recycler view apapter with checkbox's

AppListAdapter.java

package com.spencerstudios.multiappuninstaller.adapters;

import android.content.Context;
import android.graphics.Color;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.spencerstudios.multiappuninstaller.R;
import com.spencerstudios.multiappuninstaller.activities.MainActivity;
import com.spencerstudios.multiappuninstaller.pojos.AppMeta;
import com.spencerstudios.multiappuninstaller.utilities.Utils;

import java.text.DateFormat;
import java.util.List;


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

    private List<AppMeta> appMetaList;
    private Context context;

    public AppListAdapter(List<AppMeta> appMetaList, Context context) {
        this.appMetaList = appMetaList;
        this.context = context;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.app_rv_item, parent, false);
        return new ViewHolder(v);
    }

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

        holder.ivAppIcon.setImageDrawable(appMetaList.get(position).getAppIcon());
        holder.tvAppName.setText(appMetaList.get(position).getAppName());
        holder.tvAppInstallDate.setText(DateFormat.getDateInstance().format(appMetaList.get(position).getFti()));
        holder.tvAppSize.setText(Utils.bytesToMb(appMetaList.get(position).getApkSize()));
        holder.cbAppSelected.setChecked(appMetaList.get(position).isSelected());
        holder.llRoot.setBackgroundColor(appMetaList.get(position).isSelected() ? Color.parseColor("#ffcdd2") : Color.TRANSPARENT);

        holder.llRoot.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                boolean b = appMetaList.get(holder.getAdapterPosition()).isSelected();
                b = !b;
                appMetaList.get(holder.getAdapterPosition()).setSelected(b);

                holder.llRoot.setBackgroundColor(b ? Color.parseColor("#ffcdd2") : Color.TRANSPARENT);
                holder.cbAppSelected.setChecked(b);

                ((MainActivity) context).setSelectedAppCount();
            }
        });
    }

    @Override
    public int getItemCount() {
        return appMetaList.size();
    }

    class ViewHolder extends RecyclerView.ViewHolder {

        LinearLayout llRoot;
        ImageView ivAppIcon;
        TextView tvAppName, tvAppInstallDate, tvAppSize;
        CheckBox cbAppSelected;

        ViewHolder(View itemView) {
            super(itemView);

            llRoot = itemView.findViewById(R.id.rv_item_root);
            ivAppIcon = itemView.findViewById(R.id.iv_app_icon);
            tvAppName = itemView.findViewById(R.id.tv_app_name);
            tvAppInstallDate = itemView.findViewById(R.id.tv_app_install_date);
            cbAppSelected = itemView.findViewById(R.id.cb_app_select);
            tvAppSize = itemView.findViewById(R.id.tv_app_size);
        }
    }
}