MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
      
    movieList = setupList();
    
    RecAdapter adapter = new RecAdapter(movieList);

    RecyclerView recyclerView = findViewById(R.id.recview);
    
    // Removes blinks
    ((SimpleItemAnimator) recyclerView.getItemAnimator()).setSupportsChangeAnimations(false);
    
    // Standard setup
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    recyclerView.setAdapter(adapter);
    recyclerView.setHasFixedSize(true);
}