Code refactor

app/src/main/java/code/name/monkey/retromusic/Constants.kt

@@ -31,7 +31,7 @@ object Constants {
     const val APP_TWITTER_LINK = "https://twitter.com/retromusicapp"
     const val FAQ_LINK = "https://github.com/h4h13/RetroMusicPlayer/blob/master/FAQ.md"
     const val PINTEREST = "https://in.pinterest.com/retromusicapp/"
-    const val BASE_URL = "https://ws.audioscrobbler.com/2.0/"
+    const val AUDIO_SCROBBLER_URL = "https://ws.audioscrobbler.com/2.0/"
 
     const val IS_MUSIC =
         MediaStore.Audio.AudioColumns.IS_MUSIC + "=1" + " AND " + MediaStore.Audio.AudioColumns.TITLE + " != ''"
@@ -70,8 +70,8 @@ const val NOW_PLAYING_SCREEN_ID = "now_playing_screen_id"
 const val CAROUSEL_EFFECT = "carousel_effect"
 const val COLORED_NOTIFICATION = "colored_notification"
 const val CLASSIC_NOTIFICATION = "classic_notification"
-const val GAPLESS_PLAYBACK = "gapless_playback"
+const val GAP_LESS_PLAYBACK = "gap_less_playback"
-const val ALBUM_ART_ON_LOCKSCREEN = "album_art_on_lockscreen"
+const val ALBUM_ART_ON_LOCK_SCREEN = "album_art_on_lock_screen"
 const val BLURRED_ALBUM_ART = "blurred_album_art"
 const val NEW_BLUR_AMOUNT = "new_blur_amount"
 const val TOGGLE_HEADSET = "toggle_headset"
@@ -92,7 +92,6 @@ const val ALBUM_COVER_STYLE = "album_cover_style_id"
 const val ALBUM_COVER_TRANSFORM = "album_cover_transform"
 const val TAB_TEXT_MODE = "tab_text_mode"
 const val LANGUAGE_NAME = "language_name"
-const val DIALOG_CORNER = "dialog_corner"
 const val SLEEP_TIMER_FINISH_SONG = "sleep_timer_finish_song"
 const val ALBUM_GRID_STYLE = "album_grid_style_home"
 const val ARTIST_GRID_STYLE = "artist_grid_style_home"

app/src/main/java/code/name/monkey/retromusic/MainModule.kt

@@ -13,7 +13,6 @@ import code.name.monkey.retromusic.fragments.artists.ArtistDetailsViewModel
 import code.name.monkey.retromusic.fragments.genres.GenreDetailsViewModel
 import code.name.monkey.retromusic.fragments.playlists.PlaylistDetailsViewModel
 import code.name.monkey.retromusic.fragments.search.SearchViewModel
-import code.name.monkey.retromusic.fragments.songs.SongsViewModel
 import code.name.monkey.retromusic.model.Genre
 import code.name.monkey.retromusic.network.networkModule
 import code.name.monkey.retromusic.repository.*
@@ -152,10 +151,6 @@ private val viewModules = module {
     viewModel {
         SearchViewModel(get())
     }
-
-    viewModel {
-        SongsViewModel(get())
-    }
 }
 
 val appModules = listOf(mainModule, dataModule, viewModules, networkModule, roomModule)

app/src/main/java/code/name/monkey/retromusic/dialogs/AddToRetroPlaylist.kt

@@ -51,7 +51,8 @@ class AddToRetroPlaylist : BottomSheetDialogFragment() {
         return materialDialog(R.string.add_playlist_title)
             .setItems(playlistNames.toTypedArray()) { _, which ->
                 if (which == 0) {
-                    CreateRetroPlaylist.create(songs).show(requireActivity().supportFragmentManager, "Dialog")
+                    CreateRetroPlaylist.create(songs)
+                        .show(requireActivity().supportFragmentManager, "Dialog")
                 } else {
                     lifecycleScope.launch(Dispatchers.IO) {
                         val songEntities = songs.toSongEntity(playlistEntities[which - 1])

app/src/main/java/code/name/monkey/retromusic/fragments/LibraryViewModel.kt

@@ -12,9 +12,7 @@ import code.name.monkey.retromusic.helper.MusicPlayerRemote
 import code.name.monkey.retromusic.interfaces.MusicServiceEventListener
 import code.name.monkey.retromusic.model.*
 import code.name.monkey.retromusic.repository.RealRepository
-import kotlinx.coroutines.Deferred
 import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.async
 import kotlinx.coroutines.launch
 
 class LibraryViewModel(
@@ -25,75 +23,95 @@ class LibraryViewModel(
     private val albums = MutableLiveData<List<Album>>()
     private val songs = MutableLiveData<List<Song>>()
     private val artists = MutableLiveData<List<Artist>>()
-    private val playlists = MutableLiveData<List<Playlist>>()
+    private val playlists = MutableLiveData<List<PlaylistWithSongs>>()
-    private val roomPlaylists = MutableLiveData<List<PlaylistWithSongs>>()
     private val genres = MutableLiveData<List<Genre>>()
     private val home = MutableLiveData<List<Home>>()
 
     val paletteColorLiveData: LiveData<Int> = paletteColor
-    val homeLiveData: LiveData<List<Home>> = home
-    val albumsLiveData: LiveData<List<Album>> = albums
-    val songsLiveData: LiveData<List<Song>> = songs
-    val artistsLiveData: LiveData<List<Artist>> = artists
-    val playlisitsLiveData: LiveData<List<Playlist>> = playlists
-    val roomPlaylistsLiveData: LiveData<List<PlaylistWithSongs>> = roomPlaylists
-    val genresLiveData: LiveData<List<Genre>> = genres
 
-    init {
+    private fun loadLibraryContent() = viewModelScope.launch(IO) {
-        viewModelScope.launch {
+        fetchSongs()
-            loadLibraryContent()
+        fetchAlbums()
+        fetchArtists()
+        fetchGenres()
+        fetchHomeSections()
+        fetchPlaylists()
+    }
+
+    fun getSongs(): LiveData<List<Song>> {
+        fetchSongs()
+        return songs
+    }
+
+    fun getAlbums(): LiveData<List<Album>> {
+        fetchAlbums()
+        return albums
+    }
+
+    fun getArtists(): LiveData<List<Artist>> {
+        fetchArtists()
+        return artists
+    }
+
+    fun getPlaylists(): LiveData<List<PlaylistWithSongs>> {
+        fetchPlaylists()
+        return playlists
+    }
+
+    fun getGenre(): LiveData<List<Genre>> {
+        fetchGenres()
+        return genres
+    }
+
+    fun getHome(): LiveData<List<Home>> {
+        fetchHomeSections()
+        return home
+    }
+
+    private fun fetchSongs() {
+        viewModelScope.launch(IO) {
+            songs.postValue(repository.allSongs())
         }
     }
 
-    private fun loadLibraryContent() = viewModelScope.launch {
+    private fun fetchAlbums() {
-        home.value = loadHome.await()
+        viewModelScope.launch(IO) {
-        songs.value = loadSongs.await()
+            albums.postValue(repository.fetchAlbums())
-        albums.value = loadAlbums.await()
+        }
-        artists.value = loadArtists.await()
-        playlists.value = loadPlaylists.await()
-        roomPlaylists.value = loadPlaylistsWithSongs.await()
-        genres.value = loadGenres.await()
     }
 
-    private val loadHome: Deferred<List<Home>>
+    private fun fetchArtists() {
-        get() = viewModelScope.async { repository.homeSections() }
+        viewModelScope.launch(IO) {
-
+            artists.postValue(repository.fetchArtists())
-    private val loadSongs: Deferred<List<Song>>
+        }
-        get() = viewModelScope.async(IO) { repository.allSongs() }
-
-    private val loadAlbums: Deferred<List<Album>>
-        get() = viewModelScope.async(IO) {
-            repository.allAlbums()
     }
 
-    private val loadArtists: Deferred<List<Artist>>
+    private fun fetchPlaylists() {
-        get() = viewModelScope.async(IO) {
+        viewModelScope.launch(IO) {
-            repository.albumArtists()
+            playlists.postValue(repository.fetchPlaylistWithSongs())
+        }
     }
 
-    private val loadPlaylists: Deferred<List<Playlist>>
+    private fun fetchGenres() {
-        get() = viewModelScope.async(IO) {
+        viewModelScope.launch(IO) {
-            repository.allPlaylists()
+            genres.postValue(repository.fetchGenres())
         }
-    private val loadPlaylistsWithSongs: Deferred<List<PlaylistWithSongs>>
-        get() = viewModelScope.async(IO) {
-            repository.playlistWithSongs()
     }
 
-    private val loadGenres: Deferred<List<Genre>>
+    private fun fetchHomeSections() {
-        get() = viewModelScope.async(IO) {
+        viewModelScope.launch(IO) {
-            repository.allGenres()
+            home.postValue(repository.homeSections())
+        }
     }
-
 
     fun forceReload(reloadType: ReloadType) = viewModelScope.launch {
         when (reloadType) {
-            Songs -> songs.value = loadSongs.await()
+            Songs -> fetchSongs()
-            Albums -> albums.value = loadAlbums.await()
+            Albums -> fetchAlbums()
-            Artists -> artists.value = loadArtists.await()
+            Artists -> fetchArtists()
-            HomeSections -> home.value = loadHome.await()
+            HomeSections -> fetchHomeSections()
-            Playlists -> roomPlaylists.value = loadPlaylistsWithSongs.await()
+            Playlists -> fetchPlaylists()
-            Genres -> genres.value = loadGenres.await()
+            Genres -> fetchGenres()
         }
     }
 

app/src/main/java/code/name/monkey/retromusic/fragments/NowPlayingScreen.kt

@@ -24,7 +24,6 @@ enum class NowPlayingScreen constructor(
     Gradient(R.string.gradient, R.drawable.np_gradient, 17),
     Material(R.string.material, R.drawable.np_material, 11),
     Normal(R.string.normal, R.drawable.np_normal, 0),
-
     //Peak(R.string.peak, R.drawable.np_peak, 14),
     Plain(R.string.plain, R.drawable.np_plain, 3),
     Simple(R.string.simple, R.drawable.np_simple, 8),

app/src/main/java/code/name/monkey/retromusic/fragments/albums/AlbumDetailsFragment.kt

@@ -287,7 +287,7 @@ class AlbumDetailsFragment : AbsMainActivityFragment(R.layout.fragment_album_det
             }
             R.id.action_add_to_playlist -> {
                 lifecycleScope.launch(Dispatchers.IO) {
-                    val playlists = get<RealRepository>().roomPlaylists()
+                    val playlists = get<RealRepository>().fetchPlaylists()
                     withContext(Dispatchers.Main) {
                         AddToRetroPlaylist.create(playlists, songs)
                             .show(childFragmentManager, "ADD_PLAYLIST")

app/src/main/java/code/name/monkey/retromusic/fragments/albums/AlbumsFragment.kt

@@ -23,7 +23,7 @@ class AlbumsFragment : AbsRecyclerViewCustomGridSizeFragment<AlbumAdapter, GridL
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        libraryViewModel.albumsLiveData.observe(viewLifecycleOwner, Observer {
+        libraryViewModel.getAlbums().observe(viewLifecycleOwner, Observer {
             if (it.isNotEmpty())
                 adapter?.swapDataSet(it)
             else

app/src/main/java/code/name/monkey/retromusic/fragments/artists/ArtistDetailsFragment.kt

@@ -227,7 +227,7 @@ class ArtistDetailsFragment : AbsMainActivityFragment(R.layout.fragment_artist_d
             }
             R.id.action_add_to_playlist -> {
                 lifecycleScope.launch(Dispatchers.IO) {
-                    val playlists = get<RealRepository>().roomPlaylists()
+                    val playlists = get<RealRepository>().fetchPlaylists()
                     withContext(Dispatchers.Main) {
                         AddToRetroPlaylist.create(playlists, songs)
                             .show(childFragmentManager, "ADD_PLAYLIST")

app/src/main/java/code/name/monkey/retromusic/fragments/artists/ArtistsFragment.kt

@@ -22,7 +22,7 @@ class ArtistsFragment : AbsRecyclerViewCustomGridSizeFragment<ArtistAdapter, Gri
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        libraryViewModel.artistsLiveData.observe(viewLifecycleOwner, Observer {
+        libraryViewModel.getArtists().observe(viewLifecycleOwner, Observer {
             if (it.isNotEmpty())
                 adapter?.swapDataSet(it)
             else

app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsPlayerFragment.kt

@@ -72,7 +72,7 @@ abstract class AbsPlayerFragment(@LayoutRes layout: Int) : AbsMainActivityFragme
             }
             R.id.action_add_to_playlist -> {
                 lifecycleScope.launch(IO) {
-                    val playlists = get<RealRepository>().roomPlaylists()
+                    val playlists = get<RealRepository>().fetchPlaylists()
                     withContext(Main) {
                         AddToRetroPlaylist.create(playlists, song)
                             .show(childFragmentManager, "ADD_PLAYLIST")

app/src/main/java/code/name/monkey/retromusic/fragments/genres/GenresFragment.kt

@@ -26,7 +26,7 @@ class GenresFragment : AbsRecyclerViewFragment<GenreAdapter, LinearLayoutManager
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        libraryViewModel.genresLiveData.observe(viewLifecycleOwner, Observer {
+        libraryViewModel.getGenre().observe(viewLifecycleOwner, Observer {
             if (it.isNotEmpty())
                 adapter?.swapDataSet(it)
             else

app/src/main/java/code/name/monkey/retromusic/fragments/home/HomeFragment.kt

@@ -96,7 +96,7 @@ class HomeFragment :
             adapter = homeAdapter
         }
 
-        libraryViewModel.homeLiveData.observe(viewLifecycleOwner, Observer {
+        libraryViewModel.getHome().observe(viewLifecycleOwner, Observer {
             homeAdapter.swapData(it)
         })
 

app/src/main/java/code/name/monkey/retromusic/fragments/playlists/PlaylistsFragment.kt

@@ -12,7 +12,7 @@ class PlaylistsFragment : AbsRecyclerViewFragment<PlaylistAdapter, GridLayoutMan
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        libraryViewModel.roomPlaylistsLiveData.observe(viewLifecycleOwner, Observer {
+        libraryViewModel.getPlaylists().observe(viewLifecycleOwner, Observer {
             if (it.isNotEmpty())
                 adapter?.swapDataSet(it)
             else

app/src/main/java/code/name/monkey/retromusic/fragments/songs/SongsFragment.kt

@@ -16,9 +16,11 @@ import code.name.monkey.retromusic.util.RetroUtil
 
 class SongsFragment : AbsRecyclerViewCustomGridSizeFragment<SongAdapter, GridLayoutManager>() {
 
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        libraryViewModel.songsLiveData.observe(viewLifecycleOwner, Observer {
+        libraryViewModel.getSongs().observe(viewLifecycleOwner, Observer {
+            println(Thread.currentThread().name)
             if (it.isNotEmpty())
                 adapter?.swapDataSet(it)
             else

app/src/main/java/code/name/monkey/retromusic/fragments/songs/SongsViewModel.kt

@@ -1,31 +0,0 @@
-package code.name.monkey.retromusic.fragments.songs
-
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
-import androidx.lifecycle.viewModelScope
-import code.name.monkey.retromusic.model.Song
-import code.name.monkey.retromusic.repository.SongRepository
-import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.launch
-
-class SongsViewModel(
-    private val songRepository: SongRepository
-) : ViewModel() {
-    init {
-        update()
-    }
-
-    private val songsData = MutableLiveData<List<Song>>().apply { value = mutableListOf() }
-
-    fun getSongList(): LiveData<List<Song>> {
-        return songsData
-    }
-
-    fun update() {
-        viewModelScope.launch(IO) {
-            val songs = songRepository.songs()
-            songsData.postValue(songs)
-        }
-    }
-}

app/src/main/java/code/name/monkey/retromusic/helper/menu/GenreMenuHelper.kt

@@ -45,7 +45,7 @@ object GenreMenuHelper : KoinComponent {
             }
             R.id.action_add_to_playlist -> {
                 CoroutineScope(Dispatchers.IO).launch {
-                    val playlists = get<RealRepository>().roomPlaylists()
+                    val playlists = get<RealRepository>().fetchPlaylists()
                     withContext(Dispatchers.Main) {
                         AddToRetroPlaylist.create(playlists, getGenreSongs(genre))
                             .show(activity.supportFragmentManager, "ADD_PLAYLIST")

app/src/main/java/code/name/monkey/retromusic/helper/menu/PlaylistMenuHelper.kt

@@ -58,7 +58,7 @@ object PlaylistMenuHelper : KoinComponent {
             }
             R.id.action_add_to_playlist -> {
                 CoroutineScope(Dispatchers.IO).launch {
-                    val playlists = get<RealRepository>().roomPlaylists()
+                    val playlists = get<RealRepository>().fetchPlaylists()
                     withContext(Dispatchers.Main) {
                         AddToRetroPlaylist.create(playlists, playlistWithSongs.songs.toSongs())
                             .show(activity.supportFragmentManager, "ADD_PLAYLIST")

app/src/main/java/code/name/monkey/retromusic/helper/menu/SongMenuHelper.kt

@@ -71,7 +71,7 @@ object SongMenuHelper : KoinComponent {
             }
             R.id.action_add_to_playlist -> {
                 CoroutineScope(Dispatchers.IO).launch {
-                    val playlists = get<RealRepository>().roomPlaylists()
+                    val playlists = get<RealRepository>().fetchPlaylists()
                     withContext(Dispatchers.Main) {
                         AddToRetroPlaylist.create(playlists, song)
                             .show(activity.supportFragmentManager, "ADD_PLAYLIST")

app/src/main/java/code/name/monkey/retromusic/helper/menu/SongsMenuHelper.kt

@@ -45,7 +45,7 @@ object SongsMenuHelper : KoinComponent {
             }
             R.id.action_add_to_playlist -> {
                 CoroutineScope(Dispatchers.IO).launch {
-                    val playlists = get<RealRepository>().roomPlaylists()
+                    val playlists = get<RealRepository>().fetchPlaylists()
                     withContext(Dispatchers.Main) {
                         AddToRetroPlaylist.create(playlists, songs)
                             .show(activity.supportFragmentManager, "ADD_PLAYLIST")

app/src/main/java/code/name/monkey/retromusic/network/RetrofitClient.kt

@@ -1,7 +1,7 @@
 package code.name.monkey.retromusic.network
 
 import code.name.monkey.retromusic.App
-import code.name.monkey.retromusic.Constants.BASE_URL
+import code.name.monkey.retromusic.Constants.AUDIO_SCROBBLER_URL
 import com.google.gson.Gson
 import okhttp3.Cache
 import okhttp3.ConnectionPool
@@ -37,7 +37,7 @@ fun provideLastFmService(retrofit: Retrofit): LastFMService =
     retrofit.create(LastFMService::class.java)
 
 fun providerRetrofit(okHttpClient: OkHttpClient.Builder): Retrofit = Retrofit.Builder()
-    .baseUrl(BASE_URL)
+    .baseUrl(AUDIO_SCROBBLER_URL)
     .callFactory(okHttpClient.build())
     .addConverterFactory(GsonConverterFactory.create(Gson()))
     .build()

app/src/main/java/code/name/monkey/retromusic/repository/Repository.kt

@@ -37,14 +37,14 @@ interface Repository {
     fun genresFlow(): Flow<Result<List<Genre>>>
     fun historySong(): LiveData<List<HistoryEntity>>
     fun favorites(): LiveData<List<SongEntity>>
-    suspend fun allAlbums(): List<Album>
+    suspend fun fetchAlbums(): List<Album>
     suspend fun albumByIdAsync(albumId: Int): Album
     fun albumById(albumId: Int): Album
     suspend fun allSongs(): List<Song>
-    suspend fun allArtists(): List<Artist>
+    suspend fun fetchArtists(): List<Artist>
     suspend fun albumArtists(): List<Artist>
     suspend fun allPlaylists(): List<Playlist>
-    suspend fun allGenres(): List<Genre>
+    suspend fun fetchGenres(): List<Genre>
     suspend fun search(query: String?): MutableList<Any>
     suspend fun getPlaylistSongs(playlist: Playlist): List<Song>
     suspend fun getGenre(genreId: Int): List<Song>
@@ -66,12 +66,12 @@ interface Repository {
     suspend fun homeSections(): List<Home>
     suspend fun homeSectionsFlow(): Flow<Result<List<Home>>>
     suspend fun playlist(playlistId: Int): Playlist
-    suspend fun playlistWithSongs(): List<PlaylistWithSongs>
+    suspend fun fetchPlaylistWithSongs(): List<PlaylistWithSongs>
     suspend fun playlistSongs(playlistWithSongs: PlaylistWithSongs): List<Song>
     suspend fun insertSongs(songs: List<SongEntity>)
     suspend fun checkPlaylistExists(playlistName: String): List<PlaylistEntity>
     suspend fun createPlaylist(playlistEntity: PlaylistEntity): Long
-    suspend fun roomPlaylists(): List<PlaylistEntity>
+    suspend fun fetchPlaylists(): List<PlaylistEntity>
     suspend fun deleteRoomPlaylist(playlists: List<PlaylistEntity>)
     suspend fun renameRoomPlaylist(playlistId: Int, name: String)
     suspend fun deleteSongsInPlaylist(songs: List<SongEntity>)
@@ -107,11 +107,11 @@ class RealRepository(
     private val roomRepository: RoomRepository
 ) : Repository {
 
-    override suspend fun allAlbums(): List<Album> = albumRepository.albums()
+    override suspend fun fetchAlbums(): List<Album> = albumRepository.albums()
 
     override suspend fun albumByIdAsync(albumId: Int): Album = albumRepository.album(albumId)
     override fun albumById(albumId: Int): Album = albumRepository.album(albumId)
-    override suspend fun allArtists(): List<Artist> = artistRepository.artists()
+    override suspend fun fetchArtists(): List<Artist> = artistRepository.artists()
 
     override suspend fun albumArtists(): List<Artist> = artistRepository.albumArtists()
 
@@ -127,7 +127,7 @@ class RealRepository(
 
     override suspend fun allPlaylists(): List<Playlist> = playlistRepository.playlists()
 
-    override suspend fun allGenres(): List<Genre> = genreRepository.genres()
+    override suspend fun fetchGenres(): List<Genre> = genreRepository.genres()
 
     override suspend fun allSongs(): List<Song> = songRepository.songs()
 
@@ -205,7 +205,7 @@ class RealRepository(
     override suspend fun playlist(playlistId: Int) =
         playlistRepository.playlist(playlistId)
 
-    override suspend fun playlistWithSongs(): List<PlaylistWithSongs> =
+    override suspend fun fetchPlaylistWithSongs(): List<PlaylistWithSongs> =
         roomRepository.playlistWithSongs()
 
     override suspend fun playlistSongs(playlistWithSongs: PlaylistWithSongs): List<Song> =
@@ -222,7 +222,7 @@ class RealRepository(
     override suspend fun createPlaylist(playlistEntity: PlaylistEntity): Long =
         roomRepository.createPlaylist(playlistEntity)
 
-    override suspend fun roomPlaylists(): List<PlaylistEntity> = roomRepository.playlists()
+    override suspend fun fetchPlaylists(): List<PlaylistEntity> = roomRepository.playlists()
 
     override suspend fun deleteRoomPlaylist(playlists: List<PlaylistEntity>) =
         roomRepository.deletePlaylistEntities(playlists)

app/src/main/java/code/name/monkey/retromusic/service/MusicService.java

@@ -84,11 +84,11 @@ import code.name.monkey.retromusic.util.MusicUtil;
 import code.name.monkey.retromusic.util.PreferenceUtil;
 import code.name.monkey.retromusic.util.RetroUtil;
 
-import static code.name.monkey.retromusic.ConstantsKt.ALBUM_ART_ON_LOCKSCREEN;
+import static code.name.monkey.retromusic.ConstantsKt.ALBUM_ART_ON_LOCK_SCREEN;
 import static code.name.monkey.retromusic.ConstantsKt.BLURRED_ALBUM_ART;
 import static code.name.monkey.retromusic.ConstantsKt.CLASSIC_NOTIFICATION;
 import static code.name.monkey.retromusic.ConstantsKt.COLORED_NOTIFICATION;
-import static code.name.monkey.retromusic.ConstantsKt.GAPLESS_PLAYBACK;
+import static code.name.monkey.retromusic.ConstantsKt.GAP_LESS_PLAYBACK;
 import static code.name.monkey.retromusic.ConstantsKt.TOGGLE_HEADSET;
 
 /**
@@ -727,7 +727,7 @@ public class MusicService extends Service implements
     @Override
     public void onSharedPreferenceChanged(@NonNull SharedPreferences sharedPreferences, @NonNull String key) {
         switch (key) {
-            case GAPLESS_PLAYBACK:
+            case GAP_LESS_PLAYBACK:
                 if (sharedPreferences.getBoolean(key, false)) {
                     prepareNext();
                 } else {
@@ -736,7 +736,7 @@ public class MusicService extends Service implements
                     }
                 }
                 break;
-            case ALBUM_ART_ON_LOCKSCREEN:
+            case ALBUM_ART_ON_LOCK_SCREEN:
             case BLURRED_ALBUM_ART:
                 updateMediaSessionMetaData();
                 break;

app/src/main/java/code/name/monkey/retromusic/util/PreferenceUtil.kt

@@ -243,7 +243,7 @@ object PreferenceUtil {
 
     val isAlbumArtOnLockScreen
         get() = sharedPreferences.getBoolean(
-            ALBUM_ART_ON_LOCKSCREEN, false
+            ALBUM_ART_ON_LOCK_SCREEN, false
         )
 
     val isAudioDucking
@@ -292,7 +292,7 @@ object PreferenceUtil {
 
     val isGapLessPlayback
         get() = sharedPreferences.getBoolean(
-            GAPLESS_PLAYBACK, false
+            GAP_LESS_PLAYBACK, false
         )
 
     val isAdaptiveColor
@@ -471,7 +471,7 @@ object PreferenceUtil {
 
     var artistGridSizeLand
         get() = sharedPreferences.getInt(
-            ALBUM_GRID_SIZE_LAND,
+            ARTIST_GRID_SIZE_LAND,
             App.getContext().getIntRes(R.integer.default_grid_columns_land)
         )
         set(value) = sharedPreferences.edit {

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

@@ -6,7 +6,6 @@
     android:orientation="vertical"
     android:paddingBottom="12dp">
 
-
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/history"
         android:layout_width="0dp"