ESP32 Web Serial API: Live Sensor Data in Next.js
What we built An ESP32 plugged into a PC over USB, with a web app (Next.js) connecting directly to the serial port through the Web Serial API and sh…
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PureHub v1.0.0‑beta.59 – Security‑first Android utilities
PureHub v1.0.0‑beta.59 – Security‑first Android utilities PureHub continues its mission of providing 26 free, no‑ads, privacy‑first, open‑source uti…
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…
Deep‑link crashes in Expo Router when the app hits real traffic
The situation You are a mobile lead on a React Native product that just shipped version 2.4 with Expo Router 2.1.0. The release added a “share‑to‑ap…
Unexpected UI glitches after enabling React Native Fabric
The situation Say you are the lead mobile engineer on a cross‑platform product that ships a daily active user base of ≈ 500 k. The next sprint’s mil…
Why I Built an Unbypassable, 100% Offline Android Focus App with Kotlin & Jetpack Compose
The Problem with 99% of App Blockers We’ve all been there: You download a screen time tracker, set a 30-minute Instagram limit, and the moment you c…
Architecting for Zero-Data Privacy: How I Implemented Android's Local-Only SQLite Architecture in Muffle
The Silent Crisis I was sitting in the front row of a Friday Jumu'ah prayer. The imam had just begun the khutbah, the room was perfectly still, and…
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…
How apps spot an Android emulator (part 1): build props and kernel tells
How apps spot an Android emulator (part 1): build props and kernel tells I spent a few days this month poking at a stock Android emulator to answer…
Run opencode on Android: a free launcher that turns your phone into an AI coding station
opencode` is a terminal-based AI coding agent for your own machine. But what if "your machine" is the phone in your pocket? OpenCode Android is a fr…
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…
Unexpected UI‑Thread Jank When Using Reanimated 4 Worklets
The situation You are a mobile engineer on a small React‑Native team (React Native 0.73, Reanimated 4.5). The sprint goal is to implement a draggabl…
The Screenshot Was Ready. The Status Bar Wasn’t.
A practical Android screenshot workflow for controlling battery, carrier, signal and status-bar details before export. The app screen looked right.…
Pawdub: a pet translator app that refuses to pretend it translates (Android, on-device)
A dog barks at the front door and a subtitle fades in under him: "THE MAILMAN HAS RETURNED. I WILL HANDLE THIS." That is Pawdub, a new Android app I…
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…
Termux Copy code Output to Clipboard
📋 Stop Copying Terminal Output Manually! Meet ca , a Clipboard Shortcut for Termux Tags: #android #termux #bash #opensource If you use Termux on And…
Intune App Protection Policy Not Applying: A Read-First License, Targeting, and Check-In Triage
You assigned an Intune app protection policy (APP, also called MAM) for iOS/iPadOS or Android. Outlook still lets the user copy mail into a personal…
Building Custom Geofencing for Android Without Google Play Services
It happened during a critical team meeting. The room was silent, the project lead was outlining the Q4 roadmap, and then, my phone erupted with a lo…
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…
Building a reading ruler that floats over every Android app: touch pass-through, Android 12's opacity cap, and masks
I make ReadFocus+, a small Android app that floats a translucent strip (a "reading ruler") over the screen, mainly for people with dyslexia or ADHD…
I Just Want to Build a Notes App That Respects You.
My accounts got hacked one evening at work. It made me ask who controls my notes. So I built Atomic Notes: notes on your phone first, cloud copy in…
Meet Kepta: Remember What Happened to the Things You Own
You lend someone a drill. A few weeks later, you need it and cannot remember who has it. You get your bike repaired. Months later, it starts making…
Google wants to host your personal vibe-coded apps in the Play Store
Google plans to help turn those personal AI-generated apps into wide releases.
Why Finding a PDF on Android Can Be Harder Than Saving It
Saving a file on a phone is easy. Finding it again three weeks later is a different problem. You remember receiving a PDF. You probably opened it. B…
Hidden program in cheap Android phones turns them into advertising tools from the factory
Bitdefender details Midnight Mimosa, a preinstalled firmware malware found on low-cost MediaTek-based Android devices across 150+ countries. The ana…
Android's external/ libraries: hunting n-days in code that upstream already fixed
"Android's external/ libraries: hunting n-days in code that upstream already fixed" (Alternative: "I built a fuzzing platform on a 2-core VPS. Here'…
How I Kept a 4K Media Client Under 1 MB (When Every Player App Weighs 100 MB+)
I build small software. My latest project, RKMovies, is a 4K-capable media client for Android and Windows that ships as a 0.91 MB APK. Not 91 MB — 0…