但如果真的不够用,也可以自定义dispatcher,用扩展函数asCoroutineDispatcher可以非常方便的把Java中的线程池Executors转化为dispatcher: val dispatcher = Executors.newSingleThreadExecutor().asCoroutineDispatcher launch(dispatcher) { delay(1000) println("Single thread dispatcher") } CoroutineName CoroutineName是比较...
但如果真的不够用,也可以自定义dispatcher,用扩展函数asCoroutineDispatcher可以非常方便的把Java中的线程池Executors转化为dispatcher: val dispatcher = Executors.newSingleThreadExecutor().asCoroutineDispatcher launch(dispatcher) { delay(1000) println("Single thread dispatcher") } CoroutineName CoroutineName是比较...
=nulloverridefunonCreate(savedInstanceState:Bundle?){super.onCreate(savedInstanceState)setContentView(R.layout.activity_main)cameraExecutor=Executors.newSingleThreadExecutor()classifier=TFLiteImageClassifier(this)// 请求相机权限if(allPermissionsGranted()){startCamera()}else{ActivityCompat.requestPermissions(this...
但如果真的不够用,也可以自定义dispatcher,用扩展函数asCoroutineDispatcher可以非常方便的把Java中的线程池Executors转化为dispatcher: valdispatcher = Executors.newSingleThreadExecutor().asCoroutineDispatcher launch(dispatcher) { delay(1000) println("Single thread dispatcher") } CoroutineName CoroutineName是比较简...
Executors.newScheduledThreadPool(10) .asCoroutineDispatcher().use { dispatcher -> GlobalScope.launch(dispatcher) { log(1) // 这里会默认继承父协程的调度器 val job = launch { log(2) delay(1000) log(3) "Hello" } log(4) val result = job.join() ...
// 为了模拟出效果,特意使用只有一个线程的线程池来当DispatcherMainScope().launch(Executors.newFixedThreadPool(1).asCoroutineDispatcher()) {val result = withContext(Dispatchers.IO) {Thread.sleep(10_000)println("I am running in ${Thread.currentThread()}")"Hello coroutines"}println("I am running...
Coroutines 1. Overview Scheduling repeating tasks is a common need in programming. We may have seen it in applications such as data updates, sensor monitoring, and sending notifications. In this tutorial, we’ll discuss approaches that make it possible to perform tasks repeatedly and at specific...
4.1. Confined vs. Unconfined Dispatchers By default, a dispatcher is inherited from outerCoroutineScopeunless we explicitly pass a dispatcher to builder functions: runBlocking(Executors.newSingleThreadExecutor().asCoroutineDispatcher()) { launch { Assertions.assertTrue( coroutineContext[ContinuationIntercept...
// 为了模拟出效果,特意使用只有一个线程的线程池来当Dispatcher MainScope().launch(Executors.newFixedThreadPool(1).asCoroutineDispatcher()) { val result = withContext(Dispatchers.IO) { Thread.sleep(10_000) println("I am running in ${Thread.currentThread()}") "Hello coroutines" } println("I...
(baseSslFactory, updatedSslFactory); }; // initial update of ssl material to replace the dummies sslUpdater.run(); // update ssl material every hour Executors.newSingleThreadScheduledExecutor().scheduleAtFixedRate(sslUpdater, 1, 1, TimeUnit.HOURS); HttpResponse<String> response = httpClient.send...