Unexpected connected message for already connected sender
问题 I'm developing a custom cast receiver based on Cast-Player-Sample. I'm getting "Unexpected connected message for already connected sender" and "Unexpected sender already registered". Why? I can't figure it out why I'm getting this. How can I track this down? What is triggering this? More screen shots comparing mine version with Cast-Player-Sample : Mine Sample 回答1: I think I figured it out. I used the player.js code from Cast-Player-Sample without modifying anything and I still would see