Add stability configuration and apply @Immutable annotation to data classes

Jetcaster/core/data/src/main/java/com/example/jetcaster/core/data/database/model/EpisodeToPodcast.kt

@@ -16,11 +16,13 @@
 
 package com.example.jetcaster.core.data.database.model
 
+import androidx.compose.runtime.Immutable
 import androidx.room.Embedded
 import androidx.room.Ignore
 import androidx.room.Relation
 import java.util.Objects
 
+@Immutable
 class EpisodeToPodcast {
     @Embedded
     lateinit var episode: Episode

Jetcaster/core/domain/src/main/java/com/example/jetcaster/core/model/CategoryInfo.kt

@@ -16,8 +16,10 @@
 
 package com.example.jetcaster.core.model
 
+import androidx.compose.runtime.Immutable
 import com.example.jetcaster.core.data.database.model.Category
 
+@Immutable
 data class CategoryInfo(val id: Long, val name: String)
 
 const val CategoryTechnology = "Technology"

Jetcaster/core/domain/src/main/java/com/example/jetcaster/core/model/EpisodeInfo.kt

@@ -16,13 +16,16 @@
 
 package com.example.jetcaster.core.model
 
+import androidx.compose.runtime.Immutable
 import com.example.jetcaster.core.data.database.model.Episode
 import java.time.Duration
 import java.time.OffsetDateTime
 
 /**
  * External data layer representation of an episode.
  */
+
+@Immutable
 data class EpisodeInfo(
     val uri: String = "",
     val podcastUri: String = "",

Jetcaster/core/domain/src/main/java/com/example/jetcaster/core/model/FilterableCategoriesModel.kt

@@ -16,9 +16,13 @@
 
 package com.example.jetcaster.core.model
 
+import androidx.compose.runtime.Immutable
+
 /**
  * Model holding a list of categories and a selected category in the collection
  */
+
+@Immutable
 data class FilterableCategoriesModel(val categories: List<CategoryInfo> = emptyList(), val selectedCategory: CategoryInfo? = null) {
     val isEmpty = categories.isEmpty() || selectedCategory == null
 }

Jetcaster/core/domain/src/main/java/com/example/jetcaster/core/model/PodcastCategoryFilterResult.kt

@@ -16,9 +16,12 @@
 
 package com.example.jetcaster.core.model
 
+import androidx.compose.runtime.Immutable
+
 /**
  * A model holding top podcasts and matching episodes when filtering based on a category.
  */
+@Immutable
 data class PodcastCategoryFilterResult(
     val topPodcasts: List<PodcastInfo> = emptyList(),
     val episodes: List<PodcastToEpisodeInfo> = emptyList(),

Jetcaster/core/domain/src/main/java/com/example/jetcaster/core/model/PodcastInfo.kt

@@ -16,13 +16,15 @@
 
 package com.example.jetcaster.core.model
 
+import androidx.compose.runtime.Immutable
 import com.example.jetcaster.core.data.database.model.Podcast
 import com.example.jetcaster.core.data.database.model.PodcastWithExtraInfo
 import java.time.OffsetDateTime
 
 /**
  * External data layer representation of a podcast.
  */
+@Immutable
 data class PodcastInfo(
     val uri: String = "",
     val title: String = "",

Jetcaster/core/domain/src/main/java/com/example/jetcaster/core/model/PodcastToEpisodeInfo.kt

@@ -16,8 +16,10 @@
 
 package com.example.jetcaster.core.model
 
+import androidx.compose.runtime.Immutable
 import com.example.jetcaster.core.data.database.model.EpisodeToPodcast
 
+@Immutable
 data class PodcastToEpisodeInfo(val episode: EpisodeInfo, val podcast: PodcastInfo)
 
 fun EpisodeToPodcast.asPodcastToEpisodeInfo(): PodcastToEpisodeInfo = PodcastToEpisodeInfo(

Jetcaster/core/domain/src/main/java/com/example/jetcaster/core/player/EpisodePlayer.kt

@@ -16,11 +16,14 @@
 
 package com.example.jetcaster.core.player
 
+import androidx.compose.runtime.Immutable
 import com.example.jetcaster.core.player.model.PlayerEpisode
 import java.time.Duration
 import kotlinx.coroutines.flow.StateFlow
 
 val DefaultPlaybackSpeed = Duration.ofSeconds(1)
+
+@Immutable
 data class EpisodePlayerState(
     val currentEpisode: PlayerEpisode? = null,
     val queue: List<PlayerEpisode> = emptyList(),

Jetcaster/core/domain/src/main/java/com/example/jetcaster/core/player/model/PlayerEpisode.kt

@@ -16,6 +16,7 @@
 
 package com.example.jetcaster.core.player.model
 
+import androidx.compose.runtime.Immutable
 import com.example.jetcaster.core.data.database.model.EpisodeToPodcast
 import com.example.jetcaster.core.model.EpisodeInfo
 import com.example.jetcaster.core.model.PodcastInfo
@@ -25,6 +26,8 @@ import java.time.OffsetDateTime
 /**
  * Episode data with necessary information to be used within a player.
  */
+
+@Immutable
 data class PlayerEpisode(
     val uri: String = "",
     val title: String = "",

Jetcaster/mobile/build.gradle.kts

@@ -97,6 +97,12 @@ android {
         excludes += "/META-INF/AL2.0"
         excludes += "/META-INF/LGPL2.1"
     }
+
+    composeCompiler {
+        reportsDestination = layout.buildDirectory.dir("compose_compiler")
+        metricsDestination = layout.buildDirectory.dir("compose_compiler")
+        stabilityConfigurationFiles = listOf(rootProject.layout.projectDirectory.file("stability_config.conf"))
+    }
 }
 
 dependencies {

Jetcaster/mobile/src/main/java/com/example/jetcaster/ui/home/Home.kt

@@ -118,8 +118,8 @@ import com.example.jetcaster.util.radialGradientScrim
 import java.time.Duration
 import java.time.LocalDateTime
 import java.time.OffsetDateTime
-import kotlinx.collections.immutable.PersistentList
-import kotlinx.collections.immutable.toPersistentList
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalMaterial3AdaptiveApi::class)
@@ -373,7 +373,7 @@ private fun HomeScreenBackground(modifier: Modifier = Modifier, content: @Compos
 private fun HomeScreen(
     windowSizeClass: WindowSizeClass,
     isLoading: Boolean,
-    featuredPodcasts: PersistentList<PodcastInfo>,
+    featuredPodcasts: ImmutableList<PodcastInfo>,
     selectedHomeCategory: HomeCategory,
     homeCategories: List<HomeCategory>,
     filterableCategoriesModel: FilterableCategoriesModel,
@@ -538,7 +538,7 @@ fun PillToolbar(selectedHomeCategory: HomeCategory, onHomeAction: (HomeAction) -
 
 @Composable
 private fun HomeContent(
-    featuredPodcasts: PersistentList<PodcastInfo>,
+    featuredPodcasts: ImmutableList<PodcastInfo>,
     selectedHomeCategory: HomeCategory,
     filterableCategoriesModel: FilterableCategoriesModel,
     podcastCategoryFilterResult: PodcastCategoryFilterResult,
@@ -572,7 +572,7 @@ private fun HomeContent(
 
 @Composable
 private fun HomeContentGrid(
-    featuredPodcasts: PersistentList<PodcastInfo>,
+    featuredPodcasts: ImmutableList<PodcastInfo>,
     selectedHomeCategory: HomeCategory,
     filterableCategoriesModel: FilterableCategoriesModel,
     podcastCategoryFilterResult: PodcastCategoryFilterResult,
@@ -630,7 +630,7 @@ private fun HomeContentGrid(
 
 @Composable
 private fun FollowedPodcastItem(
-    items: PersistentList<PodcastInfo>,
+    items: ImmutableList<PodcastInfo>,
     onPodcastUnfollowed: (PodcastInfo) -> Unit,
     navigateToPodcastDetails: (PodcastInfo) -> Unit,
     modifier: Modifier = Modifier,
@@ -652,7 +652,7 @@ private fun FollowedPodcastItem(
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 private fun FollowedPodcasts(
-    items: PersistentList<PodcastInfo>,
+    items: ImmutableList<PodcastInfo>,
     onPodcastUnfollowed: (PodcastInfo) -> Unit,
     navigateToPodcastDetails: (PodcastInfo) -> Unit,
     modifier: Modifier = Modifier,
@@ -767,7 +767,7 @@ private fun PreviewHome() {
         HomeScreen(
             windowSizeClass = CompactWindowSizeClass,
             isLoading = true,
-            featuredPodcasts = PreviewPodcasts.toPersistentList(),
+            featuredPodcasts = PreviewPodcasts.toImmutableList(),
             homeCategories = HomeCategory.entries,
             selectedHomeCategory = HomeCategory.Discover,
             filterableCategoriesModel = FilterableCategoriesModel(

Jetcaster/mobile/src/main/java/com/example/jetcaster/ui/home/HomeViewModel.kt

@@ -38,7 +38,7 @@ import com.example.jetcaster.core.player.EpisodePlayer
 import com.example.jetcaster.core.player.model.PlayerEpisode
 import dagger.hilt.android.lifecycle.HiltViewModel
 import javax.inject.Inject
-import kotlinx.collections.immutable.PersistentList
+import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.collections.immutable.toPersistentList
 import kotlinx.coroutines.ExperimentalCoroutinesApi
@@ -229,7 +229,7 @@ sealed interface HomeAction {
 data class HomeScreenUiState(
     val isLoading: Boolean = true,
     val errorMessage: String? = null,
-    val featuredPodcasts: PersistentList<PodcastInfo> = persistentListOf(),
+    val featuredPodcasts: ImmutableList<PodcastInfo> = persistentListOf(),
     val selectedHomeCategory: HomeCategory = HomeCategory.Discover,
     val homeCategories: List<HomeCategory> = emptyList(),
     val filterableCategoriesModel: FilterableCategoriesModel = FilterableCategoriesModel(),

Jetcaster/mobile/src/main/java/com/example/jetcaster/ui/podcast/PodcastDetailsScreen.kt

@@ -101,7 +101,7 @@ fun PodcastDetailsScreen(
             PodcastDetailsScreen(
                 podcast = s.podcast,
                 episodes = s.episodes,
-                toggleSubscribe = viewModel::toggleSusbcribe,
+                toggleSubscribe = viewModel::toggleSubscribe,
                 onQueueEpisode = viewModel::onQueueEpisode,
                 removeFromQueue = viewModel::deleteEpisode,
                 navigateToPlayer = navigateToPlayer,

Jetcaster/mobile/src/main/java/com/example/jetcaster/ui/podcast/PodcastDetailsViewModel.kt

@@ -17,6 +17,7 @@
 package com.example.jetcaster.ui.podcast
 
 import android.net.Uri
+import androidx.compose.runtime.Immutable
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.example.jetcaster.core.data.repository.EpisodeStore
@@ -37,6 +38,7 @@ import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 
+@Immutable
 sealed interface PodcastUiState {
     data object Loading : PodcastUiState
     data class Ready(val podcast: PodcastInfo, val episodes: List<EpisodeInfo>) : PodcastUiState
@@ -71,7 +73,7 @@ class PodcastDetailsViewModel @AssistedInject constructor(
             initialValue = PodcastUiState.Loading,
         )
 
-    fun toggleSusbcribe(podcast: PodcastInfo) {
+    fun toggleSubscribe(podcast: PodcastInfo) {
         viewModelScope.launch {
             podcastStore.togglePodcastFollowed(podcast.uri)
         }

Jetcaster/stability_config.conf

@@ -0,0 +1,2 @@
+java.time.*
+kotlin.collections.*

Jetcaster/tv/build.gradle.kts

@@ -92,6 +92,12 @@ android {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
         }
     }
+
+    composeCompiler {
+        reportsDestination = layout.buildDirectory.dir("compose_compiler")
+        metricsDestination = layout.buildDirectory.dir("compose_compiler")
+        stabilityConfigurationFiles = listOf(rootProject.layout.projectDirectory.file("stability_config.conf"))
+    }
 }
 
 dependencies {

Jetcaster/wear/build.gradle

@@ -70,6 +70,12 @@ android {
             excludes += "rome-utils-" + libs.rometools.rome.get().version + ".jar"
         }
     }
+
+    composeCompiler {
+        reportsDestination = layout.buildDirectory.dir("compose_compiler")
+        metricsDestination = layout.buildDirectory.dir("compose_compiler")
+        stabilityConfigurationFile = rootProject.layout.projectDirectory.file("stability_config.conf")
+    }
 }
 
 dependencies {