From cf63097e3415b9dc8161e3f5e875657bffd8b906 Mon Sep 17 00:00:00 2001
From: CappielloAntonio <antoniocappiello.play@gmail.com>
Date: Sun, 1 Aug 2021 11:26:06 +0200
Subject: [PATCH] Added html parser in every adapter

---
 .../com/cappielloantonio/play/adapter/AlbumAdapter.java     | 5 +++--
 .../play/adapter/AlbumArtistPageOrSimilarAdapter.java       | 5 +++--
 .../play/adapter/AlbumCatalogueAdapter.java                 | 5 +++--
 .../play/adapter/AlbumHorizontalAdapter.java                | 5 +++--
 .../com/cappielloantonio/play/adapter/ArtistAdapter.java    | 3 ++-
 .../play/adapter/ArtistCatalogueAdapter.java                | 3 ++-
 .../play/adapter/ArtistHorizontalAdapter.java               | 3 ++-
 .../cappielloantonio/play/adapter/ArtistSimilarAdapter.java | 3 ++-
 .../cappielloantonio/play/adapter/DiscoverSongAdapter.java  | 5 +++--
 .../com/cappielloantonio/play/adapter/GenreAdapter.java     | 3 ++-
 .../play/adapter/GenreCatalogueAdapter.java                 | 3 ++-
 .../play/adapter/PlayerSongQueueAdapter.java                | 5 +++--
 .../com/cappielloantonio/play/adapter/PlaylistAdapter.java  | 3 ++-
 .../play/adapter/PlaylistCatalogueAdapter.java              | 3 ++-
 .../cappielloantonio/play/adapter/RecentMusicAdapter.java   | 5 +++--
 .../play/adapter/SongHorizontalAdapter.java                 | 6 ++++--
 .../cappielloantonio/play/repository/SongRepository.java    | 4 ++--
 17 files changed, 43 insertions(+), 26 deletions(-)

diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/AlbumAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/AlbumAdapter.java
index 18de6c45..9c9c9e6f 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/AlbumAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/AlbumAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -43,8 +44,8 @@ public class AlbumAdapter extends RecyclerView.Adapter<AlbumAdapter.ViewHolder>
     public void onBindViewHolder(ViewHolder holder, int position) {
         Album album = albums.get(position);
 
-        holder.textAlbumName.setText(album.getTitle());
-        holder.textArtistName.setText(album.getArtistName());
+        holder.textAlbumName.setText(Html.fromHtml(album.getTitle(), Html.FROM_HTML_MODE_COMPACT));
+        holder.textArtistName.setText(Html.fromHtml(album.getArtistName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, album.getPrimary(), album.getBlurHash(), CustomGlideRequest.ALBUM_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/AlbumArtistPageOrSimilarAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/AlbumArtistPageOrSimilarAdapter.java
index f414b74b..7ada081c 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/AlbumArtistPageOrSimilarAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/AlbumArtistPageOrSimilarAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -42,8 +43,8 @@ public class AlbumArtistPageOrSimilarAdapter extends RecyclerView.Adapter<AlbumA
     public void onBindViewHolder(ViewHolder holder, int position) {
         Album album = albums.get(position);
 
-        holder.textAlbumName.setText(album.getTitle());
-        holder.textArtistName.setText(album.getArtistName());
+        holder.textAlbumName.setText(Html.fromHtml(album.getTitle(), Html.FROM_HTML_MODE_COMPACT));
+        holder.textArtistName.setText(Html.fromHtml(album.getArtistName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, album.getPrimary(), album.getBlurHash(), CustomGlideRequest.ALBUM_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/AlbumCatalogueAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/AlbumCatalogueAdapter.java
index 05c3bc2b..09927456 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/AlbumCatalogueAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/AlbumCatalogueAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -80,8 +81,8 @@ public class AlbumCatalogueAdapter extends RecyclerView.Adapter<AlbumCatalogueAd
     public void onBindViewHolder(ViewHolder holder, int position) {
         Album album = albums.get(position);
 
-        holder.textAlbumName.setText(album.getTitle());
-        holder.textArtistName.setText(album.getArtistName());
+        holder.textAlbumName.setText(Html.fromHtml(album.getTitle(), Html.FROM_HTML_MODE_COMPACT));
+        holder.textArtistName.setText(Html.fromHtml(album.getArtistName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, album.getPrimary(), album.getBlurHash(), CustomGlideRequest.ALBUM_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/AlbumHorizontalAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/AlbumHorizontalAdapter.java
index 17d99ce6..3cd323d4 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/AlbumHorizontalAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/AlbumHorizontalAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -53,8 +54,8 @@ public class AlbumHorizontalAdapter extends RecyclerView.Adapter<AlbumHorizontal
     public void onBindViewHolder(ViewHolder holder, int position) {
         Album album = albums.get(position);
 
-        holder.albumTitle.setText(album.getTitle());
-        holder.albumArtist.setText(album.getArtistName());
+        holder.albumTitle.setText(Html.fromHtml(album.getTitle(), Html.FROM_HTML_MODE_COMPACT));
+        holder.albumArtist.setText(Html.fromHtml(album.getArtistName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, album.getPrimary(), album.getBlurHash(), CustomGlideRequest.ALBUM_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/ArtistAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/ArtistAdapter.java
index a720a143..7ed41f42 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/ArtistAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/ArtistAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -43,7 +44,7 @@ public class ArtistAdapter extends RecyclerView.Adapter<ArtistAdapter.ViewHolder
     public void onBindViewHolder(ViewHolder holder, int position) {
         Artist artist = artists.get(position);
 
-        holder.textArtistName.setText(artist.getName());
+        holder.textArtistName.setText(Html.fromHtml(artist.getName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, artist.getPrimary(), artist.getPrimaryBlurHash(), CustomGlideRequest.ARTIST_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/ArtistCatalogueAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/ArtistCatalogueAdapter.java
index 62f751ab..65eaf2e2 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/ArtistCatalogueAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/ArtistCatalogueAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -80,7 +81,7 @@ public class ArtistCatalogueAdapter extends RecyclerView.Adapter<ArtistCatalogue
     public void onBindViewHolder(ViewHolder holder, int position) {
         Artist artist = artists.get(position);
 
-        holder.textArtistName.setText(artist.getName());
+        holder.textArtistName.setText(Html.fromHtml(artist.getName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, artist.getPrimary(), artist.getPrimaryBlurHash(), CustomGlideRequest.ARTIST_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/ArtistHorizontalAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/ArtistHorizontalAdapter.java
index f697932b..d6855ac2 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/ArtistHorizontalAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/ArtistHorizontalAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -53,7 +54,7 @@ public class ArtistHorizontalAdapter extends RecyclerView.Adapter<ArtistHorizont
     public void onBindViewHolder(ViewHolder holder, int position) {
         Artist artist = artists.get(position);
 
-        holder.artistName.setText(artist.getName());
+        holder.artistName.setText(Html.fromHtml(artist.getName(), Html.FROM_HTML_MODE_COMPACT));
         holder.artistInfo.setText("Album count: " + String.valueOf(artist.getAlbumCount()));
 
         CustomGlideRequest.Builder
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/ArtistSimilarAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/ArtistSimilarAdapter.java
index 37dc22ba..e158b709 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/ArtistSimilarAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/ArtistSimilarAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -43,7 +44,7 @@ public class ArtistSimilarAdapter extends RecyclerView.Adapter<ArtistSimilarAdap
     public void onBindViewHolder(ViewHolder holder, int position) {
         Artist artist = artists.get(position);
 
-        holder.textArtistName.setText(artist.getName());
+        holder.textArtistName.setText(Html.fromHtml(artist.getName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, artist.getPrimary(), artist.getPrimaryBlurHash(), CustomGlideRequest.ALBUM_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/DiscoverSongAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/DiscoverSongAdapter.java
index 83c21204..f6397e18 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/DiscoverSongAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/DiscoverSongAdapter.java
@@ -1,6 +1,7 @@
 package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
+import android.text.Html;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -50,8 +51,8 @@ public class DiscoverSongAdapter extends RecyclerView.Adapter<DiscoverSongAdapte
     public void onBindViewHolder(ViewHolder holder, int position) {
         Song song = songs.get(position);
 
-        holder.textTitle.setText(song.getTitle());
-        holder.textAlbum.setText(song.getAlbumName());
+        holder.textTitle.setText(Html.fromHtml(song.getTitle(), Html.FROM_HTML_MODE_COMPACT));
+        holder.textAlbum.setText(Html.fromHtml(song.getAlbumName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, song.getPrimary(), song.getBlurHash(), CustomGlideRequest.SONG_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/GenreAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/GenreAdapter.java
index 47f20ada..3f8411e1 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/GenreAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/GenreAdapter.java
@@ -1,6 +1,7 @@
 package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -38,7 +39,7 @@ public class GenreAdapter extends RecyclerView.Adapter<GenreAdapter.ViewHolder>
     public void onBindViewHolder(ViewHolder holder, int position) {
         Genre genre = genres.get(position);
 
-        holder.textGenre.setText(genre.getName());
+        holder.textGenre.setText(Html.fromHtml(genre.getName(), Html.FROM_HTML_MODE_COMPACT));
     }
 
     @Override
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/GenreCatalogueAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/GenreCatalogueAdapter.java
index 8aeff5ed..3c79b75c 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/GenreCatalogueAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/GenreCatalogueAdapter.java
@@ -1,6 +1,7 @@
 package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -75,7 +76,7 @@ public class GenreCatalogueAdapter extends RecyclerView.Adapter<GenreCatalogueAd
     public void onBindViewHolder(ViewHolder holder, int position) {
         Genre genre = genres.get(position);
 
-        holder.textGenre.setText(genre.getName());
+        holder.textGenre.setText(Html.fromHtml(genre.getName(), Html.FROM_HTML_MODE_COMPACT));
     }
 
     @Override
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/PlayerSongQueueAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/PlayerSongQueueAdapter.java
index 5ea7d73e..9be7d0e3 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/PlayerSongQueueAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/PlayerSongQueueAdapter.java
@@ -1,6 +1,7 @@
 package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -48,8 +49,8 @@ public class PlayerSongQueueAdapter extends RecyclerView.Adapter<PlayerSongQueue
     public void onBindViewHolder(ViewHolder holder, int position) {
         Song song = songs.get(position);
 
-        holder.songTitle.setText(song.getTitle());
-        holder.songArtist.setText(song.getArtistName());
+        holder.songTitle.setText(Html.fromHtml(song.getTitle(), Html.FROM_HTML_MODE_COMPACT));
+        holder.songArtist.setText(Html.fromHtml(song.getArtistName(), Html.FROM_HTML_MODE_COMPACT));
         holder.songDuration.setText(MusicUtil.getReadableDurationString(song.getDuration(), false));
 
         CustomGlideRequest.Builder
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/PlaylistAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/PlaylistAdapter.java
index e836066c..3e0ce89a 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/PlaylistAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/PlaylistAdapter.java
@@ -3,6 +3,7 @@ package com.cappielloantonio.play.adapter;
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -46,7 +47,7 @@ public class PlaylistAdapter extends RecyclerView.Adapter<PlaylistAdapter.ViewHo
     public void onBindViewHolder(ViewHolder holder, int position) {
         Playlist playlist = playlists.get(position);
 
-        holder.textPlaylistName.setText(playlist.getName());
+        holder.textPlaylistName.setText(Html.fromHtml(playlist.getName(), Html.FROM_HTML_MODE_COMPACT));
         holder.textPlaylistSongCount.setText("Song count: " + String.valueOf(playlist.getSongCount()));
 
         CustomGlideRequest.Builder
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/PlaylistCatalogueAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/PlaylistCatalogueAdapter.java
index 1337948d..159ac2b8 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/PlaylistCatalogueAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/PlaylistCatalogueAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -78,7 +79,7 @@ public class PlaylistCatalogueAdapter extends RecyclerView.Adapter<PlaylistCatal
     public void onBindViewHolder(ViewHolder holder, int position) {
         Playlist playlist = playlists.get(position);
 
-        holder.textPlaylistName.setText(playlist.getName());
+        holder.textPlaylistName.setText(Html.fromHtml(playlist.getName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, playlist.getPrimary(), playlist.getBlurHash(), CustomGlideRequest.PLAYLIST_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/RecentMusicAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/RecentMusicAdapter.java
index c4141407..cb2d68af 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/RecentMusicAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/RecentMusicAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -54,8 +55,8 @@ public class RecentMusicAdapter extends RecyclerView.Adapter<RecentMusicAdapter.
     public void onBindViewHolder(ViewHolder holder, int position) {
         Song song = songs.get(position);
 
-        holder.textTitle.setText(song.getTitle());
-        holder.textAlbum.setText(song.getAlbumName());
+        holder.textTitle.setText(Html.fromHtml(song.getTitle(), Html.FROM_HTML_MODE_COMPACT));
+        holder.textAlbum.setText(Html.fromHtml(song.getAlbumName(), Html.FROM_HTML_MODE_COMPACT));
 
         CustomGlideRequest.Builder
                 .from(context, song.getPrimary(), song.getBlurHash(), CustomGlideRequest.SONG_PIC)
diff --git a/app/src/main/java/com/cappielloantonio/play/adapter/SongHorizontalAdapter.java b/app/src/main/java/com/cappielloantonio/play/adapter/SongHorizontalAdapter.java
index 1c299c9f..26c2f3b4 100644
--- a/app/src/main/java/com/cappielloantonio/play/adapter/SongHorizontalAdapter.java
+++ b/app/src/main/java/com/cappielloantonio/play/adapter/SongHorizontalAdapter.java
@@ -2,6 +2,7 @@ package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
 import android.os.Bundle;
+import android.text.Html;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -26,6 +27,7 @@ import java.util.List;
 
 public class SongHorizontalAdapter extends RecyclerView.Adapter<SongHorizontalAdapter.ViewHolder> {
     private static final String TAG = "SongHorizontalAdapter";
+
     private List<Song> songs;
     private LayoutInflater mInflater;
     private MainActivity mainActivity;
@@ -50,8 +52,8 @@ public class SongHorizontalAdapter extends RecyclerView.Adapter<SongHorizontalAd
     public void onBindViewHolder(ViewHolder holder, int position) {
         Song song = songs.get(position);
 
-        holder.songTitle.setText(song.getTitle());
-        holder.songArtist.setText(song.getArtistName());
+        holder.songTitle.setText(Html.fromHtml(song.getTitle(), Html.FROM_HTML_MODE_COMPACT));
+        holder.songArtist.setText(Html.fromHtml(song.getArtistName(), Html.FROM_HTML_MODE_COMPACT));
         holder.songDuration.setText(MusicUtil.getReadableDurationString(song.getDuration(), false));
 
         if (song.isOffline()) {
diff --git a/app/src/main/java/com/cappielloantonio/play/repository/SongRepository.java b/app/src/main/java/com/cappielloantonio/play/repository/SongRepository.java
index 8d9396ea..7015c27b 100644
--- a/app/src/main/java/com/cappielloantonio/play/repository/SongRepository.java
+++ b/app/src/main/java/com/cappielloantonio/play/repository/SongRepository.java
@@ -172,7 +172,7 @@ public class SongRepository {
     }
 
     public MutableLiveData<List<Song>> getSongsByGenre(String id) {
-        MutableLiveData<List<Song>> songsByGenre = new MutableLiveData<>();
+        MutableLiveData<List<Song>> songsByGenre = new MutableLiveData<>(new ArrayList<>());
 
         App.getSubsonicClientInstance(application, false)
                 .getAlbumSongListClient()
@@ -204,7 +204,7 @@ public class SongRepository {
     }
 
     public MutableLiveData<List<Song>> getSongsByGenres(ArrayList<String> genresId) {
-        MutableLiveData<List<Song>> songsByGenre = new MutableLiveData<>();
+        MutableLiveData<List<Song>> songsByGenre = new MutableLiveData<>(new ArrayList<>());
 
         for(String id: genresId)