Olá Meu codigo esta dando um erro
// ignore_for_file: file_names
import 'package:curso_1/components/task.dart';
import 'package:curso_1/data/task_dao.dart';
import 'package:curso_1/screens/form_screen.dart';
import 'package:flutter/material.dart';
class InitialScreen extends StatefulWidget {
const InitialScreen({super.key});
@override
State<InitialScreen> createState() => _InitialScreenState();
}
class _InitialScreenState extends State<InitialScreen> {
@override
Widget build(BuildContext context) {
return
Scaffold(
appBar: AppBar(
backgroundColor: Colors.blue,
leading: Container(
),
actions: [
IconButton(onPressed: (){setState(() {
});}, icon: const Icon(Icons.refresh))
],
title: const Text(
'Tarefas',
style: TextStyle(color: Colors.white),
),
),
body: Padding(
padding: const EdgeInsets.only(top: 8, bottom: 70),
child: FutureBuilder<List<Task>>(
future: TaskDao().findAll(),
builder: (context, snapshot) {
List<Task>? items = snapshot.data;
switch (snapshot.connectionState) {
case ConnectionState.none:
return const Center(
child: Column(
children: [
CircularProgressIndicator(),
Text('Carregando'),
],
),
);
case ConnectionState.waiting:
return const Center(
child: Column(
children: [
CircularProgressIndicator(),
Text('Carregando'),
],
),
);
case ConnectionState.active:
return const Center(
child: Column(
children: [
CircularProgressIndicator(),
Text('Carregando'),
],
),
);
case ConnectionState.done:
if (snapshot.hasData && items != null) {
if (items.isNotEmpty) {
return ListView.builder(
itemCount: items.length,
itemBuilder: (BuildContext context, int index) {
final Task tarefa = items[index];
return tarefa;
});
}
return const Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Icon(
Icons.error_outline,
size: 128,
),
Text(
'Não há nenhuma Tarefa',
style: TextStyle(fontSize: 32),
),
],
));
}
return const Text('Erro ao carregar tarefas');
}
}),
),
floatingActionButton: FloatingActionButton(
onPressed: (){
Navigator.push(
context,
MaterialPageRoute(
builder: (contex) => FormScreen(taskContext: context,),
),
).then((value) => setState(() {
}));
},
child: const Icon(Icons.add),
),
);
}
}
Não esta aparecendo a mensagem igual a do video
