all: remove dependence on androidviewmodel

Entirely remove dependence on AndroidViewModel, replacing it with
dependency injection.

CHANGELOG.md

@@ -12,6 +12,9 @@ track/disc fields
 #### What's Fixed
 - Fixed non-functioning "repeat all" repeat mode
 
+#### Dev/Meta
+- Started using dependency injection
+
 ## 3.0.2
 
 #### What's New

app/src/main/java/org/oxycblt/auxio/MainActivity.kt

@@ -20,6 +20,7 @@ package org.oxycblt.auxio
 import android.content.Intent
 import android.os.Bundle
 import android.view.View
+import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.core.view.WindowCompat
@@ -31,7 +32,6 @@ import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.playback.state.InternalPlayer
 import org.oxycblt.auxio.playback.system.PlaybackService
 import org.oxycblt.auxio.ui.UISettings
-import org.oxycblt.auxio.util.androidViewModels
 import org.oxycblt.auxio.util.isNight
 import org.oxycblt.auxio.util.logD
 import org.oxycblt.auxio.util.systemBarInsetsCompat
@@ -53,7 +53,7 @@ import org.oxycblt.auxio.util.systemBarInsetsCompat
  */
 @AndroidEntryPoint
 class MainActivity : AppCompatActivity() {
-    private val playbackModel: PlaybackViewModel by androidViewModels()
+    private val playbackModel: PlaybackViewModel by viewModels()
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)

app/src/main/java/org/oxycblt/auxio/MainFragment.kt

@@ -58,7 +58,7 @@ class MainFragment :
     ViewBindingFragment<FragmentMainBinding>(),
     ViewTreeObserver.OnPreDrawListener,
     NavController.OnDestinationChangedListener {
-    private val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    private val playbackModel: PlaybackViewModel by activityViewModels()
     private val navModel: NavigationViewModel by activityViewModels()
     private val selectionModel: SelectionViewModel by activityViewModels()
     private val callback = DynamicBackPressedCallback()

app/src/main/java/org/oxycblt/auxio/detail/AlbumDetailFragment.kt

@@ -54,7 +54,7 @@ class AlbumDetailFragment :
     ListFragment<Song, FragmentDetailBinding>(), AlbumDetailAdapter.Listener {
     private val detailModel: DetailViewModel by activityViewModels()
     override val navModel: NavigationViewModel by activityViewModels()
-    override val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    override val playbackModel: PlaybackViewModel by activityViewModels()
     override val selectionModel: SelectionViewModel by activityViewModels()
     // Information about what album to display is initially within the navigation arguments
     // as a UID, as that is the only safe way to parcel an album.

app/src/main/java/org/oxycblt/auxio/detail/ArtistDetailFragment.kt

@@ -42,7 +42,6 @@ import org.oxycblt.auxio.music.Song
 import org.oxycblt.auxio.music.library.Sort
 import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.ui.NavigationViewModel
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collect
 import org.oxycblt.auxio.util.collectImmediately
 import org.oxycblt.auxio.util.logD
@@ -58,7 +57,7 @@ class ArtistDetailFragment :
     ListFragment<Music, FragmentDetailBinding>(), DetailAdapter.Listener<Music> {
     private val detailModel: DetailViewModel by activityViewModels()
     override val navModel: NavigationViewModel by activityViewModels()
-    override val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    override val playbackModel: PlaybackViewModel by activityViewModels()
     override val selectionModel: SelectionViewModel by activityViewModels()
     // Information about what artist to display is initially within the navigation arguments
     // as a UID, as that is the only safe way to parcel an artist.

app/src/main/java/org/oxycblt/auxio/detail/DetailViewModel.kt

@@ -20,7 +20,10 @@ package org.oxycblt.auxio.detail
 import android.app.Application
 import androidx.annotation.StringRes
 import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -47,12 +50,15 @@ import org.oxycblt.auxio.util.*
  * @param application [Application] context required to initialize certain information.
  * @author Alexander Capehart (OxygenCobalt)
  */
-class DetailViewModel(application: Application) :
-    AndroidViewModel(application), MusicRepository.Listener {
+@HiltViewModel
+class DetailViewModel
+@Inject
+constructor(
+    private val audioInfoProvider: AudioInfo.Provider,
+    private val musicSettings: MusicSettings,
+    private val playbackSettings: PlaybackSettings
+) : ViewModel(), MusicRepository.Listener {
     private val musicRepository = MusicRepository.get()
-    private val musicSettings = MusicSettings.from(application)
-    private val playbackSettings = PlaybackSettings.from(application)
-    private val audioInfoProvider = AudioInfo.Provider.from(application)
 
     private var currentSongJob: Job? = null
 

app/src/main/java/org/oxycblt/auxio/detail/GenreDetailFragment.kt

@@ -43,7 +43,6 @@ import org.oxycblt.auxio.music.Song
 import org.oxycblt.auxio.music.library.Sort
 import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.ui.NavigationViewModel
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collect
 import org.oxycblt.auxio.util.collectImmediately
 import org.oxycblt.auxio.util.logD
@@ -59,7 +58,7 @@ class GenreDetailFragment :
     ListFragment<Music, FragmentDetailBinding>(), DetailAdapter.Listener<Music> {
     private val detailModel: DetailViewModel by activityViewModels()
     override val navModel: NavigationViewModel by activityViewModels()
-    override val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    override val playbackModel: PlaybackViewModel by activityViewModels()
     override val selectionModel: SelectionViewModel by activityViewModels()
     // Information about what genre to display is initially within the navigation arguments
     // as a UID, as that is the only safe way to parcel an genre.

app/src/main/java/org/oxycblt/auxio/detail/SongDetailDialog.kt

@@ -22,6 +22,7 @@ import android.text.format.Formatter
 import android.view.LayoutInflater
 import androidx.appcompat.app.AlertDialog
 import androidx.core.view.isInvisible
+import androidx.fragment.app.activityViewModels
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
 import dagger.hilt.android.AndroidEntryPoint
@@ -31,7 +32,6 @@ import org.oxycblt.auxio.music.Song
 import org.oxycblt.auxio.music.format.AudioInfo
 import org.oxycblt.auxio.playback.formatDurationMs
 import org.oxycblt.auxio.ui.ViewBindingDialogFragment
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collectImmediately
 
 /**
@@ -40,7 +40,7 @@ import org.oxycblt.auxio.util.collectImmediately
  */
 @AndroidEntryPoint
 class SongDetailDialog : ViewBindingDialogFragment<DialogSongDetailBinding>() {
-    private val detailModel: DetailViewModel by androidActivityViewModels()
+    private val detailModel: DetailViewModel by activityViewModels()
     // Information about what song to display is initially within the navigation arguments
     // as a UID, as that is the only safe way to parcel an song.
     private val args: SongDetailDialogArgs by navArgs()

app/src/main/java/org/oxycblt/auxio/home/HomeFragment.kt

@@ -68,10 +68,10 @@ import org.oxycblt.auxio.util.*
 @AndroidEntryPoint
 class HomeFragment :
     SelectionFragment<FragmentHomeBinding>(), AppBarLayout.OnOffsetChangedListener {
-    private val homeModel: HomeViewModel by androidActivityViewModels()
+    private val homeModel: HomeViewModel by activityViewModels()
     private val musicModel: MusicViewModel by activityViewModels()
     private val navModel: NavigationViewModel by activityViewModels()
-    override val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    override val playbackModel: PlaybackViewModel by activityViewModels()
     override val selectionModel: SelectionViewModel by activityViewModels()
     private var storagePermissionLauncher: ActivityResultLauncher<String>? = null
 

app/src/main/java/org/oxycblt/auxio/home/HomeModule.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2023 Auxio Project
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+ 
+package org.oxycblt.auxio.home
+
+import android.content.Context
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+
+@Module
+@InstallIn(SingletonComponent::class)
+class HomeModule {
+    @Provides fun settings(@ApplicationContext context: Context) = HomeSettings.from(context)
+}

app/src/main/java/org/oxycblt/auxio/home/HomeViewModel.kt

@@ -17,8 +17,9 @@
  
 package org.oxycblt.auxio.home
 
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.ViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import org.oxycblt.auxio.home.tabs.Tab
@@ -32,12 +33,15 @@ import org.oxycblt.auxio.util.logD
  * The ViewModel for managing the tab data and lists of the home view.
  * @author Alexander Capehart (OxygenCobalt)
  */
-class HomeViewModel(application: Application) :
-    AndroidViewModel(application), MusicRepository.Listener, HomeSettings.Listener {
+@HiltViewModel
+class HomeViewModel
+@Inject
+constructor(
+    private val homeSettings: HomeSettings,
+    private val playbackSettings: PlaybackSettings,
+    private val musicSettings: MusicSettings
+) : ViewModel(), MusicRepository.Listener, HomeSettings.Listener {
     private val musicRepository = MusicRepository.get()
-    private val homeSettings = HomeSettings.from(application)
-    private val musicSettings = MusicSettings.from(application)
-    private val playbackSettings = PlaybackSettings.from(application)
 
     private val _songsList = MutableStateFlow(listOf<Song>())
     /** A list of [Song]s, sorted by the preferred [Sort], to be shown in the home view. */

app/src/main/java/org/oxycblt/auxio/home/list/AlbumListFragment.kt

@@ -42,7 +42,6 @@ import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.playback.formatDurationMs
 import org.oxycblt.auxio.playback.secsToMs
 import org.oxycblt.auxio.ui.NavigationViewModel
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collectImmediately
 
 /**
@@ -56,7 +55,7 @@ class AlbumListFragment :
     FastScrollRecyclerView.PopupProvider {
     private val homeModel: HomeViewModel by activityViewModels()
     override val navModel: NavigationViewModel by activityViewModels()
-    override val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    override val playbackModel: PlaybackViewModel by activityViewModels()
     override val selectionModel: SelectionViewModel by activityViewModels()
     private val albumAdapter = AlbumAdapter(this)
     // Save memory by re-using the same formatter and string builder when creating popup text

app/src/main/java/org/oxycblt/auxio/home/list/ArtistListFragment.kt

@@ -42,7 +42,6 @@ import org.oxycblt.auxio.music.library.Sort
 import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.playback.formatDurationMs
 import org.oxycblt.auxio.ui.NavigationViewModel
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collectImmediately
 import org.oxycblt.auxio.util.nonZeroOrNull
 
@@ -57,7 +56,7 @@ class ArtistListFragment :
     FastScrollRecyclerView.Listener {
     private val homeModel: HomeViewModel by activityViewModels()
     override val navModel: NavigationViewModel by activityViewModels()
-    override val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    override val playbackModel: PlaybackViewModel by activityViewModels()
     override val selectionModel: SelectionViewModel by activityViewModels()
     private val artistAdapter = ArtistAdapter(this)
 

app/src/main/java/org/oxycblt/auxio/home/list/GenreListFragment.kt

@@ -42,7 +42,6 @@ import org.oxycblt.auxio.music.library.Sort
 import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.playback.formatDurationMs
 import org.oxycblt.auxio.ui.NavigationViewModel
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collectImmediately
 
 /**
@@ -56,7 +55,7 @@ class GenreListFragment :
     FastScrollRecyclerView.Listener {
     private val homeModel: HomeViewModel by activityViewModels()
     override val navModel: NavigationViewModel by activityViewModels()
-    override val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    override val playbackModel: PlaybackViewModel by activityViewModels()
     override val selectionModel: SelectionViewModel by activityViewModels()
     private val genreAdapter = GenreAdapter(this)
 

app/src/main/java/org/oxycblt/auxio/home/list/SongListFragment.kt

@@ -45,7 +45,6 @@ import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.playback.formatDurationMs
 import org.oxycblt.auxio.playback.secsToMs
 import org.oxycblt.auxio.ui.NavigationViewModel
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collectImmediately
 
 /**
@@ -59,7 +58,7 @@ class SongListFragment :
     FastScrollRecyclerView.Listener {
     private val homeModel: HomeViewModel by activityViewModels()
     override val navModel: NavigationViewModel by activityViewModels()
-    override val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    override val playbackModel: PlaybackViewModel by activityViewModels()
     override val selectionModel: SelectionViewModel by activityViewModels()
     private val songAdapter = SongAdapter(this)
     // Save memory by re-using the same formatter and string builder when creating popup text

app/src/main/java/org/oxycblt/auxio/image/ImageModule.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2023 Auxio Project
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+ 
+package org.oxycblt.auxio.image
+
+import android.content.Context
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+
+@Module
+@InstallIn(SingletonComponent::class)
+class ImageModule {
+    @Provides fun settings(@ApplicationContext context: Context) = ImageSettings.from(context)
+}

app/src/main/java/org/oxycblt/auxio/music/MusicModule.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2023 Auxio Project
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+ 
+package org.oxycblt.auxio.music
+
+import android.content.Context
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import org.oxycblt.auxio.music.format.AudioInfo
+
+@Module
+@InstallIn(SingletonComponent::class)
+class MusicModule {
+    @Provides fun settings(@ApplicationContext context: Context) = MusicSettings.from(context)
+    @Provides
+    fun audioInfoProvider(@ApplicationContext context: Context) = AudioInfo.Provider.from(context)
+}

app/src/main/java/org/oxycblt/auxio/music/extractor/CacheExtractor.kt

@@ -28,9 +28,9 @@ import androidx.room.Room
 import androidx.room.RoomDatabase
 import androidx.room.TypeConverter
 import androidx.room.TypeConverters
-import org.oxycblt.auxio.music.RealSong
 import org.oxycblt.auxio.music.Song
 import org.oxycblt.auxio.music.format.Date
+import org.oxycblt.auxio.music.library.RealSong
 import org.oxycblt.auxio.music.parsing.correctWhitespace
 import org.oxycblt.auxio.music.parsing.splitEscaped
 import org.oxycblt.auxio.util.*

app/src/main/java/org/oxycblt/auxio/music/extractor/MediaStoreExtractor.kt

@@ -28,8 +28,8 @@ import androidx.core.database.getIntOrNull
 import androidx.core.database.getStringOrNull
 import java.io.File
 import org.oxycblt.auxio.music.MusicSettings
-import org.oxycblt.auxio.music.RealSong
 import org.oxycblt.auxio.music.format.Date
+import org.oxycblt.auxio.music.library.RealSong
 import org.oxycblt.auxio.music.parsing.parseId3v2PositionField
 import org.oxycblt.auxio.music.parsing.transformPositionField
 import org.oxycblt.auxio.music.storage.Directory

app/src/main/java/org/oxycblt/auxio/music/extractor/MetadataExtractor.kt

@@ -22,9 +22,9 @@ import androidx.core.text.isDigitsOnly
 import com.google.android.exoplayer2.MediaItem
 import com.google.android.exoplayer2.MetadataRetriever
 import kotlinx.coroutines.flow.flow
-import org.oxycblt.auxio.music.RealSong
 import org.oxycblt.auxio.music.format.Date
 import org.oxycblt.auxio.music.format.TextTags
+import org.oxycblt.auxio.music.library.RealSong
 import org.oxycblt.auxio.music.parsing.parseId3v2PositionField
 import org.oxycblt.auxio.music.parsing.parseVorbisPositionField
 import org.oxycblt.auxio.music.storage.toAudioUri

app/src/main/java/org/oxycblt/auxio/music/library/RealMusic.kt

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
  
-package org.oxycblt.auxio.music
+package org.oxycblt.auxio.music.library
 
 import android.content.Context
 import androidx.annotation.VisibleForTesting
@@ -25,10 +25,16 @@ import java.text.Collator
 import java.util.UUID
 import kotlin.math.max
 import org.oxycblt.auxio.R
+import org.oxycblt.auxio.music.Album
+import org.oxycblt.auxio.music.Artist
+import org.oxycblt.auxio.music.Genre
+import org.oxycblt.auxio.music.Music
+import org.oxycblt.auxio.music.MusicMode
+import org.oxycblt.auxio.music.MusicSettings
+import org.oxycblt.auxio.music.Song
 import org.oxycblt.auxio.music.format.Date
 import org.oxycblt.auxio.music.format.Disc
 import org.oxycblt.auxio.music.format.ReleaseType
-import org.oxycblt.auxio.music.library.Sort
 import org.oxycblt.auxio.music.parsing.parseId3GenreNames
 import org.oxycblt.auxio.music.parsing.parseMultiValue
 import org.oxycblt.auxio.music.storage.Directory
@@ -225,8 +231,7 @@ class RealSong(raw: Raw, musicSettings: MusicSettings) : Song {
     }
 
     /** Raw information about a [RealSong] obtained from the filesystem/Extractor instances. */
-    class Raw
-    constructor(
+    class Raw(
         /**
          * The ID of the [RealSong]'s audio file, obtained from MediaStore. Note that this ID is
          * highly unstable and should only be used for accessing the audio file.
@@ -438,7 +443,7 @@ class RealAlbum(val raw: Raw, override val songs: List<RealSong>) : Album {
  * These instances will be linked to this [RealArtist].
  * @author Alexander Capehart (OxygenCobalt)
  */
-class RealArtist constructor(private val raw: Raw, songAlbums: List<Music>) : Artist {
+class RealArtist(private val raw: Raw, songAlbums: List<Music>) : Artist {
     override val uid =
     // Attempt to use a MusicBrainz ID first before falling back to a hashed UID.
     raw.musicBrainzId?.let { Music.UID.musicBrainz(MusicMode.ARTISTS, it) }
@@ -569,7 +574,7 @@ class RealArtist constructor(private val raw: Raw, songAlbums: List<Music>) : Ar
  * Library-backed implementation of [RealGenre].
  * @author Alexander Capehart (OxygenCobalt)
  */
-class RealGenre constructor(private val raw: Raw, override val songs: List<RealSong>) : Genre {
+class RealGenre(private val raw: Raw, override val songs: List<RealSong>) : Genre {
     override val uid = Music.UID.auxio(MusicMode.GENRES) { update(raw.name) }
     override val rawName = raw.name
     override val rawSortName = rawName

app/src/main/java/org/oxycblt/auxio/music/picker/ArtistPlaybackPickerDialog.kt

@@ -18,6 +18,7 @@
 package org.oxycblt.auxio.music.picker
 
 import android.os.Bundle
+import androidx.fragment.app.activityViewModels
 import androidx.navigation.fragment.navArgs
 import androidx.recyclerview.widget.RecyclerView
 import dagger.hilt.android.AndroidEntryPoint
@@ -25,7 +26,6 @@ import org.oxycblt.auxio.databinding.DialogMusicPickerBinding
 import org.oxycblt.auxio.music.Artist
 import org.oxycblt.auxio.music.Song
 import org.oxycblt.auxio.playback.PlaybackViewModel
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.requireIs
 import org.oxycblt.auxio.util.unlikelyToBeNull
 
@@ -35,7 +35,7 @@ import org.oxycblt.auxio.util.unlikelyToBeNull
  */
 @AndroidEntryPoint
 class ArtistPlaybackPickerDialog : ArtistPickerDialog() {
-    private val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    private val playbackModel: PlaybackViewModel by activityViewModels()
     // Information about what Song to show choices for is initially within the navigation arguments
     // as UIDs, as that is the only safe way to parcel a Song.
     private val args: ArtistPlaybackPickerDialogArgs by navArgs()

app/src/main/java/org/oxycblt/auxio/music/picker/GenrePlaybackPickerDialog.kt

@@ -20,6 +20,7 @@ package org.oxycblt.auxio.music.picker
 import android.os.Bundle
 import android.view.LayoutInflater
 import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
@@ -32,7 +33,6 @@ import org.oxycblt.auxio.music.Genre
 import org.oxycblt.auxio.music.Song
 import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.ui.ViewBindingDialogFragment
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collectImmediately
 import org.oxycblt.auxio.util.requireIs
 import org.oxycblt.auxio.util.unlikelyToBeNull
@@ -45,7 +45,7 @@ import org.oxycblt.auxio.util.unlikelyToBeNull
 class GenrePlaybackPickerDialog :
     ViewBindingDialogFragment<DialogMusicPickerBinding>(), ClickableListListener<Genre> {
     private val pickerModel: PickerViewModel by viewModels()
-    private val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    private val playbackModel: PlaybackViewModel by activityViewModels()
     // Information about what Song to show choices for is initially within the navigation arguments
     // as UIDs, as that is the only safe way to parcel a Song.
     private val args: GenrePlaybackPickerDialogArgs by navArgs()

app/src/main/java/org/oxycblt/auxio/music/system/Indexer.kt

@@ -30,6 +30,7 @@ import org.oxycblt.auxio.BuildConfig
 import org.oxycblt.auxio.music.*
 import org.oxycblt.auxio.music.extractor.*
 import org.oxycblt.auxio.music.library.Library
+import org.oxycblt.auxio.music.library.RealSong
 import org.oxycblt.auxio.util.logD
 import org.oxycblt.auxio.util.logE
 import org.oxycblt.auxio.util.logW

app/src/main/java/org/oxycblt/auxio/playback/PlaybackBarFragment.kt

@@ -28,7 +28,6 @@ import org.oxycblt.auxio.playback.state.RepeatMode
 import org.oxycblt.auxio.ui.MainNavigationAction
 import org.oxycblt.auxio.ui.NavigationViewModel
 import org.oxycblt.auxio.ui.ViewBindingFragment
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collectImmediately
 import org.oxycblt.auxio.util.getAttrColorCompat
 import org.oxycblt.auxio.util.getColorCompat
@@ -39,7 +38,7 @@ import org.oxycblt.auxio.util.getColorCompat
  */
 @AndroidEntryPoint
 class PlaybackBarFragment : ViewBindingFragment<FragmentPlaybackBarBinding>() {
-    private val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    private val playbackModel: PlaybackViewModel by activityViewModels()
     private val navModel: NavigationViewModel by activityViewModels()
 
     override fun onCreateBinding(inflater: LayoutInflater) =

app/src/main/java/org/oxycblt/auxio/playback/PlaybackModule.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023 Auxio Project
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+ 
+package org.oxycblt.auxio.playback
+
+import android.content.Context
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import org.oxycblt.auxio.playback.persist.PersistenceRepository
+
+@Module
+@InstallIn(SingletonComponent::class)
+class PlaybackModule {
+    @Provides fun settings(@ApplicationContext context: Context) = PlaybackSettings.from(context)
+
+    @Provides
+    fun persistenceRepository(@ApplicationContext context: Context) =
+        PersistenceRepository.from(context)
+}

app/src/main/java/org/oxycblt/auxio/playback/PlaybackPanelFragment.kt

@@ -39,7 +39,6 @@ import org.oxycblt.auxio.playback.ui.StyledSeekBar
 import org.oxycblt.auxio.ui.MainNavigationAction
 import org.oxycblt.auxio.ui.NavigationViewModel
 import org.oxycblt.auxio.ui.ViewBindingFragment
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collectImmediately
 import org.oxycblt.auxio.util.showToast
 import org.oxycblt.auxio.util.systemBarInsetsCompat
@@ -54,7 +53,7 @@ class PlaybackPanelFragment :
     ViewBindingFragment<FragmentPlaybackPanelBinding>(),
     Toolbar.OnMenuItemClickListener,
     StyledSeekBar.Listener {
-    private val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    private val playbackModel: PlaybackViewModel by activityViewModels()
     private val navModel: NavigationViewModel by activityViewModels()
     private var equalizerLauncher: ActivityResultLauncher<Intent>? = null
 

app/src/main/java/org/oxycblt/auxio/playback/PlaybackViewModel.kt

@@ -17,9 +17,11 @@
  
 package org.oxycblt.auxio.playback
 
-import android.app.Application
 import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -34,12 +36,15 @@ import org.oxycblt.auxio.playback.state.*
  * An [AndroidViewModel] that provides a safe UI frontend for the current playback state.
  * @author Alexander Capehart (OxygenCobalt)
  */
-class PlaybackViewModel(application: Application) :
-    AndroidViewModel(application), PlaybackStateManager.Listener {
-    private val musicSettings = MusicSettings.from(application)
-    private val playbackSettings = PlaybackSettings.from(application)
+@HiltViewModel
+class PlaybackViewModel
+@Inject
+constructor(
+    private val persistenceRepository: PersistenceRepository,
+    private val playbackSettings: PlaybackSettings,
+    private val musicSettings: MusicSettings
+) : ViewModel(), PlaybackStateManager.Listener {
     private val playbackManager = PlaybackStateManager.get()
-    private val persistenceRepository = PersistenceRepository.from(application)
     private val musicRepository = MusicRepository.get()
     private var lastPositionJob: Job? = null
 

app/src/main/java/org/oxycblt/auxio/playback/queue/QueueFragment.kt

@@ -32,7 +32,6 @@ import org.oxycblt.auxio.list.adapter.BasicListInstructions
 import org.oxycblt.auxio.music.Song
 import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.ui.ViewBindingFragment
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.collectImmediately
 
 /**
@@ -42,7 +41,7 @@ import org.oxycblt.auxio.util.collectImmediately
 @AndroidEntryPoint
 class QueueFragment : ViewBindingFragment<FragmentQueueBinding>(), EditableListListener<Song> {
     private val queueModel: QueueViewModel by activityViewModels()
-    private val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    private val playbackModel: PlaybackViewModel by activityViewModels()
     private val queueAdapter = QueueAdapter(this)
     private var touchHelper: ItemTouchHelper? = null
 

app/src/main/java/org/oxycblt/auxio/search/SearchFragment.kt

@@ -26,6 +26,7 @@ import androidx.core.view.isInvisible
 import androidx.core.view.postDelayed
 import androidx.core.widget.addTextChangedListener
 import androidx.fragment.app.activityViewModels
+import androidx.fragment.app.viewModels
 import androidx.navigation.fragment.findNavController
 import com.google.android.material.transition.MaterialSharedAxis
 import dagger.hilt.android.AndroidEntryPoint
@@ -56,10 +57,10 @@ import org.oxycblt.auxio.util.*
  */
 @AndroidEntryPoint
 class SearchFragment : ListFragment<Music, FragmentSearchBinding>() {
-    private val searchModel: SearchViewModel by androidViewModels()
     override val navModel: NavigationViewModel by activityViewModels()
-    override val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    override val playbackModel: PlaybackViewModel by activityViewModels()
     override val selectionModel: SelectionViewModel by activityViewModels()
+    private val searchModel: SearchViewModel by viewModels()
     private val searchAdapter = SearchAdapter(this)
     private var imm: InputMethodManager? = null
     private var launchedKeyboard = false

app/src/main/java/org/oxycblt/auxio/search/SearchModule.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2023 Auxio Project
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+ 
+package org.oxycblt.auxio.search
+
+import android.content.Context
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+
+@Module
+@InstallIn(SingletonComponent::class)
+class SearchModule {
+    @Provides fun engine(@ApplicationContext context: Context) = SearchEngine.from(context)
+    @Provides fun settings(@ApplicationContext context: Context) = SearchSettings.from(context)
+}

app/src/main/java/org/oxycblt/auxio/search/SearchViewModel.kt

@@ -17,10 +17,12 @@
  
 package org.oxycblt.auxio.search
 
-import android.app.Application
 import androidx.annotation.IdRes
 import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import javax.inject.Inject
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -39,12 +41,15 @@ import org.oxycblt.auxio.util.logD
  * An [AndroidViewModel] that keeps performs search operations and tracks their results.
  * @author Alexander Capehart (OxygenCobalt)
  */
-class SearchViewModel(application: Application) :
-    AndroidViewModel(application), MusicRepository.Listener {
+@HiltViewModel
+class SearchViewModel
+@Inject
+constructor(
+    private val searchEngine: SearchEngine,
+    private val searchSettings: SearchSettings,
+    private val playbackSettings: PlaybackSettings,
+) : ViewModel(), MusicRepository.Listener {
     private val musicRepository = MusicRepository.get()
-    private val searchSettings = SearchSettings.from(application)
-    private val playbackSettings = PlaybackSettings.from(application)
-    private var searchEngine = SearchEngine.from(application)
     private var lastQuery: String? = null
     private var currentSearchJob: Job? = null
 

app/src/main/java/org/oxycblt/auxio/settings/RootPreferenceFragment.kt

@@ -29,7 +29,6 @@ import org.oxycblt.auxio.R
 import org.oxycblt.auxio.music.MusicViewModel
 import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.settings.ui.WrappedDialogPreference
-import org.oxycblt.auxio.util.androidActivityViewModels
 import org.oxycblt.auxio.util.showToast
 
 /**
@@ -38,7 +37,7 @@ import org.oxycblt.auxio.util.showToast
  */
 @AndroidEntryPoint
 class RootPreferenceFragment : BasePreferenceFragment(R.xml.preferences_root) {
-    private val playbackModel: PlaybackViewModel by androidActivityViewModels()
+    private val playbackModel: PlaybackViewModel by activityViewModels()
     private val musicModel: MusicViewModel by activityViewModels()
 
     override fun onCreate(savedInstanceState: Bundle?) {

app/src/main/java/org/oxycblt/auxio/ui/UIModule.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2023 Auxio Project
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+ 
+package org.oxycblt.auxio.ui
+
+import android.content.Context
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import org.oxycblt.auxio.image.ImageSettings
+
+@Module
+@InstallIn(SingletonComponent::class)
+class UIModule {
+    fun settings(@ApplicationContext context: Context) = ImageSettings.from(context)
+}

app/src/main/java/org/oxycblt/auxio/util/FrameworkUtil.kt

@@ -23,18 +23,12 @@ import android.graphics.drawable.Drawable
 import android.os.Build
 import android.view.View
 import android.view.WindowInsets
-import androidx.activity.viewModels
 import androidx.annotation.RequiresApi
-import androidx.appcompat.app.AppCompatActivity
 import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.graphics.Insets
 import androidx.core.graphics.drawable.DrawableCompat
 import androidx.fragment.app.Fragment
-import androidx.fragment.app.activityViewModels
-import androidx.fragment.app.viewModels
-import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.Lifecycle
-import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
 import androidx.recyclerview.widget.RecyclerView
@@ -196,35 +190,6 @@ private fun Fragment.launch(
     viewLifecycleOwner.lifecycleScope.launch { viewLifecycleOwner.repeatOnLifecycle(state, block) }
 }
 
-/**
- * An extension to [viewModels] that automatically provides an
- * [ViewModelProvider.AndroidViewModelFactory]. Use whenever an [AndroidViewModel] is used.
- */
-inline fun <reified T : AndroidViewModel> Fragment.androidViewModels() =
-    viewModels<T> { ViewModelProvider.AndroidViewModelFactory(requireActivity().application) }
-
-/**
- * An extension to [viewModels] that automatically provides an
- * [ViewModelProvider.AndroidViewModelFactory]. Use whenever an [AndroidViewModel] is used. Note
- * that this implementation is for an [AppCompatActivity], and thus makes this functionally
- * equivalent in scope to [androidActivityViewModels].
- */
-inline fun <reified T : AndroidViewModel> AppCompatActivity.androidViewModels() =
-    viewModels<T> { ViewModelProvider.AndroidViewModelFactory(application) }
-
-/**
- * An extension to [activityViewModels] that automatically provides an
- * [ViewModelProvider.AndroidViewModelFactory]. Use whenever an [AndroidViewModel] is used.
- */
-inline fun <reified T : AndroidViewModel> Fragment.androidActivityViewModels() =
-    activityViewModels<T> {
-        ViewModelProvider.AndroidViewModelFactory(requireActivity().application)
-    }
-
-/** The [Context] provided to an [AndroidViewModel]. */
-inline val AndroidViewModel.context: Context
-    get() = getApplication()
-
 /**
  * Get the "System Bar" [Insets] in this [WindowInsets] instance in a version-compatible manner This
  * can be used to prevent [View] elements from intersecting with the navigation bars.