Huawei HCIP-HarmonyOS Application Developer V1.0 - H14-231_V1.0 Exam Practice Test
HarmonyOSdefines different open scopes and authorization methods to protect data according to the sensitivity of the data involved in the interface
Correct Answer: C
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When a developer is developing a smart home application, the Switch component will be used to represent the switch of some devices, and ON should be displayed on the ON status component, and 0FF should be displayed on the closed state component. You can use the following code to meet your needs:
Switch btnSwitch=
(Switch)findComponentByld(ResourceTable.
ld_btn_switch);
btnSwitch.setStateOffText("ON");
btnSwitch.setStateOnText("OFF");
Switch btnSwitch=
(Switch)findComponentByld(ResourceTable.
ld_btn_switch);
btnSwitch.setStateOffText("ON");
btnSwitch.setStateOnText("OFF");
Correct Answer: A
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In a HarmonyOS application, which of thefollowing and the ComponentContainer object are actually composed of the interface elements that the user sees?
Correct Answer: D
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In order to ensure that the application has better responsiveness, the developer has designed different priorities for tasks A, B, and C.
Task A maintains the default priority, Task B has HICH, and Task C has LOW. Which of the following descriptions of tasks A.B, and C is correct?
Task A maintains the default priority, Task B has HICH, and Task C has LOW. Which of the following descriptions of tasks A.B, and C is correct?
Correct Answer: A,C
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HarmonyOS single-version distributed databases do not enable automatic synchronization between networked devices by default, but you can enable automatic synchronization if necessary.
Correct Answer: B
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If a developer uses the DevEco Studio tool for application development, which of the following commissioning methods does the tool support?
Correct Answer: A,B,D
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There is a config.json configuration file in the root directory of each HAP (HarmonyOS Ability Package) of an application.
Correct Answer: A,B,D
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If a UI is no longer visible to the user, but you don't want to destroy it, which method will the system call to release the corresponding resources?
Correct Answer: D
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A developer needs to make a list of the minimum necessary permissions for the application he develops. If the minimum necessary permissions list is output correctly, the lack of one of these permissions will cause the application-related services to be unable to implement or run normally.
Correct Answer: B
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Which of the following system resources does the Ark Development Framework provide for developers?
Correct Answer: A,B,D
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In HarmonyOS, there are some applications that can call out universal cards, which can bring you the experience of using ().
Correct Answer: A,B,D
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Which of the following interfaces can repeatedly call a function with a fixed time delay between each call?
Correct Answer: A
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Which of the following products belongs to the security products in the smart homeecology?
Correct Answer: C
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