How to block apps on Android without an AccessibilityService
Almost every app blocker on the Play Store is built on an AccessibilityService . It's the obvious choice: you get a callback every time a window chang…
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Architecting for Zero-Network Dependencies: Challenges in Offline-Only Geofencing
It happened during a quiet midday prayer. The mosque was silent, the atmosphere heavy with focus, and then—the unmistakable, high-pitched trill of a r…
Kdrant: an idiomatic, coroutine-first Kotlin client for Qdrant
If you build on the JVM and want to use Qdrant , the official client is io.qdrant:client — and it's built for Java. Every call returns a ListenableFut…
5 mistakes I made building my first Android app (and how I fixed them)
I'm not a developer. I build Android apps on evenings and weekends using AI coding assistants (GitHub Copilot and Claude). My latest app, ScorePop, is…
Apple locked hearing assistance inside AirPods. So I built an open-source version for any earbuds.
In 2024, Apple shipped something genuinely great: AirPods Pro can run a clinical-style hearing test and then act as hearing assistance, tuned to your …
Detekt Explained: Enhance Kotlin Projects with Static Analysis - part 1
This article was originally published on wilfried.hashnode.dev Static analysis isn't about making your code "look nice." It's about catching the kind …
Топ-10 вопросов с Android-собеседований в 2026 — с разборами
Думаю, многие из нас успели заметить стремительное изменение рынка в последние пару лет: он плавно превратился из рынка соискателя в рынок нанимателя …
Why I'm building yet another UML tool in 2026
Let me get the obvious objection out of the way. PlantUML exists. Mermaid renders natively on GitHub. draw.io is free and works. Enterprise Architect,…
Mastering Design Principles: Dependency Inversion in Kotlin
Abstract In modern software engineering, writing code that simply "works" is only the first step. The real challenge lies in designing systems that ar…
Architecture as a Cost Lever: Cutting Build Times by Splitting a KMP Monolith
Build time is a tax you pay twice: once on every engineer's attention each time they wait, and again on the CI bill every time a pipeline rebuilds the…
Veai 5.8-5.11: что изменилось в агенте, если смотреть на работу разработчика
У AI-агентов есть неприятное свойство: они часто выглядят умнее, чем их обратная связь. Модель может хорошо писать текст, аккуратно рас…
Production Android Auth: OAuth2, PKCE & KeyStore Security
Most Android authentication tutorials stop at “getting the token”. But in real production systems (especially fintech apps), that’s just the beginning…
The Sleeper Announcement from Google I/O 2026 That Will Change How We Think About Apps
This is a submission for the Google I/O Writing Challenge Everyone walked away from Google I/O 2026 talking about Compose First, Gemini integrations, …
AccessLens — a blind person's lanyard, powered by Gemma 4 on-device
This is a submission for the Gemma 4 Challenge: Build with Gemma 4 What I Built AccessLens is an Android app that turns a Pixel 8 worn on a lanyard in…
R8 Minification Silently Killed My Android App's Core Feature (And Tests Didn't Catch It)
My CI pipeline was green. Unit tests passed. The APK built and signed without errors. I installed it on my Pixel 3. The app launched, looked perfect. …
I built a Kotlin DSL test automation framework because existing ones kept failing their own standards
Tags: #testing #kotlin #opensource #cicd Many test automation frameworks don't meet the engineering standards they're supposed to uphold. I say that h…
Даже дождь выглядит как интеграция: История одной профдеформации
Всем привет, меня зовут Михаил, я back-end разработчик в ОТП банке. Сегодня хочу рассказать о профдеформации - о том, как разработка перестраивает моз…
How I built GitHub Store to 12,500 stars in 6 months — I started at 16
Six months ago I was a 16-year-old in Uzbekistan trying to ship a small Android app I'd built. The Play Store process was so heavy for what the projec…
Advanced MVVM in Jetpack Compose: Search, Pagination & Cross-Module Triggers
User types "android" into your search box. That's 7 API calls if you wired it the way I did the first time. A few months later I shipped a pagination …