He then studied at the Academy of Fine Arts in Vienna from 1886 to 1893 with Julius Victor Berger, Eduard von Lichtenfels and August Eisenmenger.

Nevertheless, when he was proposed as a teacher for the Vienna Academy in 1914, he was rejected by Archduke Franz Ferdinand, who had no use for modern art trends.

Army in Tyrol, he took the opportunity to make portrait studies of participants in a mountain guide course at the Regensburger Hütte.

In 1918, at the war's end, Andri moved to St. Pölten; at the same time, he received a teaching position at the Vienna Academy, where he taught until 1939.

In 1923-26 and 1931–33, Andri was prorector and, immediately after the annexation of Austria to the German Reich, one of the three provisional directors of the academy responsible for the political purges that followed.

[8] Andri was an expert advisor for music at the National Socialist German Cultural Association.