: messageLength,
+                            previousMessage: previousMessage,
+                            nextMessage: nextMessage,
+                            isOwnMessage: isOwnMessage,
+                            isNextSameAuthor: isNextSameAuthor,
+                            isPreviousSameAuthor: isPreviousSameAuthor,
+                            isAfterDateSeparator: isAfterDateSeparator,
+                            isBeforeDateSeparator: isBeforeDateSeparator,
+                            messageTextBuilder:
+                                messageOptions.messageTextBuilder,
+                          )
+                        : Row(
+                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            children: [
+                              Expanded(
+                                  child: TextContainer(
+                                index: index,
+                                messageOptions: messageOptions,
+                                message: message,
+                                messageLength: messageLength,
+                                previousMessage: previousMessage,
+                                nextMessage: nextMessage,
+                                isOwnMessage: isOwnMessage,
+                                isNextSameAuthor: isNextSameAuthor,
+                                isPreviousSameAuthor: isPreviousSameAuthor,
+                                isAfterDateSeparator: isAfterDateSeparator,
+                                isBeforeDateSeparator: isBeforeDateSeparator,
+                                messageTextBuilder:
+                                    messageOptions.messageTextBuilder,
+                              )),
+                              Padding(
+                                  padding: EdgeInsets.only(left: 10, top: 15),
+                                  child: ChartTTSWave(text: message.text)),
+                            ],
+                          )),
                   if (message.medias != null &&
                       message.medias!.isNotEmpty &&
                       !messageOptions.textBeforeMedia)

lib/pages/home/controller.dart

@@ -78,7 +78,14 @@ class HomeController extends GetxController {
     );
 
     _addMessage(textMessage);
-
+    final receiveMessage = Chat.ChatMessage(
+      user: receiveUser,
+      createdAt: DateTime.now(),
+      status: MessageStatus.pending,
+      // id: const Uuid().v4(),
+      text: "LOADING",
+    );
+    _addMessage(receiveMessage);
     // return;
     // _addMessage(loadingMessage);
 
@@ -113,14 +120,7 @@ class HomeController extends GetxController {
                 integral: value.integral));
           });
 
-          final receiveMessage = Chat.ChatMessage(
-            user: receiveUser,
-            createdAt: DateTime.now(),
-            status: MessageStatus.pending,
-            // id: const Uuid().v4(),
-            text: "LOADING",
-          );
-          _addMessage(receiveMessage);
+
           // index.value = state.messageList.length;
         } else {
           // EasyLoading.showError("网络异常");

pubspec.yaml

@@ -122,6 +122,9 @@ dependencies:
   loading_animation_widget: ^1.2.0+4
   flutter_keyboard_visibility: ^5.4.0
   flutter_barrage: ^0.5.2
+  clipboard: ^0.1.3
+  flutter_tts: ^3.6.3
+  custom_pop_up_menu: ^1.2.4
 
   
   # package:bubble/bubble.dart