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…
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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…
Что почитать Android-разработчику в 2026-ом году?
В 2026-ом году я задалась вопросом, стоит ли сейчас читать книги о программировании? И если да, то какие? Читать далее
Secure Your APIs: OAuth2 and JWT for Beginners
Secure Your APIs: OAuth2 and JWT for Beginners APIs are frequent targets for bad actors since they expose data and functionality. Securing them whil…
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…
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…
Kotlin Coroutines vs Java Virtual Threads: A Comprehensive Comparison for Modern Backend Development
Kotlin Coroutines vs Java Virtual Threads: A Comprehensive Comparison for Modern Backend Development Introduction: The Concurrency Evolution The lan…
Architecting a Privacy-First Android App: Why Local-Only Storage Beats Cloud Sync
It happened during a job interview. My phone decided that the precise moment I was explaining my technical background, it needed to play a loud, upb…
Do We Really Need Reflection or Code Generation for JSON in Kotlin? Building a Lightweight JSON Library
Building a lightweight Kotlin/JVM JSON library with a direct JSON representation and optional reflection-based mapping between JSON and Kotlin class…
How I Structured My First KMP App: Modules, Layers and Source Sets
A walkthrough of the modules, source sets and Gradle setup behind a Kotlin Multiplatform app on Google Play. Part 2 of “Building an Exam Prep App wi…
System Design: How to Build a Networking Library Like Retrofit or OkHttp
System Design: How to Build a Networking Library Like Retrofit or OkHttp Networking is one of the most important infrastructure layers in a modern A…
Как добавить новый сценарий в существующее Android-приложение без технического долга
Привет! Меня зовут Ирина, я Android-разработчик в SimbirSoft. Хочу поделиться с вами опытом разработки новых функций и рефакторинга существующих мод…
Android System Design: A Complete Guide for Android Developers
Android System Design: A Complete Guide for Android Developers Modern Android development is no longer only about creating screens and connecting AP…
Android App Security: A Practical Guide to Building Secure Android Applications
Building an Android application is not only about creating a good UI and connecting it to an API. Modern Android applications handle sensitive infor…
Your thresholds do not belong in constants
Every tuning change needed a code review, a release, and a week of store rollout. So we stopped tuning, which is the worst possible outcome. Eightee…
Pragmatic AI-Driven Workflows: Refactoring Legacy Kotlin Code with Gemini in Android Studio
Maintaining legacy Android codebases often feels like taking care of an ancient engine while driving on a highway. Thousands of production apps stil…
Architecting a Low-Power GPS Geofencing Engine for Android Background Services
The board meeting was moving into its third hour when my phone decided to belt out an aggressive notification chime. It wasn't just a ping; it was a…
Invariants are cheap. Silent corruption is not.
We had five numbers that were supposed to add up. Nothing in the codebase checked that they did. The relationship nobody wrote down A tracked journe…
Kotlin + Vision-Language-Action Models for Robotics
Kotlin + Vision-Language-Action Models for Robotics What You Will Build By the end of this tutorial, you will have a Kotlin-based architecture for t…
Kotlin + TensorFlow Lite for Robot Vision
Kotlin + TensorFlow Lite for Robot Vision What You Will Build By the end of this tutorial, you will have a Kotlin-based architecture for the selecte…
Building a Kotlin Dashboard for NVIDIA Physical AI
Building a Kotlin Dashboard for NVIDIA Physical AI What You Will Build By the end of this tutorial, you will have a Kotlin-based architecture for th…
Kotlin + Jetson + Isaac ROS for AI Robots
Kotlin + Jetson + Isaac ROS for AI Robots What You Will Build By the end of this tutorial, you will have a Kotlin-based architecture for the selecte…
Kotlin Coroutines for Real-Time ROS 2 Robot Data
Kotlin Coroutines for Real-Time ROS 2 Robot Data What You Will Build By the end of this tutorial, you will have a Kotlin-based architecture for the…
Optimizing ROS 2 Communication from Android Kotlin
Optimizing ROS 2 Communication from Android Kotlin What You Will Build By the end of this tutorial, you will have a Kotlin-based architecture for th…
Kotlin + ROS 2: Building a Robot Telemetry Dashboard
Kotlin + ROS 2: Building a Robot Telemetry Dashboard What You Will Build By the end of this tutorial, you will have a Kotlin-based architecture for…
Android Kotlin + ROS 2 for Real-Time Robot Control
Android Kotlin + ROS 2 for Real-Time Robot Control What You Will Build By the end of this tutorial, you will have a Kotlin-based architecture for th…
I Let a Coding Agent Render Android UI Without an Emulator. A Screenshot Wasn't Enough.
When a coding agent changes Android XML, it is fairly confident about what it can read: it finds the layout, understands the constraints, and produc…
F-Droid 2.0 Ships Six Days Before Google's Sideloading Lockdown. Here's What Developers Need to Know
F-Droid 2.0 hit #1 on Hacker News with 1,000+ points. The UI rewrite is nice. The timing is the real story. Google starts enforcing Android develope…
NVIDIA TensorRT Edge Model Optimization
NVIDIA TensorRT Edge Model Optimization Modern Physical AI systems are distributed pipelines. The goal is not simply higher FPS; it is predictable l…
End-to-End Smart Glasses Jetson ROS 2 Optimization
End-to-End Smart Glasses → Jetson → ROS 2 Optimization Modern Physical AI systems are distributed pipelines. The goal is not simply higher FPS; it i…