在活动中定义RecyclerView的onCLickListener [英] Defining a RecyclerView's onCLickListener in an Activity

问题描述

RecyclerView与ListView有所不同，因为它不提供onItemCLickListener类来处理单击事件.

A RecyclerView is different from a ListView because it doesn't offer an onItemCLickListener class to handle click events.

通过单击ViewHolder中的onClickListener，可以在单击某个项目后在幕后发生很多事情的情况下解决该问题.

This can be tackled if not a lot is happening behind the scenes when an item is clicked, by defining an onClickListener in the ViewHolder.

如果ViewHolder可以访问的视图中确实不存在文本或必须传递给下一个Activity的内容，而是属于具有RecyclerView的Activity的一部分，怎么办?

What if the text or whatever that has to be passed to the next Activity doesnt really exist in the views that the ViewHolder has access to, but is rather a part of the Activity which has the RecyclerView?

在这种情况下，必须在活动内部实现onClickListener，以便可以转发文本.有可能.

In that case, the onClickListener must be implemented inside the activity so that the text can be forwarded. It is possible.

1. 一种方法是添加一个包含该文本的不可见视图，然后执行之前执行的操作；在适配器中实现onClickListener.

1. One way is to add an Invisible View holding that text, and then doing what has been done before; implementing onClickListener in the Adapter.

以某种方式将该文本传递到适配器.

Pass that text, somehow, to the Adapter.

"2"怎么可能.被实施?

How can "2." be implemented?

推荐答案

在您的活动中编写一个公共函数，例如:

Write a public function in your activity like:

public void onClickCalled(String anyValue) {
    // Call another acitivty here and pass some arguments to it.
}

现在是适配器的onClick功能

Now in your adapter's onClick funciton

@Override
public void onClick(View view) {
    ((YouActivityClass) context).onClickCalled("your argument here");
}

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