neptune_flutter_ui 2.6.0 
neptune_flutter_ui: ^2.6.0 copied to clipboard
neptune.lyNeptune Odyssey Flutter UI — the vendor-neutral, white-label banking design system by Neptune.Fintech. Deterministic brandprints, Material 3 themes, and themed widgets for the four reference brands an [...]
example/lib/main.dart
// © 2026 Neptune.Fintech (neptune.ly) · Neptune Odyssey Community License v1.0
//
// A live components gallery built ONLY from neptune_flutter_ui. Cycle the brand
// (neptune / triton / nereid / proteus), flip light/dark, and toggle RTL to see
// the Arabic faces + direction-aware money figures. Every widget below is themed
// purely from the active NeptuneTheme — swap the brand and the whole gallery
// reskins, byte-identically to the web.
import 'dart:io';
import 'dart:ui' as ui;
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:neptune_flutter_ui/neptune_flutter_ui.dart';
/// Build with `--dart-define=SHOTS=true` to auto-capture the gallery across
/// brands × modes × scroll positions into SHOTS_DIR, then exit — pixel-exact
/// screenshots rendered by the engine itself (no OS screen permissions).
const bool kShots = bool.fromEnvironment('SHOTS');
const String kShotsDir =
String.fromEnvironment('SHOTS_DIR', defaultValue: '/tmp/npt_shots');
void main() => runApp(const ExampleApp());
class ExampleApp extends StatefulWidget {
const ExampleApp({super.key});
@override
State<ExampleApp> createState() => _ExampleAppState();
}
class _ExampleAppState extends State<ExampleApp> {
static const _brands = ['neptune', 'triton', 'nereid', 'proteus'];
int _brandIndex = 0;
ThemeMode _mode = ThemeMode.light;
bool _rtl = false;
final GlobalKey _shotKey = GlobalKey();
final GlobalKey<NavigatorState> _nav = GlobalKey<NavigatorState>();
final ScrollController _scroll = ScrollController();
String get _brand => _brands[_brandIndex];
@override
void initState() {
super.initState();
if (kShots) {
WidgetsBinding.instance.addPostFrameCallback((_) => _runShots());
}
}
// --- SHOTS harness ---------------------------------------------------------
Future<void> _runShots() async {
await Directory(kShotsDir).create(recursive: true);
// Let the first brand's fonts finish loading.
await Future<void>.delayed(const Duration(seconds: 2));
for (var b = 0; b < _brands.length; b++) {
for (final dark in [false, true]) {
setState(() {
_brandIndex = b;
_mode = dark ? ThemeMode.dark : ThemeMode.light;
_rtl = false;
});
await Future<void>.delayed(const Duration(milliseconds: 900));
// Sweep the WHOLE gallery, viewport by viewport.
final maxOff =
_scroll.hasClients ? _scroll.position.maxScrollExtent : 0.0;
for (var off = 0.0; off <= maxOff; off += 760.0) {
if (_scroll.hasClients) _scroll.jumpTo(off.clamp(0.0, maxOff));
await Future<void>.delayed(const Duration(milliseconds: 250));
await _capture(
'$kShotsDir/${_brands[b]}_${dark ? 'dark' : 'light'}_${off.toInt()}.png');
}
}
}
// Welcome / Sign-in template, per brand (light).
for (var b = 0; b < _brands.length; b++) {
setState(() {
_brandIndex = b;
_mode = ThemeMode.light;
_rtl = false;
});
await Future<void>.delayed(const Duration(milliseconds: 600));
_nav.currentState!.push(MaterialPageRoute<void>(
builder: (_) => WelcomeRoute(brand: _brands[b])));
await Future<void>.delayed(const Duration(milliseconds: 900));
await _capture('$kShotsDir/welcome_${_brands[b]}.png');
_nav.currentState!.pop();
await Future<void>.delayed(const Duration(milliseconds: 300));
}
// Arabic/RTL proof (Triton — Reem Kufi / Tajawal).
setState(() {
_brandIndex = 1;
_mode = ThemeMode.light;
_rtl = true;
});
await Future<void>.delayed(const Duration(seconds: 2));
if (_scroll.hasClients) _scroll.jumpTo(0);
await Future<void>.delayed(const Duration(milliseconds: 300));
await _capture('$kShotsDir/triton_rtl_0.png');
exit(0);
}
Future<void> _capture(String path) async {
await WidgetsBinding.instance.endOfFrame;
final ro = _shotKey.currentContext?.findRenderObject();
if (ro is! RenderRepaintBoundary) return;
final image = await ro.toImage(pixelRatio: 2);
final data = await image.toByteData(format: ui.ImageByteFormat.png);
if (data != null) {
await File(path).writeAsBytes(data.buffer.asUint8List());
}
}
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
title: 'Neptune Odyssey · Flutter',
theme: NeptuneTheme.light(_brand, arabic: _rtl),
darkTheme: NeptuneTheme.dark(_brand, arabic: _rtl),
themeMode: _mode,
navigatorKey: _nav,
// The capture boundary + direction wrap the NAVIGATOR so pushed routes
// (e.g. the Welcome template) are captured and mirror under RTL too.
builder: (context, child) => RepaintBoundary(
key: _shotKey,
child: Directionality(
textDirection: _rtl ? TextDirection.rtl : TextDirection.ltr,
child: child ?? const SizedBox.shrink(),
),
),
home: GalleryScreen(
brand: _brand,
rtl: _rtl,
controller: _scroll,
onCycleBrand: () =>
setState(() => _brandIndex = (_brandIndex + 1) % _brands.length),
onToggleMode: () => setState(() =>
_mode = _mode == ThemeMode.light ? ThemeMode.dark : ThemeMode.light),
onToggleRtl: () => setState(() => _rtl = !_rtl),
),
);
}
}
/// The Welcome / Sign-in template route, brand-aware.
class WelcomeRoute extends StatelessWidget {
final String brand;
const WelcomeRoute({super.key, required this.brand});
@override
Widget build(BuildContext context) {
final name = brand[0].toUpperCase() + brand.substring(1);
return Scaffold(
body: NeptuneWelcome(
brandInitial: name[0],
brandName: name,
title: 'Banking that',
emphasis: 'moves with you.',
supporting:
'One account, every currency — send, spend and save across borders, beautifully.',
primaryAction: NeptuneCta(
label: 'Get started',
arrow: true,
onPressed: () => Navigator.of(context).maybePop(),
),
secondaryAction: NeptuneCta(
label: 'I already have an account',
tonal: true,
onPressed: () => Navigator.of(context).maybePop(),
),
),
);
}
}
class GalleryScreen extends StatefulWidget {
final String brand;
final bool rtl;
final VoidCallback onCycleBrand;
final VoidCallback onToggleMode;
final VoidCallback onToggleRtl;
final ScrollController? controller;
const GalleryScreen({
super.key,
required this.brand,
required this.rtl,
required this.onCycleBrand,
required this.onToggleMode,
required this.onToggleRtl,
this.controller,
});
@override
State<GalleryScreen> createState() => _GalleryScreenState();
}
class _GalleryScreenState extends State<GalleryScreen> {
int _dock = 0;
int _rail = 0;
bool _frozen = false;
bool _canApprove = true;
// 2.4.0 widget-set demo state
int _seg = 0;
int _tab = 0;
int _page = 1;
int _qty = 2;
bool _check = true;
bool _switch = true;
double _slider = 0.4;
double _rating = 4;
int _radio = 1;
String _currency = 'LYD';
@override
Widget build(BuildContext context) {
final scheme = Theme.of(context).colorScheme;
final text = Theme.of(context).textTheme;
return Scaffold(
backgroundColor: scheme.surface,
// Content scrolls UNDER the floating dock so its glass blur reads.
extendBody: true,
body: SafeArea(
bottom: false,
child: Column(
children: [
NeptuneAppBar(
title: 'Components · ${widget.brand}',
leading: const CircleAvatar(child: Text('NO')),
actions: [
IconButton(
onPressed: widget.onToggleRtl,
tooltip: 'Toggle RTL',
icon: Icon(widget.rtl ? Icons.format_textdirection_r_to_l : Icons.format_textdirection_l_to_r),
),
IconButton(
onPressed: widget.onToggleMode,
tooltip: 'Toggle dark',
icon: const Icon(Icons.brightness_6_outlined),
),
IconButton(
onPressed: widget.onCycleBrand,
tooltip: 'Cycle brand',
icon: const Icon(Icons.palette_outlined),
),
],
),
Expanded(
child: ListView(
controller: widget.controller,
padding: const EdgeInsetsDirectional.fromSTEB(16, 8, 16, 120),
children: [
// ---- Typography ------------------------------------------
_Section(
title: 'Typography',
description: 'Brand display / text faces + tabular money figures',
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Display', style: text.displaySmall),
Text('Headline', style: text.headlineSmall),
Text('Title — the quick brown fox', style: text.titleMedium),
Text('Body — open an account in minutes.', style: text.bodyMedium),
const SizedBox(height: 8),
Text(
'LYD 12,480.50',
style: NeptuneTheme.moneyStyle(context, base: text.headlineMedium)
.copyWith(color: scheme.onSurface),
),
],
),
),
// ---- Cards / finance -------------------------------------
_Section(
title: 'Cards & balances',
child: Column(
children: [
const NeptuneBalanceCard(
label: 'Available balance',
amount: 'LYD 12,480.50',
caption: '•••• 4821',
hero: true,
),
const SizedBox(height: 12),
const Row(
children: [
Expanded(child: NeptuneStatCard(label: 'Income', value: '9,120', unit: 'LYD', delta: '+8.2%')),
SizedBox(width: 12),
Expanded(child: NeptuneStatCard(label: 'Spending', value: '3,540', unit: 'LYD', delta: '-2.1%')),
],
),
const SizedBox(height: 12),
const NeptuneCardArt(
holder: 'LINA ATIYA',
last4: '4821',
expiry: '08/27',
scheme: 'Visa',
selected: true,
),
const SizedBox(height: 12),
NeptuneCardControls(
frozen: _frozen,
onControl: (action) {
if (action == 'freeze') setState(() => _frozen = !_frozen);
showNeptuneToast(context, 'Card action: $action');
},
),
const SizedBox(height: 12),
NeptuneAddCard(onTap: () => showNeptuneToast(context, 'Add a card')),
const SizedBox(height: 12),
const NeptuneAccountTile(
name: 'Everyday',
maskedNumber: '•••• 4821',
balance: 'LYD 12,480.50',
),
],
),
),
// ---- Actions ---------------------------------------------
_Section(
title: 'Actions',
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Wrap(
spacing: 8,
runSpacing: 8,
children: [
NeptuneButton(label: 'Filled', onPressed: () {}),
NeptuneButton(label: 'Tonal', variant: NeptuneButtonStyle.tonal, onPressed: () {}),
NeptuneButton(label: 'Outlined', variant: NeptuneButtonStyle.outlined, icon: Icons.add, onPressed: () {}),
NeptuneButton(label: 'Text', variant: NeptuneButtonStyle.text, onPressed: () {}),
],
),
const SizedBox(height: 12),
NeptuneQuickActions(
actions: [
NeptuneQuickAction(icon: Icons.north_east, label: 'Send', onTap: () {}),
NeptuneQuickAction(icon: Icons.account_balance_wallet_outlined, label: 'Request', onTap: () {}),
NeptuneQuickAction(icon: Icons.qr_code_rounded, label: 'Pay', onTap: () {}),
NeptuneQuickAction(icon: Icons.add_card_outlined, label: 'Top up', onTap: () {}),
],
),
const SizedBox(height: 12),
const Wrap(
spacing: 8,
runSpacing: 8,
children: [
NeptuneChip(label: 'Selected', selected: true),
NeptuneChip(label: 'Default'),
NeptuneStatusChip(label: 'Active', tone: NeptuneStatusTone.success),
NeptuneStatusChip(label: 'Pending', tone: NeptuneStatusTone.warning),
NeptuneStatusChip(label: 'Failed', tone: NeptuneStatusTone.danger),
],
),
const SizedBox(height: 12),
NeptuneCta(
label: 'Get started',
arrow: true,
onPressed: () => Navigator.of(context).push(
MaterialPageRoute<void>(builder: (_) => const _WelcomeScreen()),
),
),
],
),
),
// ---- Money inputs ----------------------------------------
_Section(
title: 'Money inputs',
child: Column(
children: [
const NeptuneAmountInput(value: '1,250.00', currency: 'LYD'),
const SizedBox(height: 12),
const NeptuneCurrencyField(amount: '1,250.00', currency: 'LYD', currencies: ['LYD', 'USD', 'EUR']),
const SizedBox(height: 12),
const NeptuneIbanField(value: 'LY83 0020 0001 2345', valid: true),
const SizedBox(height: 12),
const NeptuneOtpInput(length: 6),
const SizedBox(height: 12),
const NeptunePinInput(length: 4),
const SizedBox(height: 12),
SizedBox(height: 280, child: NeptuneAmountKeypad(onKey: (_) {}, onBackspace: () {})),
],
),
),
// ---- Money movement --------------------------------------
_Section(
title: 'Money movement',
child: Column(
children: [
const NeptuneStepper(steps: ['Amount', 'Review', 'Done'], active: 1),
const SizedBox(height: 12),
const NeptuneTransferReview(
fromLabel: 'Everyday •••• 4821',
toLabel: 'Sara N.',
amount: '250.00',
fee: '0.00',
total: '250.00',
currency: 'LYD',
),
const SizedBox(height: 12),
NeptuneMethodRow(icon: Icons.account_balance, title: 'Bank transfer', subtitle: 'NUMO', selected: true, onTap: () {}),
NeptuneBeneficiaryTile(name: 'Sara Nuri', account: '•••• 7390', selected: true, onTap: () {}),
const SizedBox(height: 12),
const NeptuneSuccess(title: 'Sent!', amount: 'LYD 250.00', subtitle: 'To Sara N.'),
const SizedBox(height: 12),
NeptuneReceipt(
title: 'Receipt',
rows: const [
(label: 'Amount', value: 'LYD 250.00'),
(label: 'Fee', value: 'LYD 0.00'),
(label: 'Total', value: 'LYD 250.00'),
],
onShare: () => showNeptuneToast(context, 'Shared receipt'),
),
],
),
),
// ---- Data table + data-viz -------------------------------
const _Section(
title: 'Data table & charts',
child: Column(
children: [
NeptuneDataTable(
caption: 'Recent activity',
columns: [
NeptuneColumn('Merchant'),
NeptuneColumn('Date'),
NeptuneColumn('Amount', numeric: true),
],
rows: [
['Coffee Bar', 'Today', '4.50'],
['Grocery Market', 'Yesterday', '86.40'],
['Salary', 'Sun', '3,200.00'],
],
),
SizedBox(height: 12),
SizedBox(width: double.infinity, height: 56, child: NeptuneSparkline(points: [3, 4, 4, 6, 5, 7, 8])),
SizedBox(height: 12),
Row(
children: [
NeptuneDonut(segments: [3, 2, 1], centerLabel: '6'),
SizedBox(width: 16),
Expanded(child: NeptuneLimitMeter(value: 0.62, label: 'Monthly spend', amount: '620 / 1,000 LYD')),
],
),
SizedBox(height: 12),
Row(
children: [
NeptuneTrend(value: 8.2),
SizedBox(width: 16),
NeptuneTrend(value: 2.1, down: true),
],
),
],
),
),
// ---- Corporate -------------------------------------------
_Section(
title: 'Corporate',
child: Column(
children: [
NeptuneApprovalItem(title: 'Payroll batch', subtitle: '42 payments', amount: 'LYD 18,200', onApprove: () {}, onReject: () {}),
const SizedBox(height: 12),
const NeptuneBatchCard(title: 'June payroll', count: '42', total: 'LYD 18,200', status: 'Pending'),
const SizedBox(height: 12),
const NeptuneAuditRow(actor: 'Lina A.', action: 'Approved transfer', time: '12:04'),
NeptuneUserRow(name: 'Omar K.', role: 'Approver', status: 'Active', onTap: () {}),
NeptunePermissionToggle(
label: 'Can approve',
description: 'Up to LYD 50k',
value: _canApprove,
onChanged: (v) => setState(() => _canApprove = v),
),
const SizedBox(height: 12),
const NeptuneWorkflowStatus(label: 'Review', step: 2, total: 3),
],
),
),
// ---- Wallet / pay ----------------------------------------
_Section(
title: 'Wallet & pay',
child: Column(
children: [
const NeptuneMerchantRow(name: 'Grocery Market', category: 'Card', amount: '-86.40 LYD', time: 'Today'),
const SizedBox(height: 12),
const NeptuneVoucherCard(title: 'Cashback', value: 'LYD 10', code: 'NPT-10', expiry: 'Aug 27'),
const SizedBox(height: 12),
const NeptuneQrPay(amount: 'LYD 45.00', merchant: 'Coffee Bar'),
const SizedBox(height: 12),
NeptuneTopupRow(label: 'Top up', sublabel: 'Card', amount: 'LYD 50', onTap: () {}),
const SizedBox(height: 12),
const Wrap(spacing: 8, children: [NeptuneTierBadge(tier: 'Gold'), NeptuneTierBadge(tier: 'Silver')]),
],
),
),
// ---- Shell & navigation ----------------------------------
_Section(
title: 'Shell & navigation',
child: Column(
children: [
const NeptunePageHeader(title: 'Accounts', subtitle: 'All your money in one place'),
NeptuneToolbar(
start: [IconButton(onPressed: () {}, icon: const Icon(Icons.menu))],
center: const [NeptuneSearchField(hint: 'Search')],
end: [IconButton(onPressed: () {}, icon: const Icon(Icons.tune))],
),
const SizedBox(height: 12),
SizedBox(
height: 280,
child: Row(
children: [
NeptuneNavRail(
selectedIndex: _rail,
onSelect: (i) => setState(() => _rail = i),
items: const [
NeptuneNavRailItem(icon: Icons.home_outlined, selectedIcon: Icons.home, label: 'Home'),
NeptuneNavRailItem(icon: Icons.credit_card, label: 'Cards'),
NeptuneNavRailItem(icon: Icons.bar_chart_outlined, label: 'Stats'),
],
),
const SizedBox(width: 12),
Expanded(
child: NeptuneSideNav(
children: [
NeptuneSideNavItem(icon: Icons.dashboard_outlined, label: 'Dashboard', active: true, onTap: () {}),
NeptuneSideNavItem(
icon: Icons.swap_horiz,
label: 'Transfers',
trailing: const NeptuneStatusChip(label: '3', tone: NeptuneStatusTone.neutral),
onTap: () {},
),
NeptuneSideNavItem(icon: Icons.people_outline, label: 'Beneficiaries', onTap: () {}),
const NeptuneSideNavItem(icon: Icons.settings_outlined, label: 'Settings (disabled)', enabled: false),
],
),
),
],
),
),
],
),
),
// ---- Form fields (2.4.0) ---------------------------------
_Section(
title: 'Form fields',
child: Column(
children: [
const NeptuneTextField(label: 'Full name', hint: 'Lina Atiya', prefixIcon: Icons.person_outline),
const SizedBox(height: 12),
NeptuneSelect<String>(
label: 'Currency',
value: _currency,
options: const [
NeptuneSelectOption(value: 'LYD', label: 'Libyan Dinar', icon: Icons.payments_outlined),
NeptuneSelectOption(value: 'USD', label: 'US Dollar', icon: Icons.attach_money),
NeptuneSelectOption(value: 'EUR', label: 'Euro', icon: Icons.euro),
],
onChanged: (v) => setState(() => _currency = v ?? 'LYD'),
),
const SizedBox(height: 12),
NeptuneStepperInput(value: _qty, label: 'Cards', onChanged: (v) => setState(() => _qty = v)),
const SizedBox(height: 12),
NeptuneDateField(label: 'Expiry', value: DateTime(2027, 8, 1), onChanged: (_) {}),
],
),
),
// ---- Selection controls (2.4.0) --------------------------
_Section(
title: 'Selection controls',
child: Column(
children: [
NeptuneSegmented<int>(
value: _seg,
segments: const [
NeptuneSegment(value: 0, label: 'Day'),
NeptuneSegment(value: 1, label: 'Week'),
NeptuneSegment(value: 2, label: 'Month'),
],
onChanged: (v) => setState(() => _seg = v),
),
const SizedBox(height: 12),
NeptuneCheckboxTile(label: 'Save beneficiary', description: 'Add to your payees', value: _check, onChanged: (v) => setState(() => _check = v)),
const SizedBox(height: 8),
NeptuneRadioGroup<int>(
value: _radio,
options: const [
NeptuneRadioOption(value: 1, label: 'Standard', description: 'Free · 1–2 days'),
NeptuneRadioOption(value: 2, label: 'Priority', description: 'LYD 2 · instant'),
],
onChanged: (v) => setState(() => _radio = v),
),
const SizedBox(height: 8),
Row(
children: [
NeptuneSwitch(value: _switch, onChanged: (v) => setState(() => _switch = v)),
const SizedBox(width: 12),
Text(_switch ? 'Notifications on' : 'Notifications off'),
],
),
const SizedBox(height: 12),
NeptuneSlider(value: _slider, label: 'Monthly limit', onChanged: (v) => setState(() => _slider = v)),
],
),
),
// ---- Navigation & structure (2.4.0) ----------------------
_Section(
title: 'Navigation & structure',
child: Column(
children: [
NeptuneTabs(tabs: const ['Overview', 'Activity', 'Cards'], index: _tab, onChanged: (v) => setState(() => _tab = v)),
const SizedBox(height: 12),
NeptuneBreadcrumbs(crumbs: [NeptuneCrumb('Home', onTap: () {}), NeptuneCrumb('Accounts', onTap: () {}), const NeptuneCrumb('Everyday')]),
const SizedBox(height: 12),
NeptunePagination(page: _page, pageCount: 6, onChanged: (v) => setState(() => _page = v)),
const SizedBox(height: 12),
const NeptuneAccordion(panels: [
NeptuneAccordionPanel(title: 'How are limits calculated?', child: Text('Limits reset on the 1st of each month.'), initiallyExpanded: true),
NeptuneAccordionPanel(title: 'Can I freeze a card?', child: Text('Yes — from the Cards screen, instantly.')),
]),
],
),
),
// ---- Display (2.4.0) -------------------------------------
_Section(
title: 'Display',
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
const NeptuneAvatar(initials: 'LA'),
const SizedBox(width: 12),
const NeptuneAvatarGroup(avatars: [NeptuneAvatar(initials: 'A'), NeptuneAvatar(initials: 'B'), NeptuneAvatar(initials: 'C'), NeptuneAvatar(initials: 'D'), NeptuneAvatar(initials: 'E')]),
const SizedBox(width: 16),
const NeptuneBadge(count: 4, child: Icon(Icons.notifications_outlined)),
const SizedBox(width: 16),
NeptuneTag(label: 'VIP', icon: Icons.star, onRemove: () {}),
],
),
const SizedBox(height: 16),
const NeptuneProgressBar(value: 0.62, label: 'Monthly spend'),
const SizedBox(height: 16),
Row(
children: [
const NeptuneProgressRing(value: 0.72, centerLabel: '72%'),
const SizedBox(width: 20),
NeptuneRating(value: _rating, onChanged: (v) => setState(() => _rating = v.toDouble())),
],
),
const SizedBox(height: 12),
NeptuneListTile(leadingIcon: Icons.account_balance, title: 'Everyday', subtitle: '•••• 4821', trailing: const Icon(Icons.chevron_right), onTap: () {}),
const SizedBox(height: 12),
const NeptuneTimeline(entries: [
NeptuneTimelineEntry(title: 'Transfer created', time: '12:00', done: true),
NeptuneTimelineEntry(title: 'Approved by Omar', time: '12:04', done: true),
NeptuneTimelineEntry(title: 'Awaiting settlement', subtitle: 'Usually within minutes'),
]),
],
),
),
// ---- Overlays (2.4.0) ------------------------------------
_Section(
title: 'Overlays',
child: Wrap(
spacing: 8,
runSpacing: 8,
crossAxisAlignment: WrapCrossAlignment.center,
children: [
NeptuneButton(
label: 'Dialog',
onPressed: () => showNeptuneDialog(
context: context,
title: 'Send LYD 250?',
message: 'To Sara Nuri · •••• 7390',
icon: Icons.north_east,
actions: [
const NeptuneDialogAction(label: 'Cancel'),
NeptuneDialogAction(label: 'Send', primary: true, onPressed: () => showNeptuneToast(context, 'Sent')),
],
),
),
NeptuneButton(
label: 'Bottom sheet',
variant: NeptuneButtonStyle.tonal,
onPressed: () => showNeptuneSheet(
context: context,
title: 'Choose a card',
child: Column(
children: [
NeptuneListTile(leadingIcon: Icons.credit_card, title: 'Everyday debit', subtitle: '•••• 4821', onTap: () => Navigator.of(context).pop()),
NeptuneListTile(leadingIcon: Icons.credit_card, title: 'Travel credit', subtitle: '•••• 6642', onTap: () => Navigator.of(context).pop()),
],
),
),
),
NeptuneMenu(
items: [
NeptuneMenuItem(label: 'Edit', icon: Icons.edit_outlined, onSelected: () {}),
NeptuneMenuItem(label: 'Share', icon: Icons.ios_share, onSelected: () {}),
NeptuneMenuItem(label: 'Delete', icon: Icons.delete_outline, destructive: true, onSelected: () {}),
],
child: const NeptuneButton(label: 'Menu', variant: NeptuneButtonStyle.outlined, icon: Icons.more_horiz, onPressed: null),
),
const NeptuneTooltip(message: 'Protected by Neptune', child: Icon(Icons.verified_user_outlined, size: 28)),
],
),
),
// ---- Fintech (2.4.0) -------------------------------------
_Section(
title: 'Fintech',
child: Column(
children: [
NeptuneInsightCard(
icon: Icons.lightbulb_outline,
title: 'You saved 12% this month',
message: 'Spending is down LYD 480 vs last month. Keep it up.',
actionLabel: 'See breakdown',
onAction: () {},
),
const SizedBox(height: 12),
const NeptuneFxCard(fromCurrency: 'LYD', toCurrency: 'USD', rate: '0.2065', change: '+0.4%'),
const SizedBox(height: 12),
const Row(
children: [
NeptuneBudgetRing(spent: 620, limit: 1000, label: 'Groceries'),
SizedBox(width: 16),
Expanded(child: NeptuneCreditScoreGauge(score: 742, band: 'Very good')),
],
),
const SizedBox(height: 12),
const NeptuneSpendBreakdown(slices: [
NeptuneSpendSlice(label: 'Food', amount: 240, icon: Icons.restaurant),
NeptuneSpendSlice(label: 'Bills', amount: 180, icon: Icons.receipt_long),
NeptuneSpendSlice(label: 'Transport', amount: 96, icon: Icons.directions_car),
NeptuneSpendSlice(label: 'Fun', amount: 64, icon: Icons.celebration),
]),
],
),
),
// ---- Motion & templates (2.6.0) --------------------------
_Section(
title: 'Motion & templates',
description: 'Hourglass → outcome motion · animated CTA · Welcome',
child: Column(
children: [
const Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
NeptuneStatusMotion(status: NeptuneFlowStatus.loading, size: 84),
NeptuneStatusMotion(status: NeptuneFlowStatus.success, size: 84),
NeptuneStatusMotion(status: NeptuneFlowStatus.rejected, size: 84),
],
),
const SizedBox(height: 16),
NeptuneCta(
label: 'Get started',
arrow: true,
onPressed: () {},
),
const SizedBox(height: 10),
NeptuneCta(
label: 'I already have an account',
tonal: true,
onPressed: () {},
),
const SizedBox(height: 12),
NeptuneButton(
label: 'Open Welcome / Sign-in template',
variant: NeptuneButtonStyle.outlined,
icon: Icons.smartphone,
onPressed: () => Navigator.of(context).push(
MaterialPageRoute<void>(
builder: (_) => WelcomeRoute(brand: widget.brand),
),
),
),
],
),
),
// ---- Feedback --------------------------------------------
_Section(
title: 'Feedback',
child: Column(
children: [
const NeptuneAlert(message: 'Transfer completed.', tone: NeptuneAlertTone.success, title: 'Done'),
const SizedBox(height: 12),
const NeptuneBanner(message: 'Scheduled maintenance tonight.'),
const SizedBox(height: 12),
const NeptuneEmptyState(icon: Icons.inbox_outlined, title: 'Nothing yet', message: 'Your activity will show here.'),
const SizedBox(height: 12),
const NeptuneSkeleton(width: 220),
const SizedBox(height: 12),
NeptuneToast(
message: 'Saved to favourites',
action: TextButton(onPressed: () {}, child: const Text('Undo')),
),
const SizedBox(height: 12),
NeptuneButton(
label: 'Show toast',
variant: NeptuneButtonStyle.tonal,
onPressed: () => showNeptuneToast(
context,
'Transfer sent',
action: TextButton(onPressed: () {}, child: const Text('View')),
),
),
],
),
),
],
),
),
],
),
),
bottomNavigationBar: Padding(
padding: const EdgeInsetsDirectional.fromSTEB(14, 0, 14, 14),
child: NeptuneDock(
items: [
NeptuneDockItem(icon: Icons.home_rounded, label: 'Home', active: _dock == 0, onTap: () => setState(() => _dock = 0)),
NeptuneDockItem(icon: Icons.credit_card, label: 'Cards', active: _dock == 1, onTap: () => setState(() => _dock = 1)),
NeptuneDockItem(icon: Icons.qr_code_rounded, label: 'Pay', active: _dock == 2, onTap: () => setState(() => _dock = 2)),
NeptuneDockItem(icon: Icons.person_outline, label: 'Profile', active: _dock == 3, onTap: () => setState(() => _dock = 3)),
],
),
),
);
}
}
/// A labelled gallery section, themed via NeptuneSection.
class _Section extends StatelessWidget {
final String title;
final String? description;
final Widget child;
const _Section({required this.title, this.description, required this.child});
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsetsDirectional.only(bottom: 8),
child: NeptuneSection(title: title, description: description, child: child),
);
}
}
/// The onboarding / get-started hero, built from NeptuneOnboarding + NeptuneCta.
class _WelcomeScreen extends StatelessWidget {
const _WelcomeScreen();
@override
Widget build(BuildContext context) {
final text = Theme.of(context).textTheme;
final scheme = Theme.of(context).colorScheme;
return Scaffold(
body: SafeArea(
child: NeptuneOnboarding(
eyebrow: 'NEPTUNE ODYSSEY',
headline: RichText(
text: TextSpan(
style: text.displaySmall?.copyWith(color: scheme.onSurface),
children: [
const TextSpan(text: 'Your money,\n'),
TextSpan(
text: 'everywhere you are.',
style: TextStyle(color: scheme.primary, fontWeight: FontWeight.w800),
),
],
),
),
supporting: 'Open an account in minutes. Send, spend and save across borders — beautifully.',
steps: 3,
activeStep: 0,
cta: NeptuneCta(
label: 'Get started',
arrow: true,
onPressed: () => Navigator.of(context).pop(),
),
),
),
);
}
}Metadata
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Neptune Odyssey Flutter UI — the vendor-neutral, white-label banking design system by Neptune.Fintech. Deterministic brandprints, Material 3 themes, and themed widgets for the four reference brands and any custom seed.
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