Android Blog

Production Android notes for senior engineers.

Jetpack Compose, MVVM, clean architecture, coroutines, Flow, Hilt, Firebase, GraphQL, interviews, and system design.

Jetpack Compose1 min read

Jetpack Compose State Management for Production Apps

A practical model for state holders, UI state, events, and testable Compose screens in large Android codebases.

ComposeKotlinStateTesting
Clean Architecture1 min read

Clean Architecture Modules That Do Not Slow Teams Down

How to split Android features into app, feature, domain, and data modules without creating architecture ceremony.

ArchitectureModularizationMVVMSystem Design
Jetpack Compose1 min read

Jetpack Compose State Management for Production Apps

A practical model for state holders, UI state, events, and testable Compose screens in large Android codebases.

ComposeKotlinStateTesting
Clean Architecture1 min read

Clean Architecture Modules That Do Not Slow Teams Down

How to split Android features into app, feature, domain, and data modules without creating architecture ceremony.

ArchitectureModularizationMVVMSystem Design
Flow1 min read

Kotlin Flow Patterns Every Senior Android Developer Should Know

Cold streams, hot streams, sharing, retries, combining state, and the interview-level reasoning behind Flow choices.

KotlinFlowCoroutinesInterview Questions
System Design1 min read

Offline-First Android System Design

Designing sync, conflict resolution, local projections, and UI states for Android apps that must work through weak networks.

System DesignRoomDBFirebaseClean Architecture
Hilt1 min read

Hilt Dependency Injection Guide for Scalable Android Apps

A concise guide to Hilt scopes, modules, testing replacements, and avoiding dependency graphs that become hard to reason about.

HiltTestingArchitectureKotlin