Flutter articles, videos and packages

Flutter’s Hidden Gem for Session Persistence with Block Store

by Anurag Dubey

As Flutter developers, we usually think about persistence in terms of app restarts. Save a value, close the app, open it again, and read it back. But what happens when the app is completely uninstalle...

Building Smarter Mobile Applications: Why Flutter, AI, and Good Engineering Matter

by Hasnan Khan

Mobile applications have become an essential part of how people interact with businesses, services, and technology. But building a successful mobile application involves much more than creating attrac...

Flutter BLoC: Building a Feature with Events, States, and Cubit

by Yadnesh Teli

Series 4 — Part 1 of 1 Flutter BLoC: Building a Feature with Events, States, and Cubit A standalone deep-dive on the BLoC pattern in Flutter After GetX, my next exploration was Flutter BLoC — the patt...

QuotaDeck: monitorando limites do Claude, Codex, Antigravity e OpenCode

by Thiago Perea

Alternando todo dia entre OpenCode, Antigravity, Codex e Claude, eu vivia batendo no limite da janela de 5 horas no meio de alguma tarefa sem saber quanto faltava ou que horas ia resetar. Cada ferrame...

Flutter code push with Shorebird: when can a hotfix be a patch?

by Stacklyn Labs

A critical bug is in production. The fix is one line. Do you wait days for store review, or push it over the air? With Flutter, the answer depends on what the fix touches. Why React Native-style code...

From a time block to its tasks in one hand-off

by Gregory Edwards

If you plan your day in time blocks, you know the moment a block starts and you still have to go and find the tasks that go with it. I'm building two apps that now hand off to each other in an early t...

Build a Quiz App in Flutter: Full Guide

by Muhammad Uzair

Quiz apps are one of the most useful projects a Flutter developer can build. The pattern shows up everywhere: exam prep, language learning, driving theory, onboarding quizzes, and trivia games. Undern...

How Much Does It Really Cost to Build a Mobile App in 2026?

by Israr Kundi

How Much Does It Really Cost to Build a Mobile App in 2026? How much does it really cost to build a mobile app in 2026? A simple app costs about $5,000 to $12,000 to build through a freelancer and $10...

Flutter App Redesign with pen.dev and Claude Code Skills: From Pencil Designs to Verified Screens

by Michał Król

TL;DR Kurvenheld is a motorcycle app built in Flutter for iOS and Android. Together with the agency blindwerk I redesigned all of it: 23 screens, 28 design cells in pen.dev. It's live in the App Store...

Hide the status bar while scrolling in Flutter without layout jumps

by Frank Milvus

A chat screen is mostly a reading surface. On a phone, the system status bar, the floating conversation header and the pinned-message bar can eat well over a hundred density-independent pixels at the...

My wire-size calculator had the right tables and still gave the wrong answer

by Andrii Zhukovskyi

I'm a platform engineer. Kubernetes, Java, AWS, that kind of work. I am not an electrician, and for the last few weeks I've been building a calculator for electricians. This post is about the mistake...

Dart แบบ Dart Dart EP297: Let's try Gemini Enterprise on AI Pass

by Anuchit Chalothorn , on Flutter Pro

สรุปและสาธิตการใช้งาน *Gemini Enterprise* ผ่านระบบ *AI Pass* ซึ่งเน้นกลุ่มผู้ใช้งานที่ต้องการนำ AI ไปใช้ในมิติที่หลากหลาย ตั้งแต่ผู้ใช้ทั่วไปจนถึงนักพัฒนา โดยมีประเด็นสำคัญดังนี้: - *การใช้งาน Gemini...

Autonomous Database Evolution in Flutter/Dart: Dynamic Schemas, Zero-Downtime Migration & Self-Healing for AI Agents

by QuantumVoid

Abstract: As AI agents and automated operations (O&M) systems transition into the era of long-lived continuous operation, the traditional persistence paradigm—freezing data models at compile time and...

Tested like a QA engineer: how I release mobile apps

by Mohamed Elgohary

TL;DR I have a QA/SDET background alongside my mobile engineering work, and I release apps the way a tester would: assume the happy path works and spend the effort on everything around it. My public r...

Our Flutter app's purchase events vanished before the user logged in

by HS Solution

Our billing code logged store_ready on every cold start. On some starts, that event never reached the server. The billing layer was fine. Our own analytics wrapper was throwing the events away. This i...

I convert 1,000 won to $1 in my stock game. I'm still not sure the cents are right.

by BT_Sun

I'm a junior solo developer from South Korea. I use a translator to help me write in English. I'm making Daily Trader: Stock Game. You watch the chart, read the news, and trade stocks with virtual mon...

Google Play 12 testers rule: a 14-day closed testing plan

by ExtensionBooster

Originally published on AppRanker. If you opened a new personal Play Console account recently, the Google Play 12 testers rule is probably the thing standing between your finished build and the produc...

Five memory leaks that kill Flutter apps on older phones

by Stacklyn Labs

A memory leak happens when your app holds on to objects it no longer needs, so the Dart garbage collector can't free them. On a modern phone with 8 GB of RAM, a leak can hide for a while. On an older...

How I Parse Recipe Ingredients in Six Languages Without a Server

by Hyorinmaru

Kerfuffle is the recipe app I built because I wanted my recipes on my phone, and nowhere else. No account, no server, no ads, no analytics. I built it solo, in Flutter. With no server to call, a share...

Stop Wasting Time on Boilerplate: Instant Null-Safe Freezed & Dart Models in VS Code

by Abdulrahman Maslmany

As Flutter developers, how many hours have you wasted manually typing Dart data models from complex, nested JSON responses? Handling deeply nested APIs, ensuring strict null-safety, writing fromJson /...

Laporan Praktikum: Autentikasi dan Otorisasi (RBAC) di Flutter + Supabase

by Muhammad Dhiyaul Atha

Laporan Praktikum: Autentikasi dan Otorisasi (RBAC) di Flutter + Supabase Nama: Muhammad Dhiyaul Atha Tanggal praktikum: 10 November 2026 Aplikasi: NEO AUTH — aplikasi contoh login/register dengan dua...

ROS 2 QoS Meets Flutter: Delivery Policies for Responsive Dashboards

by vmodal_ai

ROS 2 Quality of Service settings influence whether a Flutter dashboard receives fresh data, delayed data, or no data. Match QoS to the meaning of each topic instead of applying one policy everywhere....

Flutter + ROS 2: QoS-Aware Telemetry Aggregation for Operator Dashboards

by vmodal_ai

This advanced tutorial treats Flutter as the operator-facing presentation layer while wearable SDKs, Jetson services, ROS 2 nodes, and NVIDIA-accelerated inference handle device-specific or compute-he...

Google XR + Flutter: Rendering Budgets for Spatial Companion Interfaces

by vmodal_ai

This advanced tutorial treats Flutter as the operator-facing presentation layer while wearable SDKs, Jetson services, ROS 2 nodes, and NVIDIA-accelerated inference handle device-specific or compute-he...