Kotlin coroutines
summary
Explains how Kotlin coroutines replace callback hell with sequential-looking code using suspend functions and shows concrete primitives: withContext(dispatchers.IO), async + await, Jobs, join and cancel. Demonstrates a login then two parallel friend requests that go from 6s sequential to about 4s with async. Covers dispatchers (Default, IO — ~64 threads for IO, Main), builders (runBlocking, launch), scopes for Activity lifecycle, and wrapping legacy callbacks with suspendCoroutine.
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chapters (5)
- 0:00Intro
- 0:41Understanding coroutines
- 10:13Suspending functions
- 15:39Dispatchers
- 29:17Scopes - extending Coroutine Scope
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