all: cleanup

A bunch of small changes that have accrued over the last week due to
having more or less no time to work on Auxio.

app/build.gradle

@@ -64,11 +64,11 @@ dependencies {
     // General
     implementation "androidx.core:core-ktx:1.7.0"
     implementation "androidx.activity:activity-ktx:1.4.0"
-    implementation 'androidx.fragment:fragment-ktx:1.4.1'
+    implementation "androidx.fragment:fragment-ktx:1.4.1"
 
     // UI
     implementation "androidx.recyclerview:recyclerview:1.2.1"
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
+    implementation "androidx.constraintlayout:constraintlayout:2.1.3"
     implementation "androidx.dynamicanimation:dynamicanimation:1.0.0"
     implementation "androidx.viewpager2:viewpager2:1.1.0-beta01"
 
@@ -95,20 +95,20 @@ dependencies {
     // Exoplayer
     // WARNING: THE EXOPLAYER VERSION MUST BE KEPT IN LOCK-STEP WITH THE FLAC EXTENSION.
     // IF NOT, VERY UNFRIENDLY BUILD FAILURES AND CRASHES MAY ENSUE.
-    def exoplayerVersion = '2.17.0'
+    def exoplayerVersion = "2.17.1"
-    implementation("com.google.android.exoplayer:exoplayer-core:$exoplayerVersion")
+    implementation "com.google.android.exoplayer:exoplayer-core:$exoplayerVersion"
     implementation fileTree(dir: "libs", include: ["extension-*.aar"])
 
     // Image loading
-    implementation 'io.coil-kt:coil:2.0.0-alpha09'
+    implementation "io.coil-kt:coil:2.0.0-rc01"
 
     // Material
-    implementation 'com.google.android.material:material:1.6.0-alpha03'
+    implementation "com.google.android.material:material:1.6.0-alpha03"
 
     // --- DEBUG ---
 
     // Lint
-    ktlint 'com.pinterest:ktlint:0.44.0'
+    ktlint "com.pinterest:ktlint:0.44.0"
 }
 
 task ktlint(type: JavaExec, group: "verification") {

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

@@ -37,7 +37,8 @@ sealed class Item {
 
 /**
  * [Item] variant that represents a music item.
- * @property name
+ * TODO: Make name the actual display name and move raw names (including file names) to a new
+ *  field called rawName.
  */
 sealed class Music : Item() {
     /** The raw name of this item. */
@@ -116,8 +117,8 @@ data class Song(
         internalMediaStoreArtistName ?: album.artist.resolvedName
 
     /** Internal field. Do not use. */
-    val internalGroupingId: Int get() {
+    val internalAlbumGroupingId: Long get() {
-        var result = internalGroupingArtistName.lowercase().hashCode()
+        var result = internalGroupingArtistName.lowercase().hashCode().toLong()
         result = 31 * result + internalMediaStoreAlbumName.lowercase().hashCode()
         return result
     }
@@ -187,7 +188,11 @@ data class Album(
         artist.resolvedName
 
     /** Internal field. Do not use. */
-    val internalIsMissingArtist: Boolean = mArtist != null
+    val internalArtistGroupingId: Long get() =
+        internalGroupingArtistName.lowercase().hashCode().toLong()
+
+    /** Internal field. Do not use. */
+    val internalIsMissingArtist: Boolean get() = mArtist == null
 
     /** Internal method. Do not use. */
     fun internalLinkArtist(artist: Artist) {

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

@@ -1,5 +1,6 @@
 package org.oxycblt.auxio.music
 
+import android.content.ContentResolver
 import android.content.ContentUris
 import android.content.Context
 import android.net.Uri
@@ -8,7 +9,7 @@ import androidx.core.database.getIntOrNull
 import androidx.core.database.getStringOrNull
 import androidx.core.text.isDigitsOnly
 import org.oxycblt.auxio.R
-import org.oxycblt.auxio.excluded.ExcludedDatabase
+import org.oxycblt.auxio.music.excluded.ExcludedDatabase
 import org.oxycblt.auxio.util.logD
 
 /**
@@ -112,27 +113,39 @@ class MusicLoader {
         )
     }
 
-    private fun loadSongs(context: Context): List<Song> {
+    /**
-        var songs = mutableListOf<Song>()
+     * Gets a content resolver in a way that does not mangle metadata on
-        val blacklistDatabase = ExcludedDatabase.getInstance(context)
+     * certain OEM skins. See https://github.com/OxygenCobalt/Auxio/issues/50
-        val paths = blacklistDatabase.readPaths()
+     * for more info.
+     */
+    private val Context.contentResolverSafe: ContentResolver get() =
+        applicationContext.contentResolver
 
+    /**
+     * Does the initial query over the song database, including excluded directory
+     * checks. The songs returned by this function are **not** well-formed. The
+     * companion [buildAlbums], [buildArtists], and [readGenres] functions must be
+     * called with the returned list so that all songs are properly linked up.
+     */
+    private fun loadSongs(context: Context): List<Song> {
+        val blacklistDatabase = ExcludedDatabase.getInstance(context)
         var selector = "${MediaStore.Audio.Media.IS_MUSIC}=1"
         val args = mutableListOf<String>()
 
-        // DATA was deprecated on Android 10, but is set to be un-deprecated in Android 12L.
+        // Apply the excluded directories by filtering out specific DATA values.
-        // The only reason we'd want to change this is to add external partitions support, but
+        // DATA was deprecated in Android 10, but it was un-deprecated in Android 12L,
-        // that's less efficient and there's no demand for that right now.
+        // so it's probably okay to use it. The only reason we would want to use
+        // another method is for external partitions support, but there is no demand for that.
         // TODO: Determine if grokking the actual DATA value outside of SQL is more or less
         //  efficient than the current system
-        for (path in paths) {
+        for (path in blacklistDatabase.readPaths()) {
             selector += " AND ${MediaStore.Audio.Media.DATA} NOT LIKE ?"
             args += "$path%" // Append % so that the selector properly detects children
         }
 
-        // TODO: Move all references to contentResolver into a single variable so we can
+        var songs = mutableListOf<Song>()
-        //  avoid accidentally removing the applicationContext fix
+
-        context.applicationContext.contentResolver.query(
+        context.contentResolverSafe.query(
             MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
             arrayOf(
                 MediaStore.Audio.AudioColumns._ID,
@@ -166,7 +179,7 @@ class MusicLoader {
 
                 // The TRACK field is for some reason formatted as DTTT, where D is the disk
                 // and T is the track. This is dumb and insane and forces me to mangle track
-                // numbers above 1000 but there is nothing we can do that won't break the app
+                // numbers above 1000, but there is nothing we can do that won't break the app
                 // below API 30.
                 // TODO: Disk number support?
                 val track = cursor.getIntOrNull(trackIndex)?.mod(1000)
@@ -222,19 +235,22 @@ class MusicLoader {
         return songs
     }
 
+    /**
+     * Group songs up into their respective albums. Instead of using the unreliable album or
+     * artist databases, we instead group up songs by their *lowercase* artist and album name
+     * to create albums. This serves two purposes:
+     * 1. Sometimes artist names can be styled differently, e.g "Rammstein" vs. "RAMMSTEIN".
+     * This makes sure both of those are resolved into a single artist called "Rammstein"
+     * 2. Sometimes MediaStore will split album IDs up if the songs differ in format. This
+     * ensures that all songs are unified under a single album.
+     *
+     * This does come with some costs, it's far slower than using the album ID itself, and
+     * it may result in an unrelated album art being selected depending on the song chosen
+     * as the template, but it seems to work pretty well.
+     */
     private fun buildAlbums(songs: List<Song>): List<Album> {
-        // Group up songs by their lowercase artist and album name. This serves two purposes:
-        // 1. Sometimes artist names can be styled differently, e.g "Rammstein" vs. "RAMMSTEIN".
-        // This makes sure both of those are resolved into a single artist called "Rammstein"
-        // 2. Sometimes MediaStore will split album IDs up if the songs differ in format. This
-        // ensures that all songs are unified under a single album.
-        // This does come with some costs, it's far slower than using the album ID itself, and it
-        // may result in an unrelated album art being selected depending on the song chosen as
-        // the template, but it seems to work pretty well.
         val albums = mutableListOf<Album>()
-        val songsByAlbum = songs.groupBy { song ->
+        val songsByAlbum = songs.groupBy { it.internalAlbumGroupingId }
-            song.internalGroupingId
-        }
 
         for (entry in songsByAlbum) {
             val albumSongs = entry.value
@@ -270,35 +286,23 @@ class MusicLoader {
         return albums
     }
 
+    /**
+     * Group up albums into artists. This also requires a de-duplication step due to some
+     * edge cases where [buildAlbums] could not detect duplicates.
+     */
     private fun buildArtists(context: Context, albums: List<Album>): List<Artist> {
         val artists = mutableListOf<Artist>()
-        val albumsByArtist = albums.groupBy { it.internalGroupingArtistName }
+        val albumsByArtist = albums.groupBy { it.internalArtistGroupingId }
 
         for (entry in albumsByArtist) {
-            val artistName = entry.key
+            val templateAlbum = entry.value[0]
-            val resolvedName = when (artistName) {
+            val artistName = templateAlbum.internalGroupingArtistName
+            val resolvedName = when (templateAlbum.internalGroupingArtistName) {
                 MediaStore.UNKNOWN_STRING -> context.getString(R.string.def_artist)
                 else -> artistName
             }
             val artistAlbums = entry.value
 
-            // Album deduplication does not eliminate every case of fragmented artists, do
-            // we deduplicate in the artist creation step as well.
-            // Note that we actually don't do this in groupBy. This is generally because using
-            // a template song may not result in the best possible artist name in all cases.
-            val previousArtistIndex = artists.indexOfFirst { artist ->
-                artist.name.lowercase() == artistName.lowercase()
-            }
-
-            if (previousArtistIndex > -1) {
-                val previousArtist = artists[previousArtistIndex]
-                logD("Merging duplicate artist into pre-existing artist ${previousArtist.name}")
-                artists[previousArtistIndex] = Artist(
-                    previousArtist.name,
-                    previousArtist.resolvedName,
-                    previousArtist.albums + artistAlbums
-                )
-            } else {
             artists.add(
                 Artist(
                     artistName,
@@ -307,27 +311,27 @@ class MusicLoader {
                 )
             )
         }
-        }
 
         logD("Successfully built ${artists.size} artists")
 
         return artists
     }
 
+    /**
+     * Read all genres and link them up to the given songs. This is the code that
+     * requires me to make dozens of useless queries just to link genres up.
+     */
     private fun readGenres(context: Context, songs: List<Song>): List<Genre> {
         val genres = mutableListOf<Genre>()
 
-        val genreCursor = context.applicationContext.contentResolver.query(
+        context.contentResolverSafe.query(
             MediaStore.Audio.Genres.EXTERNAL_CONTENT_URI,
             arrayOf(
                 MediaStore.Audio.Genres._ID,
                 MediaStore.Audio.Genres.NAME
             ),
             null, null, null
-        )
+        )?.use { cursor ->
-
-        // And then process those into Genre objects
-        genreCursor?.use { cursor ->
             val idIndex = cursor.getColumnIndexOrThrow(MediaStore.Audio.Genres._ID)
             val nameIndex = cursor.getColumnIndexOrThrow(MediaStore.Audio.Genres.NAME)
 
@@ -351,7 +355,6 @@ class MusicLoader {
         }
 
         val songsWithoutGenres = songs.filter { it.internalIsMissingGenre }
-
         if (songsWithoutGenres.isNotEmpty()) {
             // Songs that don't have a genre will be thrown into an unknown genre.
             val unknownGenre = Genre(
@@ -368,17 +371,42 @@ class MusicLoader {
         return genres
     }
 
+    /**
+     * Decodes the genre name from an ID3(v2) constant. See [genreConstantTable] for the
+     * genre constant map that Auxio uses.
+     */
+    private val String.genreNameCompat: String? get() {
+        if (isDigitsOnly()) {
+            // ID3v1, just parse as an integer
+            return genreConstantTable.getOrNull(toInt())
+        }
+
+        if (startsWith('(') && endsWith(')')) {
+            // ID3v2.3/ID3v2.4, parse out the parentheses and get the integer
+            // Any genres formatted as "(CHARS)" will be ignored.
+            val genreInt = substring(1 until lastIndex).toIntOrNull()
+            if (genreInt != null) {
+                return genreConstantTable.getOrNull(genreInt)
+            }
+        }
+
+        // Current name is fine.
+        return null
+    }
+
+    /**
+     * Queries the genre songs for [genreId]. Some genres are insane and don't contain songs
+     * for some reason, so if that's the case then this function will return null.
+     */
     private fun queryGenreSongs(context: Context, genreId: Long, songs: List<Song>): List<Song>? {
         val genreSongs = mutableListOf<Song>()
 
         // Don't even bother blacklisting here as useless iterations are less expensive than IO
-        val songCursor = context.applicationContext.contentResolver.query(
+        context.contentResolverSafe.query(
             MediaStore.Audio.Genres.Members.getContentUri("external", genreId),
             arrayOf(MediaStore.Audio.Genres.Members._ID),
             null, null, null
-        )
+        )?.use { cursor ->
-
-        songCursor?.use { cursor ->
             val idIndex = cursor.getColumnIndexOrThrow(MediaStore.Audio.Genres.Members._ID)
 
             while (cursor.moveToNext()) {
@@ -389,30 +417,9 @@ class MusicLoader {
             }
         }
 
-        // Some genres might be empty due to MediaStore insanity.
-        // If that is the case, we drop them.
         return genreSongs.ifEmpty { null }
     }
 
-    private val String.genreNameCompat: String? get() {
-        if (isDigitsOnly()) {
-            // ID3v1, just parse as an integer
-            return legacyGenreTable.getOrNull(toInt())
-        }
-
-        if (startsWith('(') && endsWith(')')) {
-            // ID3v2.3/ID3v2.4, parse out the parentheses and get the integer
-            // Any genres formatted as "(CHARS)" will be ignored.
-            val genreInt = substring(1 until lastIndex).toIntOrNull()
-            if (genreInt != null) {
-                return legacyGenreTable.getOrNull(genreInt)
-            }
-        }
-
-        // Current name is fine.
-        return null
-    }
-
     companion object {
         /**
          * The album_artist MediaStore field has existed since at least API 21, but until API
@@ -421,13 +428,13 @@ class MusicLoader {
          * warning about using a possibly-unsupported constant.
          */
         @Suppress("InlinedApi")
-        const val AUDIO_COLUMN_ALBUM_ARTIST = MediaStore.Audio.AudioColumns.ALBUM_ARTIST
+        private const val AUDIO_COLUMN_ALBUM_ARTIST = MediaStore.Audio.AudioColumns.ALBUM_ARTIST
 
         /**
-         * A complete array of all the hardcoded genre values for ID3(v2), contains standard genres and
+         * A complete table of all the constant genre values for ID3(v2), including non-standard
-         * winamp extensions.
+         * extensions.
          */
-        private val legacyGenreTable = arrayOf(
+        private val genreConstantTable = arrayOf(
             // ID3 Standard
             "Blues", "Classic Rock", "Country", "Dance", "Disco", "Funk", "Grunge", "Hip-Hop",
             "Jazz", "Metal", "New Age", "Oldies", "Other", "Pop", "R&B", "Rap", "Reggae", "Rock",
@@ -441,7 +448,7 @@ class MusicLoader {
             "New Wave", "Psychadelic", "Rave", "Showtunes", "Trailer", "Lo-Fi", "Tribal",
             "Acid Punk", "Acid Jazz", "Polka", "Retro", "Musical", "Rock & Roll", "Hard Rock",
 
-            // Winamp Extensions
+            // Winamp extensions, more or less a de-facto standard
             "Folk", "Folk-Rock", "National Folk", "Swing", "Fast Fusion", "Bebob", "Latin",
             "Revival", "Celtic", "Bluegrass", "Avantgarde", "Gothic Rock", "Progressive Rock",
             "Psychedelic Rock", "Symphonic Rock", "Slow Rock", "Big Band", "Chorus",
@@ -454,9 +461,8 @@ class MusicLoader {
             "Crossover", "Contemporary Christian", "Christian Rock", "Merengue", "Salsa",
             "Thrash Metal", "Anime", "JPop", "Synthpop",
 
-            // Winamp 5.6+ extensions, used by EasyTAG and friends
+            // Winamp 5.6+ extensions, also used by EasyTAG.
-            // The only reason I include this set is because post-rock is a based genre and
+            // I only include this because post-rock is a based genre and deserves a slot.
-            // deserves a slot.
             "Abstract", "Art Rock", "Baroque", "Bhangra", "Big Beat", "Breakbeat", "Chillout",
             "Downtempo", "Dub", "EBM", "Eclectic", "Electro", "Electroclash", "Emo", "Experimental",
             "Garage", "Global", "IDM", "Illbient", "Industro-Goth", "Jam Band", "Krautrock",

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

@@ -118,7 +118,7 @@ class MusicStore private constructor() {
     /**
      * A response that [MusicStore] returns when loading music.
      * And before you ask, yes, I do like rust.
-     * TODO: Replace this with the kotlin builtin
+     * TODO: Add the exception to the "FAILED" ErrorKind
      */
     sealed class Response {
         class Ok(val musicStore: MusicStore) : Response()

app/src/main/java/org/oxycblt/auxio/music/excluded/ExcludedDatabase.kt

@@ -16,7 +16,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package org.oxycblt.auxio.excluded
+package org.oxycblt.auxio.music.excluded
 
 import android.content.ContentValues
 import android.content.Context

app/src/main/java/org/oxycblt/auxio/music/excluded/ExcludedDialog.kt

@@ -16,7 +16,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package org.oxycblt.auxio.excluded
+package org.oxycblt.auxio.music.excluded
 
 import android.net.Uri
 import android.os.Bundle
@@ -141,6 +141,8 @@ class ExcludedDialog : LifecycleDialog() {
         // Only the main drive is supported, since that's all we can get from MediaColumns.DATA
         // Unless I change the system to use the drive/directory system, that is. But there's no
         // demand for that.
+        // TODO: You are going to split the queries into pre-Q and post-Q versions, so perhaps
+        //  you should try to add external partition support again.
         if (typeAndPath[0] == "primary") {
             return getRootPath() + "/" + typeAndPath.last()
         }

app/src/main/java/org/oxycblt/auxio/music/excluded/ExcludedEntryAdapter.kt

@@ -16,7 +16,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package org.oxycblt.auxio.excluded
+package org.oxycblt.auxio.music.excluded
 
 import android.annotation.SuppressLint
 import android.view.ViewGroup

app/src/main/java/org/oxycblt/auxio/music/excluded/ExcludedViewModel.kt

@@ -16,7 +16,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package org.oxycblt.auxio.excluded
+package org.oxycblt.auxio.music.excluded
 
 import android.content.Context
 import androidx.lifecycle.LiveData
@@ -32,6 +32,7 @@ import org.oxycblt.auxio.util.logD
 /**
  * ViewModel that acts as a wrapper around [ExcludedDatabase], allowing for the addition/removal
  * of paths. Use [Factory] to instantiate this.
+ * TODO: Unify with MusicViewModel
  * @author OxygenCobalt
  */
 class ExcludedViewModel(private val excludedDatabase: ExcludedDatabase) : ViewModel() {

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

@@ -44,6 +44,10 @@ import org.oxycblt.auxio.util.logE
  * **PLEASE Use this instead of [PlaybackStateManager], UI's are extremely volatile and this provides
  * an interface that properly sanitizes input and abstracts functions unlike the master class.**
  * @author OxygenCobalt
+ *
+ * TODO: Completely rework this module to support the new music rescan system,
+ *  proper android auto and external exposing, and so on.
+ *  - DO NOT REWRITE IT! THAT'S BAD AND WILL PROBABLY RE-INTRODUCE A TON OF BUGS.
  */
 class PlaybackViewModel : ViewModel(), PlaybackStateManager.Callback {
     // Playback
@@ -170,7 +174,6 @@ class PlaybackViewModel : ViewModel(), PlaybackStateManager.Callback {
         logD("Playing with uri $uri")
 
         val musicStore = MusicStore.maybeGetInstance() ?: return
-
         musicStore.findSongForUri(uri, context.contentResolver)?.let { song ->
             playSong(song)
         }

app/src/main/java/org/oxycblt/auxio/playback/state/PlaybackStateManager.kt

@@ -40,8 +40,6 @@ import org.oxycblt.auxio.util.logE
  *
  * All access should be done with [PlaybackStateManager.getInstance].
  * @author OxygenCobalt
- *
- * TODO: Rework this to possibly handle gapless playback and more refined queue management.
  */
 class PlaybackStateManager private constructor() {
     // Playback

app/src/main/java/org/oxycblt/auxio/playback/system/PlaybackService.kt

@@ -510,6 +510,8 @@ class PlaybackService : Service(), Player.Listener, PlaybackStateManager.Callbac
          * due to AudioManager.ACTION_HEADSET_PLUG always firing on startup. This is fixed, but
          * I fear that it may not work on OEM skins that for whatever reason don't make this
          * action fire.
+         * TODO: Figure out how players like Retro are able to get autoplay working with
+         *  bluetooth headsets
          */
         private fun maybeResumeFromPlug() {
             if (playbackManager.song != null &&
@@ -523,6 +525,8 @@ class PlaybackService : Service(), Player.Listener, PlaybackStateManager.Callbac
 
         /**
          * Pause from a headset plug.
+         * TODO: Find a way to centralize this stuff into a single BroadcastReciever instead
+         *  of the weird disjointed arrangement between MediaSession and this.
          */
         private fun pauseFromPlug() {
             if (playbackManager.song != null) {

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

@@ -32,7 +32,7 @@ import androidx.recyclerview.widget.RecyclerView
 import coil.Coil
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.accent.AccentCustomizeDialog
-import org.oxycblt.auxio.excluded.ExcludedDialog
+import org.oxycblt.auxio.music.excluded.ExcludedDialog
 import org.oxycblt.auxio.home.tabs.TabCustomizeDialog
 import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.settings.pref.IntListPrefDialog

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

@@ -27,14 +27,14 @@ import org.oxycblt.auxio.music.Item
  * @author OxygenCobalt
  */
 class DiffCallback<T : Item> : DiffUtil.ItemCallback<T>() {
-    override fun areContentsTheSame(oldItem: T, newItem: T): Boolean {
-        return oldItem.hashCode() == newItem.hashCode()
-    }
-
     override fun areItemsTheSame(oldItem: T, newItem: T): Boolean {
         // Prevent ID collisions from occurring between datatypes.
         if (oldItem.javaClass != newItem.javaClass) return false
 
         return oldItem.id == newItem.id
     }
+
+    override fun areContentsTheSame(oldItem: T, newItem: T): Boolean {
+        return oldItem.hashCode() == newItem.hashCode()
+    }
 }

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

@@ -245,11 +245,8 @@ fun Context.hardRestart() {
     // Instead of having to do a ton of cleanup and horrible code changes
     // to restart this application non-destructively, I just restart the UI task [There is only
     // one, after all] and then kill the application using exitProcess. Works well enough.
-    val intent = Intent(applicationContext, MainActivity::class.java).setFlags(
+    val intent = Intent(applicationContext, MainActivity::class.java)
-        Intent.FLAG_ACTIVITY_CLEAR_TASK
+        .setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
-    )
-
     startActivity(intent)
-
     exitProcess(0)
 }

gradle.properties

@@ -17,7 +17,7 @@ org.gradle.jvmargs=-Xmx2048m
 android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
 android.enableJetifier=true
-# Stop ExoPlayer from mangling AAR libraries with default abstract methods
+# Stop ExoPlayer AARs from being mangled
 android.enableDexingArtifactTransform=false
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official

info/ARCHITECTURE.md

@@ -17,12 +17,12 @@ org.oxycblt.auxio  # Main UIs
 ├──.coil           # Image loading components
 ├──.detail         # Album/Artist/Genre detail UIs
 │  └──.recycler    # RecyclerView components for detail UIs 
-├──.excluded       # Excluded Directories UI + Systems
 ├──.home           # Home UI
 │  ├──.fastscroll  # Fast scroller UI
 │  ├──.list        # Home item lists
 │  └──.tabs        # Home tab customization
 ├──.music          # Music data and loading
+│  └──.excluded    # Excluded Directories UI + Systems
 ├──.playback       # Playback UI + Systems
 │  ├──.queue       # Queue UI
 │  ├──.state       # Playback state backend
@@ -86,10 +86,10 @@ should only be talking to other shared objects.  All objects can use the utility
 #### Data objects
 Auxio represents data in multiple ways.
 
-`BaseModel` is the base class for most music and UI data in Auxio, with a single ID field meant to mark it as unique.
+`Item` is the base class for most music and UI data in Auxio, with a single ID field meant to mark it as unique.
 
 It has the following implementations:
-- `Music` is a `BaseModel` that represents music. It adds a `name` field that represents the raw name of the music (from `MediaStore`).
+- `Music` is a `Item` that represents music. It adds a `name` field that represents the raw name of the music (from `MediaStore`).
 - `MusicParent` is a type of `Music` that contains children. It adds a `resolveName` field that converts the raw `MediaStore` name
 to a name that can be used in UIs.
 - `Header` and `ActionHeader` are UI data objects that represent a header item. `Header` corresponds to a simple header with no action,