Kotlin Coroutine (High-quality Course)

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In this 2 hour tutorial, you will learn everything you need to know about Coroutines in Kotlin using demos in IntelliJ IDEA and precise presentation.

There are 5 chapters in this course.

In chapter 1, get a solid understanding of what is #coroutine in #kotlin.
Explore the 'suspend' keyword, comparison with threads, delay function, Thread.sleep function and a lot more.
Basics of coroutine builders: launch, async, and runBlocking.

In chapter 2, dive deeper into Coroutine Builders and explore them in detail.
Use GlobalScope companion object to launch coroutines.
Why GlobalScope is discouraged to use?
Test suspending functions by writing a JUnit test case.

In chapter 3, learn to cancel coroutines and handle exceptions.
What is cooperative coroutine? How to write a cooperative code?
Explore job.cancel(), and job.cancelAndJoin() functions.
Use of yield() and delay() suspending functions (suspend modifier).
Explore what is CoroutineScope.isActive boolean flag.
Handle CancellationException and TimeoutCancellationException.
Use withContext(NonCancellable), withTimeout, and withTimeoutOrNull coroutine builders

In chapter 4, compose suspending functions in different ways within a coroutine.
Explore how code execution in coroutine is sequential by default.
How to execute suspending functions in a coroutine concurrently?
Lazily execute async coroutine by using CoroutineStart.LAZY

In chapter 5, learn a few advanced coroutine concepts.
Understand what is CoroutineScope?
What is CoroutineContext?
What is a Dispatcher?
Role of a dispatcher: to assign a thread to a coroutine.
Types of Dispatcher: Confined, Unconfined, Default, Main, and IO
Components of CoroutineContext: Job, Dispatcher, and Coroutine Name.

Source code link: https://bit.ly/2QtcUWR

Timestamps:
00:00:00 Course Overview
00:03:20 Chapter 1: Coroutine Fundamentals
00:03:40 Threads vs. Coroutines
00:07:25 What are Coroutines?
00:08:34 Coroutines Properties
00:09:52 Implement Coroutines
00:22:15 delay function
00:27:38 suspend function
00:28:35 runBlocking lambda
00:33:31 Custom suspending function
00:34:41 Chapter 1: Summary
00:36:12 Chapter 2: Coroutine Builders
00:36:53 Coroutine Builders
00:38:21 Purpose of GlobalScope
00:43:26 launch coroutine builder
00:50:26 async coroutine builder
00:55:18 runBlocking coroutine builder
01:00:25 Chapter 2: Summary
01:01:53 Chapter 3: Coroutine Cancellation and Exception Handling
01:02:31 What is Cooperative Cancellation?
01:11:32 yield function
01:13:16 isActive flag
01:17:48 Handling CancellationException
01:20:29 withContext Coroutine Builder
01:22:20 Throw Exception with message
01:23:43 Timeouts: withTimeout & withTimeoutOrNull
01:28:42 Chapter 3: Summary
01:30:07 Chapter 4: Composing Suspending Functions
01:31:58 Sequential Execution
01:36:44 Concurrent Execution
01:40:40 Lazy Async Execution
01:44:53 Chapter 4: Summary
01:45:31 Chapter 5: CoroutineScope, CoroutineContext, and Dispatchers
01:46:18 CoroutineScope
01:50:15 CoroutineContext (Dispatchers)
02:07:06 Thank You!
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