#android-development

Mastering Android Kotlin in 2026: Junior vs Mid vs Senior — 5 Practical Code Examples

The difference between a junior, mid-level, and senior Android developer is not how many design patterns they can name. It is how well they…

Session Management: Idle Timeouts and Step-Up Auth (Android)

Part 9 of our Android security series. Part 8 covered Credential Manager — getting the user signed in. This post covers what happens for…

Credential Manager and Modern Sign-In (Android)

Part 8 of our Android security series. Part 7 covered BiometricPrompt — this post covers what happens before that: how the user actually…

BiometricPrompt Done Right (Android)

Part 7 of our Android security series. Part 6 covered where to store sensitive data — this post covers a common mistake in gating access to…

EncryptedSharedPreferences vs SQLCipher vs Room + Tink: What Should You Actually Use?

Part 6 of our Android security series, kicking off Phase 2: Data & Auth. Part 5 covered Android Keystore — this post is about the layer…

Trailing Lambdas in Kotlin: The Interview Question That Separates Syntax from Understanding

Why Kotlin’s trailing lambda syntax hides compiler rules, Compose performance traps, and real production bugs engineers overlook.

Android Foldables and Flip Phones: A Practical Development Guide for 2026

How to build adaptive, fold-aware Android interfaces without turning your codebase into a collection of device checks.

Testing a Production-Ready Kotlin Multiplatform Application — Part 7

A practical testing strategy for shared business logic, ViewModels, Flow, Ktor, SQLDelight, Android Compose, and iOS — without duplicating…

[Android] activity-alias로 앱 안에서 아이콘 전환 구현하기

쳐랏 앱에 “설정에서 선택한 팀 색깔로 앱 아이콘이 바뀌는” 기능을 추가해야 했습니다. iOS에는 이미 있는 기능이라 그대로 구현하면 될 줄 알았는데, Android로 옮기면서 두 가지 문제를 만났습니다.

Deep Links, Broken Navigation: Why “It’s Just Routing” Is the Wrong Mental Model

Deep linking is a state reconstruction problem, not a routing bug — here’s how to diagnose and fix it in Android apps.

Artificial Intelligence in Web Technologies, AI in Android Development

Intelligence implies human being’s cognitive potentials with judgment, observation, communication, and the most important preparation. To…

Android App Links: From https://xyz.com/word/hello to Your Android App

A few weeks ago, I wanted to solve a problem that sounded almost too easy to be worth a blog post:

Ghosts in the Machine: Rebuilding API Reliability and Idempotency at Scale

A deep dive into token refresh races, TOCTOU bugs, and retry storms that turn one tap into a double charge.

Part 5: The Object That Refuses to Die: Memory Ceilings and Assisted Initialization at Scale

How Paging, Assisted Injection, and Clean UseCases Save Android Apps From OOM Crashes and Broken DI Graphs

Mastering Room v3: Auto-Migrations and Schema Validation

Implementando Pix JSR — Roadmap

Do backend à observabilidade: o roadmap técnico da temporada

Headless JS Tasks: Handling Location Events When Your App Is Completely Killed

There’s a specific moment that trips up almost everyone building background location tracking in React Native: the app is fully terminated…

Jetpack Compose Fundamentals — Part 6: Building Efficient Lists with LazyColumn and LazyRow

In the previous article, we explored one of the most important concepts in Jetpack Compose — Modifiers. We learned how modifiers customize…

Kotlin Over The Air Updates for Android Apps

How we built true OTA for Kotlin apps: not just UI, but business logic, features, and states while letting Android’s own runtime do the…

Jetpack Compose Fundamentals — Part 4: Understanding Column, Row, Box, Arrangement, and Alignment

In the previous part of this series, we explored some of the most commonly used Jetpack Compose UI components, including Text, Image…

Android မှာ အသုံးအများဆုံး Architecture များ

Android Application Development လောကမှာ Code တွေကို စနစ်တကျရှိစေဖို့နဲ့ Maintenance လုပ်ရလွယ်ကူစေဖို့အတွက် Architecture Patterns တွေကို…

Building a Watchdog for Background Tracking That Actually Restarts Itself

No matter how carefully you request permissions, exempt yourself from battery optimization, and configure your foreground service…

The Real Permission Flow for Background Location in React Native (Android + iOS)

If you’ve ever shipped a React Native app that needs to track a user’s location while the app is backgrounded — a delivery app, a…

Jetpack Compose Fundamentals: Understanding Text, Image, Button, TextField, and State Management

If you’re starting your Android development journey with Jetpack Compose, understanding composables and state management is the first major…

What `adb` Can Teach You About Broken Android IPC Protections

When Android developers hear “permissions,” they usually think about camera prompts, location access, notifications, or storage.

Jetpack Compose Setup: A Beginner’s Guide to Creating Your First Compose Project

Learn how to create your first Jetpack Compose project, understand the project structure, preview composables, and integrate Compose into…

On-Device AI Series (Part 3): MediaPipe Tasks

ML Kit gives you Google’s models. MediaPipe gives you the pipeline.

Jetpack Compose Fundamentals: A Modern Way to Build Android UI

Jetpack Compose Fundamentals: Why Every Android Developer Should Learn It

Chasing the Leak: Diagnosing a Memory Leak Killing Our Feed Screen at 20M MAU

Three lifecycle bugs — RecyclerView, a leaky singleton, and image loading — compounded into a memory leak that crashed a 20M-user app.

Part 4: Beyond CRUD: Advanced Relationships, Atomic Transactions, and Paging 3 in Room

Why nesting @Relation five levels deep and calling it clean architecture quietly destroys performance and consistency

A New Ad Fraud Trend: “AfterCall” Ads

Written By: Nir Danon

Part 3: Database Migrations That Won’t Crash Production: From AutoMigrations to Programmatic…

From AutoMigrations to programmatic transforms — how to migrate Jetpack Room databases without losing data or crashing on launch.

The Complete Guide to Android CLI: A Faster Way to Build, Debug, and Automate Android Apps

Android development has traditionally revolved around Android Studio.

Part 5: Custom RecyclerView Layouts, Predictive Animations, and Shift to Compose

Hijack layout logic, master dual-pass predictive animations, and compare RecyclerView virtualization with Compose LazyColumn runtime.

Part 4: The Science of Updates: DiffUtil, ListAdapter, and Partial Rebinding Mechanics

Stop dropping atomic bombs on your View hierarchy. Master Eugene Myers’ algorithm and bitwise update pipelines for jank-free 120 FPS lists.

Part 3: Hunting Frame Drops: Diagnosing and Fixing RecyclerView Scrolling Jank

Exploring cold vs warm scrolls, background data pipelines, prefetch mechanics, and Systrace profiling for performance tuning.

Android Win Tool v2.1.8 MTK Root IMEI REPAIR!

Tool Link: https://go.cyberslinks.com/r.php?id=nm3KUY

Part 2: Eliminating RecyclerView Jank: A Deep Dive into Caching & Prefetching

Cracking the cache engine: tuning Scrap Tiers, GapWorker prediction, and Shared Pools for ultra-smooth nested list rendering performance.

Android and iOS Public Transportation Timetable App with MapLibre Compose Part 2.

If you followed Part 1 of my tutorial you should have a MapLibre Compose application with a map component and an empty BottomSheet. The map…

Part 1: Demystifying RecyclerView Architecture: Layout, Drawing, and the View Lifecycle

An elite-level deep dive into LayoutManagers, the Recycler retrieval loop, the ViewHolder lifecycle, and RenderThread synchronization.

Architectural Data Integrity: Solving Concurrency Bugs in Repositories and Data Persistence

A Guide to Eliminating Race Conditions, Lost Writes, and Logical State Conflicts in Threaded Caching Layers and Jetpack DataStore

StateFlow vs LiveData: Fixing UI State Race Conditions in Android

A Senior Engineer’s Guide to Avoiding Non-Atomic Overwrites and Structural Data Loss in Android ViewModels

7 Essential Skills You Need to Become an Android Developer

Start your Android development journey with the skills employers value most.

The Strategy of Metrics: Choosing KPIs, Designing Dashboards, and Leading with Vision

Design type-safe KPIs, balance data with intuition, and build clear, actionable dashboards without overwhelming stakeholders.

Agentic AI in 2026: Why Your Next Hire Might Actually Be Code

Autonomous AI agents are moving past chat replies into full workflows, and developers who shrug this off are already behind.

How I Found a Deadlock Inside ART That ART Itself Couldn’t Dump

A whole-VM lock-ordering deadlock between the garbage collector and the JDWP debug layer, reproduced on two independent targets, bisected…

Keep UI-Only Logic in the UI with snapshotFlow

Not every piece of UI state belongs in your ViewModel. Scroll position, selection, and other UI-only state can stay in the UI. snapshotFlow…

BroadcastReceiver Security: 7 Mistakes Every Android Developer Should Avoid

“Every exported component is a potential entry point. Secure it as if an attacker already knows it exists.” — Android Security Best…

Google IO 26: Gemini, Big Rocks, Opportunities for Android

In the AI Age, Google continue to thrive in its mobile ecosystem

Part 2: Under the Hood: Modifiers & The Modifier.Node Architecture

Beyond the linked-list myth. Dissecting runtime node transformation, sequence execution, and advanced pipeline overrides.