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Questions - kotlin-coroutines

Get value from withTimeout

I'm running a coroutine that is reading from a receiverChannel. I've got this coroutine wrapped within a timeout and I want to get the number of messages it managed to read before the timeout cancels ...
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Martin

kotlin

kotlin-coroutines

Votes: 0

Answers: 1

Latest Answer

Local variables in a coroutine don't need to be atomic because of the happens-before guarantee even though there may be some thread swapping going on. Your code doesn't have any parallelism, so you ca...
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Tenfour04

How to define a task, run it in the future, and cancel it using Kotlin coroutines

I'm new to kotlin Coroutines. I define a Runnable and call it asynchronously in a function using Handler with a delay. The important thing is that the previous task must be canceled before each call s...
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Hussein Yaqoobi

android

multithreading

kotlin

kotlin-coroutines

android-handler

Votes: 0

Answers: 1

Latest Answer

You can define a Job and cancel it: private var job: Job? = null private fun myFunction() { job?.cancel() job = scope.launch(ioDispatcher) { delay(3000) ... } }
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Hussein Yaqoobi

How to observe Ktor download progress by a Flow

I want to observe the download progress by a Flow, so I wrote a function like this: suspend fun downloadFile(file: File, url: String): Flow<Int>{ val client = HttpClient(Android) ...
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TangSir

kotlin

kotlin-coroutines

ktor

ktor-client

Votes: 0

Answers: 1

Latest Answer

Use callbackFlow instead of flow. A regular flow can't launch background code, and can only emit values from code inside the flow itself. Meanwhile, a callback flow can launch other work in the backgr...
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Sam

Is there a way to know if your coroutine has been canceled from within a suspend function

I'm using a CoroutineWorker but all my business logic is a separate class which I start using a suspend function. I would prefer to keep all the logic in this class but I need to know if the work requ...
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ExNatura

android

kotlin

kotlin-coroutines

coroutine

android-workmanager

Votes: 0

Answers: 3

Latest Answer

To determine whether the current Job is still active (has not completed and was not cancelled yet) in the suspend function you can use isActive property. Example: suspend fun callApi() = withContext(D...
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Sergio

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