310 lines
10 KiB
Dart
310 lines
10 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:flutter_animate/flutter_animate.dart';
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import 'package:conduit/l10n/app_localizations.dart';
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import '../../../core/providers/app_providers.dart';
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import '../../../core/utils/user_display_name.dart';
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import '../../../shared/theme/theme_extensions.dart';
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import '../../../shared/widgets/sheet_handle.dart';
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class OnboardingSheet extends ConsumerStatefulWidget {
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const OnboardingSheet({super.key});
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@override
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ConsumerState<OnboardingSheet> createState() => _OnboardingSheetState();
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}
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class _OnboardingSheetState extends ConsumerState<OnboardingSheet> {
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final PageController _controller = PageController();
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int _index = 0;
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void _next(int pageCount) {
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if (_index < pageCount - 1) {
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_controller.nextPage(
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duration: AnimationDuration.fast,
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curve: AnimationCurves.easeInOut,
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);
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} else {
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Navigator.pop(context);
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}
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}
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List<_OnboardingPage> _buildPages(
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AppLocalizations l10n,
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String greetingName,
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) {
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return [
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_OnboardingPage(
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title: l10n.onboardStartTitle(greetingName),
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subtitle: l10n.onboardStartSubtitle,
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icon: CupertinoIcons.chat_bubble_2,
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bullets: [l10n.onboardStartBullet1, l10n.onboardStartBullet2],
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),
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_OnboardingPage(
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title: l10n.onboardAttachTitle,
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subtitle: l10n.onboardAttachSubtitle,
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icon: CupertinoIcons.doc_on_doc,
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bullets: [l10n.onboardAttachBullet1, l10n.onboardAttachBullet2],
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),
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_OnboardingPage(
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title: l10n.onboardSpeakTitle,
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subtitle: l10n.onboardSpeakSubtitle,
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icon: CupertinoIcons.mic_fill,
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bullets: [l10n.onboardSpeakBullet1, l10n.onboardSpeakBullet2],
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),
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_OnboardingPage(
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title: l10n.onboardQuickTitle,
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subtitle: l10n.onboardQuickSubtitle,
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icon: CupertinoIcons.line_horizontal_3,
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bullets: [l10n.onboardQuickBullet1, l10n.onboardQuickBullet2],
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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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final height = MediaQuery.of(context).size.height;
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final l10n = AppLocalizations.of(context)!;
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final currentUserAsync = ref.watch(currentUserProvider);
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final userFromProfile = currentUserAsync.maybeWhen(
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data: (user) => user,
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orElse: () => null,
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);
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final user = userFromProfile;
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final greetingName = deriveUserDisplayName(user);
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final pages = _buildPages(l10n, greetingName);
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final pageCount = pages.length;
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return Container(
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height: height * 0.7,
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decoration: BoxDecoration(
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color: context.conduitTheme.surfaceBackground,
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borderRadius: const BorderRadius.vertical(
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top: Radius.circular(AppBorderRadius.modal),
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),
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boxShadow: ConduitShadows.modal(context),
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),
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child: SafeArea(
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child: Padding(
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padding: const EdgeInsets.all(Spacing.lg),
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child: Column(
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children: [
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// Handle bar (standardized)
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const SheetHandle(),
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Expanded(
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child: PageView.builder(
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controller: _controller,
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itemCount: pageCount,
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onPageChanged: (i) => setState(() => _index = i),
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itemBuilder: (context, i) {
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final page = pages[i];
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final content = _IllustratedPage(page: page);
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// Ensure content can scroll vertically when space is tight,
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// while keeping it centered when there is enough space.
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return LayoutBuilder(
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builder: (context, constraints) {
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final centered = ConstrainedBox(
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constraints: BoxConstraints(
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minHeight: constraints.maxHeight,
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),
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child: Center(child: content),
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);
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return SingleChildScrollView(
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physics: const ClampingScrollPhysics(),
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child: centered,
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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 SizedBox(height: Spacing.md),
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: List.generate(pageCount, (i) {
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final active = i == _index;
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return AnimatedContainer(
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duration: AnimationDuration.fast,
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margin: const EdgeInsets.symmetric(horizontal: 4),
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height: 6,
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width: active ? 20 : 6,
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decoration: BoxDecoration(
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color: active
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? context.conduitTheme.buttonPrimary
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: context.conduitTheme.dividerColor,
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borderRadius: BorderRadius.circular(
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AppBorderRadius.badge,
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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(height: Spacing.lg),
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Row(
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children: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: Text(
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l10n.skip,
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style: TextStyle(
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color: context.conduitTheme.textSecondary,
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),
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),
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),
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const Spacer(),
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FilledButton(
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onPressed: () => _next(pageCount),
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style: FilledButton.styleFrom(
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backgroundColor: context.conduitTheme.buttonPrimary,
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foregroundColor: context.conduitTheme.buttonPrimaryText,
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padding: const EdgeInsets.symmetric(
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horizontal: Spacing.lg,
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vertical: Spacing.sm,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(
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AppBorderRadius.button,
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),
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),
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),
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child: Text(
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_index == pageCount - 1 ? l10n.done : l10n.next,
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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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class _OnboardingPage {
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final String title;
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final String subtitle;
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final IconData icon;
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final List<String>? bullets;
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const _OnboardingPage({
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required this.title,
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required this.subtitle,
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required this.icon,
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this.bullets,
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});
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}
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class _IllustratedPage extends StatelessWidget {
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final _OnboardingPage page;
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const _IllustratedPage({required this.page});
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@override
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Widget build(BuildContext context) {
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return Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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// Aurora blob illustration
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SizedBox(
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height: 160,
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child: Stack(
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alignment: Alignment.center,
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children: [
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Positioned(top: 10, left: 24, child: _blob(context, 90, 0.18)),
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Positioned(
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bottom: 0,
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right: 16,
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child: _blob(context, 130, 0.12),
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),
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Container(
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width: 64,
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height: 64,
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decoration: BoxDecoration(
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color: context.conduitTheme.buttonPrimary,
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borderRadius: BorderRadius.circular(AppBorderRadius.avatar),
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boxShadow: ConduitShadows.glow(context),
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),
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child: Icon(page.icon, color: context.conduitTheme.textInverse),
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).animate().scale(duration: AnimationDuration.fast),
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],
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),
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),
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const SizedBox(height: Spacing.lg),
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Text(
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page.title,
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style: TextStyle(
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fontSize: AppTypography.headlineMedium,
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fontWeight: FontWeight.w700,
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color: context.conduitTheme.textPrimary,
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: Spacing.sm),
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Text(
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page.subtitle,
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style: TextStyle(
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fontSize: AppTypography.bodyLarge,
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color: context.conduitTheme.textSecondary,
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),
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textAlign: TextAlign.center,
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),
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if (page.bullets != null && page.bullets!.isNotEmpty) ...[
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const SizedBox(height: Spacing.md),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: page.bullets!
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.map(
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(b) => Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: Spacing.lg,
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vertical: 4,
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Container(
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width: 6,
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height: 6,
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margin: const EdgeInsets.only(top: 8, right: 8),
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decoration: BoxDecoration(
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color: context.conduitTheme.buttonPrimary,
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shape: BoxShape.circle,
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),
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),
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Expanded(
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child: Text(
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b,
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style: TextStyle(
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color: context.conduitTheme.textSecondary,
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fontSize: AppTypography.bodyMedium,
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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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.toList(),
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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 _blob(BuildContext context, double size, double alpha) {
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return Container(
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width: size,
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height: size,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: context.conduitTheme.buttonPrimary.withValues(alpha: alpha),
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boxShadow: ConduitShadows.glow(context),
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),
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);
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}
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}
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