Created
April 5, 2022 18:22
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Test multiple change into a stateProvider
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import 'package:flutter/material.dart'; | |
import 'package:hooks_riverpod/hooks_riverpod.dart'; | |
const Color darkBlue = Color.fromARGB(255, 18, 32, 47); | |
void main() { | |
runApp(ProviderScope(child: MyApp())); | |
} | |
final countProvider = StateProvider((_) => 0); | |
class MyApp extends ConsumerWidget { | |
@override | |
Widget build(BuildContext context, ref) { | |
print("Build"); | |
final value = ref.watch(countProvider); | |
return MaterialApp( | |
theme: ThemeData.dark().copyWith( | |
scaffoldBackgroundColor: darkBlue, | |
), | |
debugShowCheckedModeBanner: false, | |
home: Scaffold( | |
body: Column( | |
children: [ | |
Text(value.toString()), | |
TextButton( | |
onPressed: (){ | |
ref.read(countProvider.notifier).state++; | |
ref.read(countProvider.notifier).state++; | |
ref.read(countProvider.notifier).state++; | |
ref.read(countProvider.notifier).state++; | |
}, | |
child: const Text( | |
'Incrementar', | |
style: TextStyle(color: Colors.white), | |
), | |
), | |
], | |
), | |
), | |
); | |
} | |
} |
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