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Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 58

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Question 571

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If a developer wants to develop a file background download function, there needs to be a Page Ability to provide UI pages, and a ServiceAbility to provide a background file download function. If you want to perform some operations in the Service Ability after connecting to the Service Ability in the Page Ability, you need to implement the onConnect() method in the Service Ability.

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Question 572

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In order to improve the image quality of network source images, developers can use the Instant Messaging (IM) class intent recognition interface provided by HarmoyOS.

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Question 573

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When a developer is developing a HarmonyOS application, if part of the text in the value field of the JSON resource files of different types of elements in the Element directory does not need to be processed by the translator and will not be displayed on the application interface, a special structure can be used to identify the content that does not need to be translated

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Question 574

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A developer uses continueAbility() to migrate the distributed news application of the mobile phone to the large screen, and the large screen can also migrate the news browsing page back to the mobile phone.

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Question 575

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Sservice Abilit calls the onCommand() method after the creation is completed, and the method can be called once when the client starts the service for the first time, and there is no need to call it again in the future

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Question 576

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If the third-party library used by the developer involves permission management, the permission needs to be declared one by one in the config.json file of the application.

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Question 577

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When installing the HarmonyOS application development environment, if the network can directly access the Internet, developers need to set up Gradle and NPM agents to configure the development environment correctly.

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Question 578

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AR (HarmonyOSAbilityResources) Different HAPs (HarmonyOSAbilityPackage), HAR cannot be installed and run on the device independently, and can only be referenced as a dependency of the application module.

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Question 579

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A Page Instance can contain a group of related pages, and each page is represented by an AbilitySlice instance.

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Question 580

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Components can neither be displayed nor interact with when they are not added to a layout, so a user interface contains at least one layout.

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