Add sorting

Add Alphabetical/Numeric sorting to ArtistDetailFragment.

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

@@ -1,4 +0,0 @@
-package org.oxycblt.auxio
-
-// RecyclerView click listener
-class ClickListener<T>(val onClick: (T) -> Unit)

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

@@ -9,7 +9,7 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
-import org.oxycblt.auxio.ClickListener
+import org.oxycblt.auxio.reycler.ClickListener
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.databinding.FragmentAlbumDetailBinding
 import org.oxycblt.auxio.detail.adapters.DetailSongAdapter
@@ -75,4 +75,10 @@ class AlbumDetailFragment : Fragment() {
 
         return binding.root
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+
+        detailModel.currentAlbum = null
+    }
 }

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

@@ -9,12 +9,14 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
-import org.oxycblt.auxio.ClickListener
+import org.oxycblt.auxio.reycler.ClickListener
 import org.oxycblt.auxio.databinding.FragmentArtistDetailBinding
 import org.oxycblt.auxio.detail.adapters.DetailAlbumAdapter
 import org.oxycblt.auxio.music.MusicViewModel
 import org.oxycblt.auxio.music.models.Album
+import org.oxycblt.auxio.reycler.SortMode
 import org.oxycblt.auxio.theme.applyDivider
+import java.util.Comparator
 
 class ArtistDetailFragment : Fragment() {
 
@@ -37,20 +39,37 @@ class ArtistDetailFragment : Fragment() {
             }!!
         }
 
-        val artistAdapter = DetailAlbumAdapter(
+        val albumAdapter = DetailAlbumAdapter(
-            detailModel.currentArtist!!.albums,
             ClickListener {
                 navToAlbum(it)
             }
         )
 
         binding.lifecycleOwner = this
+        binding.detailModel = detailModel
         binding.artist = detailModel.currentArtist!!
 
-        binding.albumRecycler.adapter = artistAdapter
+        binding.albumRecycler.adapter = albumAdapter
         binding.albumRecycler.applyDivider()
         binding.albumRecycler.setHasFixedSize(true)
 
+        detailModel.artistSortMode.observe(viewLifecycleOwner) { mode ->
+            // Update the current sort icon
+            binding.sortButton.setImageResource(mode.iconRes)
+
+            // Then update the sort mode of the album adapter.
+            albumAdapter.submitList(
+                detailModel.currentArtist!!.albums.sortedWith(
+                    SortMode.albumSortComparators.getOrDefault(
+                        mode,
+
+                        // If any invalid value is given, just default to the normal sort order.
+                        compareByDescending { it.year }
+                    )
+                )
+            )
+        }
+
         Log.d(this::class.simpleName, "Fragment created.")
 
         return binding.root

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

@@ -1,10 +1,12 @@
 package org.oxycblt.auxio.detail
 
+import android.util.Log
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import org.oxycblt.auxio.music.models.Album
 import org.oxycblt.auxio.music.models.Artist
+import org.oxycblt.auxio.reycler.SortMode
 
 class DetailViewModel : ViewModel() {
     var isAlreadyNavigating = false
@@ -12,6 +14,9 @@ class DetailViewModel : ViewModel() {
     private val mNavToParentArtist = MutableLiveData<Boolean>()
     val navToParentArtist: LiveData<Boolean> get() = mNavToParentArtist
 
+    private val mArtistSortMode = MutableLiveData(SortMode.NUMERIC_DOWN)
+    val artistSortMode: LiveData<SortMode> get() = mArtistSortMode
+
     var currentArtist: Artist? = null
     var currentAlbum: Album? = null
 
@@ -22,4 +27,15 @@ class DetailViewModel : ViewModel() {
     fun doneWithNavToParent() {
         mNavToParentArtist.value = false
     }
-}
+
+    fun incrementArtistSortMode() {
+        mArtistSortMode.value = when (mArtistSortMode.value) {
+            SortMode.NUMERIC_DOWN -> SortMode.NUMERIC_UP
+            SortMode.NUMERIC_UP -> SortMode.ALPHA_DOWN
+            SortMode.ALPHA_DOWN -> SortMode.ALPHA_UP
+            SortMode.ALPHA_UP -> SortMode.NUMERIC_DOWN
+
+            else -> SortMode.NUMERIC_DOWN
+        }
+    }
+}

app/src/main/java/org/oxycblt/auxio/detail/adapters/DetailAlbumAdapter.kt

@@ -2,17 +2,16 @@ package org.oxycblt.auxio.detail.adapters
 
 import android.view.LayoutInflater
 import android.view.ViewGroup
+import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
-import org.oxycblt.auxio.ClickListener
+import org.oxycblt.auxio.reycler.ClickListener
 import org.oxycblt.auxio.databinding.ItemAlbumBinding
 import org.oxycblt.auxio.music.models.Album
+import org.oxycblt.auxio.reycler.DiffCallback
 
 class DetailAlbumAdapter(
-    private val data: List<Album>,
     private val listener: ClickListener<Album>
-) : RecyclerView.Adapter<DetailAlbumAdapter.ViewHolder>() {
+) : ListAdapter<Album, DetailAlbumAdapter.ViewHolder>(DiffCallback()){
-
-    override fun getItemCount(): Int = data.size
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         return ViewHolder(
@@ -21,7 +20,7 @@ class DetailAlbumAdapter(
     }
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        holder.bind(data[position])
+        holder.bind(getItem(position))
     }
 
     // Generic ViewHolder for an album

app/src/main/java/org/oxycblt/auxio/detail/adapters/DetailSongAdapter.kt

@@ -3,7 +3,7 @@ package org.oxycblt.auxio.detail.adapters
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
-import org.oxycblt.auxio.ClickListener
+import org.oxycblt.auxio.reycler.ClickListener
 import org.oxycblt.auxio.databinding.ItemAlbumSongBinding
 import org.oxycblt.auxio.music.models.Song
 

app/src/main/java/org/oxycblt/auxio/library/LibraryFragment.kt

@@ -8,7 +8,7 @@ import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import androidx.navigation.fragment.findNavController
-import org.oxycblt.auxio.ClickListener
+import org.oxycblt.auxio.reycler.ClickListener
 import org.oxycblt.auxio.MainFragmentDirections
 import org.oxycblt.auxio.databinding.FragmentLibraryBinding
 import org.oxycblt.auxio.library.adapters.ArtistAdapter

app/src/main/java/org/oxycblt/auxio/library/adapters/AlbumAdapter.kt

@@ -3,7 +3,7 @@ package org.oxycblt.auxio.library.adapters
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
-import org.oxycblt.auxio.ClickListener
+import org.oxycblt.auxio.reycler.ClickListener
 import org.oxycblt.auxio.databinding.ItemAlbumBinding
 import org.oxycblt.auxio.music.models.Album
 

app/src/main/java/org/oxycblt/auxio/library/adapters/ArtistAdapter.kt

@@ -3,7 +3,7 @@ package org.oxycblt.auxio.library.adapters
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
-import org.oxycblt.auxio.ClickListener
+import org.oxycblt.auxio.reycler.ClickListener
 import org.oxycblt.auxio.databinding.ItemArtistBinding
 import org.oxycblt.auxio.music.models.Artist
 

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

@@ -86,6 +86,7 @@ fun TextView.bindArtistCounts(artist: Artist) {
     text = context.getString(R.string.format_double_counts, albums, songs)
 }
 
+
 // Get the artist genre.
 // TODO: Stub, add option to list all genres instead of just the most prominent
 @BindingAdapter("artistGenre")

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

@@ -21,6 +21,8 @@ import org.oxycblt.auxio.music.processing.MusicLoaderResponse
 import org.oxycblt.auxio.music.processing.MusicSorter
 
 // ViewModel for music storage. May also be a god object.
+// TODO: Move the lists from the music models to a map, would
+//  make some systems a lot less hacky and maybe decrease memory usage.
 class MusicViewModel(private val app: Application) : ViewModel() {
 
     // Coroutine

app/src/main/java/org/oxycblt/auxio/music/coil/ArtistImageFetcher.kt

@@ -61,6 +61,8 @@ class ArtistImageFetcher(private val context: Context) : Fetcher<List<Uri>> {
         var y = 0
         val increment = MOSAIC_BITMAP_SIZE / 2
 
+        // For each stream, create a bitmap scaled to 1/4th of the mosaics combined size
+        // and place it on a corner of the canvas.
         for (stream in streams) {
             val bitmap = Bitmap.createScaledBitmap(
                 BitmapFactory.decodeStream(stream),

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

@@ -26,7 +26,6 @@ class MusicLoader(
     private val artistPlaceholder: String,
     private val albumPlaceholder: String,
 ) {
-
     var genres = mutableListOf<Genre>()
     var artists = mutableListOf<Artist>()
     var albums = mutableListOf<Album>()
@@ -111,14 +110,15 @@ class MusicLoader(
     private fun loadArtists() {
         Log.d(this::class.simpleName, "Starting artist search...")
 
-        // To associate artists with their genres, a new cursor is
+        // Iterate through the artists for each loaded genre, and then add the genre
-        // created with all the artists of that type.
+        // with the artist.
+        // This is only done because using GENRE_NAME for songs is broken and has been for years.
         for (genre in genres) {
             artistCursor = resolver.query(
                 Genres.Members.getContentUri("external", genre.id),
                 arrayOf(
                     Artists._ID, // 0
-                    Artists.ARTIST // 1
+                    Artists.ARTIST, // 1
                 ),
                 null, null,
                 Artists.DEFAULT_SORT_ORDER
@@ -227,7 +227,7 @@ class MusicLoader(
                 Media.TITLE, // 2
                 Media.ALBUM_ID, // 3
                 Media.TRACK, // 4
-                Media.DURATION // 5
+                Media.DURATION, // 5
             ),
             Media.IS_MUSIC + "=1", null,
             Media.DEFAULT_SORT_ORDER

app/src/main/java/org/oxycblt/auxio/reycler/RecyclerUtils.kt

@@ -0,0 +1,47 @@
+package org.oxycblt.auxio.reycler
+
+import androidx.recyclerview.widget.DiffUtil
+import org.oxycblt.auxio.R
+import org.oxycblt.auxio.music.models.Album
+import org.oxycblt.auxio.music.models.Artist
+
+// RecyclerView click listener
+class ClickListener<T>(val onClick: (T) -> Unit)
+
+// Diff callback
+class DiffCallback : DiffUtil.ItemCallback<Album>() {
+    override fun areContentsTheSame(oldItem: Album, newItem: Album): Boolean {
+        return oldItem.id == newItem.id
+    }
+
+    override fun areItemsTheSame(oldItem: Album, newItem: Album): Boolean {
+        return oldItem == newItem
+    }
+}
+
+// Sorting modes
+enum class SortMode(val iconRes: Int) {
+    // Icons for each mode are assigned to the enums themselves
+    NONE(R.drawable.ic_sort_alpha_down),
+    ALPHA_UP(R.drawable.ic_sort_alpha_up),
+    ALPHA_DOWN(R.drawable.ic_sort_alpha_down),
+    NUMERIC_UP(R.drawable.ic_sort_numeric_up),
+    NUMERIC_DOWN(R.drawable.ic_sort_numeric_down);
+
+    companion object {
+        // Sort comparators are different for each music model, so they are
+        // static maps instead.
+        val albumSortComparators = mapOf<SortMode, Comparator<Album>>(
+            NUMERIC_DOWN to compareBy { it.year },
+            NUMERIC_UP to compareByDescending { it.year },
+
+            // Alphabetic sorting needs to be case-insensitive
+            ALPHA_DOWN to compareByDescending(
+                String.CASE_INSENSITIVE_ORDER
+            ) { it.name },
+            ALPHA_UP to compareBy(
+                String.CASE_INSENSITIVE_ORDER
+            ) { it.name },
+        )
+    }
+}

app/src/main/java/org/oxycblt/auxio/songs/SongAdapter.kt

@@ -3,7 +3,7 @@ package org.oxycblt.auxio.songs
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
-import org.oxycblt.auxio.ClickListener
+import org.oxycblt.auxio.reycler.ClickListener
 import org.oxycblt.auxio.databinding.ItemSongBinding
 import org.oxycblt.auxio.music.models.Song
 

app/src/main/java/org/oxycblt/auxio/songs/SongsFragment.kt

@@ -7,7 +7,7 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
-import org.oxycblt.auxio.ClickListener
+import org.oxycblt.auxio.reycler.ClickListener
 import org.oxycblt.auxio.databinding.FragmentSongsBinding
 import org.oxycblt.auxio.music.MusicViewModel
 import org.oxycblt.auxio.theme.applyDivider

app/src/main/res/drawable/ic_sort_alpha_down.xml

@@ -0,0 +1,19 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?android:attr/colorPrimary">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m3.6944,17.9917h-2.7188L5.1182,5.9917L8.3877,5.9917L12.5244,17.9917h-2.7188L6.7998,8.7339L6.7061,8.7339ZM3.5244,13.2749h6.4219v1.9805L3.5244,15.2554Z"
+      android:strokeWidth="0.4125"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m13.8369,17.9917v-1.5059l5.9883,-8.4023h-6L13.8252,5.9917h9.1875L23.0127,7.4975L17.0185,15.8999h6.0059v2.0918z"
+      android:strokeWidth="0.4125"/>
+  <path
+      android:pathData="m15.5,20.5355c-2.3333,0 -4.6667,0 -7,0 1.1667,1.152 2.3333,2.304 3.5,3.456 1.1667,-1.152 2.3333,-2.304 3.5,-3.456z"
+      android:strokeWidth="0.139935"
+      android:fillColor="#000000"/>
+</vector>

app/src/main/res/drawable/ic_sort_alpha_up.xml

@@ -0,0 +1,19 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?android:attr/colorPrimary">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m3.6944,17.9917h-2.7188L5.1182,5.9917L8.3877,5.9917L12.5244,17.9917h-2.7188L6.7998,8.7339L6.7061,8.7339ZM3.5244,13.2749h6.4219v1.9805L3.5244,15.2554Z"
+      android:strokeWidth="0.4125"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m13.8369,17.9917v-1.5059l5.9883,-8.4023h-6L13.8252,5.9917h9.1875L23.0127,7.4975L17.0185,15.8999h6.0059v2.0918z"
+      android:strokeWidth="0.4125"/>
+  <path
+      android:pathData="m15.5,3.4478c-2.3333,0 -4.6667,0 -7,0 1.1667,-1.152 2.3333,-2.304 3.5,-3.456 1.1667,1.152 2.3333,2.304 3.5,3.456z"
+      android:strokeWidth="0.139935"
+      android:fillColor="#000000"/>
+</vector>

app/src/main/res/drawable/ic_sort_numeric_down.xml

@@ -0,0 +1,19 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?android:attr/colorPrimary">
+  <path
+      android:pathData="m15.5,20.544c-2.3333,0 -4.6667,0 -7,0 1.1667,1.152 2.3333,2.304 3.5,3.456 1.1667,-1.152 2.3333,-2.304 3.5,-3.456z"
+      android:strokeWidth="0.139935"
+      android:fillColor="#000000"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M6.5424,18.0001Q5.034,17.9945 3.9466,17.2836 2.865,16.5728 2.2804,15.2244 1.7016,13.876 1.7074,11.9804q0,-1.89 0.5788,-3.2214 0.5846,-1.3314 1.6662,-2.0254 1.0874,-0.6996 2.59,-0.6996 1.5025,0 2.5841,0.6996 1.0874,0.6996 1.6721,2.031 0.5846,1.3258 0.5788,3.2158 0,1.9013 -0.5846,3.2496 -0.5788,1.3484 -1.6604,2.0592 -1.0816,0.7109 -2.59,0.7109zM6.5424,15.9748q1.029,0 1.6428,-0.9986 0.6139,-0.9986 0.608,-2.9957 0,-1.3145 -0.2806,-2.189 -0.2748,-0.8745 -0.7834,-1.3145 -0.5028,-0.4401 -1.1868,-0.4401 -1.0231,0 -1.637,0.9873 -0.6139,0.9873 -0.6197,2.9563 0,1.3314 0.2748,2.2228 0.2806,0.8857 0.7893,1.3314 0.5086,0.4401 1.1927,0.4401z"
+      android:strokeWidth="0.404319"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m17.5102,6.0002q0.9237,0 1.7773,0.299 0.8594,0.2934 1.5318,0.9534 0.6782,0.6601 1.0699,1.7489 0.3976,1.0832 0.4034,2.6685 -0.0058,1.4725 -0.3508,2.629 -0.3391,1.1509 -0.9763,1.9577 -0.6373,0.8068 -1.5376,1.2299 -0.8945,0.4175 -2.0053,0.4175 -1.1985,0 -2.1164,-0.4457 -0.9179,-0.4513 -1.4791,-1.2243 -0.5554,-0.7786 -0.6723,-1.7489h2.4964q0.1462,0.6319 0.6139,0.9817 0.4677,0.3441 1.1576,0.3441 1.1693,0 1.7773,-0.9817 0.608,-0.9873 0.6139,-2.7024h-0.0818q-0.2689,0.5078 -0.725,0.8745 -0.456,0.3611 -1.0465,0.5585 -0.5846,0.1975 -1.2453,0.1975 -1.0582,0 -1.8942,-0.4795 -0.8302,-0.4795 -1.3096,-1.3202 -0.4794,-0.8463 -0.4736,-1.9295 -0.0058,-1.1735 0.5554,-2.0818 0.5613,-0.914 1.5668,-1.433 1.0114,-0.519 2.3503,-0.5134zM17.5278,7.9184q-0.5905,0 -1.0524,0.2708 -0.456,0.2708 -0.725,0.7334 -0.2631,0.4626 -0.2572,1.0381 -0.0058,0.5755 0.2514,1.0324 0.2631,0.457 0.7191,0.7278 0.456,0.2652 1.0407,0.2652 0.4385,0 0.8068,-0.158 0.3742,-0.158 0.6489,-0.4344 0.2806,-0.2821 0.4385,-0.6488 0.1579,-0.3724 0.1637,-0.7955 -0.0058,-0.5585 -0.2689,-1.0211 -0.2631,-0.4626 -0.725,-0.7334 -0.4619,-0.2764 -1.0407,-0.2764z"
+      android:strokeWidth="0.404319"/>
+</vector>

app/src/main/res/drawable/ic_sort_numeric_up.xml

@@ -0,0 +1,19 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?android:attr/colorPrimary">
+  <path
+      android:pathData="m15.5,3.4563c-2.3333,0 -4.6667,0 -7,0 1.1667,-1.152 2.3333,-2.304 3.5,-3.456 1.1667,1.152 2.3333,2.304 3.5,3.456z"
+      android:strokeWidth="0.139935"
+      android:fillColor="#000000"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M6.5424,18.0001Q5.034,17.9945 3.9466,17.2836 2.865,16.5728 2.2804,15.2244 1.7016,13.876 1.7074,11.9804q0,-1.89 0.5788,-3.2214 0.5846,-1.3314 1.6662,-2.0254 1.0874,-0.6996 2.59,-0.6996 1.5025,0 2.5841,0.6996 1.0874,0.6996 1.6721,2.031 0.5846,1.3258 0.5788,3.2158 0,1.9013 -0.5846,3.2496 -0.5788,1.3484 -1.6604,2.0592 -1.0816,0.7109 -2.59,0.7109zM6.5424,15.9748q1.029,0 1.6428,-0.9986 0.6139,-0.9986 0.608,-2.9957 0,-1.3145 -0.2806,-2.189 -0.2748,-0.8745 -0.7834,-1.3145 -0.5028,-0.4401 -1.1868,-0.4401 -1.0231,0 -1.637,0.9873 -0.6139,0.9873 -0.6197,2.9563 0,1.3314 0.2748,2.2228 0.2806,0.8857 0.7893,1.3314 0.5086,0.4401 1.1927,0.4401z"
+      android:strokeWidth="0.404319"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="m17.5102,6.0002q0.9237,0 1.7773,0.299 0.8594,0.2934 1.5318,0.9534 0.6782,0.6601 1.0699,1.7489 0.3976,1.0832 0.4034,2.6685 -0.0058,1.4725 -0.3508,2.629 -0.3391,1.1509 -0.9763,1.9577 -0.6373,0.8068 -1.5376,1.2299 -0.8945,0.4175 -2.0053,0.4175 -1.1985,0 -2.1164,-0.4457 -0.9179,-0.4513 -1.4791,-1.2243 -0.5554,-0.7786 -0.6723,-1.7489h2.4964q0.1462,0.6319 0.6139,0.9817 0.4677,0.3441 1.1576,0.3441 1.1693,0 1.7773,-0.9817 0.608,-0.9873 0.6139,-2.7024h-0.0818q-0.2689,0.5078 -0.725,0.8745 -0.456,0.3611 -1.0465,0.5585 -0.5846,0.1975 -1.2453,0.1975 -1.0582,0 -1.8942,-0.4795 -0.8302,-0.4795 -1.3096,-1.3202 -0.4794,-0.8463 -0.4736,-1.9295 -0.0058,-1.1735 0.5554,-2.0818 0.5613,-0.914 1.5668,-1.433 1.0114,-0.519 2.3503,-0.5134zM17.5278,7.9184q-0.5905,0 -1.0524,0.2708 -0.456,0.2708 -0.725,0.7334 -0.2631,0.4626 -0.2572,1.0381 -0.0058,0.5755 0.2514,1.0324 0.2631,0.457 0.7191,0.7278 0.456,0.2652 1.0407,0.2652 0.4385,0 0.8068,-0.158 0.3742,-0.158 0.6489,-0.4344 0.2806,-0.2821 0.4385,-0.6488 0.1579,-0.3724 0.1637,-0.7955 -0.0058,-0.5585 -0.2689,-1.0211 -0.2631,-0.4626 -0.725,-0.7334 -0.4619,-0.2764 -1.0407,-0.2764z"
+      android:strokeWidth="0.404319"/>
+</vector>

app/src/main/res/layout/fragment_artist_detail.xml

@@ -4,10 +4,13 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <data>
-
         <variable
             name="artist"
             type="org.oxycblt.auxio.music.models.Artist" />
+
+        <variable
+            name="detailModel"
+            type="org.oxycblt.auxio.detail.DetailViewModel" />
     </data>
 
     <LinearLayout
@@ -92,7 +95,7 @@
                 <TextView
                     android:id="@+id/header_title"
                     android:layout_width="match_parent"
-                    android:layout_height="match_parent"
+                    android:layout_height="0dp"
                     android:layout_marginTop="@dimen/margin_medium"
                     android:background="@drawable/header_dividers"
                     android:fontFamily="@font/inter_bold"
@@ -106,7 +109,6 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@+id/artist_counts" />
 
-                <!--
                 <ImageButton
                     android:id="@+id/sort_button"
                     android:layout_width="wrap_content"
@@ -118,10 +120,11 @@
                     android:paddingTop="@dimen/padding_small"
                     android:paddingEnd="@dimen/margin_medium"
                     android:paddingBottom="@dimen/padding_small"
+                    android:onClick="@{() -> detailModel.incrementArtistSortMode()}"
+                    tools:src="@drawable/ic_sort_numeric_down"
                     app:layout_constraintBottom_toTopOf="@+id/album_recycler"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintTop_toBottomOf="@+id/artist_counts" />
-                    -->
 
                 <androidx.recyclerview.widget.RecyclerView
                     android:id="@+id/album_recycler"