Added similar items in artist page

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

@@ -0,0 +1,96 @@
+package com.cappielloantonio.play.adapter;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.navigation.Navigation;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.cappielloantonio.play.R;
+import com.cappielloantonio.play.glide.CustomGlideRequest;
+import com.cappielloantonio.play.model.Album;
+import com.cappielloantonio.play.model.Artist;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ArtistSimilarAdapter extends RecyclerView.Adapter<ArtistSimilarAdapter.ViewHolder> {
+    private static final String TAG = "AlbumArtistPageAdapter";
+
+    private List<Artist> artists;
+    private LayoutInflater inflater;
+    private Context context;
+
+    public ArtistSimilarAdapter(Context context) {
+        this.context = context;
+        this.inflater = LayoutInflater.from(context);
+        this.artists = new ArrayList<>();
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = inflater.inflate(R.layout.item_library_similar_artist, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+        Artist artist = artists.get(position);
+
+        holder.textArtistName.setText(artist.getName());
+
+        CustomGlideRequest.Builder
+                .from(context, artist.getPrimary(), artist.getPrimaryBlurHash(), CustomGlideRequest.PRIMARY, CustomGlideRequest.LOW_QUALITY, CustomGlideRequest.ALBUM_PIC)
+                .build()
+                .into(holder.cover);
+    }
+
+    @Override
+    public int getItemCount() {
+        return artists.size();
+    }
+
+    public Artist getItem(int position) {
+        return artists.get(position);
+    }
+
+    public void setItems(List<Artist> artists) {
+        this.artists = artists;
+        notifyDataSetChanged();
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
+        TextView textArtistName;
+        ImageView cover;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+
+            textArtistName = itemView.findViewById(R.id.artist_name_label);
+            cover = itemView.findViewById(R.id.similar_artist_cover_image_view);
+
+            itemView.setOnClickListener(this);
+            itemView.setOnLongClickListener(this);
+        }
+
+        @Override
+        public void onClick(View view) {
+            Bundle bundle = new Bundle();
+            bundle.putParcelable("artist_object", artists.get(getBindingAdapterPosition()));
+            Navigation.findNavController(view).navigate(R.id.artistPageFragment, bundle);
+        }
+
+        @Override
+        public boolean onLongClick(View view) {
+            Bundle bundle = new Bundle();
+            bundle.putParcelable("artist_object", artists.get(getBindingAdapterPosition()));
+            Navigation.findNavController(view).navigate(R.id.artistBottomSheetDialog, bundle);
+            return true;
+        }
+    }
+}

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

@@ -17,10 +17,13 @@ import androidx.recyclerview.widget.LinearLayoutManager;
 import com.cappielloantonio.play.App;
 import com.cappielloantonio.play.R;
 import com.cappielloantonio.play.adapter.AlbumArtistPageOrSimilarAdapter;
+import com.cappielloantonio.play.adapter.ArtistSimilarAdapter;
 import com.cappielloantonio.play.adapter.SongResultSearchAdapter;
 import com.cappielloantonio.play.databinding.FragmentArtistPageBinding;
 import com.cappielloantonio.play.glide.CustomGlideRequest;
 import com.cappielloantonio.play.interfaces.MediaCallback;
+import com.cappielloantonio.play.model.Album;
+import com.cappielloantonio.play.model.Artist;
 import com.cappielloantonio.play.service.MusicPlayerRemote;
 import com.cappielloantonio.play.model.Song;
 import com.cappielloantonio.play.repository.QueueRepository;
@@ -40,6 +43,7 @@ public class ArtistPageFragment extends Fragment {
 
     private SongResultSearchAdapter songResultSearchAdapter;
     private AlbumArtistPageOrSimilarAdapter albumArtistPageOrSimilarAdapter;
+    private ArtistSimilarAdapter artistSimilarAdapter;
 
     @Override
     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
@@ -61,6 +65,7 @@ public class ArtistPageFragment extends Fragment {
         initPlayButtons();
         initTopSongsView();
         initAlbumsView();
+        initSimilarArtistsView();
 
         return view;
     }
@@ -162,4 +167,24 @@ public class ArtistPageFragment extends Fragment {
         bind.albumsRecyclerView.setAdapter(albumArtistPageOrSimilarAdapter);
         artistPageViewModel.getAlbumList().observe(requireActivity(), songs -> albumArtistPageOrSimilarAdapter.setItems(songs));
     }
+
+    private void initSimilarArtistsView() {
+        SyncUtil.getSimilarItems(requireContext(), new MediaCallback() {
+            @Override
+            public void onError(Exception exception) {
+                Toast.makeText(requireContext(), "Error retrieving similar items", Toast.LENGTH_SHORT).show();
+            }
+
+            @Override
+            public void onLoadMedia(List<?> media) {
+                bind.similarArtistSector.setVisibility(View.VISIBLE);
+
+                bind.similarArtistsRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false));
+
+                artistSimilarAdapter = new ArtistSimilarAdapter(requireContext());
+                bind.similarArtistsRecyclerView.setAdapter(artistSimilarAdapter);
+                artistSimilarAdapter.setItems((ArrayList<Artist>) media);
+            }
+        }, SyncUtil.ARTIST, artistPageViewModel.getArtist().getId(), PreferenceUtil.getInstance(requireContext()).getSimilarItemsNumber());
+    }
 }

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

@@ -169,6 +169,35 @@
                 android:paddingTop="8dp"
                 android:paddingEnd="8dp"
                 android:paddingBottom="8dp" />
+
+            <LinearLayout
+                android:id="@+id/similar_artist_sector"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical">
+
+                <TextView
+                    style="@style/HeadlineTextView"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:paddingStart="16dp"
+                    android:paddingTop="8dp"
+                    android:paddingEnd="20dp"
+                    android:text="More like this" />
+
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/similar_artists_recycler_view"
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:layout_marginTop="8dp"
+                    android:layout_marginBottom="8dp"
+                    android:clipToPadding="false"
+                    android:paddingStart="16dp"
+                    android:paddingTop="8dp"
+                    android:paddingEnd="8dp"
+                    android:paddingBottom="8dp" />
+
+            </LinearLayout>
         </LinearLayout>
     </androidx.core.widget.NestedScrollView>
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:paddingEnd="8dp">
+
+    <ImageView
+        android:id="@+id/similar_artist_cover_image_view"
+        android:layout_width="256dp"
+        android:layout_height="256dp"
+        android:layout_gravity="center"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/artist_name_label"
+        style="@style/ItemTitleTextView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:ellipsize="end"
+        android:maxWidth="256dp"
+        android:maxLines="2"
+        android:paddingTop="8dp"
+        android:singleLine="false"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/similar_artist_cover_image_view" />
+</androidx.constraintlayout.widget.ConstraintLayout>