Devin
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Devin
cell.followButton.rx.action = CocoaAction { [weak self] _ in return Observable.create { [weak self] observer -> Disposable in let alertController = UIAlertController(title: "Hello world", message: "This alert was triggered by a...
demo里只有2个分组 如果有多个分组,从上半部分移除的元素该怎么添加到下面分组