Where can I find APPLICATION_ID
I'm learning cast api for android and I'm stuck at this part: mMediaRouteSelector = new MediaRouteSelector.Builder() .addControlCategory(CastMediaControlIntent.categoryForCast("YOUR_APPLICATION_ID")) .build(); Where can I find this APPLICATION_ID and what is it? Unfortunately, when doing Google Cast Android Sender Application tutorial , you should do multiple steps not described well on site to develop Chromecast applications: You must sign up (yes, pay 5$) for Google Cast SDK After this process, I suggest you to add your device serial number in Google Cast SDK Developer Console since it's 15