I am using the Cast Companion Library (because it makes implementing some of the design guidelines easier).
I do not want to use the
You can define a
TargetActivity that will be called from Notification, Cast dialog and Lock Screen.
If you just want to modify the look and feel of that activity, you can simply copy over its layout XML and change it as you see fit.
Finally, you can also implement
VideoCastController yourself; that is what the