private void displayFiles()

in app/src/main/java/com/google/reviewit/UnifiedDiffFragment.java [242:350]
100 lines of code
4 McCabe index (conditional complexity)

  private void displayFiles(final Change change,
                            final Map<String, FileInfo> files,
                            final int startFileNumber,
                            final int totalFileCount) {
    final Iterator<Map.Entry<String, FileInfo>> fileEntryIt =
        files.entrySet().iterator();
    diffView.setContent(new Iterator<ScrollWithHeadingsView.Content>() {
      private int currentFileNumber = startFileNumber;

      @Override
      public boolean hasNext() {
        return fileEntryIt.hasNext();
      }

      @Override
      public ScrollWithHeadingsView.Content next() {
        Map.Entry<String, FileInfo> fileEntry = fileEntryIt.next();
        File f = new File(fileEntry.getKey());
        return new ScrollWithHeadingsView.Content(
            new ScrollWithHeadingsView.HeadingWithDetails(
                getContext(), f.getName(),
                new ScrollWithHeadingsView.RightAlignedHeadingDetails(
                    getContext().getString(R.string.file_count,
                        currentFileNumber++, totalFileCount)),
                new ScrollWithHeadingsView.CenteredHeadingDetails(
                    FormatUtil.ensureSlash(f.getParent()))),
            createContent(change, fileEntry.getKey(),
                fileEntry.getValue()));
      }

      public View createContent(
          final Change change, final String path, FileInfo file) {
        final LinearLayout layout = new LinearLayout(getContext());
        layout.setLayoutParams(new ViewGroup.LayoutParams(
            ViewGroup.LayoutParams.MATCH_PARENT, widgetUtil.dpToPx(400)));
        layout.setPadding(0, widgetUtil.dpToPx(30), 0, widgetUtil.dpToPx(30));
        layout.setGravity(Gravity.CENTER_HORIZONTAL);
        final ProgressBar p = new ProgressBar(getContext());
        p.setLayoutParams(matchLayout());
        p.setIndeterminate(true);
        p.getIndeterminateDrawable().setColorFilter(
            widgetUtil.color(R.color.progressReload),
            android.graphics.PorterDuff.Mode.SRC_IN);
        layout.addView(p);

        if (file.binary != null && file.binary) {
          // TODO
          return layout;
        }

        LayoutUtil.addOneTimeOnGlobalLayoutListener(
            p, new LayoutUtil.OneTimeOnGlobalLayoutListener() {
          @Override
          public void onFirstGlobalLayout() {
            new AsyncTask<String, Void, DiffInfo>() {
              @Override
              protected DiffInfo doInBackground(String... paths) {
                String path = paths[0];
                try {
                  return change.diff(path);
                } catch (RestApiException e) {
                  Log.e(TAG, "Failed to get diff of file " + path
                      + " from change " + change.info._number, e);
                  return null;
                }
              }

              protected void onPostExecute(final DiffInfo diff) {
                layout.removeView(p);
                layout.setLayoutParams(
                    new LinearLayout.LayoutParams(
                        LinearLayout.LayoutParams.MATCH_PARENT,
                        LinearLayout.LayoutParams.WRAP_CONTENT));
                layout.setPadding(0,
                    layout.getPaddingTop() - widgetUtil.dpToPx(20),
                    0,
                    layout.getPaddingBottom() - widgetUtil.dpToPx(20));
                UnifiedDiffView unifiedDiffView = new UnifiedDiffView
                    (getContext(), diff);
                layout.addView(unifiedDiffView);
                LayoutUtil.addOneTimeOnGlobalLayoutListener(
                    unifiedDiffView,
                    new LayoutUtil.OneTimeOnGlobalLayoutListener() {
                      @Override
                      public void onFirstGlobalLayout() {
                        diffView.relayout();
                      }
                    });
                unifiedDiffView.setOnSizeChangedListener(
                    new UnifiedDiffView.OnSizeChangedListener() {
                  @Override
                  public void onSizeChanged() {
                    diffView.relayout();
                  }
                });
              }
            }.executeOnExecutor(getApp().getExecutor(), path);
          }
        });

        return layout;
      }

      @Override
      public void remove() {
        throw new UnsupportedOperationException();
      }
    });
  }