ar_tourism_flutter_unity/lib/components/WelcomeDialog.dart

import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

import '../pages/mine/setting/privacy_policy.dart';
import '../pages/mine/setting/user_manual.dart';
import '../components/gradientButton.dart';

class WelcomeDialog extends StatelessWidget {
  final VoidCallback onAgree;
  final VoidCallback onBasicMode;
  final VoidCallback onDisagree;

  const WelcomeDialog({
    super.key,
    required this.onAgree,
    required this.onBasicMode,
    required this.onDisagree,
  });

  @override
  Widget build(BuildContext context) {
    // 获取屏幕宽度
    final screenWidth = MediaQuery.of(context).size.width;
    
    // 定义统一的按钮高度和圆角
    const double buttonHeight = 36.0;
    const double buttonRadius = 8.0;
    
    // 使用Material替代Dialog，以便可以完全控制宽度和边距
    return Material(
      type: MaterialType.transparency,
      child: Center(
        child: Container(
          width: screenWidth * 0.80, 
          constraints: BoxConstraints(
            minHeight: 320,
            maxHeight: MediaQuery.of(context).size.height * 0.8,
          ),
          decoration: BoxDecoration(
            color: const Color(0xFF1F212E),
            borderRadius: BorderRadius.circular(8),
          ),
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              const SizedBox(height: 24),
              const Text(
                '欢迎使用看那',
                style: TextStyle(
                  color: Colors.white,
                  fontSize: 16,
                  fontWeight: FontWeight.bold,
                ),
              ),
              const SizedBox(height: 16),
              Flexible(
                child: Container(
                  margin: const EdgeInsets.symmetric(horizontal: 8),
                  padding: const EdgeInsets.all(12),
                  decoration: BoxDecoration(
                    color: const Color(0xFF292B37),
                    borderRadius: BorderRadius.circular(8),
                  ),
                  child: const Text(
                    '根据政策要求，您需要在充分阅读并同意《用户协议》与《隐私政策》后，我们才能开始为您提供相应的功能或服务，同时我们会保护您的个人信息安全。\n\n如您同意以上内容，请点击"同意"开始使用我们的产品与服务。',
                    style: TextStyle(
                      color: Colors.white,
                      fontSize: 12,
                      height: 1.5,
                    ),
                    textAlign: TextAlign.justify, // 两端对齐
                  ),
                ),
              ),
              const SizedBox(height: 16),
              RichText(
                textAlign: TextAlign.center,
                text: TextSpan(
                  style: const TextStyle(
                    color: Color.fromRGBO(255, 255, 255, 0.6),
                    fontSize: 12,
                  ),
                  children: [
                    const TextSpan(text: '点击阅读'),
                    TextSpan(
                      text: '《用户协议》',
                      style:  TextStyle(
                        color: Color(0xFF96FBE9).withOpacity(0.8), // 修改为半透明白色
                      ),
                      recognizer: TapGestureRecognizer()
                        ..onTap = () {
                          Navigator.push(
                            context,
                            MaterialPageRoute(builder: (context) => const UserManualPage()),
                          );
                        },
                    ),
                    const TextSpan(text: '和'),
                    TextSpan(
                      text: '《隐私政策》',
                      style:  TextStyle(
                        color: Color(0xFF96FBE9).withOpacity(0.8) // 修改为半透明白色
                      ),
                      recognizer: TapGestureRecognizer()
                        ..onTap = () {
                          Navigator.push(
                            context,
                            MaterialPageRoute(builder: (context) => const PrivacyPolicyPage()),
                          );
                        },
                    ),
                  ],
                ),
              ),
              const SizedBox(height: 24),
              Padding(
                padding: const EdgeInsets.symmetric(horizontal: 16),
                child: Row(
                  children: [
                    // 不同意按钮 - 背景色#292B37，无边框，白色文字
                    Expanded(
                      child: SizedBox(
                        height: buttonHeight,
                        child: ElevatedButton(
                          onPressed: onDisagree,
                          style: ElevatedButton.styleFrom(
                            backgroundColor: const Color(0xFF292B37), // 背景色
                            elevation: 0,
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(buttonRadius),
                            ),
                            padding: EdgeInsets.zero,
                          ),
                          child: const Text(
                            '不同意',
                            style: TextStyle(
                              color: Colors.white, // 白色文字
                              fontSize: 14,
                            ),
                          ),
                        ),
                      ),
                    ),
                    const SizedBox(width: 8),
                    // 基本模式按钮 - 边框和文字Color.fromRGBO(255, 255, 255, 0.6)，背景色Color.fromRGBO(255, 255, 255, 0.3)
                    Expanded(
                      child: Container(
                        height: buttonHeight,
                        decoration: BoxDecoration(
                          borderRadius: BorderRadius.circular(buttonRadius),
                          border: Border.all(
                            color: Color(0xFF96FBE9).withOpacity(0.8), // 半透明白色边框
                            width: 1,
                          ),
                          color: Color(0xFF96FBE9).withOpacity(0.3), // 背景色
                        ),
                        child: ElevatedButton(
                          onPressed: onBasicMode,
                          style: ElevatedButton.styleFrom(
                            backgroundColor: Colors.transparent,
                            elevation: 0,
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(buttonRadius),
                            ),
                            padding: EdgeInsets.zero,
                          ),
                          child:  Text(
                            '基本模式',
                            style: TextStyle(
                              color: Color(0xFF96FBE9).withOpacity(0.8), // 半透明白色文字
                              fontSize: 14,
                            ),
                          ),
                        ),
                      ),
                    ),
                    const SizedBox(width: 8),
                    // 同意按钮 - 使用GradientButton组件
                    Expanded(
                      child: SizedBox(
                        height: buttonHeight,
                        child: GradientButton(
                          width: double.infinity,
                          height: buttonHeight,
                          text: '同意',
                          onPressed: onAgree,
                        ),
                      ),
                    ),
                  ],
                ),
              ),
              const SizedBox(height: 24),
            ],
          ),
        ),
      ),
    );
  }
}