Playlist interface - initial work

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

@@ -112,7 +112,6 @@ public class LibraryFragment extends Fragment {
         bind.playlistRecyclerView.setHasFixedSize(true);
 
         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/PlaylistPageFragment.java

@@ -0,0 +1,96 @@
+package com.cappielloantonio.play.ui.fragment;
+
+import android.graphics.PorterDuff;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.Nullable;
+import androidx.core.view.ViewCompat;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+
+import com.cappielloantonio.play.R;
+import com.cappielloantonio.play.adapter.SongResultSearchAdapter;
+import com.cappielloantonio.play.databinding.FragmentAlbumPageBinding;
+import com.cappielloantonio.play.databinding.FragmentPlaylistPageBinding;
+import com.cappielloantonio.play.glide.CustomGlideRequest;
+import com.cappielloantonio.play.ui.activities.MainActivity;
+import com.cappielloantonio.play.viewmodel.AlbumPageViewModel;
+import com.cappielloantonio.play.viewmodel.PlaylistPageViewModel;
+
+public class PlaylistPageFragment extends Fragment {
+
+    private FragmentPlaylistPageBinding bind;
+    private MainActivity activity;
+    private PlaylistPageViewModel playlistPageViewModel;
+
+    private SongResultSearchAdapter songResultSearchAdapter;
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        initAppBar();
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        activity = (MainActivity) getActivity();
+
+        bind = FragmentPlaylistPageBinding.inflate(inflater, container, false);
+        View view = bind.getRoot();
+        playlistPageViewModel = new ViewModelProvider(requireActivity()).get(PlaylistPageViewModel.class);
+
+        init();
+        initSongsView();
+
+        return view;
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        activity.setBottomNavigationBarVisibility(false);
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        bind = null;
+    }
+
+    private void init() {
+        playlistPageViewModel.setPlaylist(getArguments().getParcelable("playlist_object"));
+    }
+
+    private void initAppBar() {
+        activity.setSupportActionBar(bind.animToolbar);
+        if (activity.getSupportActionBar() != null)
+            activity.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+        bind.collapsingToolbar.setTitle(playlistPageViewModel.getPlaylist().getName());
+        bind.animToolbar.setNavigationOnClickListener(v -> activity.navController.navigateUp());
+        bind.collapsingToolbar.setCollapsedTitleTextColor(getResources().getColor(R.color.titleTextColor, null));
+
+        bind.appbar.addOnOffsetChangedListener((appBarLayout, verticalOffset) -> {
+            if ((bind.collapsingToolbar.getHeight() + verticalOffset) < (2 * ViewCompat.getMinimumHeight(bind.collapsingToolbar))) {
+                bind.animToolbar.getNavigationIcon().setColorFilter(getResources().getColor(R.color.titleTextColor, null), PorterDuff.Mode.SRC_ATOP);
+            } else {
+                bind.animToolbar.getNavigationIcon().setColorFilter(getResources().getColor(R.color.white, null), PorterDuff.Mode.SRC_ATOP);
+            }
+        });
+
+    }
+
+    private void initSongsView() {
+        bind.songRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext()));
+        bind.songRecyclerView.setHasFixedSize(true);
+
+        songResultSearchAdapter = new SongResultSearchAdapter(activity, requireContext(), getChildFragmentManager());
+        bind.songRecyclerView.setAdapter(songResultSearchAdapter);
+        playlistPageViewModel.getPlaylistSongList().observe(requireActivity(), songs -> songResultSearchAdapter.setItems(songs));
+    }
+}