在我发布的应用版本中，firebase recyclerview中出现错误

Question

在显示Firebase Recyclerview和应用程序崩溃时，在发布的应用程序版本中出现“ java.lang.NullPointerException：println需要消息”错误。我在应用程序的调试版本中没有出现任何此类错误，firebase recyclerview正常运行。

我也试图在发行版中显示Firebase recyclerview。

Query query = FirebaseDatabase.getInstance()
            .getReference()
            .child("userScore")
            .orderByChild("userScore")
            .limitToLast(100);

FirebaseRecyclerOptions<UserScoreModel> options =
            new FirebaseRecyclerOptions.Builder<UserScoreModel>()
                    .setQuery(query, UserScoreModel.class)
                    .build();

    adapter = new FirebaseRecyclerAdapter<UserScoreModel, ScoreViewHolder>(options) {

        @Override
        public ScoreViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
            View view = LayoutInflater.from(viewGroup.getContext())
                    .inflate(R.layout.item_score, viewGroup, false);

            return new ScoreViewHolder(view);
        }

        @Override
        public UserScoreModel getItem(int position){
            return  super.getItem(getItemCount()-position-1);
        }

        @Override
        protected void onBindViewHolder(ScoreViewHolder scoreViewHolder, int i, final UserScoreModel userScoreModel) {
            progDialog.dismiss();
            String userName = userScoreModel.getUserName();
            String score = String.valueOf(userScoreModel.getUserScore());
            userImage = storageRef.child("UserImage/" + userScoreModel.getUid() + userScoreModel.getProfileUrl() + ".jpeg");
            Log.w("username",userName);
            Log.w("score",score);

            if(i+1==1){
                name2.setText(userName);
                String mystring = getResources().getString(R.string.Rs);
                String resultStr = mystring + " " +score;
                score2.setText(resultStr);
                GlideApp.with(getApplicationContext()).load(userImage).override(200, 200)
                        .circleCrop().placeholder(getResources().getDrawable(R.drawable.boy1)).into(img2);

            }

            if(i+1==2){
                name1.setText(userName);
                String mystring = getResources().getString(R.string.Rs);
                String resultStr = mystring + " " +score;
                score1.setText(resultStr);
                GlideApp.with(getApplicationContext()).load(userImage).override(200, 200)
                        .circleCrop().placeholder(getResources().getDrawable(R.drawable.boy1)).into(img1);

            }

            if(i+1==3){
                name3.setText(userName);
                String mystring = getResources().getString(R.string.Rs);
                String resultStr = mystring + " " +score;
                score3.setText(resultStr);
                GlideApp.with(getApplicationContext()).load(userImage).override(200, 200)
                        .circleCrop().placeholder(getResources().getDrawable(R.drawable.boy1)).into(img3);

            }

            if (i+1<=3){
                scoreViewHolder.itemLinear.setVisibility(View.GONE);
                scoreViewHolder.itemLinear.setLayoutParams(new RecyclerView.LayoutParams(0, 0));
            }

            if (i+1>3){
                String mystring = getResources().getString(R.string.Rs);
                String resultStr = mystring + " " +score;
                scoreViewHolder.score.setText(resultStr);
                scoreViewHolder.nameOfPlayer.setText(userName);
                scoreViewHolder.rank.setText(String.valueOf(i+1));

                GlideApp.with(getApplicationContext()).load(userImage).override(200, 200)
                        .circleCrop().placeholder(getResources().getDrawable(R.drawable.boy1)).into(scoreViewHolder.userImage);
            }



            userId = userScoreModel.getUid();

            if (userId.equals(uid)){
                String mystring = getResources().getString(R.string.Rs);
                String resultStr = mystring + " " +score;
                GlideApp.with(getApplicationContext()).load(userImage).override(200, 200)
                        .circleCrop().placeholder(getResources().getDrawable(R.drawable.boy1)).into(myImage);
                myRank.setText(String.valueOf(i+1));
                myName.setText(userName);
                myScore.setText(resultStr);
            }
        }
    };