All the Pitfalls of Coroutines
summary
Covers Kotlin coroutines in Android apps: reviews coroutine basics and correct usage, explains what it means to break structured concurrency, and walks through common and advanced coroutine mistakes that can cause hard-to-debug production issues so developers can detect and avoid them.
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chapters (27)
- 0:00Coroutine pitfalls intro
- 2:28Read coroutine docs
- 3:52Coroutines vs callbacks
- 6:00Coroutine definition
- 9:09runBlocking trap on mobile
- 9:30Structured concurrency
- 12:56Structured concurrency example
- 15:03Coroutine internals
- 18:13Error handling
- 20:17Never ignore CancellationException
- 22:49Correct try-catch order
- 23:52Infinite loops with await
- 25:59Breaking structured concurrency
- 27:44Scope misuse
- 28:28Don't implement CoroutineScope
- 29:54Non-cancellable functions danger
- 30:35Unreferenced coroutine scopes
- 31:38MediaPlayer memory leak
- 34:06Long scopes like LifecycleScope
- 35:08Avoid dispatcher blocking
- 37:57Common dispatcher errors
- 38:17Missing suspend API
- 40:44Errors in callbacks
- 41:28Delays during sleep
- 42:09Large file transfers
- 43:34Best practices recap
- 43:56Q&A
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