Files
velocity-pay-flutter/lib/screens/home/home_screen.dart
2025-06-26 14:43:25 +02:00

329 lines
13 KiB
Dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:qpay/screens/home/home_controller.dart';
import 'package:skeletonizer/skeletonizer.dart';
import 'dart:async';
class HomeScreen extends StatefulWidget {
const HomeScreen({super.key});
@override
State<HomeScreen> createState() => _HomeScreenState();
}
class _HomeScreenState extends State<HomeScreen>
with SingleTickerProviderStateMixin {
late AnimationController _controller;
late final Animation<AlignmentGeometry> _alignAnimation;
final List<Animation<Offset>> _animations = [];
final List<Animation<Offset>> _alignListAnimations = [];
late final bool _enabled = true;
late bool _loading = true;
Timer? _loadingTimer;
bool get _isLoggedIn => true;
final HomeController homeController = HomeController();
@override
void initState() {
super.initState();
homeController.getCategories();
_controller = AnimationController(
duration: const Duration(milliseconds: 600),
vsync: this,
)..forward();
_alignAnimation = Tween<AlignmentGeometry>(
begin: Alignment.centerLeft,
end: Alignment.center,
).animate(CurvedAnimation(parent: _controller, curve: Curves.easeOut));
List tranListIndices = [0, 1];
for (int i = 0; i < tranListIndices.length; i++) {
_alignListAnimations.add(
Tween<Offset>(begin: Offset(0, -0.25), end: Offset.zero).animate(
CurvedAnimation(
parent: _controller,
curve: Interval(0.075 * i, 1.0, curve: Curves.easeOut),
),
),
);
}
List buttonIndices = [0, 1, 2];
for (int i = 0; i < buttonIndices.length; i++) {
_animations.add(
Tween<Offset>(begin: Offset(-0.15, 0), end: Offset.zero).animate(
CurvedAnimation(
parent: _controller,
curve: Interval(0.075 * i, 1.0, curve: Curves.easeOut),
),
),
);
}
// Simulate a delay to mimic loading state
_loadingTimer = Timer(const Duration(seconds: 1), () {
if (mounted) {
setState(() {
_loading = false;
});
}
});
}
void _showErrorSnackBar(String? message) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(message.toString()),
behavior: SnackBarBehavior.floating,
),
);
}
int _getCategoryIndex(String name) {
return homeController.model.categories.indexWhere((e) => e.name == name);
}
bool _isCategoryOdd(String name) {
return _getCategoryIndex(name) % 2 != 0;
}
@override
void dispose() {
_loadingTimer?.cancel();
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final VoidCallback? onPressed = _enabled ? () {} : null;
return Scaffold(
body: SafeArea(
child: CustomScrollView(
slivers: [
SliverAppBar(
floating: true,
title: Image(image: AssetImage('assets/icon.png'), width: 85),
actions: [
IconButton(
icon: const Icon(Icons.notifications_outlined),
onPressed: () {},
),
],
),
SliverToBoxAdapter(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (_isLoggedIn)
AlignTransition(
alignment: _alignAnimation,
child: Skeletonizer(
enabled: _loading,
child: Column(
children: [
Text(
"Vusumuzi Khoza",
style: TextStyle(fontSize: 15),
),
Text(
"USD 4.02",
style: TextStyle(
fontSize: 30,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 20),
],
),
),
),
ListenableBuilder(
listenable: homeController,
builder: (context, child) {
if (homeController.model.errorMessage != null) {
WidgetsBinding.instance.addPostFrameCallback((_) {
_showErrorSnackBar(
homeController.model.errorMessage,
);
});
}
return Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
...homeController.model.categories.map(
(e) => Skeletonizer(
enabled: homeController.model.isLoading,
child: SlideTransition(
position: _animations[0],
child: FilledButton(
style: ButtonStyle(
backgroundColor:
WidgetStateProperty.all(
_isCategoryOdd(e.name)
? Theme.of(context)
.colorScheme
.secondary
.withValues(alpha: 0.9)
: Theme.of(context)
.colorScheme
.primary
.withValues(alpha: 0.9),
),
padding: WidgetStateProperty.all(
const EdgeInsets.symmetric(
vertical: 17.5,
horizontal: 30,
),
),
),
onPressed: onPressed,
child: Row(
children: [
Icon(
Icons.electric_bolt,
color: Colors.white,
),
const SizedBox(width: 8),
Text(
e.name,
style: TextStyle(
color: Colors.white,
fontWeight: FontWeight.bold,
),
),
],
),
),
),
),
),
],
),
homeController.model.categories.isNotEmpty
? const SizedBox(height: 30)
: SizedBox(),
],
);
},
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text(
'Recent Activity',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
GestureDetector(
onTap: () {
context.go('/history');
},
child: const Text(
'View All',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.normal,
),
),
),
],
),
const SizedBox(height: 20),
Skeletonizer(
enabled: _loading,
child: ListView(
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
children: [
SlideTransition(
position: _alignListAnimations[0],
child: ListTile(
leading: Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.primary.withValues(alpha: 0.1),
shape: BoxShape.circle,
),
child: Icon(
Icons.electric_bolt,
color: Theme.of(context).colorScheme.primary,
),
),
title: Text(
'Electricity Bill',
style: TextStyle(fontWeight: FontWeight.bold),
),
subtitle: Text(
'Paid USD 50.00',
style: TextStyle(fontWeight: FontWeight.normal),
),
trailing: Text(
'-USD 50.00',
style: TextStyle(
color: Colors.red,
fontWeight: FontWeight.bold,
),
),
),
),
SlideTransition(
position: _alignListAnimations[1],
child: ListTile(
leading: Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.primary.withValues(alpha: 0.1),
shape: BoxShape.circle,
),
child: Icon(
Icons.phone_android,
color: Theme.of(context).colorScheme.primary,
),
),
title: Text(
'Airtime Purchase',
style: TextStyle(fontWeight: FontWeight.bold),
),
subtitle: Text(
'Purchased USD 10.00',
style: TextStyle(fontWeight: FontWeight.normal),
),
trailing: Text(
'-USD 10.00',
style: TextStyle(
color: Colors.red,
fontWeight: FontWeight.bold,
),
),
),
),
],
),
),
],
),
),
),
],
),
),
);
}
}