Architecture Articles

Android Paging 3 Deep Dive: PagingSource, RemoteMediator, and Reactive Pagination

A deep breakdown of Paging 3's three-layer architecture: Pager, PagingSource, and RemoteMediator, including Room, RecyclerView, coroutine dispatchers, caching, and common pitfalls.

Kotlin Flow Engineering: Cold Flows, Channels, StateFlow, and SharedFlow

A practical guide to Kotlin Flow's cold and hot stream models, Channel primitives, SharedFlow and StateFlow tradeoffs, and Android MVVM layer choices.

Android 16 Predictive Back: Migration, Dispatchers, and Gesture-Driven Animation

A practical Android 16 Predictive Back migration guide covering OnBackInvokedDispatcher registration, OnBackAnimationCallback frame-driven animation, Fragment support, Compose PredictiveBackHandler, and a migration checklist.

Android Navigation3 Architecture: Putting the Back Stack Back in Developers' Hands

A close look at Navigation3's core design: turning the back stack from a NavController black box into developer-owned Compose state, with Scene strategies for multi-pane layouts.

Android User Data Backup and Restore: Auto Backup, Key/Value Backup, and DataStore

A deep dive into Android Auto Backup and Key/Value Backup, with practical DataStore migration lessons, backup scheduling, transport encryption, restore pitfalls, and adb debugging commands.

Android Multi-Process Architecture: WebView Isolation and Remote Service Stability

Engineering practices for Android multi-process architecture, including WebView crash isolation, memory separation, AIDL callbacks, process death handling, and Remote Service tradeoffs.

Android Cross-Device Collaboration: From Cross-Device SDK to Communication Architecture

A practical account of moving from Nearby Connections to the Cross-Device SDK, using Session and Resource abstractions to improve connection stability, message reliability, and state management.

Android Task Stack and Activity Launch Modes: A Full-Path Guide

A practical guide to Android Tasks, the back stack, standard, singleTop, singleTask, and singleInstance, with Intent flags and taskAffinity tradeoffs.

OpenClaw Agent Deep Dive: From Prompt Container to Schedulable Execution Unit

A systematic breakdown of the OpenClaw Agent object model, runtime state machine, Session tree, scheduling budgets, tool boundaries, and failure recovery.

OpenClaw Memory Design: From File-Based Memory to Scalable Retrieval

A practical analysis of OpenClaw Memory's file-based design, retrieval architecture, isolation model, extension points, tradeoffs, and production practices.

Git Storage Internals: From Snapshots to Checkout

A practical look at Git's object database, how blob, tree, and commit objects relate, and what git log and git checkout actually do under the hood.

Cross-Platform Motion Collaboration: Using Motion Spec from Design to Code

When advanced motion goes beyond Lottie's limits, a Motion Spec gives design, Android, iOS, Web, QA, and AI code generation a shared language.

Android 16 App Functions Deep Dive: Semantic Indexes and Intent Routing

A deep dive into how Android 16 App Functions uses semantic indexes and on-device AI agents to move cross-app interaction from Intent string matching to intent routing based on semantic understanding.

Kotlin Sealed Classes and Interfaces: Type-Safe UI State

A practical guide to Kotlin sealed classes and sealed interfaces, from exhaustive when checks to type-safe Compose UI state, MVI reducers, Flow results, and Navigation routes.

Kotlin Context Receivers: Type-Safe Implicit Contexts

How Kotlin Context Receivers provide type-safe implicit context injection, avoid Multiple Receivers ambiguity, and fit Android ViewModel and Compose architecture.

Android Stability Monitoring: From Crash SDKs to APM Dashboards

A deep dive into Android production stability monitoring, including Java and native crash collection, ANR detection, reporting pipelines, stack clustering, and APM dashboards.

Android On-device AI Model Delivery and Version Management

A practical model delivery architecture that decouples on-device AI models from APK releases with three-layer versioning, BSDiff incremental updates, and hot rollback.

Large App Architecture Evolution and Modularization

A practical guide to evolving large Android apps from monoliths toward modularized and componentized architectures with better ownership, builds, testing, and delivery.

Android DataBinding Two-Way Binding: From ObservableField to StateFlow

A deep dive into Android DataBinding two-way binding, generated binding code, invalidation loops, and the architectural move from ObservableField and LiveData to StateFlow and Compose.

Progressive Android Compose Migration from Views to Declarative UI

A practical review of progressive migration from Android Views to Jetpack Compose, covering infrastructure, phased replacement, list performance, interop governance, rollout validation, and real performance data.