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760 lines
26 KiB
760 lines
26 KiB
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'dart:math';
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import '../controllers/chat_controller.dart';
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import '../models/message_model.dart';
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import '../../../core/theme/app_colors.dart';
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import 'chat_music_card.dart';
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import 'chat_navigation_card.dart';
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import 'weather_day_card.dart';
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class ChatView extends GetView<ChatController> {
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const ChatView({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final isDarkMode = Theme.of(context).brightness == Brightness.dark;
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return Scaffold(
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backgroundColor: isDarkMode ? AppColors.darkBackground : Colors.grey[50],
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appBar: _buildAppBar(isDarkMode),
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body: _buildBody(isDarkMode),
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);
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}
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// 构建AppBar
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PreferredSizeWidget _buildAppBar(bool isDarkMode) {
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return AppBar(
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elevation: 1,
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backgroundColor: isDarkMode ? AppColors.cardBackground : Colors.white,
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leading: IconButton(
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icon: Icon(Icons.arrow_back_ios,
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color: isDarkMode ? Colors.white : Colors.black87, size: 20.r),
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onPressed: () => Get.back(),
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),
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titleSpacing: 0,
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title: Row(
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children: [
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// AI头像
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Container(
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width: 40.r,
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height: 40.r,
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decoration: BoxDecoration(
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color: AppColors.primary,
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borderRadius: BorderRadius.circular(20.r),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 3,
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offset: Offset(0, 1),
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),
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],
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),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(20.r),
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child: controller.agent.avatarUrl.isNotEmpty
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? Image.asset(
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controller.agent.avatarUrl,
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fit: BoxFit.cover,
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errorBuilder: (context, error, stackTrace) {
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return Icon(
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Icons.smart_toy_rounded,
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color: Colors.white,
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size: 22.r,
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);
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},
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)
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: Icon(
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Icons.smart_toy_rounded,
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color: Colors.white,
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size: 22.r,
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),
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),
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),
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SizedBox(width: 12.w),
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// AI名称和状态
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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'${controller.agent.name}'.tr,
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style: TextStyle(
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fontSize: 16.sp,
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fontWeight: FontWeight.bold,
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color: isDarkMode ? Colors.white : Colors.black87,
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),
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),
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Row(
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children: [
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Container(
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width: 6.r,
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height: 6.r,
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decoration: BoxDecoration(
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color: Colors.green,
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shape: BoxShape.circle,
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),
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),
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SizedBox(width: 4.w),
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Text(
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'online'.tr, // 在线
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style: TextStyle(
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fontSize: 12.sp,
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color: Colors.green,
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),
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),
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],
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),
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],
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),
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),
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],
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),
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actions: [
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// TTS开关
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Obx(() => IconButton(
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icon: Icon(
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controller.isTtsEnabled.value
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? Icons.volume_up
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: Icons.volume_off,
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color: controller.isTtsEnabled.value
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? AppColors.primary
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: isDarkMode
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? Colors.grey[400]
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: Colors.grey,
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),
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onPressed: controller.toggleTts,
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)),
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// 更多选项
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Container(
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width: 34.r,
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height: 34.r,
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margin: EdgeInsets.only(right: 8.w),
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decoration: BoxDecoration(
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color:
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isDarkMode ? Colors.white.withOpacity(0.1) : Colors.grey[100],
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shape: BoxShape.circle,
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boxShadow: [
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if (!isDarkMode)
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 2,
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spreadRadius: 0.5,
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),
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],
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),
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child: PopupMenuButton(
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icon: Icon(Icons.more_vert,
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color: isDarkMode ? Colors.white : Colors.black87, size: 20.r),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12.r),
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),
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color: isDarkMode ? AppColors.cardBackground : Colors.white,
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itemBuilder: (context) => [
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PopupMenuItem(
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value: 'clear',
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child: Row(
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children: [
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Icon(Icons.delete_outline, color: Colors.red),
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SizedBox(width: 8.w),
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Text(
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'clearChatHistory'.tr, // 清空聊天记录
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style: TextStyle(
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color: isDarkMode ? Colors.white : Colors.black87,
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),
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),
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],
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),
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onTap: () {
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// 延迟执行，避免在弹出菜单关闭前执行
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Future.delayed(
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const Duration(milliseconds: 100),
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() => controller.clearChat(),
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);
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},
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),
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],
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),
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),
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],
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);
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}
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// 构建主体内容
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Widget _buildBody(bool isDarkMode) {
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return Column(
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children: [
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// 聊天内容区域
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Expanded(
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child: Obx(() {
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if (controller.messages.isEmpty) {
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return _buildEmptyState(isDarkMode);
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} else {
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return _buildChatList(isDarkMode);
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}
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}),
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),
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// 底部输入区域
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_buildInputArea(isDarkMode),
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],
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);
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}
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// 构建空状态
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Widget _buildEmptyState(bool isDarkMode) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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width: 80.w,
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height: 80.w,
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decoration: BoxDecoration(
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color:
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isDarkMode ? Colors.white.withOpacity(0.1) : Colors.grey[100],
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shape: BoxShape.circle,
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),
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child: Icon(
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Icons.chat_bubble_outline,
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size: 40.w,
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color:
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isDarkMode ? Colors.white.withOpacity(0.5) : Colors.grey[400],
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),
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),
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SizedBox(height: 24.h),
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Text(
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'你好！我是${controller.agent.name}助手',
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style: TextStyle(
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fontSize: 18.sp,
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fontWeight: FontWeight.bold,
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color: isDarkMode ? Colors.white : Colors.black87,
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),
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),
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SizedBox(height: 12.h),
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Padding(
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padding: EdgeInsets.symmetric(horizontal: 40.w),
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child: Text(
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'我能帮你回答问题、实时语音翻译、推荐音乐和播客等。有什么我可以帮你的吗？',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 14.sp,
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color: isDarkMode ? Colors.grey[400] : Colors.grey[600],
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height: 1.5,
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),
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),
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),
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],
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),
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);
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}
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// 构建聊天列表
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Widget _buildChatList(bool isDarkMode) {
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return ListView.builder(
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controller: controller.scrollController,
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padding: EdgeInsets.symmetric(horizontal: 16.w, vertical: 10.h),
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itemCount: controller.messages.length,
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reverse: false,
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physics: const AlwaysScrollableScrollPhysics(),
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cacheExtent: 1000, // 增加缓存范围，减少重建
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itemBuilder: (context, index) {
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final message = controller.messages[index];
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return _buildMessageItem(message, isDarkMode);
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},
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);
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}
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// 构建消息项
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Widget _buildMessageItem(Message message, bool isDarkMode) {
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final isUser = message.role == 'user';
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return Padding(
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padding: EdgeInsets.only(bottom: 16.h),
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child: Row(
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mainAxisAlignment:
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isUser ? MainAxisAlignment.end : MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (!isUser) _buildAvatar(false, isDarkMode),
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SizedBox(width: 8.w),
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Flexible(
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child: Column(
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crossAxisAlignment:
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isUser ? CrossAxisAlignment.end : CrossAxisAlignment.start,
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children: [
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// 消息气泡
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Container(
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padding: EdgeInsets.all(12.r),
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decoration: BoxDecoration(
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color: isUser
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? AppColors.primary
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: isDarkMode
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? AppColors.cardBackground
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: Colors.grey[200],
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borderRadius: BorderRadius.circular(16.r),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 消息内容
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_buildMessageContent(message, isDarkMode, isUser),
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// 加载中动画
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if (message.isIntermediate)
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Padding(
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padding: EdgeInsets.only(top: 8.h),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: List.generate(
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3,
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(index) => _buildLoadingDot(index, isDarkMode),
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),
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),
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),
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],
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),
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),
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// 时间戳
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Padding(
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padding: EdgeInsets.only(top: 4.h, left: 4.w, right: 4.w),
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child: Text(
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_formatTime(message.timestamp),
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style: TextStyle(
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fontSize: 10.sp,
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color: isDarkMode ? Colors.grey[500] : Colors.grey[500],
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),
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),
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),
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],
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),
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),
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SizedBox(width: 8.w),
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if (isUser) _buildAvatar(true, isDarkMode),
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],
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),
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);
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}
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Widget _buildMessageContent(Message message, bool isDarkMode, bool isUser) {
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Widget box = const SizedBox();
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if (message.content.isNotEmpty) {
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box = SelectableText(
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message.content.tr,
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style: TextStyle(
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color: isUser
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? Colors.white
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: isDarkMode
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? Colors.white
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: Colors.black,
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fontSize: 16.sp,
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height: 1.5,
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),
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);
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}
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if (message.data != null) {
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if (message.data?['card_weather'] != null) {
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box = WeatherDayCard(message.data, isDarkMode);
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}
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if (message.data?['card_spotify'] != null) {
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box = ChatMusicCard(message.data?['card_spotify'], isDarkMode);
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}
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if (message.data?['card_navigation'] != null) {
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box = ChatNavigationCard(message.data?['card_navigation'], isDarkMode);
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}
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}
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return box;
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}
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// 构建输入区域
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Widget _buildInputArea(bool isDarkMode) {
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final textController =
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TextEditingController(text: controller.inputText.value);
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// 检查是否处于语音识别模式
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return Obx(() {
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if (controller.isVoiceRecognitionActive.value) {
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return _buildVoiceInputPanel(isDarkMode);
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} else {
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return _buildTextInputPanel(isDarkMode, textController);
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}
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});
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}
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// 构建文本输入面板
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Widget _buildTextInputPanel(
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bool isDarkMode, TextEditingController textController) {
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return Container(
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padding: EdgeInsets.symmetric(horizontal: 16.w, vertical: 8.h),
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decoration: BoxDecoration(
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color: isDarkMode ? AppColors.cardBackground : Colors.white,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 3,
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offset: Offset(0, -1),
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),
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],
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),
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child: SafeArea(
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child: Row(
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children: [
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// 语音识别按钮
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Container(
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width: 40.w,
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height: 40.w,
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decoration: BoxDecoration(
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color: isDarkMode
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? Colors.white.withOpacity(0.1)
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: Colors.grey[100],
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shape: BoxShape.circle,
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),
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child: IconButton(
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icon: Icon(
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Icons.mic_none,
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color: isDarkMode ? Colors.white : Colors.grey[700],
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size: 20.r,
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),
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padding: EdgeInsets.zero,
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onPressed: controller.startVoiceRecognition,
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),
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),
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SizedBox(width: 8.w),
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// 输入框
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Expanded(
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child: TextField(
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controller: textController,
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decoration: InputDecoration(
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hintText: 'inputMessage'.tr, // 输入消息...
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hintStyle: TextStyle(
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color: isDarkMode ? Colors.grey[500] : Colors.grey[500]),
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filled: true,
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fillColor: isDarkMode
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? Colors.white.withOpacity(0.1)
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: Colors.grey[100],
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(20.r),
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borderSide: BorderSide.none,
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),
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contentPadding: EdgeInsets.symmetric(
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horizontal: 16.w,
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vertical: 10.h,
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),
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),
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maxLines: null,
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textInputAction: TextInputAction.newline,
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style: TextStyle(
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fontSize: 15.sp,
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color: isDarkMode ? Colors.white : Colors.black87,
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),
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onChanged: (value) => controller.inputText.value = value,
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onSubmitted: (value) {
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if (value.trim().isNotEmpty) {
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controller.sendMessage(value);
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textController.clear();
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controller.inputText.value = ''; // 清空输入框
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}
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},
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),
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),
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SizedBox(width: 8.w),
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// 发送按钮
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Obx(() {
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final hasText = controller.inputText.value.isNotEmpty;
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return Container(
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width: 40.w,
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height: 40.w,
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decoration: BoxDecoration(
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color: hasText
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? AppColors.primary
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: isDarkMode
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? Colors.white.withOpacity(0.1)
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: Colors.grey[200],
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shape: BoxShape.circle,
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),
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child: IconButton(
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icon: Icon(
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Icons.send,
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color: hasText
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? Colors.white
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: isDarkMode
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? Colors.white.withOpacity(0.5)
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: Colors.grey[400],
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size: 18.r,
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),
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padding: EdgeInsets.zero,
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onPressed: hasText
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? () {
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controller.sendMessage(controller.inputText.value);
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textController.clear();
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controller.inputText.value = ''; // 清空输入框
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}
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: null,
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),
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);
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}),
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],
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),
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),
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);
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}
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// 构建语音输入面板
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Widget _buildVoiceInputPanel(bool isDarkMode) {
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return Container(
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decoration: BoxDecoration(
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color: isDarkMode ? AppColors.cardBackground : Colors.white,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 3,
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offset: Offset(0, -1),
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),
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],
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),
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child: SafeArea(
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child: SizedBox(
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height: 80.h,
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child: Padding(
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padding: EdgeInsets.symmetric(horizontal: 20.w),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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// 语音录制按钮
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Container(
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width: 60.r,
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height: 60.r,
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decoration: BoxDecoration(
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color: isDarkMode
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? Colors.white.withOpacity(0.1)
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: Colors.white,
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shape: BoxShape.circle,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 8,
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spreadRadius: 1,
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),
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],
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),
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child: Center(
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child: Obx(() => Icon(
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controller.isListening.value
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? Icons.mic
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: Icons.mic_none,
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color: controller.isListening.value
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? AppColors.primary
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: Colors.grey.shade400,
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size: 28.r,
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)),
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),
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),
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// 中间音频波形和状态文本
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Expanded(
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child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
// 音频波形区域
|
|
Container(
|
|
height: 50.h,
|
|
child: Obx(() {
|
|
final isSpeaking = controller.isSpeechDetected.value;
|
|
return Center(
|
|
child: Container(
|
|
width: 220.w,
|
|
height: 30.h,
|
|
child: Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: List.generate(
|
|
23,
|
|
(index) {
|
|
// 随机高度模拟波形
|
|
double height = isSpeaking
|
|
? (Random().nextDouble() * 20.0 + 5.0).h
|
|
: 2.h;
|
|
|
|
return SizedBox(
|
|
width: 6.w,
|
|
child: Center(
|
|
child: AnimatedContainer(
|
|
duration: Duration(milliseconds: 500),
|
|
width: 2.5.w,
|
|
height: height,
|
|
margin: EdgeInsets.symmetric(
|
|
horizontal: 1.5.w),
|
|
decoration: BoxDecoration(
|
|
color: isSpeaking
|
|
? AppColors.primary
|
|
: isDarkMode
|
|
? Colors.grey.shade600
|
|
: Colors.grey.shade400,
|
|
borderRadius:
|
|
BorderRadius.circular(2.r),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}),
|
|
),
|
|
SizedBox(height: 8.h),
|
|
|
|
// 语音状态文本
|
|
Obx(() => Text(
|
|
controller.isSpeechDetected.value
|
|
? 'imListening'.tr // 正在聆听...
|
|
: 'canStartTalking'.tr, // 你可以开始说话
|
|
style: TextStyle(
|
|
fontSize: 14.sp,
|
|
color: isDarkMode
|
|
? Colors.grey[400]
|
|
: Colors.grey[700],
|
|
fontWeight: FontWeight.w500,
|
|
),
|
|
)),
|
|
],
|
|
),
|
|
),
|
|
|
|
// 关闭按钮
|
|
Container(
|
|
width: 60.r,
|
|
height: 60.r,
|
|
decoration: BoxDecoration(
|
|
color: isDarkMode
|
|
? Colors.white.withOpacity(0.1)
|
|
: Colors.white,
|
|
shape: BoxShape.circle,
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: Colors.black.withOpacity(0.1),
|
|
blurRadius: 8,
|
|
spreadRadius: 1,
|
|
),
|
|
],
|
|
),
|
|
child: Center(
|
|
child: IconButton(
|
|
icon: Icon(
|
|
Icons.close,
|
|
color: isDarkMode ? Colors.white : Colors.grey.shade600,
|
|
size: 28.r,
|
|
),
|
|
padding: EdgeInsets.zero,
|
|
onPressed: controller.stopVoiceRecognition,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
// 构建头像
|
|
Widget _buildAvatar(bool isUser, bool isDarkMode) {
|
|
return Container(
|
|
width: 36.r,
|
|
height: 36.r,
|
|
decoration: BoxDecoration(
|
|
color: isUser
|
|
? (isDarkMode ? Colors.white.withOpacity(0.1) : Colors.grey[200])
|
|
: AppColors.primary,
|
|
shape: BoxShape.circle,
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: Colors.black.withOpacity(0.05),
|
|
blurRadius: 2,
|
|
offset: Offset(0, 1),
|
|
),
|
|
],
|
|
),
|
|
child: isUser
|
|
? Center(
|
|
child: Icon(
|
|
Icons.person,
|
|
color: isDarkMode ? Colors.white : Colors.grey[700],
|
|
size: 20.r,
|
|
),
|
|
)
|
|
: ClipRRect(
|
|
borderRadius: BorderRadius.circular(18.r),
|
|
child: controller.agent.avatarUrl.isNotEmpty
|
|
? Image.asset(
|
|
controller.agent.avatarUrl,
|
|
fit: BoxFit.cover,
|
|
errorBuilder: (context, error, stackTrace) {
|
|
return Icon(
|
|
Icons.smart_toy_rounded,
|
|
color: Colors.white,
|
|
size: 20.r,
|
|
);
|
|
},
|
|
)
|
|
: Icon(
|
|
Icons.smart_toy_rounded,
|
|
color: Colors.white,
|
|
size: 20.r,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
// 构建加载动画点
|
|
Widget _buildLoadingDot(int index, bool isDarkMode) {
|
|
return AnimatedBuilder(
|
|
animation: AlwaysStoppedAnimation(0),
|
|
builder: (context, child) {
|
|
return Container(
|
|
margin: EdgeInsets.symmetric(horizontal: 2.w),
|
|
width: 8.r,
|
|
height: 8.r,
|
|
decoration: BoxDecoration(
|
|
color:
|
|
isDarkMode ? Colors.white.withOpacity(0.5) : Colors.grey[400],
|
|
shape: BoxShape.circle,
|
|
),
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
// 格式化时间
|
|
String _formatTime(DateTime time) {
|
|
final now = DateTime.now();
|
|
final today = DateTime(now.year, now.month, now.day);
|
|
//final yesterday = today.subtract(const Duration(days: 1));
|
|
final messageDate = DateTime(time.year, time.month, time.day);
|
|
|
|
String timeStr =
|
|
'${time.hour.toString().padLeft(2, '0')}:${time.minute.toString().padLeft(2, '0')}';
|
|
|
|
if (messageDate == today) {
|
|
return timeStr; // 只显示时间，如 "14:30"
|
|
}
|
|
// else if (messageDate == yesterday) {
|
|
// return 'Yesterday $timeStr'; // 如 "Yesterday 14:30"
|
|
// }
|
|
else {
|
|
// 国际通用日期格式 "MM-dd HH:mm"
|
|
return '${time.month.toString().padLeft(2, '0')}-${time.day.toString().padLeft(2, '0')} $timeStr';
|
|
}
|
|
}
|
|
}
|
|
|