gemini-app/lib/screens/lesson_list_screen.dart
2024-08-09 01:03:08 +02:00

86 lines
2.7 KiB
Dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_staggered_animations/flutter_staggered_animations.dart';
import 'package:gemini_app/lesson.dart';
import 'package:gemini_app/main.dart';
import 'package:gemini_app/screens/gemini_chat_screen.dart';
import 'package:google_fonts/google_fonts.dart';
class LessonListScreen extends StatefulWidget {
@override
_LessonListScreenState createState() => _LessonListScreenState();
}
class _LessonListScreenState extends State<LessonListScreen> {
List<Lesson> lessons = [];
@override
void initState() {
super.initState();
loadLessons();
}
Future<void> loadLessons() async {
final String response =
await rootBundle.loadString('assets/lessons/lessons.json');
final List<dynamic> data = json.decode(response);
setState(() {
lessons = data.map((json) => Lesson.fromJson(json)).toList();
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Available Lessons'),
),
body: AnimationLimiter(
child: ListView.separated(
itemCount: lessons.length,
separatorBuilder: (context, index) => const Divider(),
itemBuilder: (context, index) {
final lesson = lessons[index];
return AnimationConfiguration.staggeredList(
position: index,
duration: const Duration(milliseconds: 375),
child: SlideAnimation(
verticalOffset: 50.0,
child: FadeInAnimation(
child: Card(
elevation: 4,
margin:
const EdgeInsets.symmetric(vertical: 8, horizontal: 16),
child: ListTile(
title: Text(
lesson.title,
style: GoogleFonts.roboto(
textStyle: const TextStyle(
fontSize: 18, fontWeight: FontWeight.bold),
),
),
subtitle: Text(
lesson.content,
style: GoogleFonts.roboto(fontSize: 14),
),
onTap: () {
Navigator.push(
context,
createSmoothRoute(
GeminiScreen(lessonId: lesson.id.toString()),
),
);
},
),
),
),
),
);
},
),
),
);
}
}