Correct tutorial screen behavior during rotation (#45)

app/src/main/kotlin/com/bitwarden/authenticator/ui/authenticator/feature/authenticator/AuthenticatorNavigation.kt

@@ -13,6 +13,7 @@ import com.bitwarden.authenticator.ui.authenticator.feature.qrcodescan.navigateT
 import com.bitwarden.authenticator.ui.authenticator.feature.search.navigateToSearch
 import com.bitwarden.authenticator.ui.platform.feature.settings.export.navigateToExport
 import com.bitwarden.authenticator.ui.platform.feature.tutorial.navigateToTutorial
+import com.bitwarden.authenticator.ui.platform.feature.tutorial.tutorialDestination
 
 const val AUTHENTICATOR_GRAPH_ROUTE = "authenticator_graph"
 
@@ -58,5 +59,8 @@ fun NavGraphBuilder.authenticatorGraph(
             navigateToTutorial = { navController.navigateToTutorial() },
             navigateToExport = { navController.navigateToExport() },
         )
+        tutorialDestination(
+            onTutorialFinished = { navController.popBackStack() }
+        )
     }
 }

app/src/main/kotlin/com/bitwarden/authenticator/ui/platform/feature/tutorial/TutorialScreen.kt

@@ -88,6 +88,7 @@ fun TutorialScreen(
                     TutorialAction.TutorialPageChange(pagerState.targetPage)
                 )
                 Column(
+                    modifier = Modifier.fillMaxWidth(),
                     horizontalAlignment = Alignment.CenterHorizontally,
                     verticalArrangement = Arrangement.Center,
                 ) {

app/src/main/kotlin/com/bitwarden/authenticator/ui/platform/feature/tutorial/TutorialViewModel.kt

@@ -1,6 +1,7 @@
 package com.bitwarden.authenticator.ui.platform.feature.tutorial
 
 import android.os.Parcelable
+import androidx.lifecycle.SavedStateHandle
 import com.bitwarden.authenticator.R
 import com.bitwarden.authenticator.data.platform.repository.SettingsRepository
 import com.bitwarden.authenticator.ui.platform.base.BaseViewModel
@@ -11,15 +12,18 @@ import kotlinx.coroutines.flow.update
 import kotlinx.parcelize.Parcelize
 import javax.inject.Inject
 
+private const val KEY_STATE = "state"
+
 /**
  * View model for the [TutorialScreen].
  */
 @HiltViewModel
 class TutorialViewModel @Inject constructor(
     private val settingsRepository: SettingsRepository,
+    savedStateHandle: SavedStateHandle,
 ) :
     BaseViewModel<TutorialState, TutorialEvent, TutorialAction>(
-        initialState = TutorialState.IntroSlide
+        initialState = savedStateHandle[KEY_STATE] ?: TutorialState.IntroSlide
     ) {
 
     override fun handleAction(action: TutorialAction) {