Kotlin Coroutine Delay Example | lifecycleScope Countdown Timer in Android App

Описание: Learn how to build a simple Android app using Kotlin Coroutines and lifecycleScope. In this tutorial, you'll see:

How to use delay() to show a delayed message after a button click
How to run a countdown timer with coroutine on the UI thread
The difference between Dispatchers.Main and Dispatchers.IO

A practical explanation of coroutines and Android threading with lifecycleScope
Perfect for beginners in Android development who want to master asynchronous programming without blocking the UI.

Topics Covered:
Kotlin Coroutine Basics
lifecycleScope in Android
Using delay() and updating TextView
Countdown Timer using coroutine loop
UI Thread vs Background Thread