Flutter articles, videos and packages

Flutter + ROS 2: Correlating Traces Across UI, Gateway, and Robot - DEV Community

by vmodal_ai

A slow dashboard can originate in the sensor, ROS 2 transport, gateway, network, decoder, state management, or rendering. Correlated traces make those bottlenecks distinguishable. Generate correlation...

Flutter + TensorRT/ONNX Edge Inference: Keep Tensor Work Outside Widgets

by vmodal_ai

Flutter is suited to presenting model outputs and operator workflows. Heavy tensor execution, GPU memory management, and device-specific inference are usually better isolated behind a native or networ...

Flutter + NVIDIA Models: Streaming Detection Results Without UI Jank

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...

Flutter + Smart Glasses: Battery, Thermal, and Privacy-Aware Data Handling

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...

nativeapi_flutter

by leanflutter.dev

Flutter integration for nativeapi: widgets, dart:ui conversions and the multi-window bridge on top of package:nativeapi.

FlutterFlow to Play Store: Getting Through Closed Testing

by vmzavas

To get a FlutterFlow app onto the Play Store from a new personal developer account, deploy it to internal testing as FlutterFlow's docs describe, then promote that release to a closed testing track in...

Live Hair Colour Try-On, Entirely on the Phone: MediaPipe in a WebView Inside Flutter

by Gabriele Pieretti

In the Miraviso Colore app you point the front camera at your face, tap a copper brown, and your hair turns copper brown while you move your head. No frame leaves the phone. Put like that it sounds li...

Several AIs, one app: the rules I wrote because they all remember things wrong

by Cesare Bramante

I built a native app with several AIs. The most useful thing I wrote in the whole project wasn't code. It was a short list of rules about not trusting their memory. In the last episode I told how most...

Building a click wheel in Flutter: atan2, detents and a 1.8 KB click sound

by Felix Helleckes

I'm a QA engineer by day, and in my spare time I build small apps. The latest one is Clickwheel, an offline music player for Android and iPhone with one control: a round click wheel. You drag your thu...

Migrating from hive to hive_ce? typeId 224 is a one-way door

by Stacklyn Labs

hive_ce is the community continuation of Hive v2, and moving to it is mostly a dependency swap. Most of the time you can even roll back. But there are two typeId details that decide whether a rollback...

Patches Welcome #3: The Checkbox That Stole Focus

by Sagar Ghag

A user types into a text field. Their onChanged programmatically toggles a checkbox. The text field loses focus mid-keystroke. The keyboard might dismiss on mobile. The user's cursor is gone and they...

Firebase Phone Auth Testing in Flutter: Test Numbers vs Real SMS

by Willette

Disclosure: I work with HeroSMS, the virtual number provider used in the examples below. Written with AI tools; code and endpoints checked against the HeroSMS API reference. If you've shipped Firebase...

Designing a Flutter Booking Marketplace: An Engineer's Review of Availability, Payments and Scale

by Journeyhorizon

Booking apps look simple in a demo. A user picks a slot, pays, gets a confirmation, and everyone moves on. Then production happens: a provider in Berlin edits availability while a customer in Singapor...

How to Convert Your Website into a Mobile App

by Israr Kundi

How to convert your website into a mobile app? You have three routes: a progressive web app, a WebView wrapper, or a real rebuild — and the plain wrapper is the one most likely to be rejected. The pro...

Build a Period Tracker App in Flutter

by Muhammad Uzair

A period tracker looks simple on the surface: a calendar, a few logged dates, a prediction. Underneath it is one of the most demanding apps a Flutter developer can build. The dates have to be right —...

Your Flutter Screen Fetches on Every Build. It Should Fetch Once.

by Sohail Khan

Your Flutter screen fetches on every build. It should fetch once. A screen I reviewed called the API inside build. Every rebuild fired the request again, so a keyboard opening, a theme change, or any...

Direct Native Interop in Flutter 3.50: Let’s understand it!

by Abhishek Doshi , on Flutter Pro

It’s time to say goodbye to platform channel boilerplate and call native code directly from Dart! Flutter 3.50 is here, and one feature I’m personally very excited about is direct native interop going...

Maven Central 403 or 429 in GitHub Actions: a Gradle fix

by Yevhen Beshkarov

A Gradle build on a GitHub-hosted runner fails with a Maven Central 403: Received status code 403 from server: Forbidden for a file on repo.maven.apache.org. Or it gets 429, Too Many Requests. Nothing...

Dart for Beginners: The Language Behind Flutter Apps

by Arhan Khan

Dart is the programming language Google created for building apps with Flutter, and it is the reason one codebase can run on iPhone, Android, and the web. It is a modern, clean language that is easy t...

Streamline Your Workflow: Automating Flutter App Uploads with Fastlane

by Muhammad Tahir

Streamline Your Workflow: Automating Flutter App Uploads with Fastlane As Flutter developers, we know the thrill of building beautiful, high-performance cross-platform applications. However, the journ...

How to play animated SVG in Flutter (flutter_svg won't)

by Ivan Chernoknizhnikov

Short answer: flutter_svg doesn't play SVG animations: it skips SMIL elements like <animate> and ignores <style>, so the file shows as a still picture. To play the animation that's already in the SVG,...

What’s new in Flutter 3.50 and Dart 3.14

by Flutter

Why Flutter? → https://g.dev/flutter/whitepaper What's new in Flutter 3.50 → https://g.dev/flutter/whats-new-3.50 Announcing Dart 3.14 → https://g.dev/dart/announcing-3.14 Emma covers the latest updat...

Multi-window on desktop with Flutter

by Flutter

Try it out → https://g.dev/flutter/windowing Want to create desktop apps that pop? You can use Flutter’s experimental windowing APIs to take your desktop app to the next level! Canonical and Google ha...

The new way to build custom design libraries with Flutter

by Flutter

pkg:mix → https://g.dev/flutter/mix Widgetbook Cloud → https://g.dev/flutter/widgetbook-cloud Material and Cupertino get your Flutter app off the ground fast, but they belong to Google and Apple, not...