In order to put a series of related download tasks into a task group, a developer uses the following code:
String dispatcherName =
"parallelTaskDispatcher";
TaskDispatcher dispatcher =
createParallelTaskDispatcher(dispatcherName,TaskPriority.DEFAULT);
Group group
=dispatcher.createDispatchGroup();
dispatcher.asyncGroupDispatch(group,new
Runnable(){
@Override
public void run(){
HiLog.info(LABEL_LOG,"download taskl is
running ");
}
});
dispatcher.groupDispatchlotify(group,new
Runnable(){
@0verride
public void run(){
HiLog.info(LABEL_L0G,"the close task2 is
running");
}
});
dispatcher.groupDispatchlotify(group,new
Runnable(){
@Override
public void run(){
HiLog.info(LABEL_L0G, "the close task is
running after all tasks in the group are
completed");
}
});
If the developer runs this code, which of the following results might occur?
If a reading app uses the language recognition capability provided by HarmonyOS, the app can automatically read a novel.
A developer is using CommonEventData to encapsulate information about ordered public events for data processing when publishing, distributing, and receiving. What do I need to pay attention to when developing?
There is an application A that occupies a large amount of memory and a background service B on the mobile phone, but there is no binding relationship between the two. What are the following scenarios that may cause Service B to be stopped?
If an engineer uses the two-way preview function of JavaScript in DevEco Studio, which of the following items can be supported after the function is enabled?
Which of the following subsystems in HarmonyOS belongs to the Enhanced Software Services subsystem?
What are the following types of task dispensers that HarmonyOS provides for developers?
A Page Ability (hereinafter referred to as "Page") may consist of one or more AbilitySlice, which refers to the sum of a single page of an application and its control logic.
A developer needs to use the emulator in DevEco Studio, click to log in to the emulator and enter your HUAWEI ID, and the browser will directly jump to the real-name authentication interface. What are the reasons for this problem?
When testing the Bluetooth Low Energy feature of HarmonyOS, a developer needs to make the central device perform Bluetooth scanning. Which of the following descriptions of the developer's actions are correct?
What are the common problems in uploading software packages during the listing process of HarmonyOS applications/metaservices?
JavaScriptUl does not support async and await syntax.
HarmonyOS maintains a stack of AbilitySlice instances for each Page, and each AbilitySlice instance that enters the foreground will be added to the stack.
The main axis of the Row container is horizontal, and the cross axis is vertical, and its parameter type is VerticalAlign, and VerticalAlign defines the following types?
Which of the following information is included in the module.json5 configuration file?
