Android - Adapter respond to Activity using interface

MyActivity.java

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

MyAdapter.java

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {

  private final ArrayList<Message> messages;
  private static FragmentActivity context;
  ...
    
  private MyAdapterListener mCallback;
  public interface MyAdapterListener {
      void onMyAdapterButtonClicked(Message message);
  }
  
  public MyAdapter(ArrayList<Message> messages, FragmentActivity context) {
      this.messages = messages;
      this.context = context;

      try {
          this.mCallback = (MyAdapterListener) context;
      } catch (ClassCastException e) { e.printStackTrace(); }
  }
  ...
  
  @Override
  public void onBindViewHolder(final ViewHolder holder, int position){
    final Message message = messages.get(position);
    ...
      
    holder.btn.setOnClickListener(v -> {
        mCallback.onMyAdapterButtonClicked(message);
    });
  }
  ...
}