void GUIDisplayControls()

in storage/testapp/Assets/Firebase/Sample/Storage/UIHandler.cs [499:618]
99 lines of code
21 McCabe index (conditional complexity)

    void GUIDisplayControls() {
      if (UIEnabled) {

        controlsScrollViewVector = GUILayout.BeginScrollView(controlsScrollViewVector);

        GUILayout.BeginVertical();
        GUILayout.Label("Text:");
        if (fileContents == null)
          fileContents = "Sample text... (type here)";

        // Track changes in the downloaded file.
        if (fileContents != previousFileContents) {
          previousFileContents = fileContents;
          // TextArea can only display a subset of the file contents so limit what is displayed.
          editableFileContents = fileContents;
          if (editableFileContents.Length > kMaxLogSize) {
            editableFileContents = editableFileContents.Substring(0, kMaxLogSize);
          }
        }

        fileContentsScrollViewVector = GUILayout.BeginScrollView(
          fileContentsScrollViewVector, GUILayout.MinHeight(textAreaLineHeight * 6));
        var newEditableFileContents = GUILayout.TextArea(editableFileContents);
        GUILayout.EndScrollView();

        // Only update the file contents if it was edited, allowing the start of the file to be
        // modified.
        if (newEditableFileContents != editableFileContents) {
          fileContents = newEditableFileContents +
              (fileContents.Length > kMaxLogSize ? fileContents.Substring(kMaxLogSize) : "");
        }

        GUILayout.Space(10);
        GUILayout.Label("MetadataChange: (Key=Value)");
        metadataScrollViewVector = GUILayout.BeginScrollView(
          metadataScrollViewVector, GUILayout.MinHeight(textAreaLineHeight * 3));
        fileMetadataChangeString = GUILayout.TextArea(fileMetadataChangeString);
        GUILayout.EndScrollView();
        GUILayout.Space(10);

        GUILayout.Label("Local File Path:");
        localFilename = GUILayout.TextField(localFilename);

        GUILayout.Label("Storage Location:");
        if (String.IsNullOrEmpty(storageLocation)) {
          storageLocation = MyStorageBucket + "File.txt";
        }
        storageLocationScrollViewVector = GUILayout.BeginScrollView(
          storageLocationScrollViewVector, GUILayout.MinHeight(textAreaLineHeight * 2));
        storageLocation = GUILayout.TextArea(storageLocation);
        GUILayout.EndScrollView();

        GUILayout.Space(10);

        GUILayout.BeginVertical();

        if (Button("Upload", !operationInProgress)) {
          StartCoroutine(UploadBytes());
        }
        if (Button("Upload Stream", !operationInProgress)) {
          StartCoroutine(UploadStream());
        }
        if (Button("Upload from File", !operationInProgress)) {
          StartCoroutine(UploadFromFile());
        }
        if (Button("Update Metadata", !operationInProgress)) {
          StartCoroutine(UpdateMetadata());
        }
        GUILayout.Space(5);
        if (Button("Download Bytes", !operationInProgress)) {
          StartCoroutine(DownloadBytes());
        }
        if (Button("Download Stream", !operationInProgress)) {
          StartCoroutine(DownloadStream());
        }
        if (Button("Download to File", !operationInProgress)) {
          StartCoroutine(DownloadToFile());
        }
        if (Button("Get Metadata", !operationInProgress)) {
          StartCoroutine(GetMetadata());
        }
        if (Button("Get Download URL", !operationInProgress)) {
          StartCoroutine(ShowDownloadUrl());
        }
        GUILayout.Space(5);
        if (Button("Delete", !operationInProgress)) {
          StartCoroutine(Delete());
        }

        GUILayout.Space(10);

        GUILayout.Label("Retry Configuration");
        GUILayout.BeginHorizontal();
        GUILayout.Label("Max Download Retry Time (ms):");
        if (storage != null) {
          storage.MaxDownloadRetryTime = GUIDisplayTimespanMsField(storage.MaxDownloadRetryTime);
        }
        GUILayout.EndHorizontal();

        GUILayout.BeginHorizontal();
        GUILayout.Label("Max Operation Retry Time (ms):");
        if (storage != null) {
          storage.MaxOperationRetryTime = GUIDisplayTimespanMsField(storage.MaxOperationRetryTime);
        }
        GUILayout.EndHorizontal();

        GUILayout.BeginHorizontal();
        GUILayout.Label("Max Upload Retry Time (ms):");
        if (storage != null) {
          storage.MaxUploadRetryTime = GUIDisplayTimespanMsField(storage.MaxUploadRetryTime);
        }
        GUILayout.EndHorizontal();

        GUILayout.Space(10);
        GUILayout.EndVertical();

        GUILayout.EndVertical();
        GUILayout.EndScrollView();
      }
    }