Is this guy flirting with me if he does the following?so after school we were sittin in a tree (we friends)..?

so i wanted to lay down. and he said i could lay down so i did. were enjoyin the breeze when i felt his hands rub my arms and i was like y u touchin me like that and he said cause ur ticklish and he started ticklin me and his face was like tilted to my face...was he flirting