GYGulshan Yadavinmrgulshanyadav.hashnode.dev·14h ago · 8 min readPayPal Payment Gateway Integration in Flutter — 2026 RefreshThe original version of this article became my most-clapped story on Medium, so here is the 2026 refresh: the same practical walkthrough, updated for the PayPal Orders API v2, modern Flutter, and the 00
JJohnindeveloper-mind.hashnode.dev·14h ago · 3 min readDrawing Graphs in Flutter using fl_chartData visualization is crucial for turning raw numbers into an understandable narrative. In modern application development, introducing responsive and interactive charts helps users interpret trends qu00
JJohnindeveloper-mind.hashnode.dev·14h ago · 5 min readBuilding In-App Purchases in Flutter: A Step-by-Step GuideIn-app purchases (IAP) are a powerful way to monetize your Flutter application. Whether you are selling digital goods, unlocking premium features, or offering ongoing subscriptions, integrating a reli00
AAAtuoha Anthonyinfreecodecamp.org·2d ago · 42 min readHow to Automate Flutter Releases with Fastlane and GitHub Actions for Firebase App Distribution, Google Play, TestFlight, and App Store ConnectPicture this: it's 4pm on a Friday, and your team has just merged the last feature for the sprint. But your product manager asks for a new build on TestFlight by the end of the day so the client can r00
JJohnindeveloper-mind.hashnode.dev·2d ago · 5 min readMulti-Threading in Flutter: A Guide to IsolatesFlutter apps run on a single thread by default. This thread handles the UI, animations, and user inputs. If you run a heavy computation on this thread, the UI freezes. To prevent this, Flutter uses Is00
FSFlutter Senseiinfluttersensei.hashnode.dev·2d ago · 25 min readFlutter SDK Version in pubspec.yaml Explained (Without the Confusion)Have you ever opened a Flutter project only to see an error like "The current Dart SDK version is not supported" or "Your Flutter SDK version is incompatible with this project"? For many beginners, th00
JJohnindeveloper-mind.hashnode.dev·3d ago · 7 min readMastering GraphQL in Flutter: Queries, Mutations, and SubscriptionsUnderstanding GraphQL Core Concepts GraphQL is a powerful query language and runtime for APIs. Unlike REST, which uses rigid endpoints, GraphQL allows clients to request exactly the data they need. Q00
JJohnindeveloper-mind.hashnode.dev·3d ago · 8 min readChoosing Your Data Layer: REST vs. GraphQL in Flutter1. Understanding the Technologies What is REST? Representational State Transfer (REST) is an architectural style utilizing stateless, HTTP-based communication. It relies on standard HTTP methods to ma00
JAJesutoni Aderibigbeinfreecodecamp.org·3d ago · 19 min readFlutter Frontend Systems Design: How to Think Like a Senior Engineer in the AI AgeSystems design has always been treated as a backend problem. Ask a group of Flutter engineers what systems design means, and most will describe server architecture: load balancers, databases, and micr00
ATAnurag Thakurindevanuragt.hashnode.dev·3d ago · 1 min readGSoC 2026 Week 12: Fixing the last background sync bugsLast week was mostly about fixing bugs. I found two problems: sometimes the app created duplicate records during background sync, and sometimes the background engine crashed. Both only happened someti00
