How to handle clicks / touches on repeated custom components?

So, I have a screen that has from 0 to 6 of the same user interface components included via XML. Something similar to this:

<TableRow android:layout_height="150px">

    <include android:id="@+id/p1" android:layout_width="fill_parent"
        android:layout_height="wrap_content" layout="@layout/numerics_component"
        android:onClick="onClick" />

</TableRow>

<TableRow android:layout_height="150px">

    <include android:id="@+id/p2" android:layout_width="fill_parent"
        android:layout_height="wrap_content" layout="@layout/numerics_component"
        android:layout_below="@id/p1" android:onClick="onClick" />


</TableRow>

... etc

Each of those included UI's is a collection of several widgets and custom components that I am reusing.

I want to detect clicks on components in those included bits in my Activity and respond appropriately. The problem is, in my onClick method if I follow the common pattern, I can never tell which of the views got a click:

public void onClick(View view) {

    Log.d(loggingName, "Got onClick event on view: " + view);

    // Identify the view, and handle appropriately:
    switch (view.getId()) {

    ...

With the above code I can never tell which of the 6 copies of the component got clicked. There must be a good way to do this, but I am not seeing it.

Furth开发者_运维知识库er, I don't want to hard code the reusable component to one activity because I want to reuse it throughout multiple activities in my app. So ideally, I'd be able to setup the listeners in my Activity.

Any ideas on how I can do this?

Thanks!

You could search the hierarchy to figure out which sub-component has been clicked. I see that each row of your table has a unique id. Thus, even though the layout is being repeated with identical ids, the view hierarchy does not have identical ids in any sub-tree.

Thus, to identify which sub-component has been clicked obtain the id of the parent view (which in your case is a row) and see which one of the 6 rows the view belongs to. Does that make sense?

1) The Android View class allows you to tag each instance of a view via the setTag method.

So, just setTag() on each view with some unique Integer, or even perhaps an object with a method that you will invoke. Then in your click listener, just do a getTag() to differentiate between the various view instances.

2) You can put a unique onClickListener on each of the view instances.

3) You could do a findViewById() on each of the view instances, and store them in member variables, an array, or some other data structure. Then in your onClickListener, you simply compare the View reference passed to onClick() against your list of saved references.