Adds list of monsters to Library screen.

Android/app/src/main/java/com/majinnaibu/monstercards/ui/MonsterListRecyclerViewAdapter.java

@@ -0,0 +1,95 @@
+package com.majinnaibu.monstercards.ui;
+
+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.majinnaibu.monstercards.R;
+import com.majinnaibu.monstercards.models.Monster;
+import com.majinnaibu.monstercards.ui.library.LibraryFragment;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
+import io.reactivex.rxjava3.core.Flowable;
+import io.reactivex.rxjava3.schedulers.Schedulers;
+
+public class MonsterListRecyclerViewAdapter extends RecyclerView.Adapter<MonsterListRecyclerViewAdapter.ViewHolder> {
+    public interface ItemCallback {
+        void onItem(Monster monster);
+    }
+
+    // TODO: Replace SimpleItemRecyclerViewAdapter with something better like MonsterListRecyclerViewAdapter that can be reused in search
+
+    private final LibraryFragment mParentActivity;
+    private List<Monster> mValues;
+    private final boolean mTwoPane;
+    private final Context mContext;
+    private final ItemCallback mOnDelete;
+    private final View.OnClickListener mOnClickListener = new View.OnClickListener() {
+        @Override
+        public void onClick(View view) {
+        }
+    };
+
+    public MonsterListRecyclerViewAdapter(LibraryFragment parent,
+                                          Flowable<List<Monster>> itemsObservable,
+                                          ItemCallback onDelete,
+                                          boolean twoPane) {
+        mValues = new ArrayList<>();
+        mParentActivity = parent;
+        mTwoPane = twoPane;
+        mContext = parent.getContext();
+        mOnDelete = onDelete;
+
+        itemsObservable
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(monsters -> {
+                    mValues = monsters;
+                    notifyDataSetChanged();
+                });
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.monster_list_content, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(final ViewHolder holder, int position) {
+        holder.mIdView.setText(mValues.get(position).id.toString().substring(0, 6));
+        holder.mContentView.setText(mValues.get(position).name);
+
+        holder.itemView.setTag(mValues.get(position));
+        holder.itemView.setOnClickListener(mOnClickListener);
+    }
+
+    @Override
+    public int getItemCount() {
+        return mValues.size();
+    }
+
+    public Context getContext() {
+        return mContext;
+    }
+
+    class ViewHolder extends RecyclerView.ViewHolder {
+        final TextView mIdView;
+        final TextView mContentView;
+
+        ViewHolder(View view) {
+            super(view);
+            mIdView = view.findViewById(R.id.id_text);
+            mContentView = view.findViewById(R.id.content);
+        }
+    }
+
+}

Android/app/src/main/java/com/majinnaibu/monstercards/ui/library/LibraryFragment.java

@@ -4,15 +4,15 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.lifecycle.Observer;
-import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.majinnaibu.monstercards.R;
+import com.majinnaibu.monstercards.data.MonsterRepository;
 import com.majinnaibu.monstercards.ui.MCFragment;
+import com.majinnaibu.monstercards.ui.MonsterListRecyclerViewAdapter;
 
 public class LibraryFragment extends MCFragment {
 
@@ -20,15 +20,26 @@ public class LibraryFragment extends MCFragment {
 
     public View onCreateView(@NonNull LayoutInflater inflater,
                              ViewGroup container, Bundle savedInstanceState) {
-        libraryViewModel = new ViewModelProvider(this).get(LibraryViewModel.class);
         View root = inflater.inflate(R.layout.fragment_library, container, false);
-        final TextView textView = root.findViewById(R.id.text_library);
-        libraryViewModel.getText().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(@Nullable String s) {
-                textView.setText(s);
-            }
-        });
+
+        RecyclerView recyclerView = root.findViewById(R.id.monster_list);
+        assert recyclerView != null;
+        setupRecyclerView(recyclerView);
+
         return root;
     }
+
+    private void setupRecyclerView(@NonNull RecyclerView recyclerView) {
+        MonsterRepository repository = this.getMonsterRepository();
+        boolean mTwoPane = false;
+        MonsterListRecyclerViewAdapter adapter = new MonsterListRecyclerViewAdapter(
+                this,
+                repository.getMonsters(),
+                (monster) -> {
+                },
+                mTwoPane);
+        recyclerView.setAdapter(adapter);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+    }
+    }
 }