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是否可以通过编程方式更新UIButton标题/文本？
我有一个UIButton，当按下它时，会弹出一个新视图，用户可以在其中更改某些设置。关闭视图后，我想更新的标题/文本UIButton以反映新状态。我在打电话： [myButton setTitle: @"myTitle" forState: UIControlStateNormal]; [myButton setTitle: @"myTitle" forState: UIControlStateApplication]; [myButton setTitle: @"myTitle" forState: UIControlStateHighlighted]; [myButton setTitle: @"myTitle" forState: UIControlStateReserved]; [myButton setTitle: @"myTitle" forState: UIControlStateSelected]; [myButton setTitle: @"myTitle" forState: UIControlStateDisabled]; 但是它似乎从未改变过IB中指定的原始文本/标题。