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421
lib/screens/start_screen.dart
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421
lib/screens/start_screen.dart
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import 'package:flutter/material.dart';
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import 'package:flutter_inappwebview/flutter_inappwebview.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '/audio/audio_manager.dart';
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const String privacyKey = 'privacy_accepted_v1';
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class StartScreen extends StatefulWidget {
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const StartScreen({super.key});
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@override
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State<StartScreen> createState() => _StartScreenState();
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}
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class _StartScreenState extends State<StartScreen>
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with SingleTickerProviderStateMixin {
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bool privacyVisible = false;
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bool privacyConfirmVisible = false;
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bool privacyAccepted = false;
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late final AnimationController _scaleController;
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late final Animation<double> _scaleAnimation;
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@override
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void initState() {
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super.initState();
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_initPrivacyState();
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_playBgm();
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_scaleController = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 900),
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);
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_scaleAnimation = Tween<double>(begin: 1.0, end: 1.08).animate(
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CurvedAnimation(parent: _scaleController, curve: Curves.easeInOut),
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);
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_scaleController.repeat(reverse: true);
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}
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Future<void> _initPrivacyState() async {
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try {
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final prefs = await SharedPreferences.getInstance();
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final v = prefs.getString(privacyKey);
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if (!mounted) return;
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setState(() {
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privacyAccepted = v == '1';
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});
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} catch (_) {}
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}
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Future<void> _playBgm() async {
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try {
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AudioManager.instance.playBgm();
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debugPrint('BGM started');
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} catch (e) {
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debugPrint('Failed to play BGM: $e');
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}
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}
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void goGame() {
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Navigator.of(
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context,
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).pushReplacementNamed('/game', arguments: {'levelId': 1});
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}
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void onStart() {
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if (!privacyAccepted) {
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setState(() {
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privacyConfirmVisible = true;
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});
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return;
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}
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goGame();
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}
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Future<void> onAcceptPrivacy() async {
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try {
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final prefs = await SharedPreferences.getInstance();
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await prefs.setString(privacyKey, '1');
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} catch (_) {}
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if (!mounted) return;
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setState(() {
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privacyAccepted = true;
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privacyConfirmVisible = false;
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});
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goGame();
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}
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@override
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void dispose() {
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_scaleController.dispose();
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super.dispose();
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}
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Widget _buildBackground() {
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return Positioned.fill(
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child: DecoratedBox(
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decoration: const BoxDecoration(color: Colors.black),
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child: Image.asset(
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'assets/images/5523c88dd347d1b7cc617f632b7efdb7.png',
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fit: BoxFit.cover,
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alignment: Alignment.center,
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),
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),
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);
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}
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Widget _buildMainContent() {
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return SafeArea(
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child: SizedBox.expand(
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child: Column(
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children: [
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const Spacer(),
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Padding(
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padding: const EdgeInsets.only(bottom: 48),
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child: ScaleTransition(
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scale: _scaleAnimation,
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child: GestureDetector(
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onTap: onStart,
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child: Image.asset(
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'assets/images/c9f9d7dd806cf4122041837a80f47c64.png',
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width: 260,
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height: 90,
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fit: BoxFit.contain,
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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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Widget _buildPrivacyDialog() {
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return Dialog(
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insetPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 24),
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backgroundColor: Colors.transparent,
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child: ClipRRect(
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borderRadius: BorderRadius.circular(12),
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child: Container(
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color: Colors.white,
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width: double.infinity,
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height: MediaQuery.of(context).size.height * 0.82,
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child: Column(
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children: [
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Container(
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height: 48,
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padding: const EdgeInsets.symmetric(horizontal: 12),
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decoration: const BoxDecoration(
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color: Colors.white,
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border: Border(
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bottom: BorderSide(color: Color(0xFFDDDDDD), width: 0.5),
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),
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),
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child: Row(
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children: [
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const Expanded(
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child: Text(
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'Privacy Policy',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: Colors.black,
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),
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),
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),
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GestureDetector(
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onTap: () {
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setState(() {
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privacyVisible = false;
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});
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},
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child: const Padding(
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padding: EdgeInsets.symmetric(
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vertical: 6,
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horizontal: 10,
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),
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child: Text(
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'Close',
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style: TextStyle(
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fontSize: 14,
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color: Color(0xFF007AFF),
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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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const Expanded(child: _PrivacyInAppWebView()),
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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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Widget _buildPrivacyConfirmDialog() {
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return Center(
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child: Container(
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width: double.infinity,
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constraints: const BoxConstraints(maxWidth: 420),
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margin: const EdgeInsets.symmetric(horizontal: 20),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color.fromRGBO(20, 24, 60, 0.96),
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borderRadius: BorderRadius.circular(18),
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border: Border.all(
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color: const Color.fromRGBO(120, 255, 255, 0.25),
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width: 2,
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),
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boxShadow: const [
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BoxShadow(
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color: Color.fromRGBO(0, 0, 0, 0.35),
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blurRadius: 18,
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offset: Offset(0, 8),
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),
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],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Text(
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'Privacy Notice',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w900,
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color: Colors.white,
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letterSpacing: 1,
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),
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),
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const SizedBox(height: 10),
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const Text(
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'Please read and agree to the Privacy Policy before starting the game.',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 14,
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height: 1.45,
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color: Color.fromRGBO(255, 255, 255, 0.9),
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),
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),
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const SizedBox(height: 10),
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GestureDetector(
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onTap: () {
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setState(() {
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privacyVisible = true;
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});
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},
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child: const Padding(
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padding: EdgeInsets.symmetric(vertical: 8, horizontal: 10),
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child: Text(
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'View Privacy Policy',
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style: TextStyle(
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color: Color(0xFF56F0FF),
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fontSize: 14,
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fontWeight: FontWeight.w800,
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decoration: TextDecoration.underline,
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),
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),
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),
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),
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const SizedBox(height: 12),
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Row(
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children: [
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Expanded(
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child: SizedBox(
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height: 46,
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child: OutlinedButton(
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onPressed: () {
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setState(() {
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privacyConfirmVisible = false;
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});
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},
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style: OutlinedButton.styleFrom(
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backgroundColor: const Color.fromRGBO(
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255,
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255,
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255,
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0.08,
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),
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side: const BorderSide(
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color: Color.fromRGBO(255, 255, 255, 0.18),
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width: 2,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14),
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),
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),
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child: const Text(
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'Cancel',
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style: TextStyle(
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color: Colors.white,
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fontSize: 14,
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fontWeight: FontWeight.w900,
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letterSpacing: 0.5,
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),
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),
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),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: SizedBox(
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height: 46,
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child: OutlinedButton(
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onPressed: onAcceptPrivacy,
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style: OutlinedButton.styleFrom(
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backgroundColor: const Color.fromRGBO(
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50,
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160,
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255,
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0.9,
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),
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side: const BorderSide(
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color: Color.fromRGBO(255, 255, 255, 0.22),
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width: 2,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14),
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),
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),
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child: const Text(
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'Agree & Start',
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style: TextStyle(
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color: Colors.white,
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fontSize: 14,
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fontWeight: FontWeight.w900,
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letterSpacing: 0.5,
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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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],
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),
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),
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);
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}
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Widget _buildPrivacyConfirmOverlay() {
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return Positioned.fill(
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child: ColoredBox(
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color: const Color.fromRGBO(0, 0, 0, 0.65),
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child: SafeArea(child: _buildPrivacyConfirmDialog()),
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),
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);
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}
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Widget _buildPrivacyOverlay() {
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return Positioned.fill(
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child: ColoredBox(
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color: Colors.black54,
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child: SafeArea(child: Center(child: _buildPrivacyDialog())),
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.black,
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body: SizedBox.expand(
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child: Stack(
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fit: StackFit.expand,
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children: [
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_buildBackground(),
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_buildMainContent(),
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if (privacyConfirmVisible) _buildPrivacyConfirmOverlay(),
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if (privacyVisible) _buildPrivacyOverlay(),
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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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class _PrivacyInAppWebView extends StatefulWidget {
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const _PrivacyInAppWebView();
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@override
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State<_PrivacyInAppWebView> createState() => _PrivacyInAppWebViewState();
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}
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class _PrivacyInAppWebViewState extends State<_PrivacyInAppWebView> {
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@override
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Widget build(BuildContext context) {
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return InAppWebView(
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initialSettings: InAppWebViewSettings(
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javaScriptEnabled: true,
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transparentBackground: false,
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supportZoom: true,
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useShouldOverrideUrlLoading: true,
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),
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onWebViewCreated: (controller) async {
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await controller.loadFile(assetFilePath: 'assets/html/privacy.html');
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},
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shouldOverrideUrlLoading: (controller, navigationAction) async {
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return NavigationActionPolicy.ALLOW;
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},
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onLoadStop: (controller, url) async {
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debugPrint('Privacy page loaded: $url');
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},
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onReceivedError: (controller, request, error) {
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debugPrint('Privacy page load error: ${error.description}');
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},
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onConsoleMessage: (controller, consoleMessage) {
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debugPrint('WebView console: ${consoleMessage.message}');
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},
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);
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}
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}
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