antonioxtasis

public class MyActivity implements MyDialogFragment.Listener {
	
	// ...

	@Override
    public void onMyEvent() {
        // do something here
    }
}

antonioxtasis

public class MyActivity extends implements MyFragment.MyFragmentListener {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
      setContentView(R.layout.activity_with_fragment);

      MyFragment myFragment = new MyFragment();

antonioxtasis

public class MyDialogFragment extends DialogFragment {

    @Override
    public void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setStyle(STYLE_NO_TITLE, 0);
    }

    @Override
    public void setupDialog(final Dialog dialog, int style) {

antonioxtasis

public class MyActivity {
  
  private RecyclerView recyclerView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_my);

    recyclerView = (RecyclerView) findViewById(R.id.recycler_view_categories);

antonioxtasis

public class MyActivity implements MyAdapter.MyAdapterListener {
  ...
  
  @Override
  public void onMyAdapterButtonClicked(Message message) {
    // Some stuff
  }
}