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…
Architecture
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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…
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
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…
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…
Native or Cross-Platform? A Practical Way to Choose for Your First Mobile App
"Should we go native or cross-platform?" is the first question on almost every mobile project, and the answer is rarely about which framework is bes…
Lookout: The Offline AI Field Companion That Tells You to Put Your Phone Away
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I Built I built Lookout , a privacy-first Android field…
Google's October Update Gives Car Makers a Paintbrush, and I Have Mixed Feelings About It
Google dropped the October 2026 Google System Update a few days ago. Buried inside Google Play Services v26.39 is something that actually matters if…
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…
Diagnose Android APK Installation Failures with ADB
An Android installer dialog often reduces a useful technical failure to two words: App not installed . That message can represent incompatible CPU a…
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…
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…