所有这些方法和常量应该会使得对按钮事件做出响应更加容易。

All these methods and constants should make responding to button events easier.

youdao

他们按下了按钮，得到了响应，也被弹了个脑嘣。

So they press the button, get the treat, but also the bonk.

youdao

在您构建该视图时，您为按钮添加了一个选择侦听器，以便应用程序能够对按钮单击作出响应。

As you're building the view, you add a selection listener to the button so that your application can respond to button clicks.

youdao