private void showVideos(PriorityQueue<VideoFile> queue) {
        mainLay.removeAllViews();
        if (queue.isEmpty()) {
TextView textView = new TextView(this);
            textView.setText("No files match your conditions");
            textView.setGravity(Gravity.CENTER);
            mainLay.addView(textView);
            return;
        }
        View inf = inflater.inflate(R.layout.videolay, null);
        videoRow = inf.findViewById(R.id.videoRow); //creating a 'line' for videofiles
        int count = 0;
        Iterator<VideoFile> it = queue.iterator();
        while (it.hasNext()) {
            VideoFile vf = it.next(); //creating a layout for each videofile. It consists of name, preview and is clickable
            if (count == 4) {  //i want to have 4 videofiles on my screen in one line (videoRow)
                count = 0;
                mainLay.addView(inf);
                inf = inflater.inflate(R.layout.videolay, null);
                videoRow = inf.findViewById(R.id.videoRow);
            }

            File videofile = new File(vf.videoPath);
            //initializing videofile layout
            final Uri videoURI = FileProvider.getUriForFile(MainActivity.this,
                    BuildConfig.APPLICATION_ID + ".provider",
                    videofile);
            View videoInf = inflater.inflate(R.layout.video, null);
            RelativeLayout rel = videoInf.findViewById(R.id.videoLay);
            ImageView iv = videoInf.findViewById(R.id.videoThumb);
            TextView text = videoInf.findViewById(R.id.videoName);

            text.setText(vf.title);

            rel.setOnClickListener(v -> {
                Intent intent = new Intent(Intent.ACTION_VIEW);
                intent.setDataAndType(videoURI, "video");
                intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
                startActivity(intent);
            });

            rel.setOnLongClickListener(v -> {
                if (!videoTags.isEmpty()) {
                    ChooseTags chooseTags = new ChooseTags();
                    Bundle args = new Bundle();
                    args.putParcelable("vf", vf);
                    chooseTags.setArguments(args);
                    chooseTags.show(getFragmentManager(), TAG);
                } else
                    Toast.makeText(this, "There are currently no tags. Add some via navigation drawer", Toast.LENGTH_SHORT).show();
                return false;
            });

            //if (vf.thumbPath != null) iv.setImageBitmap(BitmapFactory.decodeFile(vf.thumbPath));
            imageViews.put(vf, iv); //putting reference for imageview for latter inflating.

            videoRow.addView(videoInf);
            ++count;
            if (!it.hasNext()) mainLay.addView(inf);
        }
        mainLay.invalidate();
        GetThumbs getThumbs = new GetThumbs();
        getThumbs.execute(imageViews);
    }