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我想以编程方式在 iPhone 的通讯录中添加一个联系人,并希望将其设为收藏夹,以便显示在本机联系人应用程序的收藏夹列表中。也可以以编程方式将已经存在的号码添加到收藏夹列表中吗?
这对开发人员来说是不可用的,因为我发现很难