private void setLogoImage(ParseFile logoImage) {
   if (logoImage != null) {
     mLogoImageButton.setParseFile(logoImage);
     mLogoImageButton.loadInBackground();
   } else {
     String title = mTitleText.getText().toString();
     String firstChar = title.isEmpty() ? "N" : title.substring(0, 1).toUpperCase();
     ColorGenerator generator = ColorGenerator.MATERIAL;
     int alphabetColor = generator.getColor(firstChar);
     final TextDrawable drawable = TextDrawable.builder().buildRound(firstChar, alphabetColor);
     mLogoImageButton.setImageDrawable(drawable);
   }
 }
  public static Drawable getDefaultContactPhoto(Context context, @Nullable String name) {
    int targetSize =
        context.getResources().getDimensionPixelSize(R.dimen.contact_photo_target_size);

    if (name != null && !name.isEmpty()) {
      return TextDrawable.builder()
          .beginConfig()
          .width(targetSize)
          .height(targetSize)
          .endConfig()
          .buildRound(String.valueOf(name.charAt(0)), COLOR_GENERATOR.getColor(name));
    }

    synchronized (defaultPhotoLock) {
      if (defaultContactPhoto == null)
        defaultContactPhoto =
            TextDrawable.builder()
                .beginConfig()
                .width(targetSize)
                .height(targetSize)
                .endConfig()
                .buildRound("#", UNKNOWN_COLOR);

      return defaultContactPhoto;
    }
  }