@khacdai37it
I make iOS videos in Vietnamese — the things I had to learn the hard way over ten years of shipping, explained properly rather than skimmed. No copy-this-and-move-on tutorials.
Subscribe on YouTubeWhat You'll Learn
Topics I keep coming back to, drawn from problems I have actually had to solve on production apps.
Swift & UIKit
Layout, navigation, gestures, animation — and how UIKit and SwiftUI actually coexist in a real codebase.
Architecture
MVVM in practice, dependency handling, and how to keep a codebase readable after three years of feature churn.
Real-Time Media
Video and voice streaming with Agora SDK and WebRTC — the parts the documentation glosses over.
Data & Offline
Core Data, Realm, and Apollo caching — making an app feel instant when the network does not cooperate.
Performance
Profiling with Instruments, cutting crash rates, memory and threading work on real production apps.
Shipping
App Store review, TestFlight, CI, and everything between 'it works on my machine' and a live release.
Videos
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