harmony 鸿蒙Application Access Control Development
Application Access Control Development
Can the app listen for the permission change after its permission is modified in Settings?
Applicable to: OpenHarmony 3.1 Beta 5 (API version 9)
Third-party apps cannot listen for the permission change.
Why is there no pop-up window displayed when an app applies for the ohos.permission.LOCATION permission?
Applicable to: OpenHarmony 3.2 Release (API version 9)
Applications developed using SDKs earlier than API version 9 can directly apply for the ohos.permission.LOCATION permission. For the applications developed using the SDK of API version 9 or later, you need to apply for ohos.permission.APPROXIMATELY_LOCATION and then ohos.permission.LOCATION.
References
What can I do to prevent the application from crashing when the application is started again after the user denies the permission requested?
Applicable to: OpenHarmony SDK 3.2 Beta5
Possible Causes
- If the permission required by a service is rejected by the user, the system directly returns the result and will no longer display a dialog box to request the permission.
- If related judgment is not performed after the permission is requested, the application will be rejected due to lack of the corresponding permission when accessing the target object under permission control, and terminated unexpectedly.
Solution
Before allowing an application to call an API protected by certain permission, verify whether the application has the permission. If the application has the permission, the application can call the API. Otherwise, a dialog box is dipslayed to ask user authorization.
If the user rejects to grant the permission, ensure that other functions irrelevant to this permission are not affected.
When this service is triggered again by the user or to implement a service function, on-screen message shall be provided to guide the user to grant the permission in Settings.
References
Access Control (Permission) Overview
What are the differences between extensionAbilities and requestPermissions in the module.json5 file?
Applicable to: OpenHarmony SDK 3.2 Beta5
- requestPermissions: specifies all the permissions required by an application for running. The permissions take effect only after being configured (declared) in the module.json5 file.
- extensionAbilitie.permissions: specifies the permissions customized by the ExtensionAbility component. These permissions are required when an application needs to access the ExtensionAbility component. extensionAbilitie.permissions is used for permission verification only.
References
module.json5 Configuration File
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