将UIPickerView与自定义值一起使用 [英] Using a UIPickerView with custom values

问题描述

我使用导航控制器和普通视图。在视图中，我想要一个带有自定义值的UIPickerView。它将具有一列，其中包含约15个值。我希望能够为每个值添加一个动作。

Im using a navigation controller and a normal view. In the view I'd like a UIPickerView with custom values in it. It would have one column with about 15 values in it. And I want the ability to add an action to each value.

有什么方法可以使用Xcode做到这一点吗？我似乎找不到适当的帮助。

Is there any way I can do this using Xcode? I can't seem to find the corrent help.

干杯。

推荐答案

您需要查看 UIPickerViewDelegate 的文档。

为了对每个值执行操作，您将实现 pickerView：didSelectRow：inComponent：并根据选择的行采取不同的操作。

In order to have an action for each value you will implement pickerView:didSelectRow:inComponent: and have a different action based on which row was selected.

对于行的内容，您可以实现 pickerView ：titleForRow：forComponent：如果您的内容是简单的文本。

For the contents of the rows you can implement pickerView:titleForRow:forComponent: if your contents are simple text.

如果您要自定义绘制的内容，则可以为每个带有 pickerView：viewForRow：forComponent：reusingView：方法。

If you want custom drawn contents you can provide a custom view for each row with the pickerView:viewForRow:forComponent:reusingView: method.

请参阅iPhone开发人员示例中提供的UICatalog示例。

See the UICatalog example that is available in the iPhone Developer examples.

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