? on inbounds play

[Maxman7]

I'm a new ref, mainly officiating Boys & Girls club games. Have a question for you.

Player A1 is inbounding in his frontcourt from the free throw line extented. He throws the ball to his teammate A2. The ball hits A2's right hand (A2 takes his eye off of it), and bounces into the back court where A2 chases it down. The defense never touched the ball. Is this a violation?

I called it as such and the team's coach went into a fit. Was I wrong?

On a side note, the team was up by 20 in the 3rd quarter.