Huawei H14-231_V1.0 Practice Test - Questions Answers, Page 57
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The network management module of HarmonyOS provides a data network management function, which can effectively manage HTTP caches to reduce data traffic.
HarmonyOS Distributed File Service can automatically share files under different accounts.
HarmonyOS maintains a stack of AbilitySlice instances for each Page, and each AbilitySlice instance that enters the foreground will be added to the stack.
When a developer develops a social application, he needs to develop a plug-in that generates a contact QR code. In this scenario, the developer can use the code generation Al capability provided by HarmonyOS, which can return the corresponding QR code image byte stream based on the given string information.
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');
On the basis of the supported input events, the multi-mode input defines some input actions commonly used by users as a set of standardized events, and maps the input events of different input devices to the standardized events.
Suppose that multiple AbilitySlice are associated in MainAbility, and multiple AbilitySlice are switched in the same page, the lifecycle of MainAbility and all AbilitySlice is synchronized.
If a reading app uses the language recognition capability provided by HarmonyOS, the app can automatically read a novel.
If you need to use a composite animation, you can combine multiple animated objects and add them to the AnimatorGroup. The AnimatorGroup provides two methods: runSerially() and runParallel(). Indicates that the animation starts at the same time and that the animation starts sequentially.
When using Bluetooth Low Energy in HarmonyOS, the peripheral device, as a client, can receive GATT connection requests from the central device, but cannot Answer: requests for reading and writing eigenvalue content from the central device.
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