4.0.0-preview-2

Conductor 4.0's second public preview

Updates from preview-1

• Removed LifecycleController and merged lifecycle support into the main Controller class
• Activity-hosted Routers now default to PopRootControllerMode.NEVER, which has always been the suggested setting.
• Removed first-party support for AutoDispose
• Added a back handling demo to the demo app

Predictive back opt-in updates

Changes needed to fully support predictive back gestures in your app:

• Call setOnBackPressedDispatcherEnabled(true) on your Activity's Router.
• Remove the override of onBackPressed() from the Activity. No replacement is needed.
• Opt in to predictive back gestures in your manifest file as shown here.
• Replace any override of handleBack(), which is now deprecated, with an OnBackPressedCallback. Example callback:

    onBackPressedDispatcher?.addCallback(lifecycleOwner, object : OnBackPressedCallback(enabled = true) {
      override fun handleOnBackPressed() {
        println("back handled")
      }
    })