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New posts in dart-null-safety
Dart/Flutter widget with optional parameters but at least one required
Nov 03, 2025
flutter
dart
dart-null-safety
null-safety
The return type 'Future<bool?> Function()' isn't a 'Future<bool>', as required by the closure's context
Oct 31, 2025
flutter
dart
dart-null-safety
Flutter The name FutureOr isn't a type, so it can't be used in an as expression
Oct 29, 2025
flutter
dart-null-safety
RadioListTile onchange value is object? type
Oct 28, 2025
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Accessing nested property in AsyncSnapshot
Oct 23, 2025
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dart
dart-null-safety
How to initiate WebViewController in flutter
Oct 23, 2025
flutter
dart
default-constructor
dart-null-safety
How to generate a dart client from swagger json with nullsafety turned on?
Oct 23, 2025
flutter
dart
swagger
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dart-null-safety
The argument type 'String? Function(String)' can't be assigned to the parameter type 'String? Function(String?)?'
Oct 18, 2025
flutter
dart
validation
dart-null-safety
Why am I getting "Null check operator used on a null value" from using rootBundle.load during a Flutter test?
Oct 19, 2025
flutter
dart
flutter-test
dart-null-safety
Why do I need to return null for functions with nullable return type?
Oct 19, 2025
dart
dart-null-safety
The argument type 'DateTime?' can't be assigned to the parameter type 'DateTime'
Oct 18, 2025
flutter
dart
dart-null-safety
type 'List<Widget?>' is not a subtype of type 'List<Widget>' in type cast
Sep 19, 2025
flutter
dart
dart-null-safety
FLUTTER Error: Method 'copyWith' cannot be called on 'TextStyle?' because it is potentially null
Sep 18, 2025
flutter
styles
dart-null-safety
Null check operator used on a null value - Flutter
Sep 17, 2025
flutter
dart
google-drive-api
dart-null-safety
"Use key in widget constructors" warning each time I create a new widget
Sep 14, 2025
flutter
dart
dart-null-safety
Use a non null saftey package inside a null saftey enabled app dart
Sep 14, 2025
flutter
dart
dart-null-safety
Should we source control the .mocks.dart files created by build_runner for mockito
Sep 10, 2025
flutter
tdd
dart-null-safety
How to do null/empty check of a String inside a TextFormField validator function in dart/flutter?
Sep 05, 2025
flutter
dart
syntax
null
dart-null-safety
Why do we need to add late modifier while declaring the variables?
Mar 03, 2023
flutter
dart
dart-null-safety
The method '[]' can't be unconditionally invoked because the receiver can be 'null'
Feb 05, 2023
firebase
flutter
dart
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