Search
Find anything.
Search across posts, apps, projects, case studies, tools, and key site pages.
Showing 24 results
Android Memory Profiling with Android Studio: A Solo Developer's Guide
Learn how to use Android Studio's memory profiler to detect leaks, analyze heap usage, and write memory‑efficient Kotlin apps as a solo developer.
Android Gradle Version Catalogs in Depth
Discover how version catalogs eliminate version drift, streamline dependency updates, and keep 22+ Android projects consistent across a solo developer workflow.
Compose Navigation with Type‑Safe Routes
Discover how to replace string‑based navigation in Jetpack Compose with sealed‑class routes, achieving compile‑time safety, better IDE support, and cleaner architecture.
Retrofit vs Ktor: Which Network Client Should You Ship With?
A solo Android developer compares Retrofit and Ktor across real-world criteria: setup complexity, coroutine support, serialization, and maintenance overhead, with working code examples you can copy today.
Kotlin Enum vs Sealed Class: Which One Should You Pick
A practical breakdown of Kotlin Enum and Sealed Class, when to use each, and how to decide based on your app's architecture needs.
Android Room Relations: One-to-Many and Many-to-Many
Learn how to model one‑to‑many and many‑to‑many relationships in Android Room with Kotlin, including entity definitions, relationship annotations, and query examples.
Android Runtime Permissions with the Activity Result API
A hands‑on guide to replacing legacy permission flows with the modern Activity Result API, covering migration steps, code samples, and best practices for secure app development.
LaunchedEffect, DisposableEffect, SideEffect
A practical guide to Compose's three side effect APIs with real code examples, decision tables, and a framework for choosing the right API every time.
Compose Modifier Order: Why It Matters for Performance and Correctness
Modifier order in Jetpack Compose isn't cosmetic. It directly affects layout size, click handling, padding behavior, and recomposition cost. This post breaks down the rules, shows real failures, and gives you a mental model you can apply today.
Kotlin Scope Functions Demystified: let, run, with, apply, also
Learn how Kotlin scope functions reduce boilerplate and improve readability through real-world examples. Covers when to use let, run, with, apply, and also with clear guidance.
Reducing Cold Start Time in Android Apps: A Practical Guide
I break down the biggest cold start bottlenecks in Android apps and show you how to measure, profile, and eliminate them with real code examples.
Speeding Up Gradle Builds: What Actually Made a Difference
After 13 years of Android builds and 22 shipped apps, here are the Gradle optimizations that genuinely cut my build times — not theoretical advice, just the knobs I actually turned and the results I measured.
Migrating a View-Based Screen to Jetpack Compose
A hands‑on walkthrough of converting a legacy XML View layout and its surrounding Activity or Fragment into a modern Jetpack Compose implementation, keeping functionality intact while boosting maintainability.
Kotlin Result Types: Error Handling Without Exceptions
This post shows how to replace exception-based error handling with Kotlin's Result type and sealed class hierarchies, including composition patterns and repository integration.
Android Notifications in 2026: Channels, Permissions, and Reliability
Explore how Android's notification system evolved in 2026, covering channel management, runtime permission changes, and proven techniques to ensure reliable delivery across devices.
Kotlin Delegation with by: Writing Less Boilerplate
Learn how Kotlin's delegation with the 'by' keyword eliminates repetitive interface implementations and reduces boilerplate code in Android development.
Jetpack Compose Animations: A Practical Playbook
A hands-on guide to building smooth, performant animations in Jetpack Compose, covering animate*AsState, AnimatedContent, Animatable, and gesture-driven animations with real production patterns from 22+ shipped Android apps.
Kotlin Sealed Classes and Interfaces: Modeling UI State Cleanly
Learn how to replace messy enum-and-null-check patterns with sealed class hierarchies that make UI state exhaustive, testable, and impossible to represent illegally.
Preserving State in Compose Amidst Configuration Changes
I walk through the pitfalls of Compose state when the device rotates, show how to use rememberSaveable, ViewModel, and lifecycle owners to keep UI data intact, and provide real code snippets and tables for quick reference.
Room Database Migration Strategies That Won't Break Production
A battle-tested migration playbook covering auto-migration pitfalls, manual migration patterns, and a zero-downtime deployment strategy I use across 22+ production apps.
Leveraging MCP Servers to Supercharge My Android Development Routine
I explain how I integrate a local MCP server into my Android workflow for instant code suggestions, automated test generation, and seamless CI/CD triggers, showing concrete Kotlin examples and performance gains.
Building A Local-First AI Memory Agent In Rust
How RustMarrow stores personal work context locally with SQLite, provider pullers, Obsidian mirroring, Claude queries, and JSON backup or restore.
My Android Release Checklist: Zero Bad Releases in 2 Years
A detailed, battle-tested checklist for solo Android developers to ensure stable, secure, and high-performance releases. Covers automated testing, CI/CD, performance monitoring, and final sanity checks.
Mastering Room Database in Production: 7 Battle-Tested Practices for Android 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.