GreenRobotLabs Blog
Engineering Insights
Deep dives into Android performance, modern architecture, and the tools we build.
Hello World: Building Better Android Apps
Welcome to the GreenRobotLabs engineering blog. Here is what you can expect from our technical deep dives.
Jetpack Compose State Management: Practical Guide
Learn practical Jetpack Compose state management with state hoisting, ViewModel patterns, StateFlow, rememberSaveable, and recomposition best practices.
How to Build Small Utility Apps That Users Keep Installed
Learn how to build small Android utility apps people keep installed, focusing on speed, offline-first design, simple UX, and retention.
How to Build a Secure Login Flow on Android
Build a secure Android login flow with modern authentication practices: token storage, biometrics, session handling, and common security mistakes to avoid.
Best Local Notifications Strategy on Android
Build better Android notifications without spam. Learn timing, channels, user control, personalization, and best practices for local notifications.
Offline-First vs Cloud-First: Which Wins in 2026?
Compare offline-first and cloud-first Android app architecture in 2026, including UX, privacy, sync complexity, cost, and reliability tradeoffs.
Play Store ASO: Keywords, Screenshots & Conversion
Improve Android app installs with Play Store ASO: keyword strategy, better screenshots, optimized descriptions, and higher conversion rates.
Crash Reduction Strategy: From Logs to Stable Releases
Reduce Android crashes with a practical strategy: identify top crash clusters, fix root causes, improve error handling, and verify stability after release.
Android App Startup Time: What Makes Apps Slow
Improve Android startup time by fixing cold start bottlenecks, reducing work in Application.onCreate, using profiling, and adding baseline profiles.
Room Database Optimization: Faster Queries & Smaller DB
Speed up Room databases with indexing, query optimization, paging, safer migrations, and cleanup strategies to reduce size and improve performance.
Jetpack Compose Navigation: Clean Patterns That Scale
Learn scalable Jetpack Compose navigation patterns with clean routes, nested graphs, safe arguments, deep links, and bottom navigation setups.
Kotlin Coroutines Best Practices for Production Apps
Learn production-ready Kotlin coroutines patterns: structured concurrency, correct scopes, dispatchers, cancellation, error handling, and Flow tips.
How to Fix ANRs in Android (Step-by-Step)
Learn how to debug and fix Android ANRs using trace analysis, profiling, StrictMode, background work, and production monitoring.
Jetpack Compose Performance: Zero-Jank UI Guide
Learn how to reduce jank in Jetpack Compose with profiling, recomposition fixes, LazyColumn tips, and startup optimizations.
Offline-First Android Apps: Privacy & Speed Explained
Learn how offline-first Android apps improve privacy, speed, and reliability using local storage, sync strategies, and secure design.
Best PDF Tools on Android: Merge, Compress, Convert
Need better PDF workflows on Android? Learn how PDF apps handle reading, merging, compressing, and converting images fast.
QR Code Security on Android: Scan Safely (2026)
QR codes can hide malicious links. Learn safe scanning habits, link preview tips, and how Android apps can prevent QR phishing.