NIM_E31222534/Androidnya/lib/screens/splash.dart

251 lines
8.6 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:posyandu/screens/auth/login_screen.dart';
class SplashScreen extends StatefulWidget {
@override
_SplashScreenState createState() => _SplashScreenState();
}
class _SplashScreenState extends State<SplashScreen> with SingleTickerProviderStateMixin {
late AnimationController _animationController;
late Animation<double> _fadeAnimation;
late Animation<double> _scaleAnimation;
late Animation<double> _logoScaleAnimation;
late Animation<double> _progressAnimation;
@override
void initState() {
super.initState();
// Set system UI overlay style
SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle(
statusBarColor: Colors.transparent,
statusBarIconBrightness: Brightness.light,
));
_animationController = AnimationController(
vsync: this,
duration: Duration(milliseconds: 2500),
);
_fadeAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
CurvedAnimation(
parent: _animationController,
curve: Interval(0.0, 0.5, curve: Curves.easeIn),
),
);
_scaleAnimation = Tween<double>(begin: 0.8, end: 1.0).animate(
CurvedAnimation(
parent: _animationController,
curve: Interval(0.0, 0.5, curve: Curves.easeOut),
),
);
_logoScaleAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
CurvedAnimation(
parent: _animationController,
curve: Interval(0.0, 0.5, curve: Curves.elasticOut),
),
);
_progressAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
CurvedAnimation(
parent: _animationController,
curve: Interval(0.6, 1.0, curve: Curves.easeInOut),
),
);
_animationController.forward();
// Navigate to login screen after animation completes
Future.delayed(Duration(milliseconds: 3200), () {
Navigator.pushReplacement(
context,
PageRouteBuilder(
transitionDuration: Duration(milliseconds: 800),
pageBuilder: (_, __, ___) => LoginScreen(),
transitionsBuilder: (_, animation, __, child) {
return FadeTransition(
opacity: animation,
child: child,
);
},
),
);
});
}
@override
void dispose() {
_animationController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final screenSize = MediaQuery.of(context).size;
return Scaffold(
body: Stack(
children: [
// Background gradient
Container(
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
Color(0xFF4CAF50), // Green
Color(0xFF2E7D32), // Dark Green
],
),
),
),
// Background patterns
Positioned(
right: -100,
top: -50,
child: Container(
width: 300,
height: 300,
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.05),
shape: BoxShape.circle,
),
),
),
Positioned(
left: -150,
bottom: screenSize.height * 0.3,
child: Container(
width: 350,
height: 350,
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.05),
shape: BoxShape.circle,
),
),
),
// Content
Center(
child: AnimatedBuilder(
animation: _animationController,
builder: (context, child) {
return FadeTransition(
opacity: _fadeAnimation,
child: ScaleTransition(
scale: _scaleAnimation,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// Logo container with scale animation
ScaleTransition(
scale: _logoScaleAnimation,
child: Container(
width: screenSize.width * 0.4,
height: screenSize.width * 0.4,
decoration: BoxDecoration(
shape: BoxShape.circle,
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.3),
blurRadius: 20,
offset: Offset(0, 8),
spreadRadius: 2,
),
],
border: Border.all(
color: Colors.white,
width: 4,
),
),
child: ClipOval(
child: Image.asset(
'assets/logo.jpg',
fit: BoxFit.cover,
),
),
),
),
SizedBox(height: 30),
Text(
'POSYANDU',
style: TextStyle(
fontSize: screenSize.width * 0.09,
fontWeight: FontWeight.w900,
color: Colors.white,
letterSpacing: 4.0,
shadows: [
Shadow(
color: Colors.black.withOpacity(0.3),
offset: Offset(0, 3),
blurRadius: 6,
),
],
),
),
SizedBox(height: 12),
Text(
'Aplikasi Kesehatan Ibu dan Anak',
style: TextStyle(
fontSize: screenSize.width * 0.045,
color: Colors.white,
fontWeight: FontWeight.w500,
letterSpacing: 0.5,
shadows: [
Shadow(
color: Colors.black.withOpacity(0.3),
offset: Offset(0, 1),
blurRadius: 3,
),
],
),
),
SizedBox(height: 50),
AnimatedBuilder(
animation: _progressAnimation,
builder: (context, child) {
return Container(
width: screenSize.width * 0.5,
height: 6,
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.2),
borderRadius: BorderRadius.circular(3),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(3),
child: LinearProgressIndicator(
value: _progressAnimation.value,
backgroundColor: Colors.transparent,
valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
),
),
);
},
),
SizedBox(height: 20),
Text(
'Version 1.0',
style: TextStyle(
fontSize: screenSize.width * 0.035,
color: Colors.white.withOpacity(0.8),
fontWeight: FontWeight.w400,
),
),
],
),
),
);
},
),
),
],
),
);
}
}