#dart Development Tutorials & Tips | Roast Dev

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How to Keep TextInput Value in Dart when Dismissing Keyboard

When building applications with Dart and Flutter, you might come across the frustrating issue of losing data on a TextInput field when the keyboard is dismissed. This typically occurs because the stat...

04.05.2025 0 Read More

How to Fix 'type List<dynamic> is not a subtype of List<num>' in Dart?

IntroductionIn developing a self-practice eCommerce app with Flutter and Laravel, you might encounter issues while deserializing API responses into your model classes. One such error is the infamous U...

04.05.2025 0 Read More

How to Detect Low Test Coverage Files in Flutter / Dart

How to Detect Low Test Coverage Files in Flutter / Dart Through observing our customers' behavior, we've noticed a common challenge when teams want to improve their test coverage: identifying...

30.03.2025 0 Read More

The Ultimate Guide to Flutter Lists with Bloc : Part 2

Part 2 : Pagination & Infinite Scrolling Welcome back, Flutter devs! In Part 1, we explored how to build clean and efficient listings using Flutter and Bloc, powered by the PokéAPI. We s...

30.03.2025 0 Read More

🚀 Getting Started with Flutter: A Developer’s Guide

Flutter is taking the dev world by storm, and for good reason! Whether you're building for Android, iOS, Web, or Desktop, Flutter lets you create stunning, high-performance apps with a single codebase...

01.04.2025 0 Read More

Flutter Feature Pattern Tutorial: Building Scalable & Maintainable Feature-based architecture

This tutorial guides junior Flutter developers on implementing a robust and scalable feature structure based on Clean Architecture principles. We'll use Cubit for state management, Freezed for models,...

01.04.2025 0 Read More

Step-by-Step Guide to Fixing NDK source.properties File Missing Error in Flutter

Imagine you’re working on an exciting project, and everything seems to work fine. Then you had a reason to update your Flutter environment and then you hit this annoying build error. You check your ...

03.04.2025 0 Read More

Native State Management in Flutter

🚀 Flutter State Management: ValueNotifier & ChangeNotifierIf you're just starting out with Flutter or want a lightweight solution for managing state, ValueNotifier and ChangeNotifier are great ...

04.04.2025 0 Read More

Flutter Error AGP

I Facing AGP Flutter Errors:FAILURE: Build failed with an exception. What went wrong: A problem occurred configuring project ':flutter_barcode_scanner'. Could not create an instance of type com.and...

06.04.2025 0 Read More

Why Most Flutter Apps Fail Without Proper State Management (And How You Can Avoid It)

Ever built a Flutter app that started great but became a spaghetti mess of widgets, variables, and rebuilds? Yep—that’s the silent killer: unmanaged state.But here's the thing: state management d...

08.04.2025 0 Read More