dependencies { implementation 'com.android.support:appcompat-v7:<version>' implementation 'com.android.support:recyclerview-v7:<version>' } public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); setSupportActionBar(findViewById(R.id.toolbar)); getSupportActionBar().setTitle("Android Support Library"); RecyclerView recyclerView = findViewById(R.id.recyclerView); LinearLayoutManager layoutManager = new LinearLayoutManager(this); recyclerView.setLayoutManager(layoutManager); List<String> dataset = new ArrayList<>(); dataset.add("Item 1"); dataset.add("Item 2"); dataset.add("Item 3"); // ... RecyclerViewAdapter adapter = new RecyclerViewAdapter(dataset); recyclerView.setAdapter(adapter); } }