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Which of the following subsystems is not part of the basic software service subsystem of HarmonyoS?
Which of the following subsystems is not part of the basic software service subsystem of HarmonyoS?A . Event Notification Service subsystemB . Telephone service subsystemC . Multimedia subsystemD . Location Services subsystemView AnswerAnswer: D
The default size of shared memory in Harmony OS is ?
The default size of shared memory in Harmony OS is ?A . 8MB . 4MC . 2MD . 1MView AnswerAnswer: C
In HarmonyOS application development, where can commonly used backgrounds, such as common text backgrounds and button backgrounds, be placed?
In HarmonyOS application development, where can commonly used backgrounds, such as common text backgrounds and button backgrounds, be placed?A . graphicB . mediaC . layoutD . elementView AnswerAnswer: A
Which HarmonyOS streaming solution is used in this scenario?
Browse articles in the reading app on your phone, migrate to the tablet to continue viewing, and exit the reading app on your phone. Which HarmonyOS streaming solution is used in this scenario?A . Multi-terminal migrationB . Multi-terminal collaborationC . Cross-terminal collaborationD . Cross-terminal migrationView AnswerAnswer: D
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?
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?A . onForeground()B . onInactive( )C . onPause()D . onBackground( )View AnswerAnswer: D
In HarmonyOS, which of the following scenarios is the application responsible for instantiation?
In HarmonyOS, which of the following scenarios is the application responsible for instantiation?A . Jump to another page through a hyperlinkB . 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 gameC...
When a developer uses HarmonyOS Device Manager, he wrote the following code, which code description is correct?
When a developer uses HarmonyOS Device Manager, he wrote the following code, which code description is correct? Vardevicelnto=dmInstance.getLocaIDevicelnfoSync () :A . Obtain the local device information synchronouslyB . Asynchronously obtain the list of trusted devicesC . Obtain the list of trusted devices synchronouslyD . Asynchronously obtain local device informationView AnswerAnswer:...
What lifecycle processes will be triggered when a developer creates a Page instance and lets the instance be displayed in the foreground?
What lifecycle processes will be triggered when a developer creates a Page instance and lets the instance be displayed in the foreground?A . onStart()→onActive()B . onStart() →onActive() →onInactive()C . onBackground()→onForeground()→onStop()D . onActive() →onInactive()View AnswerAnswer: A
A developer designs a game application with MainAbility on the home page, click the game icon on the desktop, and then press the Home button to hide the game in the background, how does the life cycle of MainAbility change?
A developer designs a game application with MainAbility on the home page, click the game icon on the desktop, and then press the Home button to hide the game in the background, how does the life cycle of MainAbility change?A . onStart ()→onResume()―onInActive()→onBackground()B . onStart()→onActive()→onInActive()→onStop()C . onStart()―onActive()→onInActive()D . onStart()→onActive()→onlnActive()→onBackground()View AnswerAnswer:...
HarmonyOS supports developers to customize permissions in the "reqPermissions" field to access permission-protected objects
HarmonyOS supports developers to customize permissions in the "reqPermissions" field to access permission-protected objectsA . config.jsonB . ability_main.xmlC . MainAbilityS1ice.javaD . string.jsonView AnswerAnswer: A
