The film is The Warm Body.

Extended information:

The Warm Body is adapted from the novel of the same name published by the writer Isaac Marion, and is called the zombie version of Twilight. The film was directed by jonathan levine and co-starred by nicholas hoult and teresa palmer. The film was released in the United States on February 1, 213.

He (Nicholas Hoult Nicholas Hoult) is a zombie who lives in the last days. He only vaguely remembers an "R" in his name. Different from the secular concept, as a zombie, he can think and still has some memories before his death. R lives on an abandoned flight, likes to collect records and ornaments, and seems to be no different from ordinary people except eating people. On this day, R and his zombie friends went out for food, during which they met a group of humans who came to the polluted area from the isolation area to search for medicines.

after brutally devouring the brain of the young Perry (Dave Franco Dave Franco), R has the memory of the other person, which also leads to sympathy and affection for Julie (Teresa Palmer Teresa Palmer), a girl who came with Perry. He brought the girl back to his place of residence, and gradually gained each other's trust through a few days of getting along, and the beautiful Julie also made R find the warmth and complex feelings that he had not seen for a long time as a human being ...?

Reference: The Warm Body-Baidu Encyclopedia.