34 lines
1021 B
Dart
34 lines
1021 B
Dart
import 'package:flutter/cupertino.dart';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter_riverpod/flutter_riverpod.dart';
|
|
import 'package:riverpod_flutter_tuts/widgets/notifier/counter.dart';
|
|
|
|
|
|
class CounterWidget extends ConsumerWidget {
|
|
const CounterWidget({super.key});
|
|
|
|
@override
|
|
Widget build(BuildContext context, WidgetRef ref) {
|
|
// TODO: implement build
|
|
|
|
var counter = ref.watch(counterNotifierProvider);
|
|
return Column(
|
|
children: [
|
|
Center(
|
|
child: switch (counter) {
|
|
AsyncData(:final value ) => Text(
|
|
'data: $value'
|
|
),
|
|
AsyncError() => const Text('Oops, something unexpected happened'),
|
|
_ => const CircularProgressIndicator(),
|
|
}),
|
|
ElevatedButton(onPressed:() {
|
|
ref.read(counterNotifierProvider.notifier).plus();
|
|
}, child: const Text("plus")),
|
|
ElevatedButton(onPressed: () {
|
|
ref.read(counterNotifierProvider.notifier).minus();
|
|
}, child: const Text("minus")),
|
|
]
|
|
);
|
|
}
|
|
} |