Huawei H14-231_V1.0-ENU HCIP-HarmonyOS Application Developer V1.0 Online Training
Huawei H14-231_V1.0-ENU Online Training
The questions for H14-231_V1.0-ENU were last updated at Jan 10,2025.
- Exam Code: H14-231_V1.0-ENU
- Exam Name: HCIP-HarmonyOS Application Developer V1.0
- Certification Provider: Huawei
- Latest update: Jan 10,2025
If a developer wants to use the video playback function of HarmonyOS, which of the following subsystems will he use?
- A . Media Subsystem
- B . Safety subsystem
- C . AI subsystem
- D . Location Services Subsystem
A developer is developing a ticket booking application, in the selection of the location of the ticket, you need to use the slide selector Picker, in order to highlight the selected text, the developer sets the rendering effect that the selected text margin is greater than the ordinary text margin.
Which of the following settings are correct?
- A . <Picker…… ohos:selected_normal_text_margin_ratio="5.0"/>
- B . Picker.setSelectNormal TextMarginRatio(5.0f);
- C . <Picker…… ohos:selected_normal_text_margin_ratio="0.5"/>
- D . Picker.setSelectNormalTextMarginRatio(5.0);
Which description of the HarmonyOS clipboard can be correctly interpreted in the following scenarios?
- A . can be copied in application A, but cannot be pasted in application B
- B . can be copied and pasted into app B in app A
- C . Only replication is supported
- D . Only clipping is supported
The HarmonyOS video module supports the development of video services and the opening of the ecosystem, allowing developers to easily play, operate, and develop new functions of video media through the open interfaces. Video playback includes playback controls, playback settings, and playback queries, such as start/stop playback, playback speed settings, and whether to loop playback.
When developing a video playback feature, which of the following steps is correct?
- A . Create a Player instance→ construct a data source object and set the media source → call method prepare(), →call method play(), call method stop(→→ call method release()
- B . Create a Player instance → call the prepare() → play() → construct the data source object and set the media source→ call the stop() → release().
- C . Construct a data source object and set the media source→ create a Player instance→ call method play(), →call method prepare(), →call method stop(→ call method release()
- D . Call the prepare() method → create a Plawer instance→ construct a data source object and set the media source → call method→ create a Player instance, Play() → call method stop() → call method release()
When the engineer is developing JS (JavaScript), the application can successfully load the local image in the common path, but cannot load the network image.
- A . ohos.permission.READ.MEDIA
- B . ohos.permssion.WRITE_MEDIA
- C . ohos.permission.INTERNET
- D . ohos.permission.GET_NETWORK_INFO
Which of the following subsystems is not part of the basic software service subsystem of HarmonyoS?
- A . Event Notification Service subsystem
- B . Telephone service subsystem
- C . Multimedia subsystem
- D . Location Services subsystem
In HarmonyOS, which of the following scenarios is the application responsible for instantiation?
- A . Jump to another page through a hyperlink
- B . reads a novel through a web page and accidentally clicks on an advertisement, which jumps directly to the app store to request the download of a certain game
- C . An app page has messages, contacts, settings, etc., and you can switch between them
- D . Start an AbilitySlice by navigating
HarmonyOS supports developers to customize permissions in the "reqPermissions" field to access permission-protected objects
- A . config.json
- B . ability_main.xml
- C . MainAbilityS1ice.java
- D . string.json
When a developer uses the Text component for development, due to the long length of the input string, the content in the middle of the text needs to be truncated with ellipses.
Which of the following codes can be used to achieve the above requirements?
- A . ohos:truncation_mode=ellipsis_at_start
- B . ohos: truncation_mode=auto_scrolling
- C . ohos:truncation_mode=ellipsis_at_middle
- D . ohos:truncation_mode=ellipsis_at_end
If a developer wants to achieve the effect of page swiping in an application, which of the following components does the developer need to select?
- A . PageSlider
- B . ToastDialog
- C . webView
- D . ProgressBar
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