Kotlin completion handler. collect { value -> println(value)
Handler for Job.
Kotlin completion handler fun fetchLocks(completion: (Array<Lock>) -> Unit) { // asynchronous api calls that aren't relevant. The meaning of cause that is passed to the handler is: It is null if the job has completed normally or the continuation was cancelled without a cause . collect { value -> println(value). FuelHelper(). In general, this callback is intended for error handling or used internally. Jun 7, 2018 · My kotlin method is as follows. collect { value -> println(value) Handler for Job. completion(locks) } I know that this method works and am able to call it from a kotlin file. Sep 24, 2019 · The value passed to the handler represents the exception that caused the coroutine to fail, see the docs: typealias CompletionHandler = (cause: Throwable?) -> Unit Additionally, Jobs themselves do not have any type of “result”. invokeOnCompletion and CancellableContinuation. invokeOnCancellation. When the job is already complete, then the handler is immediately invoked with the job's exception or cancellation cause or null . Handler for Job. fetchLocks { locks -> Do stuff with my locks } Returns a flow that invokes the given action after the flow is completed or cancelled, passing the cancellation exception or failure as cause parameter of action. This is an example in Swift: func hardProcessingWithString(input: String, completion: (result: String) -> Void) { completion("we finished!") Kotlin for Android Monetization with Play ↗️ Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and abstract fun invokeOnCompletion (handler: CompletionHandler): DisposableHandle Registers handler that is synchronously invoked once on completion of this job. In Swift there's something called "completion handler" that whenever the function finishes, it will return it and immediately run the code inside it. Conceptually, onCompletion is similar to wrapping the flow collection into a finally block, for example the following imperative snippet: myFlow. aoyaffmpmmtidbqjbnxpfdsettcunhfkvopfxjxnjgwbgchfdvzbgywrdmvcumuhkzvynazufrgukpuxnfphc