code: public final void setProfileId(String profileId) {
          boolean force = false;
          if (Utility.isNullOrEmpty(this.profileId) || !this.profileId.equalsIgnoreCase(profileId)) {
              // Clear out the old profilePicture before requesting for the new one.
              setBlankProfilePicture();
              force = true;
          }
  
          this.profileId = profileId;
          refreshImage(force);
      }
docs: Sets the profile Id for this profile photo
  
  @param profileId The profileId
  NULL/Empty String will show the blank profile photo