Channels in action

It's about time for us to actually use channels on our RSS Reader. In this chapter, we will add a new search feature to it, and will use channels to search all the outlets that we have configured at once.

Adding a search activity

First, let's copy the layout file activity_main.xml and name that copy activity_search.xml:

Once that is done, let's create a new Kotlin file, and name it SearchActivity:

Now we will create an activity inside that file. Initially, we want it to simply inflate the layout that we just created:

class SearchActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout...