Very bad DataBinding use

FeedAdapter.java

package com.a8wizards.moximo_recruit_app.dashboard;


import android.databinding.DataBindingUtil;
import android.support.v4.content.ContextCompat;
import android.support.v4.util.ArrayMap;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import com.a8wizards.moximo_recruit_app.ObservableActivity;
import com.a8wizards.moximo_recruit_app.R;
import com.a8wizards.moximo_recruit_app.databinding.ItemFeedBinding;
import com.a8wizards.moximo_recruit_app.profile.ProfileFragment;
import com.a8wizards.moximo_recruit_app.profile.event.EditEvent;

import rx.functions.Action1;

public class FeedAdapter extends RecyclerView.Adapter<FeedViewHolder> {

    private ObservableActivity<ArrayMap<String, Object>> observableActivity;
    private ItemFeedBinding binding;


    public FeedAdapter(ObservableActivity<ArrayMap<String, Object>> observableActivity) {
        this.observableActivity = observableActivity;
    }

    @Override
    public FeedViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        LayoutInflater inflater = LayoutInflater.from(parent.getContext());
        binding = DataBindingUtil.inflate(inflater, R.layout.item_feed, parent, false);

        return new FeedViewHolder(binding);
    }

    @Override
    public void onBindViewHolder(final FeedViewHolder holder, int position) {

        binding.getRoot().setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Toast.makeText(observableActivity, "click", Toast.LENGTH_SHORT).show();
            }
        });

        observableActivity.getEvents().subscribe(new Action1<Object>() {
            @Override
            public void call(Object o) {
                if (holder.getBinding() != null) {
                    int visibility;
                    if (o instanceof EditEvent) {
                        visibility = View.VISIBLE;
                    } else {
                        visibility = View.GONE;
                    }

                    holder.getBinding().imageViewMenuEditIcon.setVisibility(visibility);
                    holder.getBinding().imageFeedDelete.setImageResource(android.R.drawable.ic_delete);
                    holder.getBinding().imageFeedDelete.setBackground(ContextCompat.getDrawable(observableActivity, R.drawable.shape_auth_social));
                    holder.getBinding().imageFeedDelete.setPadding(12, 12, 12, 12);
                    holder.getBinding().imageFeedDelete.setOnClickListener(new View.OnClickListener() {
                        @Override
                        public void onClick(View v) {
                            Toast.makeText(observableActivity, "delete ", Toast.LENGTH_SHORT).show();
                        }
                    });
                }

            }
        });

    }

    @Override
    public int getItemCount() {
        return 30;
    }


}