Tech

Consoles and Key Files Required for Implementing a Flutter App

A summary of the console settings and key files required when implementing billing, Adjust, and Firebase FCM.

Implementing Firebase FCM Push Notifications (WebView + Android)

How to implement Firebase Cloud Messaging (FCM) push notifications in a WebView-based Android app. Covers FCM token concepts, PHP/Kotlin code examples, and broadcasting to all users via topics.

Service Account Setup for Server-Side Google Play Billing Verification

How to configure a service account to verify receipts server-side after a successful Google Play Billing Library purchase. The Play Console UI has changed — the old 'API access' menu is gone.

Flutter Android Log Monitoring Setup on macOS

A guide to setting up a Flutter + Android emulator log monitoring environment on macOS.

Setting Up Adjust and Google Play Console Before SDK Integration

A walkthrough of the dashboard-side setup for Adjust SDK and Google Play Billing — app registration, developer verification, and in-app product creation.

Trying to Have a Voice Conversation with AI

Planning a Japanese voice chat system built on the voice-chat project, using Gemini 2.0 Flash for LLM and VOICEVOX for TTS.

I Made a Skill to Replace Claude Code's WebFetch

A workaround for the bug where WebFetch(domain:*) wildcard doesn't work — achieving equivalent functionality with curl and a custom skill.

Splitting CLAUDE.md Didn't Work — GitHub Features Did

Distributing context across local MD files hit a wall. Delegating responsibilities to GitHub Issues, Wiki, and Projects solved it.

Integrating Google Analytics (GA4) into an Astro Site with Partytown

How to add GA4 with Astro's recommended Partytown integration. Running the analytics script in a Web Worker keeps the main thread free and preserves Core Web Vitals.

UI/UX Rework Pain: What It Looks Like From the Field

Thoughts on design tools, vibe coding, and team division after reading a survey report.

Flutter + Adjust SDK: How Attribution Works and Implementation Guide

Ad acquisition tracking for Flutter apps using the Adjust SDK. A practical walkthrough from how attribution works to SDK integration, tracker URL creation, and event tracking.

Flutter WebView + Google Play Billing Implementation Guide

A guide to implementing Google Play billing (consumable items/point purchases) from a web app inside a WebView.