Roman Tsisyk — Android Systems

Memory Visibility — Why Your Code Works… Until It Doesn't — Code From Scratch #61

Roman Tsisyk — Android Systems

Race Conditions — Why Your Code Randomly Breaks — Code From Scratch #60

Roman Tsisyk — Android Systems

Context Switching — The Hidden Performance Killer — Code From Scratch #59

Roman Tsisyk — Android Systems

Threads Explained — What Really Happens at OS Level — Code From Scratch #58

Roman Tsisyk — Android Systems

Garbage Collection — What Actually Happens in Memory — Code From Scratch #57

Roman Tsisyk — Android Systems

What new Actually Does in Memory — Code From Scratch #56

Roman Tsisyk — Android Systems

Heap vs Stack — Where Your Objects Really Live — Code From Scratch #55

Roman Tsisyk — Android Systems

Call Stack — What Happens When You Call a Function — Code From Scratch #54

Roman Tsisyk — Android Systems

How Code Actually Executes (Not What You Think) — Code From Scratch #53

Roman Tsisyk — Android Systems

Android Testing Explained (Unit & UI Testing) — Code From Scratch #52

Roman Tsisyk — Android Systems

Dependency Injection Explained (Hilt & DI Basics) — Code From Scratch #51

Roman Tsisyk — Android Systems

Room Database Explained (SQLite in Android) — Code From Scratch #49

Roman Tsisyk — Android Systems

Kotlin Flow Explained (Async Streams Basics) — Code From Scratch #38

Roman Tsisyk — Android Systems

Android Network Requests Explained (API Calls) — Code From Scratch #50

Roman Tsisyk — Android Systems

Android Development Full Course — Compose, ViewModel, Room & More

Roman Tsisyk — Android Systems

Hermes WebUI Self-Hosted AI Agent With Memory That Costs Almost Nothing

Roman Tsisyk — Android Systems

Kotlin Full Course — From Fundamentals to Functional Style

Roman Tsisyk — Android Systems

Kotlin Coroutines Full Course — Concurrency, Channels & Flow

Roman Tsisyk — Android Systems

I Built a Tool That Audits Any Figma File — Here's What It Found

Roman Tsisyk — Android Systems

Repository Pattern Explained (When to Use It) — Code From Scratch #48

Roman Tsisyk — Android Systems

ViewModel Explained (What It Actually Does) — Code From Scratch #47

Roman Tsisyk — Android Systems

Android Navigation Explained (Common Problems) — Code From Scratch #46

Roman Tsisyk — Android Systems

State in Compose Explained (Why UI Breaks) — Code From Scratch #45

Roman Tsisyk — Android Systems

Jetpack Compose Explained (Modern Android UI) — Code From Scratch #44

Roman Tsisyk — Android Systems

Android Layouts Explained (UI Performance Basics) — Code From Scratch #43

Roman Tsisyk — Android Systems

Activity Lifecycle Explained (Why Your App Reloads) — Code From Scratch #42

Roman Tsisyk — Android Systems

Android Architecture Explained (How Apps Actually Work) — Code From Scratch #41

Roman Tsisyk — Android Systems

Claude AI Tried to Replace My Dark UI — Here’s What Happened

Roman Tsisyk — Android Systems

Coroutine Error Handling Explained (Common Mistakes) — Code From Scratch #40

Roman Tsisyk — Android Systems

Flow Operators Explained (map, filter, combine) — Code From Scratch #39

Roman Tsisyk — Android Systems