core_kit 1.0.7+6 
core_kit: ^1.0.7+6 copied to clipboard
CoreKit (core_kit) — Flutter UI kit with responsive scaling, Dio HTTP, JWT auth, secure storage, and 35+ widgets.
/// CoreKit example app.
///
/// This file demonstrates the main features of the core_kit package
/// as documented in the README, including:
/// - [CoreKit] bootstrap with [CoreKitConfig]
/// - [CkButton], [CkText], [CkTextField], [CkImage]
/// - [CkTransport] for HTTP requests
/// - [CkSnackBar] overlays
/// - [CkStorage] secure key-value storage
/// - [CkListView] with pagination
/// - Responsive layout extensions (.w, .h, .sp)
// ignore_for_file: avoid_print
import 'package:core_kit/core_kit.dart';
import 'package:core_kit/network/request_input.dart';
import 'package:flutter/material.dart';
// ── App entry point ────────────────────────────────────────────────────────
void main() => runApp(const CoreKitExampleApp());
// ── Config ─────────────────────────────────────────────────────────────────
/// Minimal [CoreKitConfig] implementation using JSONPlaceholder as demo API.
class AppConfig extends CoreKitConfig {
@override
String get imageBaseUrl => 'https://picsum.photos/';
@override
CkTransportConfig get ckTransportConfig => CkTransportConfig(
baseUrl: 'https://jsonplaceholder.typicode.com',
refreshTokenEndpoint: '/auth/refresh',
enableDebugLogs: true,
);
@override
Widget? get preInitChild => const Scaffold(
body: Center(child: CircularProgressIndicator()),
);
// Disable the 3 s splash delay in this demo so we reach the UI quickly.
@override
int get splashDelayMs => 0;
}
// ── Root widget ────────────────────────────────────────────────────────────
class CoreKitExampleApp extends StatelessWidget {
const CoreKitExampleApp({super.key});
static final GlobalKey<NavigatorState> _nav = GlobalKey<NavigatorState>();
@override
Widget build(BuildContext context) {
return CoreKit(
navigatorKey: _nav,
config: AppConfig(),
title: 'CoreKit Example',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: const Color(0xFF6750A4)),
useMaterial3: true,
),
home: const _HomePage(),
debugShowCheckedModeBanner: false,
);
}
}
// ── Home page ──────────────────────────────────────────────────────────────
class _HomePage extends StatelessWidget {
const _HomePage();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CkAppBar(title: 'CoreKit Demo'),
body: ListView(
padding: EdgeInsets.all(20.w),
children: [
_tile(
context,
icon: Icons.text_fields,
title: 'CkText & CkButton',
page: const _TextButtonPage(),
),
_tile(
context,
icon: Icons.text_format,
title: 'CkTextField & Form',
page: const _FormPage(),
),
_tile(
context,
icon: Icons.image,
title: 'CkImage',
page: const _ImagePage(),
),
_tile(
context,
icon: Icons.http,
title: 'CkTransport (HTTP)',
page: const _TransportPage(),
),
_tile(
context,
icon: Icons.storage,
title: 'CkStorage',
page: const _StoragePage(),
),
_tile(
context,
icon: Icons.list,
title: 'CkListView (pagination)',
page: const _ListPage(),
),
_tile(
context,
icon: Icons.straighten,
title: 'Responsive layout (.w / .h / .sp)',
page: const _ResponsivePage(),
),
],
),
);
}
Widget _tile(
BuildContext context, {
required IconData icon,
required String title,
required Widget page,
}) {
return Card(
margin: EdgeInsets.symmetric(vertical: 6.h),
child: ListTile(
leading: Icon(icon, color: Theme.of(context).colorScheme.primary),
title: CkText(text: title, textAlign: TextAlign.left),
trailing: Icon(Icons.arrow_forward_ios, size: 14.sp),
onTap: () => Navigator.push(
context,
MaterialPageRoute(builder: (_) => page),
),
),
);
}
}
// ── CkText & CkButton ──────────────────────────────────────────────────────
class _TextButtonPage extends StatelessWidget {
const _TextButtonPage();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CkAppBar(title: 'CkText & CkButton'),
body: Padding(
padding: EdgeInsets.all(20.w),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
const CkText(text: 'Body text using CkText'),
8.height,
const CkText(
text: 'Bold headline',
fontSize: 24,
fontWeight: FontWeight.bold,
),
8.height,
const CkText(
text: 'Coloured text',
fontSize: 16,
textColor: Color(0xFF6750A4),
),
20.height,
CkButton(
titleText: 'Success snackbar',
onTap: () => CkSnackBar(
'CoreKit is ready! ✅',
type: CkSnackBarType.success,
),
),
12.height,
CkButton(
titleText: 'Error snackbar',
buttonColor: Colors.red,
onTap: () => CkSnackBar(
'Something went wrong ❌',
type: CkSnackBarType.error,
),
),
12.height,
CkButton(
titleText: 'Loading state',
isLoading: true,
onTap: () {},
),
12.height,
CkButton(
titleText: 'Gradient button',
gradient: const LinearGradient(
colors: [Color(0xFF6750A4), Color(0xFF03DAC6)],
),
onTap: () => CkSnackBar('Gradient!', type: CkSnackBarType.info),
),
],
),
),
);
}
}
// ── CkTextField & Form ─────────────────────────────────────────────────────
class _FormPage extends StatefulWidget {
const _FormPage();
@override
State<_FormPage> createState() => _FormPageState();
}
class _FormPageState extends State<_FormPage> {
final _formKey = GlobalKey<FormState>();
String _email = '';
// ignore: unused_field
String _password = '';
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CkAppBar(title: 'CkTextField & Form'),
body: Padding(
padding: EdgeInsets.all(20.w),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
CkTextField(
validationType: CkValidationType.validateEmail,
labelText: 'Email',
hintText: 'user@example.com',
onSaved: (v, _) => _email = v,
),
12.height,
CkTextField(
validationType: CkValidationType.validatePassword,
labelText: 'Password',
hintText: '••••••••',
onSaved: (v, _) => _password = v,
),
20.height,
CkButton(
titleText: 'Submit',
onTap: () {
if (_formKey.currentState?.validate() ?? false) {
_formKey.currentState?.save();
CkSnackBar(
'Valid — email: $_email',
type: CkSnackBarType.success,
);
} else {
CkSnackBar(
'Fix the errors above',
type: CkSnackBarType.error,
);
}
},
),
],
),
),
),
);
}
}
// ── CkImage ────────────────────────────────────────────────────────────────
class _ImagePage extends StatelessWidget {
const _ImagePage();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CkAppBar(title: 'CkImage'),
body: ListView(
padding: EdgeInsets.all(20.w),
children: [
const CkText(text: 'Network URL (absolute)', textAlign: TextAlign.left),
8.height,
const CkImage(
src: 'https://picsum.photos/seed/a/600/300',
width: double.infinity,
height: 160,
borderRadius: 12,
),
16.height,
const CkText(text: 'Grayscale', textAlign: TextAlign.left),
8.height,
const CkImage(
src: 'https://picsum.photos/seed/b/600/300',
width: double.infinity,
height: 160,
borderRadius: 12,
enableGrayscale: true,
),
16.height,
const CkText(text: 'Fixed size with border', textAlign: TextAlign.left),
8.height,
Center(
child: CkImage(
src: 'https://picsum.photos/seed/c/200/200',
size: 120,
borderRadius: 60,
borderWidth: 3,
borderColor: Theme.of(context).colorScheme.primary,
),
),
],
),
);
}
}
// ── CkTransport ────────────────────────────────────────────────────────────
class _TransportPage extends StatefulWidget {
const _TransportPage();
@override
State<_TransportPage> createState() => _TransportPageState();
}
class _TransportPageState extends State<_TransportPage> {
CkResponse<Map<String, dynamic>?>? _response;
bool _loading = false;
Future<void> _fetchGet() async {
setState(() {
_loading = true;
_response = null;
});
// GET request — mirrors README section "Transport (HTTP)"
final res = await CkTransport.request<Map<String, dynamic>>(
input: RequestInput(
endpoint: '/posts/1',
method: RequestMethod.GET,
),
responseBuilder: (data) => data is Map<String, dynamic> ? data : null,
);
setState(() {
_loading = false;
_response = res;
});
}
Future<void> _fetchPost() async {
setState(() {
_loading = true;
_response = null;
});
// POST with JSON body — mirrors README "POST with JSON body"
final res = await CkTransport.request<Map<String, dynamic>>(
input: RequestInput(
endpoint: '/posts',
method: RequestMethod.POST,
jsonBody: {'title': 'CoreKit demo', 'body': 'Hello!', 'userId': 1},
),
responseBuilder: (data) => data is Map<String, dynamic> ? data : null,
);
setState(() {
_loading = false;
_response = res;
});
}
@override
Widget build(BuildContext context) {
final res = _response;
return Scaffold(
appBar: const CkAppBar(title: 'CkTransport (HTTP)'),
body: Padding(
padding: EdgeInsets.all(20.w),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
CkButton(
titleText: 'GET /posts/1',
isLoading: _loading,
onTap: _fetchGet,
),
12.height,
CkButton(
titleText: 'POST /posts',
isLoading: _loading,
buttonColor: const Color(0xFF018786),
onTap: _fetchPost,
),
if (res != null) ...[
20.height,
Container(
padding: EdgeInsets.all(12.w),
decoration: BoxDecoration(
color: res.isSuccess
? Colors.green.shade50
: Colors.red.shade50,
borderRadius: BorderRadius.circular(8.r),
border: Border.all(
color: res.isSuccess ? Colors.green : Colors.red,
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
CkText(
text: 'Status ${res.statusCode} · '
'${res.isSuccess ? "✅ isSuccess" : "❌ failed"}',
fontWeight: FontWeight.bold,
textAlign: TextAlign.left,
),
6.height,
CkText(
text: res.data?.toString() ?? res.message ?? '—',
maxLines: 8,
overflow: TextOverflow.ellipsis,
textAlign: TextAlign.left,
),
],
),
),
],
],
),
),
);
}
}
// ── CkStorage ──────────────────────────────────────────────────────────────
class _StoragePage extends StatefulWidget {
const _StoragePage();
@override
State<_StoragePage> createState() => _StoragePageState();
}
class _StoragePageState extends State<_StoragePage> {
String? _readValue;
Future<void> _write() async {
await CkStorage.write('demo_key', 'hello_core_kit_${DateTime.now().second}');
CkSnackBar('Written ✅', type: CkSnackBarType.success);
}
Future<void> _read() async {
final v = await CkStorage.read('demo_key');
setState(() => _readValue = v);
CkSnackBar('Read: $v', type: CkSnackBarType.info);
}
Future<void> _delete() async {
await CkStorage.delete('demo_key');
setState(() => _readValue = null);
CkSnackBar('Deleted 🗑️', type: CkSnackBarType.warning);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CkAppBar(title: 'CkStorage'),
body: Padding(
padding: EdgeInsets.all(20.w),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
CkButton(titleText: 'write("demo_key", …)', onTap: _write),
12.height,
CkButton(titleText: 'read("demo_key")', onTap: _read),
12.height,
CkButton(
titleText: 'delete("demo_key")',
buttonColor: Colors.red,
onTap: _delete,
),
if (_readValue != null) ...[
20.height,
Container(
padding: EdgeInsets.all(12.w),
decoration: BoxDecoration(
color: Colors.blue.shade50,
borderRadius: BorderRadius.circular(8.r),
border: Border.all(color: Colors.blue.shade200),
),
child: CkText(
text: 'Stored value: $_readValue',
textAlign: TextAlign.left,
),
),
],
],
),
),
);
}
}
// ── CkListView (pagination) ────────────────────────────────────────────────
class _ListPage extends StatefulWidget {
const _ListPage();
@override
State<_ListPage> createState() => _ListPageState();
}
class _ListPageState extends State<_ListPage> {
final _items = <Map<String, dynamic>>[];
bool _loading = false;
bool _loadDone = false;
Future<void> _fetch(int page) async {
setState(() => _loading = true);
// JSONPlaceholder returns 100 posts; we fake pagination with _start/_limit.
final res = await CkTransport.request<List<Map<String, dynamic>>>(
input: RequestInput(
endpoint: '/posts',
method: RequestMethod.GET,
queryParams: {'_start': (page - 1) * 10, '_limit': 10},
requiresToken: false,
),
responseBuilder: (data) => data is List
? data.whereType<Map<String, dynamic>>().toList()
: null,
);
if (res.isSuccess && res.data != null) {
setState(() {
if (page == 1) _items.clear();
_items.addAll(res.data!);
_loadDone = res.data!.length < 10;
_loading = false;
});
} else {
setState(() => _loading = false);
CkSnackBar(res.message ?? 'Request failed', type: CkSnackBarType.error);
}
}
@override
void initState() {
super.initState();
_fetch(1);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CkAppBar(title: 'CkListView (pagination)'),
body: CkListView(
itemCount: _items.length,
isLoading: _loading,
isLoadDone: _loadDone,
onRefresh: () => _fetch(1),
onLoadMore: (page) => _fetch(page),
emptyWidget: const Center(
child: CkText(text: 'No posts'),
),
itemBuilder: (context, index) {
final post = _items[index];
return Card(
margin: EdgeInsets.symmetric(horizontal: 16.w, vertical: 6.h),
child: ListTile(
leading: CircleAvatar(
child: CkText(text: '${post['id']}'),
),
title: CkText(
text: post['title'] ?? '',
maxLines: 1,
overflow: TextOverflow.ellipsis,
textAlign: TextAlign.left,
),
subtitle: CkText(
text: post['body'] ?? '',
maxLines: 2,
overflow: TextOverflow.ellipsis,
textAlign: TextAlign.left,
),
),
);
},
),
);
}
}
// ── Responsive layout ──────────────────────────────────────────────────────
class _ResponsivePage extends StatelessWidget {
const _ResponsivePage();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CkAppBar(title: 'Responsive layout'),
body: Padding(
padding: EdgeInsets.all(20.w),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const CkText(
text: 'Widths / heights / font-sizes below scale automatically '
'relative to the design size (428 × 926).',
textColor: Colors.grey,
textAlign: TextAlign.left,
),
20.height,
Container(
width: 200.w,
height: 60.h,
color: const Color(0xFF6750A4),
alignment: Alignment.center,
child: const CkText(
text: '200.w × 60.h',
textColor: Colors.white,
fontSize: 14,
),
),
20.height,
Container(
width: 300.w,
height: 60.h,
color: const Color(0xFF03DAC6),
alignment: Alignment.center,
child: const CkText(
text: '300.w × 60.h',
fontSize: 16,
),
),
20.height,
const CkText(
text: 'Font at 24.sp',
fontSize: 24,
fontWeight: FontWeight.bold,
textAlign: TextAlign.left,
),
12.height,
const CkText(
text: 'Font at 14.sp',
fontSize: 14,
textAlign: TextAlign.left,
),
],
),
),
);
}
}Metadata
11
likes
140
points
376
downloads
Documentation
Publisher
unverified uploader
Weekly Downloads
Metadata
CoreKit (core_kit) — Flutter UI kit with responsive scaling, Dio HTTP, JWT auth, secure storage, and 35+ widgets.
Repository (GitHub)
View/report issues
Topics
#ui #widget #networking #authentication #responsive
License
MIT (license)
Dependencies
android_id, cached_network_image, dio, file_picker, flutter, flutter_country_state, flutter_html, flutter_reorderable_grid_view, flutter_secure_storage, flutter_svg, http, http_parser, image_picker, intl, intl_phone_field_v2, path, path_provider, permission_handler, share_plus, shared_preferences, skeletonizer, universal_io, uuid