Adapters refactoring

app/build.gradle

@@ -54,6 +54,7 @@ dependencies {
     implementation "androidx.room:room-runtime:2.2.5"
     implementation "androidx.cardview:cardview:1.0.0"
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.paging:paging-runtime:2.1.2'
 
     // Android Material
     implementation 'com.google.android.material:material:1.2.1'

app/src/main/java/com/cappielloantonio/play/adapter/AlbumAdapter.java

@@ -16,21 +16,21 @@ import com.cappielloantonio.play.model.Album;
 import java.util.List;
 
 public class AlbumAdapter extends RecyclerView.Adapter<AlbumAdapter.ViewHolder> {
-    private static final String TAG = "RecentMusicAdapter";
+    private static final String TAG = "AlbumAdapter";
+
     private List<Album> albums;
-    private LayoutInflater mInflater;
+    private LayoutInflater inflater;
     private Context context;
     private ItemClickListener itemClickListener;
 
-    public AlbumAdapter(Context context, List<Album> albums) {
+    public AlbumAdapter(Context context) {
         this.context = context;
-        this.mInflater = LayoutInflater.from(context);
+        this.inflater = LayoutInflater.from(context);
-        this.albums = albums;
     }
 
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = mInflater.inflate(R.layout.item_library_album, parent, false);
+        View view = inflater.inflate(R.layout.item_library_album, parent, false);
         return new ViewHolder(view);
     }
 
@@ -69,7 +69,8 @@ public class AlbumAdapter extends RecyclerView.Adapter<AlbumAdapter.ViewHolder>
 
         @Override
         public void onClick(View view) {
-            if (itemClickListener != null) itemClickListener.onItemClick(view, getAdapterPosition());
+            if (itemClickListener != null)
+                itemClickListener.onItemClick(view, getAdapterPosition());
         }
     }
 

app/src/main/java/com/cappielloantonio/play/adapter/AlbumArtistPageAdapter.java

@@ -17,20 +17,20 @@ import java.util.List;
 
 public class AlbumArtistPageAdapter extends RecyclerView.Adapter<AlbumArtistPageAdapter.ViewHolder> {
     private static final String TAG = "AlbumArtistPageAdapter";
+
     private List<Album> albums;
-    private LayoutInflater mInflater;
+    private LayoutInflater inflater;
     private Context context;
     private ItemClickListener itemClickListener;
 
-    public AlbumArtistPageAdapter(Context context, List<Album> albums) {
+    public AlbumArtistPageAdapter(Context context) {
         this.context = context;
-        this.mInflater = LayoutInflater.from(context);
+        this.inflater = LayoutInflater.from(context);
-        this.albums = albums;
     }
 
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = mInflater.inflate(R.layout.item_artist_page_album, parent, false);
+        View view = inflater.inflate(R.layout.item_artist_page_album, parent, false);
         return new ViewHolder(view);
     }
 

app/src/main/java/com/cappielloantonio/play/adapter/AlbumCatalogueAdapter.java

@@ -16,21 +16,21 @@ import com.cappielloantonio.play.model.Album;
 import java.util.List;
 
 public class AlbumCatalogueAdapter extends RecyclerView.Adapter<AlbumCatalogueAdapter.ViewHolder> {
-    private static final String TAG = "AlbumAdapter";
+    private static final String TAG = "AlbumCatalogueAdapter";
+
     private List<Album> albums;
-    private LayoutInflater mInflater;
+    private LayoutInflater inflater;
     private Context context;
     private ItemClickListener itemClickListener;
 
-    public AlbumCatalogueAdapter(Context context, List<Album> albums) {
+    public AlbumCatalogueAdapter(Context context) {
         this.context = context;
-        this.mInflater = LayoutInflater.from(context);
+        this.inflater = LayoutInflater.from(context);
-        this.albums = albums;
     }
 
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = mInflater.inflate(R.layout.item_library_catalogue_album, parent, false);
+        View view = inflater.inflate(R.layout.item_library_catalogue_album, parent, false);
         return new ViewHolder(view);
     }
 
@@ -70,7 +70,8 @@ public class AlbumCatalogueAdapter extends RecyclerView.Adapter<AlbumCatalogueAd
 
         @Override
         public void onClick(View view) {
-            if (itemClickListener != null) itemClickListener.onItemClick(view, getAdapterPosition());
+            if (itemClickListener != null)
+                itemClickListener.onItemClick(view, getAdapterPosition());
         }
     }
 

app/src/main/java/com/cappielloantonio/play/adapter/ArtistAdapter.java

@@ -17,20 +17,20 @@ import java.util.List;
 
 public class ArtistAdapter extends RecyclerView.Adapter<ArtistAdapter.ViewHolder> {
     private static final String TAG = "ArtistAdapter";
+
     private List<Artist> artists;
-    private LayoutInflater mInflater;
+    private LayoutInflater inflater;
     private Context context;
     private ItemClickListener itemClickListener;
 
-    public ArtistAdapter(Context context, List<Artist> artists) {
+    public ArtistAdapter(Context context) {
         this.context = context;
-        this.mInflater = LayoutInflater.from(context);
+        this.inflater = LayoutInflater.from(context);
-        this.artists = artists;
     }
 
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = mInflater.inflate(R.layout.item_library_artist, parent, false);
+        View view = inflater.inflate(R.layout.item_library_artist, parent, false);
         return new ViewHolder(view);
     }
 

app/src/main/java/com/cappielloantonio/play/adapter/ArtistCatalogueAdapter.java

@@ -16,21 +16,21 @@ import com.cappielloantonio.play.model.Artist;
 import java.util.List;
 
 public class ArtistCatalogueAdapter extends RecyclerView.Adapter<ArtistCatalogueAdapter.ViewHolder> {
-    private static final String TAG = "ArtistAdapter";
+    private static final String TAG = "ArtistCatalogueAdapter";
+
     private List<Artist> artists;
-    private LayoutInflater mInflater;
+    private LayoutInflater inflater;
     private Context context;
     private ItemClickListener itemClickListener;
 
-    public ArtistCatalogueAdapter(Context context, List<Artist> artists) {
+    public ArtistCatalogueAdapter(Context context) {
         this.context = context;
-        this.mInflater = LayoutInflater.from(context);
+        this.inflater = LayoutInflater.from(context);
-        this.artists = artists;
     }
 
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = mInflater.inflate(R.layout.item_library_catalogue_artist, parent, false);
+        View view = inflater.inflate(R.layout.item_library_catalogue_artist, parent, false);
         return new ViewHolder(view);
     }
 

app/src/main/java/com/cappielloantonio/play/adapter/DiscoverSongAdapter.java

@@ -21,18 +21,18 @@ public class DiscoverSongAdapter extends RecyclerView.Adapter<DiscoverSongAdapte
     private static final String TAG = "DiscoverSongAdapter";
 
     private List<Song> songs;
-    private LayoutInflater layoutInflater;
+    private LayoutInflater inflater;
     private Context context;
 
     public DiscoverSongAdapter(Context context, List<Song> songs) {
         this.context = context;
-        this.layoutInflater = LayoutInflater.from(context);
+        this.inflater = LayoutInflater.from(context);
         this.songs = songs;
     }
 
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = layoutInflater.inflate(R.layout.item_home_discover_song, parent, false);
+        View view = inflater.inflate(R.layout.item_home_discover_song, parent, false);
         return new ViewHolder(view);
     }
 

app/src/main/java/com/cappielloantonio/play/adapter/GenreAdapter.java

@@ -15,18 +15,17 @@ import java.util.List;
 
 public class GenreAdapter extends RecyclerView.Adapter<GenreAdapter.ViewHolder> {
     private static final String TAG = "GenreAdapter";
+
     private List<Genre> genres;
     private LayoutInflater mInflater;
     private Context context;
     private ItemClickListener itemClickListener;
 
-    public GenreAdapter(Context context, List<Genre> genres) {
+    public GenreAdapter(Context context) {
         this.context = context;
         this.mInflater = LayoutInflater.from(context);
-        this.genres = genres;
     }
 
-    // inflates the row layout from xml when needed
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
         View view = mInflater.inflate(R.layout.item_library_genre, parent, false);
@@ -58,7 +57,8 @@ public class GenreAdapter extends RecyclerView.Adapter<GenreAdapter.ViewHolder>
 
         @Override
         public void onClick(View view) {
-            if (itemClickListener != null) itemClickListener.onItemClick(view, getAdapterPosition());
+            if (itemClickListener != null)
+                itemClickListener.onItemClick(view, getAdapterPosition());
         }
     }
 

app/src/main/java/com/cappielloantonio/play/adapter/GenreCatalogueAdapter.java

@@ -1,7 +1,6 @@
 package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
-import android.os.Parcelable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -15,16 +14,16 @@ import com.cappielloantonio.play.model.Genre;
 import java.util.List;
 
 public class GenreCatalogueAdapter extends RecyclerView.Adapter<GenreCatalogueAdapter.ViewHolder> {
-    private static final String TAG = "GenreAdapter";
+    private static final String TAG = "GenreCatalogueAdapter";
+
     private List<Genre> genres;
     private LayoutInflater mInflater;
     private Context context;
     private ItemClickListener itemClickListener;
 
-    public GenreCatalogueAdapter(Context context, List<Genre> genres) {
+    public GenreCatalogueAdapter(Context context) {
         this.context = context;
         this.mInflater = LayoutInflater.from(context);
-        this.genres = genres;
     }
 
     // inflates the row layout from xml when needed

app/src/main/java/com/cappielloantonio/play/adapter/PlaylistAdapter.java

@@ -9,22 +9,21 @@ import android.widget.TextView;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.cappielloantonio.play.R;
-import com.cappielloantonio.play.model.Artist;
 import com.cappielloantonio.play.model.Playlist;
 
 import java.util.List;
 
 public class PlaylistAdapter extends RecyclerView.Adapter<PlaylistAdapter.ViewHolder> {
     private static final String TAG = "PlaylistAdapter";
+
     private List<Playlist> playlists;
     private LayoutInflater mInflater;
     private Context context;
     private ItemClickListener itemClickListener;
 
-    public PlaylistAdapter(Context context, List<Playlist> playlists) {
+    public PlaylistAdapter(Context context) {
         this.context = context;
         this.mInflater = LayoutInflater.from(context);
-        this.playlists = playlists;
     }
 
     @Override
@@ -58,7 +57,8 @@ public class PlaylistAdapter extends RecyclerView.Adapter<PlaylistAdapter.ViewHo
 
         @Override
         public void onClick(View view) {
-            if (itemClickListener != null) itemClickListener.onItemClick(view, getAdapterPosition());
+            if (itemClickListener != null)
+                itemClickListener.onItemClick(view, getAdapterPosition());
         }
     }
 

app/src/main/java/com/cappielloantonio/play/adapter/RecentMusicAdapter.java

@@ -22,14 +22,14 @@ import java.util.List;
  */
 public class RecentMusicAdapter extends RecyclerView.Adapter<RecentMusicAdapter.ViewHolder> {
     private static final String TAG = "RecentMusicAdapter";
+
     private List<Song> songs;
     private LayoutInflater mInflater;
     private Context context;
 
-    public RecentMusicAdapter(Context context, List<Song> songs) {
+    public RecentMusicAdapter(Context context) {
         this.context = context;
         this.mInflater = LayoutInflater.from(context);
-        this.songs = songs;
     }
 
     @Override
@@ -46,7 +46,7 @@ public class RecentMusicAdapter extends RecyclerView.Adapter<RecentMusicAdapter.
         holder.textAlbum.setText(song.getAlbumName());
 
         CustomGlideRequest.Builder
-                .from(context, song.getPrimary(), song.getPrimary(), CustomGlideRequest.PRIMARY, CustomGlideRequest.TOP_QUALITY)
+                .from(context, song.getPrimary(), song.getBlurHash(), CustomGlideRequest.PRIMARY, CustomGlideRequest.TOP_QUALITY)
                 .build()
                 .into(holder.cover);
     }

app/src/main/java/com/cappielloantonio/play/adapter/RecentSearchAdapter.java

@@ -9,22 +9,21 @@ import android.widget.TextView;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.cappielloantonio.play.R;
-import com.cappielloantonio.play.model.Playlist;
 import com.cappielloantonio.play.model.RecentSearch;
 
 import java.util.List;
 
 public class RecentSearchAdapter extends RecyclerView.Adapter<RecentSearchAdapter.ViewHolder> {
-    private static final String TAG = "GenreAdapter";
+    private static final String TAG = "RecentSearchAdapter";
+
     private List<RecentSearch> searches;
     private LayoutInflater mInflater;
     private Context context;
     private ItemClickListener itemClickListener;
 
-    public RecentSearchAdapter(Context context, List<RecentSearch> searches) {
+    public RecentSearchAdapter(Context context) {
         this.context = context;
         this.mInflater = LayoutInflater.from(context);
-        this.searches = searches;
     }
 
     @Override

app/src/main/java/com/cappielloantonio/play/adapter/SongResultSearchAdapter.java

@@ -23,14 +23,14 @@ import java.util.List;
  */
 public class SongResultSearchAdapter extends RecyclerView.Adapter<SongResultSearchAdapter.ViewHolder> {
     private static final String TAG = "SongResultSearchAdapter";
+
     private List<Song> songs;
     private LayoutInflater mInflater;
     private Context context;
 
-    public SongResultSearchAdapter(Context context, List<Song> songs) {
+    public SongResultSearchAdapter(Context context) {
         this.context = context;
         this.mInflater = LayoutInflater.from(context);
-        this.songs = songs;
     }
 
     @Override
@@ -48,7 +48,7 @@ public class SongResultSearchAdapter extends RecyclerView.Adapter<SongResultSear
         holder.songDuration.setText(Util.getReadableDurationString(song.getDuration()));
 
         CustomGlideRequest.Builder
-                .from(context, song.getPrimary(), song.getPrimary(), CustomGlideRequest.PRIMARY, CustomGlideRequest.TOP_QUALITY)
+                .from(context, song.getPrimary(), song.getBlurHash(), CustomGlideRequest.PRIMARY, CustomGlideRequest.TOP_QUALITY)
                 .build()
                 .into(holder.cover);
     }

app/src/main/java/com/cappielloantonio/play/adapter/YearAdapter.java

@@ -0,0 +1,79 @@
+package com.cappielloantonio.play.adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.cappielloantonio.play.R;
+
+import java.util.List;
+
+public class YearAdapter extends RecyclerView.Adapter<YearAdapter.ViewHolder> {
+    private static final String TAG = "YearAdapter";
+    private List<Integer> years;
+    private LayoutInflater mInflater;
+    private Context context;
+    private ItemClickListener itemClickListener;
+
+    public YearAdapter(Context context, List<Integer> years) {
+        this.context = context;
+        this.mInflater = LayoutInflater.from(context);
+        this.years = years;
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = mInflater.inflate(R.layout.item_home_year, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+        int year = years.get(position);
+
+        holder.textYear.setText(Integer.toString(year));
+    }
+
+    @Override
+    public int getItemCount() {
+        return years.size();
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+        TextView textYear;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+
+            textYear = itemView.findViewById(R.id.year_label);
+
+            itemView.setOnClickListener(this);
+        }
+
+        @Override
+        public void onClick(View view) {
+            if (itemClickListener != null) itemClickListener.onItemClick(view, getAdapterPosition());
+        }
+    }
+
+    public Integer getItem(int position) {
+        return years.get(position);
+    }
+
+    public void setItems(List<Integer> years) {
+        this.years = years;
+        notifyDataSetChanged();
+    }
+
+    public void setClickListener(ItemClickListener itemClickListener) {
+        this.itemClickListener = itemClickListener;
+    }
+
+    public interface ItemClickListener {
+        void onItemClick(View view, int position);
+    }
+}

app/src/main/java/com/cappielloantonio/play/database/dao/SongDao.java

@@ -24,9 +24,6 @@ public interface SongDao {
     @Query("SELECT * FROM song WHERE title LIKE '%' || :title || '%'")
     LiveData<List<Song>> searchSong(String title);
 
-    @Query("SELECT * FROM song ORDER BY RANDOM() LIMIT :number")
-    LiveData<List<Song>> getDiscoverSample(int number);
-
     @Query("SELECT * FROM song ORDER BY added DESC LIMIT :number")
     LiveData<List<Song>> getRecentlyAddedSample(int number);
 
@@ -74,4 +71,10 @@ public interface SongDao {
 
     @Query("SELECT title FROM song WHERE title LIKE :query || '%' OR title like '% ' || :query || '%' GROUP BY title LIMIT :number")
     List<String> searchSuggestions(String query, int number);
+
+    @Query("SELECT year FROM song WHERE year != 0 GROUP BY year")
+    List<Integer> getYearList();
+
+    @Query("SELECT * FROM song WHERE year = :year")
+    LiveData<List<Song>> getSongsByYear(int year);
 }

app/src/main/java/com/cappielloantonio/play/glide/CustomGlideRequest.java

@@ -93,14 +93,14 @@ public class CustomGlideRequest {
                 break;
             }
             case MEDIUM_QUALITY: {
-                options.setQuality(80);
+                options.setQuality(100);
-                options.setMaxHeight(500);
+                options.setMaxHeight(600);
                 options.setEnableImageEnhancers(true);
                 break;
             }
             case LOW_QUALITY: {
-                options.setQuality(60);
+                options.setQuality(100);
-                options.setMaxHeight(300);
+                options.setMaxHeight(400);
                 options.setEnableImageEnhancers(true);
                 break;
             }

app/src/main/java/com/cappielloantonio/play/model/Song.java

@@ -37,6 +37,9 @@ public class Song implements Parcelable {
     @Ignore
     public static final String BY_ARTIST = "BY_ARTIST";
 
+    @Ignore
+    public static final String BY_YEAR = "BY_YEAR";
+
     @NonNull
     @PrimaryKey
     @ColumnInfo(name = "id")

app/src/main/java/com/cappielloantonio/play/repository/SongRepository.java

@@ -24,6 +24,7 @@ public class SongRepository {
     private LiveData<List<Song>> listLiveAlbumSongs;
     private LiveData<List<Song>> listLiveSongByGenre;
     private LiveData<List<Song>> listLiveFilteredSongs;
+    private LiveData<List<Song>> listLiveSongByYear;
 
 
     public SongRepository(Application application) {
@@ -115,6 +116,28 @@ public class SongRepository {
         return catalogue;
     }
 
+    public List<Integer> getYearList() {
+        List<Integer> years = new ArrayList<>();
+
+        GetYearListThreadSafe getYearListThreadSafe = new GetYearListThreadSafe(songDao);
+        Thread thread = new Thread(getYearListThreadSafe);
+        thread.start();
+
+        try {
+            thread.join();
+            years = getYearListThreadSafe.getYearList();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        return years;
+    }
+
+    public LiveData<List<Song>> getSongByYearListLive(int year) {
+        listLiveSongByYear = songDao.getSongsByYear(year);
+        return listLiveSongByYear;
+    }
+
     public boolean exist(Song song) {
         boolean exist = false;
 
@@ -383,4 +406,33 @@ public class SongRepository {
             songGenreCrossDao.deleteAll();
         }
     }
+
+    private static class GetYearListThreadSafe implements Runnable {
+        private SongDao songDao;
+        private List<Integer> years = new ArrayList<>();
+        private List<Integer> decades = new ArrayList<>();
+
+        public GetYearListThreadSafe(SongDao songDao) {
+            this.songDao = songDao;
+        }
+
+        @Override
+        public void run() {
+            years = songDao.getYearList();
+
+            for(int year : years) {
+                if(!decades.contains(year - year % 10)) {
+                    decades.add(year);
+                }
+            }
+        }
+
+        public List<Integer> getYearList() {
+            return years;
+        }
+
+        public List<Integer> getDecadeList() {
+            return decades;
+        }
+    }
 }

app/src/main/java/com/cappielloantonio/play/ui/fragment/AlbumCatalogueFragment.java

@@ -16,8 +16,6 @@ import com.cappielloantonio.play.helper.recyclerview.ItemDecoration;
 import com.cappielloantonio.play.ui.activities.MainActivity;
 import com.cappielloantonio.play.viewmodel.AlbumCatalogueViewModel;
 
-import java.util.ArrayList;
-
 public class AlbumCatalogueFragment extends Fragment {
     private static final String TAG = "ArtistCatalogueFragment";
 
@@ -51,7 +49,7 @@ public class AlbumCatalogueFragment extends Fragment {
         bind.albumCatalogueRecyclerView.addItemDecoration(new ItemDecoration(2, 20, false));
         bind.albumCatalogueRecyclerView.setHasFixedSize(true);
 
-        albumAdapter = new AlbumCatalogueAdapter(requireContext(), new ArrayList<>());
+        albumAdapter = new AlbumCatalogueAdapter(requireContext());
         albumAdapter.setClickListener((view, position) -> {
             Bundle bundle = new Bundle();
             bundle.putParcelable("album_object", albumAdapter.getItem(position));

app/src/main/java/com/cappielloantonio/play/ui/fragment/ArtistCatalogueFragment.java

@@ -16,8 +16,6 @@ import com.cappielloantonio.play.helper.recyclerview.ItemDecoration;
 import com.cappielloantonio.play.ui.activities.MainActivity;
 import com.cappielloantonio.play.viewmodel.ArtistCatalogueViewModel;
 
-import java.util.ArrayList;
-
 public class ArtistCatalogueFragment extends Fragment {
     private static final String TAG = "ArtistCatalogueFragment";
 
@@ -51,7 +49,7 @@ public class ArtistCatalogueFragment extends Fragment {
         bind.artistCatalogueRecyclerView.addItemDecoration(new ItemDecoration(2, 20, false));
         bind.artistCatalogueRecyclerView.setHasFixedSize(true);
 
-        artistAdapter = new ArtistCatalogueAdapter(requireContext(), new ArrayList<>());
+        artistAdapter = new ArtistCatalogueAdapter(requireContext());
         artistAdapter.setClickListener((view, position) -> {
             Bundle bundle = new Bundle();
             bundle.putParcelable("artist_object", artistAdapter.getItem(position));

app/src/main/java/com/cappielloantonio/play/ui/fragment/ArtistPageFragment.java

@@ -83,7 +83,7 @@ public class ArtistPageFragment extends Fragment {
         bind.albumsRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false));
         bind.albumsRecyclerView.setHasFixedSize(true);
 
-        albumArtistPageAdapter = new AlbumArtistPageAdapter(requireContext(), new ArrayList<>());
+        albumArtistPageAdapter = new AlbumArtistPageAdapter(requireContext());
         albumArtistPageAdapter.setClickListener((view, position) -> {
             Bundle bundle = new Bundle();
             bundle.putParcelable("album_object", albumArtistPageAdapter.getItem(position));

app/src/main/java/com/cappielloantonio/play/ui/fragment/GenreCatalogueFragment.java

@@ -17,8 +17,6 @@ import com.cappielloantonio.play.model.Song;
 import com.cappielloantonio.play.ui.activities.MainActivity;
 import com.cappielloantonio.play.viewmodel.GenreCatalogueViewModel;
 
-import java.util.ArrayList;
-
 public class GenreCatalogueFragment extends Fragment {
     private static final String TAG = "GenreCatalogueFragment";;
 
@@ -57,7 +55,7 @@ public class GenreCatalogueFragment extends Fragment {
         bind.genreCatalogueRecyclerView.addItemDecoration(new ItemDecoration(2, 16, false));
         bind.genreCatalogueRecyclerView.setHasFixedSize(true);
 
-        genreCatalogueAdapter = new GenreCatalogueAdapter(requireContext(), new ArrayList<>());
+        genreCatalogueAdapter = new GenreCatalogueAdapter(requireContext());
         genreCatalogueAdapter.setClickListener((view, position) -> {
             Bundle bundle = new Bundle();
             bundle.putString(Song.BY_GENRE, Song.BY_GENRE);

app/src/main/java/com/cappielloantonio/play/ui/fragment/HomeFragment.java

@@ -16,14 +16,13 @@ import androidx.viewpager2.widget.ViewPager2;
 import com.cappielloantonio.play.R;
 import com.cappielloantonio.play.adapter.DiscoverSongAdapter;
 import com.cappielloantonio.play.adapter.RecentMusicAdapter;
+import com.cappielloantonio.play.adapter.YearAdapter;
 import com.cappielloantonio.play.databinding.FragmentHomeBinding;
 import com.cappielloantonio.play.model.Song;
 import com.cappielloantonio.play.ui.activities.MainActivity;
 import com.cappielloantonio.play.util.PreferenceUtil;
 import com.cappielloantonio.play.viewmodel.HomeViewModel;
 
-import java.util.ArrayList;
-
 public class HomeFragment extends Fragment {
     private static final String TAG = "CategoriesFragment";
 
@@ -33,6 +32,7 @@ public class HomeFragment extends Fragment {
 
     private DiscoverSongAdapter discoverSongAdapter;
     private RecentMusicAdapter recentlyAddedMusicAdapter;
+    private YearAdapter yearAdapter;
     private RecentMusicAdapter recentlyPlayedMusicAdapter;
     private RecentMusicAdapter mostPlayedMusicAdapter;
 
@@ -48,6 +48,7 @@ public class HomeFragment extends Fragment {
         init();
         initDiscoverSongSlideView();
         initRecentAddedSongView();
+        initYearSongView();
         initRecentPlayedSongView();
         initMostPlayedSongView();
 
@@ -99,16 +100,30 @@ public class HomeFragment extends Fragment {
         bind.recentlyAddedTracksRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false));
         bind.recentlyAddedTracksRecyclerView.setHasFixedSize(true);
 
-        recentlyAddedMusicAdapter = new RecentMusicAdapter(requireContext(), new ArrayList<>());
+        recentlyAddedMusicAdapter = new RecentMusicAdapter(requireContext());
         bind.recentlyAddedTracksRecyclerView.setAdapter(recentlyAddedMusicAdapter);
         homeViewModel.getRecentlyAddedSongList().observe(requireActivity(), songs -> recentlyAddedMusicAdapter.setItems(songs));
     }
 
+    private void initYearSongView() {
+        bind.yearsRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false));
+        bind.yearsRecyclerView.setHasFixedSize(true);
+
+        yearAdapter = new YearAdapter(requireContext(), homeViewModel.getYearList());
+        yearAdapter.setClickListener((view, position) -> {
+            Bundle bundle = new Bundle();
+            bundle.putString(Song.BY_YEAR, Song.BY_YEAR);
+            bundle.putInt("year_object", yearAdapter.getItem(position));
+            activity.navController.navigate(R.id.action_homeFragment_to_songListPageFragment, bundle);
+        });
+        bind.yearsRecyclerView.setAdapter(yearAdapter);
+    }
+
     private void initRecentPlayedSongView() {
         bind.recentlyPlayedTracksRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false));
         bind.recentlyPlayedTracksRecyclerView.setHasFixedSize(true);
 
-        recentlyPlayedMusicAdapter = new RecentMusicAdapter(requireContext(), new ArrayList<>());
+        recentlyPlayedMusicAdapter = new RecentMusicAdapter(requireContext());
         bind.recentlyPlayedTracksRecyclerView.setAdapter(recentlyPlayedMusicAdapter);
         homeViewModel.getRecentlyPlayedSongList().observe(requireActivity(), songs -> recentlyPlayedMusicAdapter.setItems(songs));
     }
@@ -117,7 +132,7 @@ public class HomeFragment extends Fragment {
         bind.mostPlayedTracksRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false));
         bind.mostPlayedTracksRecyclerView.setHasFixedSize(true);
 
-        mostPlayedMusicAdapter = new RecentMusicAdapter(requireContext(), new ArrayList<>());
+        mostPlayedMusicAdapter = new RecentMusicAdapter(requireContext());
         bind.mostPlayedTracksRecyclerView.setAdapter(mostPlayedMusicAdapter);
         homeViewModel.getMostPlayedSongList().observe(requireActivity(), songs -> mostPlayedMusicAdapter.setItems(songs));
     }

app/src/main/java/com/cappielloantonio/play/ui/fragment/LibraryFragment.java

@@ -25,8 +25,6 @@ import com.cappielloantonio.play.ui.activities.MainActivity;
 import com.cappielloantonio.play.util.PreferenceUtil;
 import com.cappielloantonio.play.viewmodel.LibraryViewModel;
 
-import java.util.ArrayList;
-
 public class LibraryFragment extends Fragment {
     private static final String TAG = "LibraryFragment";
 
@@ -75,7 +73,7 @@ public class LibraryFragment extends Fragment {
         bind.albumRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false));
         bind.albumRecyclerView.setHasFixedSize(true);
 
-        albumAdapter = new AlbumAdapter(requireContext(), new ArrayList<>());
+        albumAdapter = new AlbumAdapter(requireContext());
         albumAdapter.setClickListener((view, position) -> {
             Bundle bundle = new Bundle();
             bundle.putParcelable("album_object", albumAdapter.getItem(position));
@@ -89,7 +87,7 @@ public class LibraryFragment extends Fragment {
         bind.artistRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false));
         bind.artistRecyclerView.setHasFixedSize(true);
 
-        artistAdapter = new ArtistAdapter(requireContext(), new ArrayList<>());
+        artistAdapter = new ArtistAdapter(requireContext());
         artistAdapter.setClickListener((view, position) -> {
             Bundle bundle = new Bundle();
             bundle.putParcelable("artist_object", artistAdapter.getItem(position));
@@ -103,7 +101,7 @@ public class LibraryFragment extends Fragment {
         bind.genreRecyclerView.setLayoutManager(new GridLayoutManager(requireContext(), 3, GridLayoutManager.HORIZONTAL, false));
         bind.genreRecyclerView.setHasFixedSize(true);
 
-        genreAdapter = new GenreAdapter(requireContext(), new ArrayList<>());
+        genreAdapter = new GenreAdapter(requireContext());
         genreAdapter.setClickListener((view, position) -> {
             Bundle bundle = new Bundle();
             bundle.putString(Song.BY_GENRE, Song.BY_GENRE);
@@ -118,7 +116,7 @@ public class LibraryFragment extends Fragment {
         bind.playlistRecyclerView.setLayoutManager(new GridLayoutManager(requireContext(), 2));
         bind.playlistRecyclerView.setHasFixedSize(true);
 
-        playlistAdapter = new PlaylistAdapter(requireContext(), new ArrayList<>());
+        playlistAdapter = new PlaylistAdapter(requireContext());
         playlistAdapter.setClickListener((view, position) -> Toast.makeText(requireContext(), "Playlist: " + position, Toast.LENGTH_SHORT).show());
         bind.playlistRecyclerView.setAdapter(playlistAdapter);
         libraryViewModel.getPlaylistList().observe(requireActivity(), playlists -> playlistAdapter.setItems(playlists));

app/src/main/java/com/cappielloantonio/play/ui/fragment/SearchFragment.java

@@ -72,7 +72,7 @@ public class SearchFragment extends Fragment {
         bind.recentlySearchedTracksRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext()));
         bind.recentlySearchedTracksRecyclerView.setHasFixedSize(true);
 
-        recentSearchAdapter = new RecentSearchAdapter(requireContext(), new ArrayList<>());
+        recentSearchAdapter = new RecentSearchAdapter(requireContext());
         recentSearchAdapter.setClickListener((view, position) -> {
             RecentSearch search = recentSearchAdapter.getItem(position);
             search(search.getSearch());
@@ -95,7 +95,7 @@ public class SearchFragment extends Fragment {
         bind.searchResultAlbumRecyclerView.addItemDecoration(new ItemDecoration(2, 20, false));
         bind.searchResultAlbumRecyclerView.setHasFixedSize(true);
 
-        albumResultSearchAdapter = new AlbumCatalogueAdapter(requireContext(), new ArrayList<>());
+        albumResultSearchAdapter = new AlbumCatalogueAdapter(requireContext());
         albumResultSearchAdapter.setClickListener((view, position) -> {
             Bundle bundle = new Bundle();
             bundle.putParcelable("album_object", albumResultSearchAdapter.getItem(position));
@@ -108,7 +108,7 @@ public class SearchFragment extends Fragment {
         bind.searchResultArtistRecyclerView.addItemDecoration(new ItemDecoration(2, 20, false));
         bind.searchResultArtistRecyclerView.setHasFixedSize(true);
 
-        artistResultSearchAdapter = new ArtistCatalogueAdapter(requireContext(), new ArrayList<>());
+        artistResultSearchAdapter = new ArtistCatalogueAdapter(requireContext());
         artistResultSearchAdapter.setClickListener((view, position) -> {
             Bundle bundle = new Bundle();
             bundle.putParcelable("artist_object", artistResultSearchAdapter.getItem(position));

app/src/main/java/com/cappielloantonio/play/ui/fragment/SongListPageFragment.java

@@ -74,6 +74,11 @@ public class SongListPageFragment extends Fragment {
             songListPageViewModel.filterNames = getArguments().getStringArrayList("filter_name_list");
             bind.pageTitleLabel.setText(songListPageViewModel.getFiltersTitle());
         }
+        else if(getArguments().getString(Song.BY_YEAR) != null) {
+            songListPageViewModel.title = Song.BY_YEAR;
+            songListPageViewModel.year = getArguments().getInt("year_object");
+            bind.pageTitleLabel.setText("Year " + songListPageViewModel.year);
+        }
     }
 
     private void initSongListView() {

app/src/main/java/com/cappielloantonio/play/viewmodel/AlbumCatalogueViewModel.java

@@ -7,16 +7,13 @@ import androidx.lifecycle.AndroidViewModel;
 import androidx.lifecycle.LiveData;
 
 import com.cappielloantonio.play.model.Album;
-import com.cappielloantonio.play.model.Artist;
 import com.cappielloantonio.play.repository.AlbumRepository;
-import com.cappielloantonio.play.repository.ArtistRepository;
 
 import java.util.List;
 
 public class AlbumCatalogueViewModel extends AndroidViewModel {
     private AlbumRepository albumRepository;
-
+    public LiveData<List<Album>> albumList;
-    private LiveData<List<Album>> albumList;
 
     public AlbumCatalogueViewModel(@NonNull Application application) {
         super(application);

app/src/main/java/com/cappielloantonio/play/viewmodel/HomeViewModel.java

@@ -1,6 +1,7 @@
 package com.cappielloantonio.play.viewmodel;
 
 import android.app.Application;
+import android.util.Log;
 
 import androidx.annotation.NonNull;
 import androidx.lifecycle.AndroidViewModel;
@@ -19,6 +20,7 @@ public class HomeViewModel extends AndroidViewModel {
     private LiveData<List<Song>> recentlyPlayedSongSample;
     private LiveData<List<Song>> recentlyAddedSongSample;
     private LiveData<List<Song>> mostPlayedSongSample;
+    private List<Integer> years;
 
     public HomeViewModel(@NonNull Application application) {
         super(application);
@@ -29,6 +31,7 @@ public class HomeViewModel extends AndroidViewModel {
         recentlyPlayedSongSample = songRepository.getListLiveRecentlyPlayedSampleSong(20);
         recentlyAddedSongSample = songRepository.getListLiveRecentlyAddedSampleSong(20);
         mostPlayedSongSample = songRepository.getListLiveMostPlayedSampleSong(20);
+        years = songRepository.getYearList();
     }
 
 
@@ -51,4 +54,9 @@ public class HomeViewModel extends AndroidViewModel {
     public LiveData<List<Song>> getMostPlayedSongList() {
         return mostPlayedSongSample;
     }
+
+    public List<Integer> getYearList() {
+        Log.d(TAG, "getYearList: " + years.toString());
+        return years;
+    }
 }

app/src/main/java/com/cappielloantonio/play/viewmodel/SongListPageViewModel.java

@@ -25,6 +25,7 @@ public class SongListPageViewModel extends AndroidViewModel {
     public Artist artist;
     public ArrayList<String> filters = new ArrayList<>();
     public ArrayList<String> filterNames = new ArrayList<>();
+    public int year = 0;
 
     public SongListPageViewModel(@NonNull Application application) {
         super(application);
@@ -52,6 +53,9 @@ public class SongListPageViewModel extends AndroidViewModel {
             case Song.BY_GENRES:
                 songList = songRepository.getFilteredListLiveSong(filters);
                 break;
+            case Song.BY_YEAR:
+                songList = songRepository.getSongByYearListLive(year);
+                break;
         }
 
         return songList;

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

@@ -3,7 +3,8 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:paddingTop="20dp">
 
     <ProgressBar
         android:id="@+id/loading_progress_bar"
@@ -12,7 +13,8 @@
         android:layout_height="wrap_content"
         android:indeterminate="true"
         android:minWidth="128dp"
-        android:layout_centerInParent="true"/>
+        android:layout_centerInParent="true"
+        android:visibility="visible"/>
 
     <androidx.core.widget.NestedScrollView
         android:id="@+id/album_catalogue_container"

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

@@ -4,7 +4,8 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:paddingTop="20dp">
 
     <ProgressBar
         android:id="@+id/loading_progress_bar"

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

@@ -25,7 +25,7 @@
                 android:paddingStart="16dp"
                 android:paddingTop="20dp"
                 android:paddingEnd="16dp"
-                android:text="Discover Music"
+                android:text="Music discovery"
                 android:textColor="@color/titleTextColor"
                 android:textSize="22sp"
                 android:textStyle="bold" />
@@ -63,7 +63,7 @@
                     android:paddingStart="8dp"
                     android:paddingTop="12dp"
                     android:paddingEnd="8dp"
-                    android:text="Recently added tracks"
+                    android:text="Recently added"
                     android:textColor="@color/titleTextColor"
                     android:textSize="22sp"
                     android:textStyle="bold" />
@@ -96,6 +96,38 @@
                 android:paddingBottom="8dp" />
         </LinearLayout>
 
+        <!--  Recently added tracks -->
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <!--  Label and button  -->
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:fontFamily="@font/open_sans_font_family"
+                android:paddingStart="16dp"
+                android:paddingTop="20dp"
+                android:paddingEnd="16dp"
+                android:text="Flashback"
+                android:textColor="@color/titleTextColor"
+                android:textSize="22sp"
+                android:textStyle="bold" />
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/years_recycler_view"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="8dp"
+                android:layout_marginBottom="8dp"
+                android:clipToPadding="false"
+                android:paddingStart="16dp"
+                android:paddingTop="8dp"
+                android:paddingEnd="8dp"
+                android:paddingBottom="8dp" />
+        </LinearLayout>
+
         <!--  Recently played tracks -->
         <LinearLayout
             android:layout_width="match_parent"
@@ -119,7 +151,7 @@
                     android:paddingStart="8dp"
                     android:paddingTop="12dp"
                     android:paddingEnd="8dp"
-                    android:text="Recently played tracks"
+                    android:text="Last played"
                     android:textColor="@color/titleTextColor"
                     android:textSize="22sp"
                     android:textStyle="bold" />
@@ -175,7 +207,7 @@
                     android:paddingStart="8dp"
                     android:paddingTop="12dp"
                     android:paddingEnd="8dp"
-                    android:text="Most played tracks"
+                    android:text="Most played"
                     android:textColor="@color/titleTextColor"
                     android:textSize="22sp"
                     android:textStyle="bold" />

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

@@ -41,7 +41,7 @@
                         android:paddingStart="8dp"
                         android:paddingTop="12dp"
                         android:paddingEnd="8dp"
-                        android:text="My Albums"
+                        android:text="Albums"
                         android:textColor="@color/titleTextColor"
                         android:textSize="22sp"
                         android:textStyle="bold" />
@@ -104,7 +104,7 @@
                         android:paddingStart="8dp"
                         android:paddingTop="12dp"
                         android:paddingEnd="8dp"
-                        android:text="My Artists"
+                        android:text="Artists"
                         android:textColor="@color/titleTextColor"
                         android:textSize="22sp"
                         android:textStyle="bold" />
@@ -167,7 +167,7 @@
                         android:paddingStart="8dp"
                         android:paddingTop="12dp"
                         android:paddingEnd="8dp"
-                        android:text="Music by genre"
+                        android:text="Genres"
                         android:textColor="@color/titleTextColor"
                         android:textSize="22sp"
                         android:textStyle="bold" />

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

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:paddingEnd="12dp"
+    android:paddingBottom="8dp">
+
+    <androidx.cardview.widget.CardView
+        xmlns:card_view="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/card_view"
+        android:layout_width="172dp"
+        android:layout_height="72dp"
+        android:layout_gravity="center"
+        android:backgroundTint="@color/cardColor"
+        card_view:cardCornerRadius="4dp"
+        card_view:cardElevation="2dp"
+        card_view:cardPreventCornerOverlap="false"
+        card_view:cardUseCompatPadding="true">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="horizontal">
+
+            <View
+                android:layout_width="6dp"
+                android:layout_height="match_parent"
+                android:background="@color/colorAccent"/>
+
+            <TextView
+                android:id="@+id/year_label"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:layout_gravity="center"
+                android:fontFamily="@font/open_sans_font_family"
+                android:paddingStart="8dp"
+                android:text="@string/label_placeholder"
+                android:textColor="@color/titleTextColor"
+                android:textSize="14sp"
+                android:textStyle="bold"
+                android:textAlignment="gravity"/>
+
+        </LinearLayout>
+    </androidx.cardview.widget.CardView>
+</LinearLayout>