Issue How can I implement a method within a certain time, if the time is out, cancel the method for example, if I have a method that may take 5 seconds to be implemented completely, and I want it to
Continue readingTag: asynchronous
async keyword Future<dynamic> problem in flutter/dart . I just want to know how the code is generating an error here below
Issue I dont know what is happening in this portion of code: Future fnct() { print("inside fnct()"); return Future.delayed(Duration(seconds:4),()=>"hello"); } Future fnct2() async { fnct().then((x){ print("inside then()"); }); here, this code works perfectly fine even without use of await keyword
Continue readingFlutter: Async Methods in Bloc/Cubit State Management
Issue While working with Cubit State Management, I have the question if the methods in the Cubit class, which access the Repository class, have to be async? The methods in the Repository class, which access the remote DB, are of
Continue readingHow to use nested FutureBuilders and make sure one future is called after another?
Issue To avoid my FutureBuilder being called again and again (see this), I have the habbit of calling my futures in initState and it has always worked fine until I had to use nested ones. Basically I want the second
Continue readingWhy future sequence runs this way?
Issue Following code: void main() async { print("A"); await Future(() async { // Main future print("B"); Future(()=>print("C")); Future.microtask(()=>print("D")); await Future(()=>print("E")); print("F"); }); print("G"); } shows this sequence: A B D C E F G I’m expecting this sequence: A B
Continue readingTrying to use Build Context across async gaps in flutter
Issue I am trying to build a chat app, and have this class called ChatBubble. This also has the ability to have category from a list of topics. Here is my code: class _ChatBubbleState extends State<ChatBubble> { final topicsDb =
Continue readingWhat exactly await does internally in Dart?
Issue I’m working on a flutter application which requires using local storage. As the document directory path in Android will be given in Future<Directory>, I have to check whether the future finishes or not, each time I want to use
Continue readingIs it possible to add some delay to an async function without making the total delay more than the time taken by the function itself?
Issue I have a function that makes an API call and usually the response is received after a delay of anywhere between 50 milliseconds to 6 seconds. I want the result to arrive exactly at 1500 milliseconds if the API
Continue readingFlutter FutureBuilder stuck at ConnectionState.waiting
Issue I’m new and currently learning Flutter, I have a question about FutureBuilder. My code is stuck at ConnectionState.waiting and I’m not sure why. My codes are import ‘dart:convert’; import ‘package:flutter/material.dart’; import ‘package:http/http.dart’ as http; class DartPad extends StatefulWidget {
Continue readingThe return type 'ListView?' isn't a 'Widget', as required by the closure's context.dart
Issue I’m trying to make an async method that returns a ListView, so to add it to the body of my Scaffold I used future builder, but got this error. The return type ‘ListView?’ isn’t a ‘Widget’, as required by
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