Change from SingletonComponent to ActivityRetainedComponent

Author: dturner

app/src/main/java/com/example/nav3recipes/modular/AppModule.kt

@@ -1,20 +1,19 @@
 package com.example.nav3recipes.modular
 
-import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.snapshots.SnapshotStateList
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
-import javax.inject.Inject
+import dagger.hilt.android.components.ActivityRetainedComponent
+import dagger.hilt.android.scopes.ActivityRetainedScoped
 import javax.inject.Singleton
 
 @Module
-@InstallIn(SingletonComponent::class)
+@InstallIn(ActivityRetainedComponent::class)
 object AppModule {
 
     @Provides
-    @Singleton
+    @ActivityRetainedScoped
     fun provideBackStack(backStackFactory: BackStackFactory) : SnapshotStateList<Any> =
         backStackFactory.create(startDestination = ConversationList)
 

app/src/main/java/com/example/nav3recipes/modular/CommonModule.kt

@@ -6,18 +6,18 @@ import androidx.navigation3.runtime.EntryProviderBuilder
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
+import dagger.hilt.android.components.ActivityRetainedComponent
+import dagger.hilt.android.scopes.ActivityRetainedScoped
 import javax.inject.Inject
-import javax.inject.Singleton
 
 
 typealias EntryProviderInstaller = EntryProviderBuilder<Any>.() -> Unit
 
 @Module
-@InstallIn(SingletonComponent::class)
+@InstallIn(ActivityRetainedComponent::class)
 object CommonModule {
     @Provides
-    @Singleton
+    @ActivityRetainedScoped
     fun provideBackStackFactory() : BackStackFactory = BackStackFactory()
 }
 

app/src/main/java/com/example/nav3recipes/modular/ConversationModule.kt

@@ -4,38 +4,30 @@ import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.PaddingValues
-import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Button
 import androidx.compose.material3.ListItem
 import androidx.compose.material3.ListItemDefaults
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Button
-import androidx.compose.material3.Button
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.snapshots.SnapshotStateList
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
-import androidx.navigation3.runtime.EntryProviderBuilder
 import androidx.navigation3.runtime.entry
-import androidx.compose.ui.graphics.Color
-import androidx.navigation3.runtime.EntryProvider
 import com.example.nav3recipes.ui.theme.colors
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
+import dagger.hilt.android.components.ActivityRetainedComponent
 import dagger.multibindings.IntoSet
-import com.example.nav3recipes.modular.Profile
 
 // API
 object ConversationList
@@ -46,7 +38,7 @@ data class ConversationDetail(val id: Int) {
 
 // IMPL
 @Module
-@InstallIn(SingletonComponent::class)
+@InstallIn(ActivityRetainedComponent::class)
 object ConversationModule {
 
     @IntoSet

app/src/main/java/com/example/nav3recipes/modular/ProfileModule.kt

@@ -1,33 +1,30 @@
 package com.example.nav3recipes.modular
 
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.snapshots.SnapshotStateList
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.navigation3.runtime.EntryProviderBuilder
-import androidx.navigation3.runtime.entry
-import androidx.compose.foundation.background
-import androidx.compose.ui.graphics.Color
-import com.example.nav3recipes.ui.theme.colors
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.MaterialTheme
 import androidx.compose.ui.unit.dp
+import androidx.navigation3.runtime.entry
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
+import dagger.hilt.android.components.ActivityRetainedComponent
 import dagger.multibindings.IntoSet
 
 // API
 object Profile
 
 // IMPLEMENTATION
 @Module
-@InstallIn(SingletonComponent::class)
+@InstallIn(ActivityRetainedComponent::class)
 object ProfileModule {
 
     @IntoSet