Issue I have a screen that loads shopping cart items in a ListView.builder: Expanded( child: RefreshIndicator( onRefresh: refresh, child: Container( child: FutureBuilder( future: loadData(), builder: (context, snapshot) { if (snapshot.hasData) { List<dynamic>? filteredList = snapshot.data as List; … The data
Continue readingTag: dart-async
Applying a boolean operator on FutureOr<bool> as part of fold
Issue I am trying to check whether a boolean value in Firestore is true for a list of documents. On trying to compile the code below I keep on getting the error The argument type ‘Future<bool> Function(bool, DocumentReference<Object?>)’ can’t be
Continue readingApplying a boolean operator on FutureOr<bool> as part of fold
Issue I am trying to check whether a boolean value in Firestore is true for a list of documents. On trying to compile the code below I keep on getting the error The argument type ‘Future<bool> Function(bool, DocumentReference<Object?>)’ can’t be
Continue readingFlutter Listview after run empty, but filled only with Flutter Hot reload
Issue How can I correct this code? That might have sparked the need to win another solution. enter image description here This result is only after a hot reload, and at the first start it is empty. class PageOnes extends
Continue readingFlutter Listview after run empty, but filled only with Flutter Hot reload
Issue How can I correct this code? That might have sparked the need to win another solution. enter image description here This result is only after a hot reload, and at the first start it is empty. class PageOnes extends
Continue readingFlutter Listview after run empty, but filled only with Flutter Hot reload
Issue How can I correct this code? That might have sparked the need to win another solution. enter image description here This result is only after a hot reload, and at the first start it is empty. class PageOnes extends
Continue readingHow to return a Stream using an async* function in Flutter
Issue I am working on a chat app using Flutter and Firebase. I am new to Dart and so got stuck when I wanted to create a function which fetches (using await) a particular document from one collection (forums) and
Continue readingRefreshing ListView.builder with ToggleButton flutter
Issue Basically, I’m trying to make an app, that on one of the screens – the content of a listview will be updated by choosing one of the options listed in the toggleButtons (One shows only upcoming events and the
Continue readingDart async execution order
Issue I’m trying to understand proper execution order of async functions in Dart. Here is a code that puzzles me: void main() async { print(1); f1(); print(3); } void f1() async { print(2); } According to spec first main() will
Continue readingwhy statement is getting called before await function in flutter
Issue I have created a demo for learning async and await Here it is happening that a statement is executed before await function.. According to me output should be A second Z First but its giving output : A Z
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