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PermissionsAndroid · React Native

PermissionsAndroid

PermissionsAndroid provides access to Android M's new permissions model. The so-called "normal" permissions are granted by default when the application is installed as long as they appear in AndroidManifest.xml. However, "dangerous" permissions require a dialog prompt. You should use this module for those permissions.

On devices before SDK version 23, the permissions are automatically granted if they appear in the manifest, so check should always result to true and request should always resolve to PermissionsAndroid.RESULTS.GRANTED.

If a user has previously turned off a permission that you prompt for, the OS will advise your app to show a rationale for needing the permission. The optional rationale argument will show a dialog prompt only if necessary - otherwise the normal permission prompt will appear.

Example​ Permissions that require prompting the user​

Available as constants under PermissionsAndroid.PERMISSIONS:

Result strings for requesting permissions​

Available as constants under PermissionsAndroid.RESULTS:

Reference Methods​ check()​

tsx

static check(permission: Permission): Promise<boolean>;

Returns a promise resolving to a boolean value as to whether the specified permissions has been granted.

Parameters:

Name Type Required Description permission string Yes The permission to check for. request()​

tsx

static request(
  permission: Permission,
  rationale?: Rationale,
): Promise<PermissionStatus>;

Prompts the user to enable a permission and returns a promise resolving to a string value (see result strings above) indicating whether the user allowed or denied the request or does not want to be asked again.

If rationale is provided, this function checks with the OS whether it is necessary to show a dialog explaining why the permission is needed (https://developer.android.com/training/permissions/requesting.html#explain) and then shows the system permission dialog.

Parameters:

Name Type Required Description permission string Yes The permission to request. rationale object No See rationale below.

Rationale:

Name Type Required Description title string Yes The title of the dialog. message string Yes The message of the dialog. buttonPositive string Yes The text of the positive button. buttonNegative string No The text of the negative button. buttonNeutral string No The text of the neutral button. requestMultiple()​

tsx

static requestMultiple(
  permissions: Permission[],
): Promise<{[key in Permission]: PermissionStatus}>;

Prompts the user to enable multiple permissions in the same dialog and returns an object with the permissions as keys and strings as values (see result strings above) indicating whether the user allowed or denied the request or does not want to be asked again.

Parameters:

Name Type Required Description permissions array Yes Array of permissions to request.

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