mobile_adaptive_learning/lib/features/onboarding/screens/onboarding_screen.dart
2024-08-12 09:17:57 +07:00

178 lines
6.2 KiB
Dart

import 'package:english_learning/features/auth/screens/signup_screen.dart';
import 'package:english_learning/features/onboarding/data/onboarding_data.dart';
import 'package:english_learning/features/widgets/gradient_button.dart';
import 'package:flutter/material.dart';
class OnBoardingScreen extends StatefulWidget {
const OnBoardingScreen({super.key});
@override
State<OnBoardingScreen> createState() => _OnBoardingScreenState();
}
class _OnBoardingScreenState extends State<OnBoardingScreen> {
final controller = OnBoardingData();
final PageController _pageController = PageController();
int _currentPage = 0;
@override
void dispose() {
_pageController.dispose();
super.dispose();
}
void _onPageChanged(int index) {
setState(() {
_currentPage = index;
});
}
void _nextPage() {
if (_currentPage < controller.onBoardingData.length - 1) {
_pageController.nextPage(
duration: const Duration(milliseconds: 300),
curve: Curves.easeIn,
);
} else {
// Handle what happens when the onboarding is complete
}
}
void _skipToLastPage() {
_pageController.animateToPage(
controller.onBoardingData.length - 1,
duration: const Duration(milliseconds: 300),
curve: Curves.easeIn,
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Column(
children: [
Expanded(
child: PageView.builder(
controller: _pageController,
onPageChanged: _onPageChanged,
itemCount: controller.onBoardingData.length,
itemBuilder: (context, index) {
final item = controller.onBoardingData[index];
return Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16.0, vertical: 24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const SizedBox(height: 100),
ShaderMask(
shaderCallback: (bounds) => const LinearGradient(
colors: [
Color(0xFF5674ED),
Color(0xFF34C3F9),
],
).createShader(
Rect.fromLTWH(0, 0, bounds.width, bounds.height),
),
child: Text(
item.title,
textAlign: TextAlign.center,
style: const TextStyle(
color: Colors.white,
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
),
const SizedBox(height: 16),
Text(
item.description,
textAlign: TextAlign.center,
style: const TextStyle(
fontSize: 14,
fontWeight: FontWeight.w400,
height: 1.5,
),
),
const Spacer(flex: 2),
Image.asset(
item.image,
width: item.imageWidth,
height: item.imageHeight,
),
const SizedBox(height: 70),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: List.generate(
controller.onBoardingData.length,
(index) => AnimatedContainer(
duration: const Duration(milliseconds: 300),
margin: const EdgeInsets.symmetric(horizontal: 4.0),
height: 8,
width: _currentPage == index ? 24 : 8,
decoration: BoxDecoration(
color: _currentPage == index
? const Color(0xFF34C3F9)
: const Color(0xFFD8D8D8),
borderRadius: BorderRadius.circular(12),
),
),
),
),
const Spacer(
flex: 1), // Added Spacer for better alignment
],
),
);
},
),
),
Padding(
padding:
const EdgeInsets.symmetric(horizontal: 16.0, vertical: 24.0),
child: Column(
children: [
if (_currentPage == controller.onBoardingData.length - 1)
Column(
children: [
GradientButton(
text: 'Sign Up',
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const SignupScreen()),
);
},
),
const SizedBox(height: 48), // Same height as the Spacer
],
)
else
GradientButton(
text: 'Continue',
onPressed: _nextPage,
),
const SizedBox(
height: 16), // Add some space between the buttons
if (_currentPage != controller.onBoardingData.length - 1)
TextButton(
onPressed: _skipToLastPage,
child: const Text(
'Skip',
style: TextStyle(
color: Color(0xFF34C3F9),
),
),
),
],
),
),
const SizedBox(height: 50),
],
),
);
}
}