How to Publish Your First Android App on Google Play: A Complete Checklist
How to Publish Your First Android App on Google Play: A Complete Checklist Publishing your first Android app on Google Play involves more moving par…
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Easy Full Stack Authentication and Login in the Style of Spring
Three requests leave your app just as its access token expires. If each refreshes independently, the first exchange can invalidate the refresh token…
Android on iOS, Web & Desktop Efficiently and for Free
We are not the first to bring Android to iOS. Earlier projects brought Android's runtime along with the application. Dalvik was built for Android, i…
Before You Hand Over a Broken Phone or Laptop: A Practical Prep Checklist
Disclosure: I'm part of the team at CellShoppe Phone & Laptop Fix , a repair shop in West Edmonton, Alberta, that has been operating since 2015.…
Stop Bypassing SSL in Flutter: Solving the Missing Intermediate Certificate Nightmare with AIA Chasing
Stop Bypassing SSL in Flutter: Solving the Missing Intermediate Certificate Nightmare with AIA Chasing Every Flutter developer has run into this mad…
Is Android App Protection Still Necessary After REA? How Should Developers Choose an App Hardening Solution in 2026?
Is Android App Protection Still Necessary After REA? How Should Developers Choose an App Hardening Solution in 2026? 1. Has REA Made Traditional APK…
Why HTTPS Won’t Save Your Checkout Flow: Building Zero-Trust State Machines in Kotlin Multiplatform
How to protect multi-step workflows, fin-tech funnels, and Server-Driven UI from step-skipping, state tampering, and replay attacks — with zero runt…
Can you migrate to material_ui yet?
What changed, and why For years, package:flutter/material.dart came with the SDK. You installed Flutter, and Material came with it, same version, sa…
Should You Leave the SIM Card in an Old Phone Security Camera? A Dual-SIM Guide for Offline, Wi-Fi and Mobile Data Setups
Most old Android phones that become security cameras still have a SIM card inside. Often it is the old number from before the upgrade. Sometimes it…
How to Write a Mobile App Project Brief: Free Template and Example
Originally published on Codent . Turn an app idea into a scope a developer can assess. Includes a free brief, a worked example from Flowboo, and que…
How to Budget Realtime Score Retention Across Cellular Handoffs: API Boundary Patterns
Short answer: make the feed a replayable log with an explicit cursor, and let the client switch from live delivery to bounded backfill whenever a mo…
How to Add Geofencing to an Ionic App
In this tutorial, we build a store reminder page in Ionic Angular: switch on a toggle for a store, and when you later walk within 200 meters of it,…
Designing a Geofenced Attendance System: Haversine, GPS Accuracy and Anti-Spoofing (with Python)
"Only allow check-in at the office" sounds like one if statement. In production it becomes a pile of edge cases: imprecise fixes inside concrete bui…
HealthKit to JSONL vs JSON: one snapshot survives a cut sync, the other gives you nothing
Two apps can write the exact same Apple Health records to disk and behave nothing alike the moment a sync gets interrupted. I benchmarked it on 2026…
Native Desktop Themes for Production Apps
A desktop app needs more than larger versions of its phone controls. Dialogs need their own windows. Title bars, scrollbars, and keyboard focus need…
Your Push Request Succeeded. The Device Key Is Dead.
Your server sends a push request and gets a successful response. Somewhere in the target list is a device key that stopped working weeks ago. The re…
On-Device Computer Vision in React Native: Auto-Aligning Progress Photos with MediaPipe and Expo
A person can take thirty photos of the same face and still produce a timelapse that looks like camera shake. On Monday they stand closer to the mirr…
CVE-2026-80097: The Authenticator App Is a Credential Store, Not Just a Prompt
CVE-2026-80097: The Authenticator App Is a Credential Store, Not Just a Prompt Microsoft Authenticator was the control most organisations reached fo…
The Real Challenges of Testing Android Apps Across Devices
The hardest part of shipping an Android app is not building it; it’s making sure it works on the thousands of devices your users actually own. An ap…
Anti-Peeping AI Shield: How We Are Fixing Mobile Privacy with Messagram
Hello DEV Community! 👋 My name is Rodion, I’m a software developer from Ukraine. Today I want to share a unique feature of a privacy-focused messeng…
What breaks when you ship to ten locales at once
I localized a mobile app into ten languages. Most of what I'd read beforehand was about how to translate. Almost none of it was about what goes wron…
React Native vs Flutter in 2026: Which to Choose
Originally published on the MatrixInn Solutions blog . React Native vs Flutter is still the first real decision most teams make when they commit to…
Expo SDK 58 beta opens with iOS 27 support and a faster build pipeline
You update your simulators, iOS 27 drops, and every app you haven't rebuilt yet either misbehaves or just looks wrong on the new scene-based life cy…
How to Use Gemini Nano in a Capacitor App
Originally published on the Capawesome blog . Gemini Nano is Google's on-device language model for Android, and a Capacitor app can prompt it withou…
Marrow vs MetricBridge: free on-phone MCP or a zero-dependency local server
Marrow vs MetricBridge: free on-phone MCP, or a zero-dependency local server Two ways to let an AI read your Apple Health data without a cloud accou…
Adding DRM to Native Video Apps and AWS Live Streaming: What to Validate
A protected video player has to work across several playback environments. Android, iOS, Apple TV and Samsung Smart TV do not share one player stack…
Deferred Deep Links in React Native: Complete Integration Guide
If you've shipped a React Native app, you've probably wired up universal links / app links already. Existing users tap a link, the OS hands it to yo…
I Built AsstsManager: A Simple Asset & Tool Tracking App
Managing tools and equipment sounds simple—until you have dozens, hundreds, or thousands of assets spread across different locations and assigned to…
One Java Model from the App to PostgreSQL
The annoying part of full stack development is finding the same rule in three places. The app checks a field, the server checks it slightly differen…
38 Dart & Flutter Tips That Actually Make a Difference in Production
After 4+ years of building Flutter applications, I’ve learned that the biggest improvements often come from small decisions repeated every day. A be…