如何从 iOS 的电话设置中检查用户是否启用/检查了自动填充凭据提供程序扩展？

Question

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Answer should not depend on private APIs

I have implemented AutoFill Credential Provider Extension in iOS.
Everything is working fine but I am having one issue, not exactly an issue but I am unable to achieve the below functionality.

I want to get Autofill extension state every time when user open a specific viewController of my application.
So that I am able check whether it's enabled from settings or not.

If it is not enabled I will navigate user to phone settings otherwise user can use the app.

Answer 1

As documented we need to use ASCredentialIdentityStore state for that purpose:

so you can add somewhere the following wrapped async call and use it to validate of extension is enabled:

- (void)checkExtesionEnabledWithCompletion:(void(^)(BOOL))completion {
    ASCredentialIdentityStore *store = [ASCredentialIdentityStore sharedStore];
    [store getCredentialIdentityStoreStateWithCompletion:^(ASCredentialIdentityStoreState * _Nonnull state) {
        completion(state.isEnabled);
    }];
}