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void main() { | |
print(Animal.dog.name); // 'dog' | |
print(Animal2.dog.name); // '🐶' | |
// Animal2 から 元々のnameのdog・cat文字列を得たい🤔 | |
} | |
enum Animal { | |
dog, | |
cat, |
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import 'dart:async'; | |
import 'package:flutter/material.dart'; | |
import 'package:google_fonts/google_fonts.dart'; | |
void main() { | |
runApp( | |
const App(), | |
); | |
} |
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sed -i "" 's/source="$(readlink "${source}")"/source="$(readlink -f "${source}")"/g' "${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh" |
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import 'dart:math'; | |
import 'package:flutter/material.dart'; | |
void main() { | |
runApp(const MyApp()); | |
} | |
class MyApp extends StatelessWidget { | |
const MyApp({super.key}); |
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import 'package:flutter/material.dart'; | |
void main() { | |
runApp(const MyApp()); | |
} | |
class MyApp extends StatelessWidget { | |
const MyApp({super.key}); | |
@override |
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import 'package:cloud_firestore/cloud_firestore.dart'; | |
import 'package:firebase_auth/firebase_auth.dart'; | |
import 'package:riverpod/riverpod.dart'; | |
// 1つ目のStreamProvider | |
final authUserProvider = | |
StreamProvider<User?>((ref) => FirebaseAuth.instance.userChanges()); | |
// 2つ目のStreamProvider | |
// authUserProviderをwatchした値を使ってFirestoreから得られるStreamを返す |
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import 'package:flutter/material.dart'; | |
void main() { | |
runApp(const App()); | |
} | |
class App extends StatelessWidget { | |
const App({super.key}); | |
@override |
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import 'package:flutter/material.dart'; | |
void main() => runApp(const App()); | |
class App extends StatelessWidget { | |
const App({super.key}); | |
@override | |
Widget build(BuildContext context) { | |
return const MaterialApp( |
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import 'dart:async'; | |
import 'package:flutter_test/flutter_test.dart'; | |
import 'package:rxdart/rxdart.dart'; | |
void main() { | |
test('', () async { | |
// broadcast取ると、expectはtrueになる | |
// BehaviorSubjectでも、expectはtrueになる | |
final controller = StreamController<bool>.broadcast(); |
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class PackageMetrics extends StateNotifier<AsyncValue<PackageMetricsScore>> { | |
PackageMetrics(this._ref, {required this.packageName}) | |
: super(const AsyncLoading()) { | |
_ref | |
.watch(pubRepositoryProvider) | |
.getPackageMetrics(packageName: packageName) | |
.then((value) => state = AsyncData(value)); | |
} | |
final AutoDisposeRef _ref; |
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