ka

Khairul Azharsenior software engineer

Writing / Journal

Field notes,
slowly written.

Essays on mobile engineering, distributed systems, and the craft of leading small teams through long projects.

FeaturedTutorialOct 30, 2025 · 3 min

Deploying a Flutter App to Google Play in 2025: A Fast, Safe, End-to-End Guide

A concise, up-to-date deployment guide for Flutter apps: signing, building AAB, testing on Play tracks, policy checks, and publishing to Production.

Deploying a Flutter App to Google Play in 2025: A Fast, Safe, End-to-End Guide

Oct 27, 2025
Preparing Your Flutter Apps for Google Play’s 16KB Page Size Requirement
Starting November 2025, Flutter apps targeting Android 15+ must support 16KB memory pages. Learn what it means, how it affects your app, and how to prepare.
Technical
Oct 26, 2025
Understanding Stateful vs Stateless Widgets in Flutter
A clear and concise explanation of the key differences between stateful and stateless widgets in Flutter, including when and why to use each for better app performance and maintainability.
Technical
Sep 11, 2025
Building a Modern Responsive Navbar with Next.js and Tailwind CSS
Learn how to build a modern, responsive navigation bar using Next.js and Tailwind CSS. Step-by-step guide with code examples and best practices.
Technical
Sep 10, 2025
Flutter Performance Optimization: The Power of Const Widgets
Discover how to dramatically improve your Flutter app's performance using const widgets. Learn practical techniques to prevent unnecessary rebuilds and optimize your widget tree with real-world examples and best practices.
Technical