`onBackPressed` is deprecated in Activity. We have three activity classes that use this: * `MainActivity` * `SpellcastingInfoWindow` * `SpellWindow` We should update these three classes to use the more current [back press callback pattern](https://developer.android.com/guide/navigation/navigation-custom-back).
onBackPressedis deprecated in Activity. We have three activity classes that use this:MainActivitySpellcastingInfoWindowSpellWindowWe should update these three classes to use the more current back press callback pattern.