README.md
1# Access Permission Control
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3### Introduction
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5This sample shows how `@ohos.abilityAccessCtrl` works to implement app permission control. The display effect is as follows:
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7 
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9### Concepts
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11Application access control: provides application permission management, including authentication, authorization, and authorization revocation.
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13### Required Permissions
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15- ohos.permission.GET_SENSITIVE_PERMISSIONS
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17- ohos.permission.REVOKE_SENSITIVE_PERMISSIONS
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19- ohos.permission.GRANT_SENSITIVE_PERMISSIONS
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21- ohos.permission.GET_BUNDLE_INFO_PRIVILEGED
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23- ohos.permission.GET_BUNDLE_INFO
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25- ohos.permission.MICROPHONE
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27
28### Usage
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301. Open the app. A dialog box is displayed, asking you whether to grant the permission. Touch **Cancel**.
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322. The permission check screen is displayed. Touch the **Check Permission** button. A message is displayed, indicating that the permission is not granted.
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343. Close the app and open it again. A dialog box is displayed, asking you whether to grant the permission. Touch **OK**.
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364. The permission check screen is displayed. Touch the **Check Permission** button. A message is displayed, indicating that the permission has been granted.
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385. Close the app and open it again. No dialog box is displayed. Touch the **Check Permission** button. A message is displayed, indicating that the permission has been granted.
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40### Constraints
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42- This sample can only be run on standard-system devices.
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44- Before building a project, you need to run **Make Module 'entry'**.
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46- This sample requires DevEco Studio 3.1 Canary1 (Build Version: 3.1.0.100) to compile and run.
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48- The ohos.permission.GET_SENSITIVE_PERMISSIONS, ohos.permission.REVOKE_SENSITIVE_PERMISSIONS, and ohos.permission.GRANT_SENSITIVE_PERMISSIONS permissions used in this sample are of the system_core level. You need to configure signatures for these permissions. For details about the application permission level (APL), see [Permission List](https://gitee.com/openharmony/docs/blob/master/en/application-dev/security/permission-list.md).
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