Android Unplugged

  Introduction LeakCanary doesn’t just detect leaks — it reports them in a way that developers can act on. But the real power lies in how you, as an engineer and advocate, interpret those reports and communicate their impact. This is the difference between “I fixed a leak” and “I helped my team understand why memory leaks degrade UX and how to prevent them.” That’s advocacy. 🔍 Analyze Memory Leaks Faster LeakLens is an Android Studio plugin that analyzes LeakCanary reports, explains retention paths, and suggests fixes directly inside your IDE. Learn More → 🧩 Anatomy of a Leak Report LeakCanary surfaces leaks via: In‑app notifications (quick feedback loop). Detailed LeakTrace UI (reference chains). Exported reports (for CI/CD integration). Example LeakTrace ┬─── │ GC Root: System class │ ├─ android.view.inputmethod.InputMethodManager │ Leaking: NO │ ↓ InputMethodManager.mLastSrvView ├─ com.example.LeakyActivity │ Leaking: YES (Activity was destroyed) │ ...

Introduction Over the past few weeks, we’ve gone on a journey through LeakCanary and its engine Shark — from the basics of memory leaks to the deepest internals of heap analysis. This wrap‑up post ties everything together, giving you a single reference point for the entire series. 🔍 Analyze Memory Leaks Faster LeakLens is an Android Studio plugin that analyzes LeakCanary reports, explains retention paths, and suggests fixes directly inside your IDE. Learn More → If you’re serious about Android performance, debugging, and advocacy, this is your roadmap. 📚 The Series in Review 1. Why Memory Leaks Matter Defined leaks and their dangers. Showed a leaking Activity example. Explained why leaks silently degrade performance. 2. ObjectWatcher Deep Dive Explored how LeakCanary tracks destroyed objects. Weak references + ReferenceQueue checks. Manual watching for custom objects. 3. Heap Dumping Explaine How LeakCanary freezes the app and writes .hprof . Trade‑offs of heap dumping. Why it’s w...

  In this part of Android Interview Questions Series, I’ll be talking about teh questions related to Data & Networking.   61. Retrofit + Paging3? Interviewer How do you integrate Retrofit with Paging 3 to build an infinite scrolling list? Senior-Level Answer (Production-Oriented) In production, Paging 3 + Retrofit is used to stream paginated network data efficiently while controlling memory, network usage, and UI jank . The architecture typically has three layers : PagingSource → Network-only pagination RemoteMediator → Network + Room (offline-first) Pager → Orchestrates paging, caching, and lifecycle awareness When to use which Network PagingSource (Retrofit → UI) Why PagingSource Limits in-memory items to ~2–3 pages (~60–100 objects) Prevents RecyclerView holding thousands of objects Reduces GC pressure by ~40–60% vs manual pagination Example: Users PagingSource class UserPagingSource ( private val api: UserApi ) : PagingSource< Int , User...