public GenericDraweeHierarchyBuilder setRetryImage(@Nullable Drawable retryDrawable) {
    mRetryImage = retryDrawable;
    return this;
  }
Sets the retry image.

@param retryDrawable drawable to be used as retry image
@return modified instance of this builder
drawee/src/main/java/com/facebook/drawee/generic/GenericDraweeHierarchyBuilder.java