TKK-E32222341/lib/screens/splash_screen.dart

102 lines
2.9 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:firebase_auth/firebase_auth.dart';
class SplashScreen extends StatefulWidget {
const SplashScreen({super.key});
@override
State<SplashScreen> createState() => _SplashScreenState();
}
class _SplashScreenState extends State<SplashScreen>
with SingleTickerProviderStateMixin {
late AnimationController _controller;
late Animation<double> _scaleAnimation;
late Animation<double> _opacityAnimation;
@override
void initState() {
super.initState();
_controller = AnimationController(
vsync: this,
duration: const Duration(seconds: 2),
);
_scaleAnimation = Tween<double>(begin: 0.6, end: 1.0).animate(
CurvedAnimation(parent: _controller, curve: Curves.easeOutBack),
);
_opacityAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
CurvedAnimation(parent: _controller, curve: Curves.easeIn),
);
_controller.forward();
Timer(const Duration(seconds: 3), () {
final user = FirebaseAuth.instance.currentUser;
if (user != null) {
Navigator.pushReplacementNamed(context, '/main');
} else {
Navigator.pushReplacementNamed(context, '/login');
}
});
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: [Color(0xFF6B4EFF),Color(0xFF8B70FF) ],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
),
child: Center(
child: AnimatedBuilder(
animation: _controller,
builder: (context, child) {
return Opacity(
opacity: _opacityAnimation.value,
child: Transform.scale(
scale: _scaleAnimation.value,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Image.asset(
'assets/images/logo.png',
width: 80,
height: 80,
),
const SizedBox(height: 20),
Text(
'AntiSpy Security',
style: Theme.of(context).textTheme.headlineMedium?.copyWith(
color: Colors.white,
fontWeight: FontWeight.bold,
letterSpacing: 1.2,
),
),
const SizedBox(height: 20),
const CircularProgressIndicator(color: Colors.white),
],
),
),
);
},
),
),
),
);
}
}