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

Activity Lifecycle Explained (Why Your App Reloads) — Code From Scratch #42 Learn how software actually works — not just syntax, but what happens under the hood. This video is part of the "Code From Scratch" series — a complete journey from zero programming knowledge to real Android development using Kotlin, Coroutines, and Jetpack Compose. ▶ Full course playlist: https://www.youtube.com/@RomanTsisyk/playlists ▶ What you'll learn: - How code executes in memory - How concurrency really works (threads, coroutines) - How Android apps run internally - Why bugs happen in real systems This is NOT a surface-level tutorial. This is about building real mental models. #android #kotlin #programming #softwareengineering #jetpackcompose #coroutines