137 lines
3.8 KiB
Dart
137 lines
3.8 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:gemini_app/main.dart';
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import 'package:gemini_app/screens/lesson_list_screen.dart';
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class MindWanderScreen extends StatefulWidget {
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const MindWanderScreen({super.key});
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@override
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MindWanderScreenState createState() => MindWanderScreenState();
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}
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class MindWanderScreenState extends State<MindWanderScreen>
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with TickerProviderStateMixin {
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late AnimationController _controller;
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late Animation<double> _animation;
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int _secondsRemaining = 60;
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Timer? _timer;
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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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duration: const Duration(seconds: 2),
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vsync: this,
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)..repeat(reverse: true);
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_animation = Tween<double>(begin: 0.0, end: 1.0).animate(_controller);
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// _startTimer();
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}
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void _startTimer() {
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setState(() {
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_timer = Timer.periodic(const Duration(seconds: 1), (timer) {
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if (_secondsRemaining > 0) {
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setState(() {
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_secondsRemaining--;
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});
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} else {
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_timer!.cancel();
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// Perform any action when the timer reaches zero
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_skipCalibration();
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}
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});
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});
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}
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@override
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void dispose() {
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_controller.dispose();
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_timer?.cancel();
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super.dispose();
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}
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void _skipCalibration() {
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Navigator.push(context, createSmoothRoute(LessonListScreen()));
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('EEG Calibration'),
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),
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body: Stack(
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children: [
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// Background Animation
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AnimatedBuilder(
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animation: _animation,
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builder: (context, child) {
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return Opacity(
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opacity: _animation.value,
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child: Container(
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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Colors.blue.withOpacity(0.5),
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Colors.green.withOpacity(0.5),
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],
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transform:
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GradientRotation(_animation.value * 2 * 3.1415926535),
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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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// Main Content
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Text(
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"""When you're ready, press the start button and start mind wandering by letting your thoughts drift to your favorite places or stories while you sit quietly""",
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style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 20),
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_timer == null
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? ElevatedButton(
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onPressed: _startTimer,
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child: const Text('Start'),
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)
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: Text(
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'Time remaining: $_secondsRemaining seconds',
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style: const TextStyle(fontSize: 18),
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),
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],
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),
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),
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),
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Positioned(
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bottom: 16.0,
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right: 16.0,
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child: ElevatedButton(
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onPressed: _skipCalibration,
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child: const Text('Skip'),
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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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void main() {
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runApp(MaterialApp(
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home: MindWanderScreen(),
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));
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}
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