public void setTextTypeface(Typeface tf) {
   for (LoadingLayout layout : mLoadingLayouts) {
     layout.setTextTypeface(tf);
   }
 }
 @Override
 public void setReleaseLabel(CharSequence label) {
   for (LoadingLayout layout : mLoadingLayouts) {
     layout.setReleaseLabel(label);
   }
 }
 @Override
 public void setLoadingDrawable(Drawable drawable) {
   for (LoadingLayout layout : mLoadingLayouts) {
     layout.setLoadingDrawable(drawable);
   }
 }
 @Override
 public void setRefreshingLabel(CharSequence refreshingLabel) {
   for (LoadingLayout layout : mLoadingLayouts) {
     layout.setRefreshingLabel(refreshingLabel);
   }
 }
 @Override
 public void setLastUpdatedLabel(CharSequence label) {
   for (LoadingLayout layout : mLoadingLayouts) {
     layout.setLastUpdatedLabel(label);
   }
 }