107 lines
2.7 KiB
Dart
107 lines
2.7 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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class HelloSplashScreen extends StatefulWidget {
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const HelloSplashScreen({super.key, required this.onFinished, this.duration = const Duration(seconds: 5)});
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final Duration duration;
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final VoidCallback onFinished;
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@override
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State<HelloSplashScreen> createState() => _HelloSplashScreenState();
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}
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class _HelloSplashScreenState extends State<HelloSplashScreen> with TickerProviderStateMixin {
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late final AnimationController _controller;
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late final Animation<double> _opacity;
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late final AnimationController _popController = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 700),
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);
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late final Animation<double> _pop = CurvedAnimation(
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parent: _popController,
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curve: Curves.elasticOut,
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);
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Timer? _fadeTimer;
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Timer? _doneTimer;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 500),
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);
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_opacity = CurvedAnimation(
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parent: _controller,
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curve: Curves.easeInOut,
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);
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_controller.value = 1.0;
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_popController.forward();
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final int fadeMs = (widget.duration.inMilliseconds - 500).clamp(0, widget.duration.inMilliseconds);
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_fadeTimer = Timer(Duration(milliseconds: fadeMs), () {
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if (!mounted) return;
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_controller.reverse();
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});
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_doneTimer = Timer(widget.duration, () {
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if (!mounted) return;
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widget.onFinished();
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});
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}
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@override
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void dispose() {
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_fadeTimer?.cancel();
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_doneTimer?.cancel();
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_controller.dispose();
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_popController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final Size size = MediaQuery.sizeOf(context);
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return Scaffold(
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body: FadeTransition(
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opacity: _opacity,
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child: Container(
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width: size.width,
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height: size.height,
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color: const Color(0xFFFAFAF7),
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child: SafeArea(
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child: Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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ScaleTransition(
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scale: _pop,
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child: const Text(
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'Olá',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 64,
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fontWeight: FontWeight.w900,
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color: Color(0xFFFF9AD0),
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height: 1.0,
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),
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),
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),
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],
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),
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),
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),
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),
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),
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);
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}
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}
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