I have in my code more than one UIPickerView, and let's say that the user opens the PickerView unintentionally, but wants to keep the same row selected, as I do for when the user touches the already selected row, the selector hide?I have in my code more than one UIPickerView, a
阅读背景：
当用户触摸已选择的行时，如何隐藏UIPIckerView
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