https://sudarshantechlabs.com/blog/tag/architecture Posts tagged Architecture from SudarshanTechLabs. en-us Tue, 14 Jul 2026 00:00:00 GMT support@sudarshantechlabs.com (Sudarshan Chaudhari) support@sudarshantechlabs.com (Sudarshan Chaudhari) https://sudarshantechlabs.com/blog/hilt-everything-you-need-to-know https://sudarshantechlabs.com/blog/hilt-everything-you-need-to-know A from-the-ground-up guide to Hilt on Android — what dependency injection actually buys you, the core annotations, how to provide and scope dependencies, and the small set of rules that keep DI from turning into a maze. · 4 min read Tue, 14 Jul 2026 00:00:00 GMT Hilt Dependency Injection Android Kotlin Architecture https://sudarshantechlabs.com/blog/how-qa-thinking-makes-better-developer https://sudarshantechlabs.com/blog/how-qa-thinking-makes-better-developer 13 years in QA before switching to product development changed how I write code. Not the testing part — the failure-mode thinking that happens before a line is written. · 3 min read Fri, 03 Jul 2026 00:00:00 GMT QA Engineering Solo Dev Architecture https://sudarshantechlabs.com/blog/kotlin-coroutines-patterns-every-app https://sudarshantechlabs.com/blog/kotlin-coroutines-patterns-every-app After using Coroutines across 22+ Android apps, certain patterns appear in every codebase. Here are the ones that matter — with the mistakes they prevent. · 3 min read Tue, 30 Jun 2026 00:00:00 GMT Kotlin Coroutines Android Architecture https://sudarshantechlabs.com/blog/android-background-work-workmanager-coroutines-services https://sudarshantechlabs.com/blog/android-background-work-workmanager-coroutines-services Three tools for background work, three different jobs. Picking the wrong one means battery drain, broken behavior on OEM devices, or work that silently stops running. · 3 min read Mon, 29 Jun 2026 00:00:00 GMT Android Kotlin WorkManager Architecture https://sudarshantechlabs.com/blog/clean-architecture-android-when-it-helps https://sudarshantechlabs.com/blog/clean-architecture-android-when-it-helps Clean Architecture is the default recommendation for Android. It's also frequently over-applied. Here's an honest take on when it earns its complexity and when it doesn't. · 3 min read Sat, 27 Jun 2026 00:00:00 GMT Android Architecture Kotlin Engineering https://sudarshantechlabs.com/blog/kotlin-stateflow-vs-livedata-2026 https://sudarshantechlabs.com/blog/kotlin-stateflow-vs-livedata-2026 LiveData is deprecated. StateFlow is the answer — but knowing why matters more than knowing which. Here's the practical breakdown after switching 22+ Android apps. · 3 min read Fri, 26 Jun 2026 00:00:00 GMT Android Kotlin Architecture StateFlow https://sudarshantechlabs.com/blog/android-workmanager-foregroundservice-background-location https://sudarshantechlabs.com/blog/android-workmanager-foregroundservice-background-location Android's background process restrictions exist to protect battery life and user privacy. They also make background location collection significantly harder than it looks. Here is what actually works, why, and what the alternatives get wrong. · 6 min read Sat, 13 Jun 2026 00:00:00 GMT Android Engineering Architecture https://sudarshantechlabs.com/blog/stateflow-vs-livedata-22-apps https://sudarshantechlabs.com/blog/stateflow-vs-livedata-22-apps The switch from LiveData to StateFlow was not a trend decision. It was driven by a specific crash pattern. Here is what LiveData was getting wrong, what StateFlow changed, and what it costs. · 5 min read Fri, 12 Jun 2026 00:00:00 GMT Android Kotlin Architecture https://sudarshantechlabs.com/blog/firebase-realtime-db-vs-firestore-location-tracking https://sudarshantechlabs.com/blog/firebase-realtime-db-vs-firestore-location-tracking Choosing a Firebase database for real-time location sharing is not a preference decision — it's a constraint decision. Here is why Firebase Realtime DB won over Firestore for MyFamilyTracker, and what the tradeoff actually costs. · 4 min read Thu, 11 Jun 2026 00:00:00 GMT Android Firebase Architecture https://sudarshantechlabs.com/blog/managing-22-android-apps-solo https://sudarshantechlabs.com/blog/managing-22-android-apps-solo Running 22+ live Android apps as a solo developer is not a scaling problem — it's an architecture problem. Every tool I built and every pattern I adopted was a direct response to a specific failure that became unacceptable at fleet scale. · 6 min read Wed, 10 Jun 2026 00:00:00 GMT Android Engineering Architecture https://sudarshantechlabs.com/blog/android-interview-questions https://sudarshantechlabs.com/blog/android-interview-questions Senior Android interview questions test deep understanding, not syntax recall. Here are 15 hard questions covering architecture, concurrency, performance, and testing — with the answers that demonstrate senior-level thinking. · 5 min read Sat, 06 Jun 2026 00:00:00 GMT Android Career Kotlin Architecture https://sudarshantechlabs.com/blog/hilt-dependency-injection-android https://sudarshantechlabs.com/blog/hilt-dependency-injection-android A practical guide to Hilt DI in Android — how scopes work, how to structure modules, common mistakes, and how to write tests against Hilt-injected code without fighting the framework. · 6 min read Wed, 20 May 2026 00:00:00 GMT Android Kotlin Hilt Architecture Testing https://sudarshantechlabs.com/blog/room-database-best-practices-for-production-apps https://sudarshantechlabs.com/blog/room-database-best-practices-for-production-apps This post shares 7 critical Room Database practices I've refined over 13 years of QA and building 22+ apps at SudarshanTechLabs. Focused on avoiding crashes, data loss, and performance pitfalls in production. · 3 min read Wed, 20 May 2026 00:00:00 GMT Android Kotlin Architecture Data https://sudarshantechlabs.com/blog/clean-architecture-in-android-use-cases-repositories-and-data-sources https://sudarshantechlabs.com/blog/clean-architecture-in-android-use-cases-repositories-and-data-sources A deep dive into decoupling business logic from frameworks using the Use Case, Repository, and Data Source pattern to build scalable Android apps. · 7 min read Mon, 18 May 2026 00:00:00 GMT Android Kotlin Architecture Best Practices https://sudarshantechlabs.com/blog/android-architecture-lessons https://sudarshantechlabs.com/blog/android-architecture-lessons After shipping 20+ Android apps as a solo developer, I settled on MVVM with Clean Architecture, Hilt, and StateFlow. Here's why, and what I'd tell myself if I were starting over. · 3 min read Sat, 09 May 2026 00:00:00 GMT Android Architecture Kotlin Hilt https://sudarshantechlabs.com/blog/room-advanced-patterns https://sudarshantechlabs.com/blog/room-advanced-patterns Basic Room is straightforward. Relations between entities, full-text search, complex queries, and custom type converters are where most developers hit walls. Here's how to handle the advanced cases correctly. · 4 min read Fri, 08 May 2026 00:00:00 GMT Android Data Kotlin Architecture https://sudarshantechlabs.com/blog/android-compose-navigation https://sudarshantechlabs.com/blog/android-compose-navigation Jetpack Compose Navigation replaces the Fragment back stack with a declarative nav graph. Here's how to set it up correctly, pass arguments between screens, handle deep links, and manage the back stack without common pitfalls. · 4 min read Thu, 07 May 2026 00:00:00 GMT Android Jetpack Compose Kotlin Architecture https://sudarshantechlabs.com/blog/kotlin-coroutines-vs-rxjava-in-2026-choosing-the-right-tool-for-modern-android-development https://sudarshantechlabs.com/blog/kotlin-coroutines-vs-rxjava-in-2026-choosing-the-right-tool-for-modern-android-development Learn when to use Kotlin Coroutines or RxJava in 2026 for Android apps, with code examples, performance benchmarks, and real-world use cases from a solo dev's perspective. · 3 min read Tue, 05 May 2026 00:00:00 GMT Android Kotlin Coroutines Jetpack Compose Architecture https://sudarshantechlabs.com/blog/designing-offlinefirst-android-apps-that-thrive-on-flaky-networks https://sudarshantechlabs.com/blog/designing-offlinefirst-android-apps-that-thrive-on-flaky-networks A step‑by‑step guide to building Android apps that stay functional when connectivity drops, using Jetpack Compose, Room, Kotlin Coroutines, and a clean offline‑first architecture. · 7 min read Mon, 04 May 2026 00:00:00 GMT Android Kotlin Architecture https://sudarshantechlabs.com/blog/android-architecture-decisions https://sudarshantechlabs.com/blog/android-architecture-decisions Not every architectural choice is equally important. After 22 apps, here are the decisions that compound positively — and the debates that waste your time. · 5 min read Fri, 01 May 2026 00:00:00 GMT Android Architecture Kotlin Solo Dev https://sudarshantechlabs.com/blog/how-i-built-22-android-apps-solo https://sudarshantechlabs.com/blog/how-i-built-22-android-apps-solo From zero to 22 live Play Store apps as a solo developer. The architecture decisions, tooling, and mental models that made it possible without burning out. · 4 min read Tue, 28 Apr 2026 00:00:00 GMT Android Solo Dev Kotlin Play Store Architecture https://sudarshantechlabs.com/blog/kotlin-sealed-classes-patterns https://sudarshantechlabs.com/blog/kotlin-sealed-classes-patterns Sealed classes are more than a fancy enum. Here are the patterns that make them indispensable for Android development: representing results, modeling state machines, handling events, and using sealed interfaces for better composition. · 5 min read Mon, 30 Mar 2026 00:00:00 GMT Kotlin Android Architecture Patterns https://sudarshantechlabs.com/blog/android-offline-first https://sudarshantechlabs.com/blog/android-offline-first Offline-first means the app works without a network connection and syncs when one is available. It's the right architecture for most mobile apps but requires deliberate design. Here's how to build it with Room, WorkManager, and conflict resolution. · 4 min read Sat, 28 Mar 2026 00:00:00 GMT Android Architecture Data Kotlin https://sudarshantechlabs.com/blog/kotlin-clean-architecture https://sudarshantechlabs.com/blog/kotlin-clean-architecture Clean Architecture is widely referenced and frequently misunderstood. Here's what it actually means for an Android app, what each layer is responsible for, and the concrete patterns that make it worth the structure. · 4 min read Thu, 26 Mar 2026 00:00:00 GMT Android Architecture Kotlin https://sudarshantechlabs.com/blog/hilt-dependency-injection-testing https://sudarshantechlabs.com/blog/hilt-dependency-injection-testing Hilt makes dependency injection elegant in production code. In tests, it provides HiltAndroidRule and test modules that let you swap out real implementations for fakes. Here's how to use them correctly. · 3 min read Sun, 15 Mar 2026 00:00:00 GMT Android Architecture Testing Kotlin