Search results for: “bloc”
-
How to Build a Singleton in Dart and Flutter
A Singleton ensures only one instance of a class exists in your app.It’s useful for shared services like logging, analytics, or database access.In Flutter, you can build a singleton using Dart’s language features without extra packages. Approach A: Simple static instance The easiest way is to create a static instance inside the class. Approach B:…
-
Fixing “Flutter/Flutter.h file not found” on iOS
Fix the “Flutter/Flutter.h file not found” error on iOS. Learn how to clean your project, reinstall CocoaPods, and ensure Flutter frameworks are linked.
-
What is a NoSuchMethodError and how do I fix it?
A NoSuchMethodError in Dart happens when your code tries to call a method or property that doesn’t exist on an object.This usually occurs because the variable is null or has the wrong type. Approaches Approach A: Check for null before accessing properties Use null checks or the null-aware operator (?.) to avoid calling methods on…
-
Understanding Future in Flutter and Dart
A Future in Dart represents a value that will be available later — it’s how you handle asynchronous operations like API calls or file reads. Steps 1. Understand what a Future is A Future is like a promise that something will complete later — successfully with a value, or with an error.Example: fetching data from…
-
Flutter iOS App Version and Build Number Not Updating When Archiving in Xcode
When working with Flutter iOS apps, sometimes the version and build number may not update correctly when archiving in Xcode. This can be a frustrating issue, especially if you’re preparing the app for release. Here’s a solution that might help resolve this problem: If you’ve already tried running the commands mentioned in other solutions and…
-
How to Move BottomSheet Along with Keyboard in Flutter
When working with Flutter, one common UI requirement is to have a BottomSheet move along with the keyboard. This can be particularly useful when you have a TextField within the BottomSheet that is autofocused. In this article, we’ll discuss how to achieve this using the isScrollControlled property and proper padding with MediaQuery. To ensure a…
-
Understanding and Resolving the “instance of ‘future<dynamic>’”-
Error in Dart When developing with Flutter and Dart, encountering the “instance of ‘Future<dynamic>’” error can be a bit puzzling at first. Let’s break down what this error means, and then I’ll guide you through some steps to resolve it. What are Futures in Dart? In Dart, a Future represents a potential value or error that will be…
-
Flutter Releases
Browse through the list of Flutter versions, release dates, and required Dart SDKs. This page provides essential information for developers to ensure compatibility and stay updated with the latest Flutter tools.
-
Learn to solve Flutter code issues with StackOverflow, GitHub and other resources
In the world of Flutter development, encountering coding problems is a routine part of the job. Fortunately, platforms like StackOverflow, GitHub and others provide invaluable resources for overcoming these challenges. This guide will show you how to effectively use StackOverflow to search for answers and GitHub to explore code snippets that can inspire solutions to…