Tag: dart-null-safety

Issue I made a Loader widget which shows a loading indicator if isLoading = true and shows a child widget only if isLoading = false. The problem is when I use nullable data in the child, even though isLoading =

Issue I’m going through a tutorial on Flutter and am receiving a run-time error, but I’m not clear why. The error I’m receiving is, type ‘Null’ is not a subtype of type ‘int’ in type cast. However, the value of

Issue I am encountering a _CastError in Flutter and I’m not sure what can cause it : ═══════ Exception caught by widgets library ═══════════════════════════════════ The following _CastError was thrown building FutureBuilder<DatabaseNote>(dirty, state: _FutureBuilderState<DatabaseNote>#aa5d0): type ‘Null’ is not a subtype of

Issue i’m trying to pass selected month and date into a firebase firestore query, but i’m always getting the null check operator on the selected month and year. here is my code where the error occurs: ElevatedButton( style: ElevatedButton.styleFrom( shape:

Issue Not sure if this is the best approach, but I am trying to convert a single list into a list of 3 lists based on some filtering to create the view model. Since a filter (List.where) may return null,

Issue This is where the error comes from. "Null". In the console I received error like "type ‘Null’ is not a subtype of type ‘String’" class UserPreferences { static late SharedPreferences _preferences; static const _keyUser = ‘user’; static const myUser

Issue Im trying to connect my flutter web with discord oauth2 but i’ve got problem with late initializer. Flutter suggests me to use "late" in: Computed<ThemeData> _$currentThemeDataComputed; After i add "late" then when im trying to run my website i’ve