clear method
void
clear()
Clear all stream information and reset to default values.
This method resets all notifiers to their initial state.
Implementation
void clear() {
camera.value = false;
microphone.value = false;
stateNotifier.value = ZegoPlayerState.NoPlay;
viewIDNotifier.value = -1;
viewNotifier.value = null;
viewSizeNotifier.value = const Size(360, 640);
}