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请清除我的疑问。我有 Facebook sdk 3.0 以上。我的任务是,我有一个 android 应用程序,当我点击它时,它必须从我的设置-> 帐户> Facebook 中获取用户帐户。然后它让我发布一些消息。
(这意味着必须允许默认登录我的设备 Facebook。然后让我发布)。
I have an Object that sometimes contains a List<Object>. I want to check it with instanceof, and if it is, then add some elements to it.
Object
List<Object>
instanceof
void add