First make sure you have the following dependency in your grade file: compile ‘com.android.support:design:26.0.0-alpha1 ... extends Activity { private RecyclerView mRecyclerView; private ...

recyclerview-v7:25.0.1' compile 'com.android.support:design:25.0.1' Great. With the initial setup complete, let’s get to work. For our simple app, we want the user to enter a target RSS feed url ...