Barber has been fighting cancer for over two years, as chemotherapy for bone cancer in 2010 then turned into MDS leukemia last year, said The Hollywood Reporter.
"The entire interaction was like old friends having lunch. Jayden did not get star struck but was well aware of who we were with! "They talked movies and super Heros an he was genuinely happy to hear about everything Jayden wanted to tell him.
Christian, his wife and daughter are three of the most beautiful people we have ever met! Christian made these arrangements for us personally and ensured we were treated like royalty," said Charlene, Jayden's mother.
The 38-year-old actor, who has recently completed Batman trilogy, had earlier met with the victims of the mass shooting at a midnight screening of "The Dark Knight Rises" in Aurora.