Saving state of controller

[eugeen3]

In my app I have some kind of tab bar and in one of the tab i use BetterPlayer. When i switching between tabs and go back to page with player it's state is already disposed and I'm getting error instead of player widget.

[jhomlala]

Please create your issue by using issue template (#535). Regarding your problem, you should manually dispose your controller: https://jhomlala.github.io/betterplayer/#/manualdispose.