Complete RestaurantActivity

UI/AndroidApp/flavoursWithoutBorders/app/src/main/AndroidManifest.xml

@@ -46,7 +46,7 @@
             android:name=".activities.main.MainActivity"
             android:label="@string/main_activity_title" />
         <activity android:name=".activities.restaurant.RestaurantActivity" />
-        <activity android:name=".activities.restaurant.AddRestaurantActivity" />
+        <activity android:name=".activities.AddRestaurantActivity" />
     </application>
 
 </manifest>

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/AddRestaurantActivity.java → UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/AddRestaurantActivity.java

@@ -1,8 +1,7 @@
-package gr.auth.databases.flavours.activities.restaurant;
+package gr.auth.databases.flavours.activities;
 
 import android.annotation.SuppressLint;
 import android.os.Bundle;
-import android.util.Log;
 import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/main/MainActivity.java

@@ -6,6 +6,8 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.widget.Toolbar;
@@ -15,7 +17,7 @@ import androidx.fragment.app.FragmentStatePagerAdapter;
 import androidx.viewpager.widget.PagerAdapter;
 import androidx.viewpager.widget.ViewPager;
 import gr.auth.databases.flavours.R;
-import gr.auth.databases.flavours.activities.restaurant.AddRestaurantActivity;
+import gr.auth.databases.flavours.activities.AddRestaurantActivity;
 import gr.auth.databases.flavours.activities.main.fragments.MainListFragment;
 import gr.auth.databases.flavours.activities.main.fragments.MainMapFragment;
 import gr.auth.databases.flavours.base.BaseActivity;
@@ -25,6 +27,7 @@ public class MainActivity extends BaseActivity {
 
     private ViewPager viewPager;
     private MenuItem menuMapItem;
+    private FloatingActionButton FAB;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -42,6 +45,15 @@ public class MainActivity extends BaseActivity {
 
         createDrawer();
 
+        FAB = findViewById(R.id.main_fab);
+        FAB.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(view.getContext(), AddRestaurantActivity.class);
+                startActivity(intent);
+            }
+        });
+
         viewPager = findViewById(R.id.main_pager);
         viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
             public void onPageScrollStateChanged(int state) {
@@ -57,20 +69,14 @@ public class MainActivity extends BaseActivity {
 
                 if (position == 0) {
                     menuMapItem.setIcon(R.drawable.ic_map_black_24dp);
+                    FAB.show();
                 } else {
                     menuMapItem.setIcon(R.drawable.ic_list_black_24dp);
+                    FAB.hide();
                 }
             }
         });
 
-        findViewById(R.id.main_fab).setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                Intent intent = new Intent(view.getContext(), AddRestaurantActivity.class);
-                startActivity(intent);
-            }
-        });
-
         PagerAdapter pagerAdapter = new MainPagerAdapter(getSupportFragmentManager());
         viewPager.setAdapter(pagerAdapter);
     }

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/RestaurantActivity.java

@@ -5,24 +5,31 @@ import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.widget.Toolbar;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentStatePagerAdapter;
-import androidx.viewpager.widget.PagerAdapter;
+import androidx.fragment.app.FragmentPagerAdapter;
 import androidx.viewpager.widget.ViewPager;
 import gr.auth.databases.flavours.R;
-import gr.auth.databases.flavours.activities.restaurant.fragments.RestaurantListFragment;
-import gr.auth.databases.flavours.activities.restaurant.fragments.RestaurantMapFragment;
+import gr.auth.databases.flavours.activities.restaurant.fragments.RestaurantDrinksFragment;
+import gr.auth.databases.flavours.activities.restaurant.fragments.RestaurantFoodsFragment;
+import gr.auth.databases.flavours.activities.restaurant.fragments.RestaurantInfoFragment;
+import gr.auth.databases.flavours.activities.restaurant.fragments.RestaurantRatingsFragment;
 import gr.auth.databases.flavours.base.BaseActivity;
+import gr.auth.databases.flavours.model.ItemSummary;
 
 import android.os.Bundle;
-import android.view.Menu;
-import android.view.MenuItem;
 import android.view.View;
 
-public class RestaurantActivity extends BaseActivity {
-    private static final int NUM_PAGES = 2;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.tabs.TabLayout;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class RestaurantActivity extends BaseActivity
+        implements RestaurantFoodsFragment.RestaurantFoodsFragmentInteractionListener,
+        RestaurantDrinksFragment.RestaurantDrinksFragmentInteractionListener {
 
     private ViewPager viewPager;
-    private MenuItem menuMapItem;
+    private FloatingActionButton FAB;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -41,6 +48,16 @@ public class RestaurantActivity extends BaseActivity {
         createDrawer();
         drawer.setSelection(-1);
 
+        FAB = findViewById(R.id.restaurant_fab);
+        FAB.hide();
+        FAB.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                /*Intent intent = new Intent(view.getContext(), AddRestaurantActivity.class);
+                startActivity(intent);*/
+            }
+        });
+
         viewPager = findViewById(R.id.restaurant_pager);
         viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
             public void onPageScrollStateChanged(int state) {
@@ -50,85 +67,86 @@ public class RestaurantActivity extends BaseActivity {
             }
 
             public void onPageSelected(int position) {
-                if (menuMapItem == null) {
-                    return;
-                }
-
                 if (position == 0) {
-                    menuMapItem.setIcon(R.drawable.ic_map_black_24dp);
+                    FAB.hide();
                 } else {
-                    menuMapItem.setIcon(R.drawable.ic_list_black_24dp);
+                    FAB.show();
                 }
             }
         });
 
-        findViewById(R.id.restaurant_fab).setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                /*Intent intent = new Intent(view.getContext(), AddRestaurantActivity.class);
-                startActivity(intent);*/
-            }
-        });
-
-        PagerAdapter pagerAdapter = new RestaurantPagerAdapter(getSupportFragmentManager());
-        viewPager.setAdapter(pagerAdapter);
+        setupViewPager(viewPager);
+        TabLayout tabLayout = findViewById(R.id.restaurant_tabs);
+        tabLayout.setupWithViewPager(viewPager);
     }
 
+    /*@Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        int id = item.getItemId();
+
+        if (id == android.R.id.home) {
+            drawer.openDrawer();
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }*/
+
     @Override
     public void onBackPressed() {
         if (drawer.isDrawerOpen()) {
             drawer.closeDrawer();
-        } else if (viewPager.getCurrentItem() == 1) {
-            viewPager.setCurrentItem(0);
         } else {
             super.onBackPressed();
         }
     }
 
     @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        getMenuInflater().inflate(R.menu.restaurant_toolbar_menu, menu);
-        menuMapItem = menu.findItem(R.id.restaurant_toolbar_menu_map);
-        return true;
+    public void onRestaurantFoodsFragmentInteraction(ItemSummary item) {
+        // todo
     }
 
     @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        int id = item.getItemId();
-
-        if (id == R.id.main_toolbar_menu_map) {
-            if (viewPager.getCurrentItem() == 0) {
-                viewPager.setCurrentItem(1);
-            } else if (viewPager.getCurrentItem() == 1) {
-                viewPager.setCurrentItem(0);
-            }
-            return true;
-        } else if (id == android.R.id.home) {
-            drawer.openDrawer();
-            return true;
-        }
+    public void onRestaurantDrinksFragmentInteraction(ItemSummary item) {
+        // todo
+    }
 
-        return super.onOptionsItemSelected(item);
+    private void setupViewPager(ViewPager viewPager) {
+        RestaurantPagerAdapter adapter = new RestaurantPagerAdapter(getSupportFragmentManager());
+        adapter.addFrag(RestaurantInfoFragment.newInstance(64), "INFO");
+        adapter.addFrag(RestaurantFoodsFragment.newInstance(64), "FOOD");
+        adapter.addFrag(RestaurantDrinksFragment.newInstance(64), "DRINKS");
+        adapter.addFrag(RestaurantRatingsFragment.newInstance(64), "RATINGS");
+        viewPager.setAdapter(adapter);
     }
 
-    private class RestaurantPagerAdapter extends FragmentStatePagerAdapter {
-        RestaurantPagerAdapter(FragmentManager fm) {
-            super(fm);
+    private class RestaurantPagerAdapter extends FragmentPagerAdapter {
+        private final List<Fragment> mFragmentList = new ArrayList<>();
+        private final List<String> mFragmentTitleList = new ArrayList<>();
+
+        RestaurantPagerAdapter(FragmentManager manager) {
+            super(manager);
         }
 
         @NonNull
         @Override
         public Fragment getItem(int position) {
-            if (position == 0) {
-                return new RestaurantListFragment();
-            } else {
-                return new RestaurantMapFragment();
-            }
+            return mFragmentList.get(position);
         }
 
         @Override
         public int getCount() {
-            return NUM_PAGES;
+            return mFragmentList.size();
+        }
+
+        void addFrag(Fragment fragment, String title) {
+            mFragmentList.add(fragment);
+            mFragmentTitleList.add(title);
+        }
+
+        @Override
+        public CharSequence getPageTitle(int position) {
+            return mFragmentTitleList.get(position);
         }
     }
 }

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/fragments/RestaurantDrinksFragment.java

@@ -0,0 +1,67 @@
+package gr.auth.databases.flavours.activities.restaurant.fragments;
+
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.ArrayList;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.DividerItemDecoration;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import gr.auth.databases.flavours.R;
+import gr.auth.databases.flavours.base.BaseFragment;
+import gr.auth.databases.flavours.model.ItemSummary;
+
+public class RestaurantDrinksFragment extends BaseFragment {
+
+    public RestaurantDrinksFragment() {
+        // Required empty public constructor
+    }
+
+    private static final String RESTAURANT_ID = "RESTAURANT_ID";
+
+    private int restaurantId;
+
+    public static RestaurantDrinksFragment newInstance(int restaurantId) {
+        RestaurantDrinksFragment fragment = new RestaurantDrinksFragment();
+        Bundle args = new Bundle();
+        args.putInt(RESTAURANT_ID, restaurantId);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        assert getArguments() != null;
+        restaurantId = getArguments().getInt(RESTAURANT_ID);
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View rootView = inflater.inflate(R.layout.fragment_restaurant_items, container, false);
+
+        ArrayList<ItemSummary> drinks = new ArrayList<>();
+        drinks.add(new ItemSummary("White russian", ItemSummary.ItemType.DRINK));
+        drinks.add(new ItemSummary("Τσίπουρο Τσάπουρας", ItemSummary.ItemType.DRINK));
+
+        RestaurantItemAdapter itemAdapter = new RestaurantItemAdapter(fragmentInteractionListener, drinks);
+        RecyclerView mainContent = rootView.findViewById(R.id.restaurant_list);
+        mainContent.setAdapter(itemAdapter);
+        LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());
+        mainContent.setLayoutManager(layoutManager);
+        DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(mainContent.getContext(),
+                layoutManager.getOrientation());
+        mainContent.addItemDecoration(dividerItemDecoration);
+
+        return rootView;
+    }
+
+    public interface RestaurantDrinksFragmentInteractionListener extends FragmentInteractionListener {
+        void onRestaurantDrinksFragmentInteraction(ItemSummary foodSummary);
+    }
+}

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/fragments/RestaurantFoodsFragment.java

@@ -0,0 +1,66 @@
+package gr.auth.databases.flavours.activities.restaurant.fragments;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.ArrayList;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.DividerItemDecoration;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import gr.auth.databases.flavours.R;
+import gr.auth.databases.flavours.base.BaseFragment;
+import gr.auth.databases.flavours.model.ItemSummary;
+
+public class RestaurantFoodsFragment extends BaseFragment {
+
+    public RestaurantFoodsFragment() {
+        // Required empty public constructor
+    }
+
+    private static final String RESTAURANT_ID = "RESTAURANT_ID";
+
+    private int restaurantId;
+
+    public static RestaurantFoodsFragment newInstance(int restaurantId) {
+        RestaurantFoodsFragment fragment = new RestaurantFoodsFragment();
+        Bundle args = new Bundle();
+        args.putInt(RESTAURANT_ID, restaurantId);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        assert getArguments() != null;
+        restaurantId = getArguments().getInt(RESTAURANT_ID);
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View rootView = inflater.inflate(R.layout.fragment_restaurant_items, container, false);
+
+        ArrayList<ItemSummary> foods = new ArrayList<>();
+        foods.add(new ItemSummary("Γιουβαρλάκια", ItemSummary.ItemType.FOOD));
+        foods.add(new ItemSummary("Γεμιστά", ItemSummary.ItemType.FOOD));
+
+        RestaurantItemAdapter itemAdapter = new RestaurantItemAdapter(fragmentInteractionListener, foods);
+        RecyclerView mainContent = rootView.findViewById(R.id.restaurant_list);
+        mainContent.setAdapter(itemAdapter);
+        LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());
+        mainContent.setLayoutManager(layoutManager);
+        DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(mainContent.getContext(),
+                layoutManager.getOrientation());
+        mainContent.addItemDecoration(dividerItemDecoration);
+
+        return rootView;
+    }
+
+    public interface RestaurantFoodsFragmentInteractionListener extends FragmentInteractionListener {
+        void onRestaurantFoodsFragmentInteraction(ItemSummary foodSummary);
+    }
+}

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/fragments/RestaurantMapFragment.java → UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/fragments/RestaurantInfoFragment.java

@@ -1,30 +1,69 @@
 package gr.auth.databases.flavours.activities.restaurant.fragments;
 
-
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.TextView;
 
 import com.google.android.gms.maps.GoogleMap;
 import com.google.android.gms.maps.MapView;
 import com.google.android.gms.maps.OnMapReadyCallback;
 
 import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
 import gr.auth.databases.flavours.R;
+import gr.auth.databases.flavours.base.BaseFragment;
 
-public class RestaurantMapFragment extends Fragment implements OnMapReadyCallback {
+public class RestaurantInfoFragment extends BaseFragment implements OnMapReadyCallback {
     private MapView gMapView = null;
 
+    public RestaurantInfoFragment() {
+        // Required empty public constructor
+    }
+
+    private static final String RESTAURANT_ID = "RESTAURANT_ID";
+
+    private int restaurantId;
+
+    public static RestaurantInfoFragment newInstance(int restaurantId) {
+        RestaurantInfoFragment fragment = new RestaurantInfoFragment();
+        Bundle args = new Bundle();
+        args.putInt(RESTAURANT_ID, restaurantId);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        assert getArguments() != null;
+        restaurantId = getArguments().getInt(RESTAURANT_ID);
+    }
+
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.fragment_restaurant_map, container, false);
+        final View rootView = inflater.inflate(R.layout.fragment_restaurant_info, container, false);
+
+        TextView workingHours = rootView.findViewById(R.id.restaurant_working_hours);
+        workingHours.setText(getString(R.string.restaurant_working_hours,
+                "12:00", "01:30"));
+        TextView type = rootView.findViewById(R.id.restaurant_type);
+        type.setText(getString(R.string.restaurant_type, "Bar"));
+        TextView averageRatings = rootView.findViewById(R.id.restaurant_average_rating);
+        averageRatings.setText(getString(R.string.restaurant_average_rating, 4.78));
+
+        LinearLayout averageRatingPerDiet = rootView.findViewById(R.id.restaurant_average_rating_per_diet);
+        TextView dietRatingView = new TextView(getContext());
+        dietRatingView.setText(getString(R.string.restaurant_diet_average_rating, "όγκος", 4.65));
+        averageRatingPerDiet.addView(dietRatingView);
+        dietRatingView = new TextView(getContext());
+        dietRatingView.setText(getString(R.string.restaurant_diet_average_rating, "vegan", 2.23));
+        averageRatingPerDiet.addView(dietRatingView);
 
         gMapView = rootView.findViewById(R.id.restaurant_map);
         gMapView.getMapAsync(this);
         gMapView.onCreate(getArguments());
-
         return rootView;
     }
 

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/fragments/RestaurantItemAdapter.java

@@ -0,0 +1,69 @@
+package gr.auth.databases.flavours.activities.restaurant.fragments;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+
+import androidx.annotation.NonNull;
+import androidx.cardview.widget.CardView;
+import androidx.recyclerview.widget.RecyclerView;
+import gr.auth.databases.flavours.R;
+import gr.auth.databases.flavours.base.BaseFragment;
+import gr.auth.databases.flavours.model.ItemSummary;
+
+public class RestaurantItemAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private final RestaurantFoodsFragment.RestaurantFoodsFragmentInteractionListener interactionListener;
+    private final ArrayList<ItemSummary> items;
+
+    RestaurantItemAdapter(BaseFragment.FragmentInteractionListener interactionListener,
+                          ArrayList<ItemSummary> items) {
+        this.interactionListener = (RestaurantFoodsFragment.RestaurantFoodsFragmentInteractionListener) interactionListener;
+        this.items = items;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).
+                inflate(R.layout.restaurant_item_row, parent, false);
+        return new ItemViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull final RecyclerView.ViewHolder holder, int position) {
+        ItemSummary item = items.get(position);
+        ItemViewHolder itemViewHolder = (ItemViewHolder) holder;
+
+        itemViewHolder.card.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                if (interactionListener != null) {
+                    // Notify the active callbacks interface (the activity, if the
+                    // fragment is attached to one) that an item has been selected.
+                    interactionListener.onRestaurantFoodsFragmentInteraction(items.get(holder.getAdapterPosition()));
+                }
+            }
+        });
+        
+        itemViewHolder.item.setText(item.getItem());
+    }
+
+    @Override
+    public int getItemCount() {
+        return items == null ? 0 : items.size();
+    }
+
+    private static class ItemViewHolder extends RecyclerView.ViewHolder {
+        CardView card;
+        TextView item;
+
+        ItemViewHolder(View itemView) {
+            super(itemView);
+            card = itemView.findViewById(R.id.restaurant_item_row_card);
+            item = itemView.findViewById(R.id.restaurant_item_row_item);
+        }
+    }
+}

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/fragments/RestaurantListFragment.java

@@ -1,42 +0,0 @@
-package gr.auth.databases.flavours.activities.restaurant.fragments;
-
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-import gr.auth.databases.flavours.R;
-import gr.auth.databases.flavours.activities.restaurant.RestaurantAdapter;
-import gr.auth.databases.flavours.model.Rating;
-
-public class RestaurantListFragment extends Fragment {
-    private Rating[] ratings = new Rating[7];
-
-    @Override
-    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.fragment_restaurant_list, container, false);
-
-        RecyclerView recyclerView = rootView.findViewById(R.id.restaurant_recycler);
-        recyclerView.setHasFixedSize(true);
-        LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());
-        recyclerView.setLayoutManager(layoutManager);
-
-        ratings[0] = new Rating(5, "Ανώνυμος", "Πάρα πολύ καλό!", "2018-01-04", Rating.Accessibility.MODERATE);
-        ratings[1] = new Rating(5, "Ανύπαρκτος", "Εξαιρετικό service.\nΘα ξαναπάω!", "2018-06-08", Rating.Accessibility.EASY);
-        ratings[2] = new Rating(4, "Γαρδένιος ο Stoner", "-", "2018-06-08", Rating.Accessibility.EASY);
-        ratings[3] = new Rating(4, "Μαγκούστα", "Μου άρεσε.", "2018-06-08", Rating.Accessibility.MODERATE);
-        ratings[4] = new Rating(5, "Νταλίκας", "Τέλειο.", "2018-06-08", Rating.Accessibility.EASY);
-        ratings[5] = new Rating(2, "Ms Godzila", "Το φαϊ άργησε πάρα πολύ!", "2018-06-08", null);
-        ratings[6] = new Rating(4, "eddie lives inside you", "-", "2018-06-08", Rating.Accessibility.MODERATE);
-
-        RestaurantAdapter restaurantAdapter = new RestaurantAdapter(getContext(), ratings);
-        recyclerView.setAdapter(restaurantAdapter);
-
-        return rootView;
-    }
-}

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/RestaurantAdapter.java → UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/fragments/RestaurantRatingsAdapter.java

@@ -1,30 +1,31 @@
-package gr.auth.databases.flavours.activities.restaurant;
+package gr.auth.databases.flavours.activities.restaurant.fragments;
 
 import android.content.Context;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import java.util.ArrayList;
+
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 import gr.auth.databases.flavours.R;
 import gr.auth.databases.flavours.model.Rating;
 
-public class RestaurantAdapter extends RecyclerView.Adapter<RestaurantAdapter.RatingViewHolder> {
+public class RestaurantRatingsAdapter extends RecyclerView.Adapter<RestaurantRatingsAdapter.RatingViewHolder> {
     private Context context;
-    private Rating[] ratings;
+    private ArrayList<Rating> ratings;
 
-    public RestaurantAdapter(Context context, Rating[] ratings) {
+    RestaurantRatingsAdapter(Context context, ArrayList<Rating> ratings) {
         this.context = context;
         this.ratings = ratings;
     }
 
     @NonNull
     @Override
-    public RestaurantAdapter.RatingViewHolder onCreateViewHolder(@NonNull ViewGroup parent,
-                                                                 int viewType) {
+    public RestaurantRatingsAdapter.RatingViewHolder onCreateViewHolder(@NonNull ViewGroup parent,
+                                                                        int viewType) {
         View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.activity_restaurant_list_row,
                 parent, false);
         return new RatingViewHolder(v);
@@ -32,27 +33,26 @@ public class RestaurantAdapter extends RecyclerView.Adapter<RestaurantAdapter.Ra
 
     @Override
     public void onBindViewHolder(@NonNull RatingViewHolder holder, int position) {
-        Log.d("THISSSS", "" + position + ratings[position].getUsername());
-        holder.username.setText(ratings[position].getUsername());
-        holder.date.setText(ratings[position].getDate());
+        holder.username.setText(ratings.get(position).getUsername());
+        holder.date.setText(ratings.get(position).getDate());
 
         holder.grade.setText(context.getString(R.string.restaurant_row_grade_placeholder,
-                ratings[position].getGrade()));
+                ratings.get(position).getGrade()));
 
-        if (ratings[position].getAccessibility() != null) {
+        if (ratings.get(position).getAccessibility() != null) {
             holder.accessibility.setVisibility(View.VISIBLE);
             holder.accessibility.setText(context.getString(R.string.restaurant_row_accessibility_placeholder,
-                    ratings[position].getAccessibility().toString()));
+                    ratings.get(position).getAccessibility().toString()));
         } else {
             holder.accessibility.setVisibility(View.GONE);
         }
 
-        holder.text.setText(ratings[position].getText());
+        holder.text.setText(ratings.get(position).getText());
     }
 
     @Override
     public int getItemCount() {
-        return ratings.length;
+        return ratings == null ? 0 : ratings.size();
     }
 
     static class RatingViewHolder extends RecyclerView.ViewHolder {

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/activities/restaurant/fragments/RestaurantRatingsFragment.java

@@ -0,0 +1,67 @@
+package gr.auth.databases.flavours.activities.restaurant.fragments;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.ArrayList;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.DividerItemDecoration;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import gr.auth.databases.flavours.R;
+import gr.auth.databases.flavours.model.Rating;
+
+public class RestaurantRatingsFragment extends Fragment {
+
+    public RestaurantRatingsFragment() {
+        // Required empty public constructor
+    }
+
+    private static final String RESTAURANT_ID = "RESTAURANT_ID";
+
+    private int restaurantId;
+
+    public static RestaurantRatingsFragment newInstance(int restaurantId) {
+        RestaurantRatingsFragment fragment = new RestaurantRatingsFragment();
+        Bundle args = new Bundle();
+        args.putInt(RESTAURANT_ID, restaurantId);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        assert getArguments() != null;
+        restaurantId = getArguments().getInt(RESTAURANT_ID);
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View rootView = inflater.inflate(R.layout.fragment_restaurant_items, container, false);
+
+        ArrayList<Rating> ratings = new ArrayList<>();
+        ratings.add(new Rating(5, "Ανώνυμος", "Πάρα πολύ καλό!", "2018-01-04", Rating.Accessibility.MODERATE));
+        ratings.add(new Rating(5, "Ανύπαρκτος", "Εξαιρετικό service.\nΘα ξαναπάω!", "2018-06-08", Rating.Accessibility.EASY));
+        ratings.add(new Rating(4, "Γαρδένιος ο Stoner", "-", "2018-06-08", Rating.Accessibility.EASY));
+        ratings.add(new Rating(4, "Μαγκούστα", "Μου άρεσε.", "2018-06-08", Rating.Accessibility.MODERATE));
+        ratings.add(new Rating(5, "Νταλίκας", "Τέλειο.", "2018-06-08", Rating.Accessibility.EASY));
+        ratings.add(new Rating(2, "Ms Godzila", "Το φαϊ άργησε πάρα πολύ!", "2018-06-08", null));
+        ratings.add(new Rating(4, "eddie lives inside you", "-", "2018-06-08", Rating.Accessibility.MODERATE));
+
+        RestaurantRatingsAdapter itemAdapter = new RestaurantRatingsAdapter(getContext(), ratings);
+        RecyclerView mainContent = rootView.findViewById(R.id.restaurant_list);
+        mainContent.setAdapter(itemAdapter);
+        LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());
+        mainContent.setLayoutManager(layoutManager);
+        DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(mainContent.getContext(),
+                layoutManager.getOrientation());
+        mainContent.addItemDecoration(dividerItemDecoration);
+
+        return rootView;
+    }
+}

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/base/BaseFragment.java

@@ -0,0 +1,53 @@
+package gr.auth.databases.flavours.base;
+
+import android.content.Context;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import okhttp3.OkHttpClient;
+
+public abstract class BaseFragment extends Fragment {
+    protected static final String ARG_SECTION_NUMBER = "SectionNumber";
+    protected static final String ARG_TAG = "FragmentTAG";
+
+    protected FragmentInteractionListener fragmentInteractionListener;
+
+    protected static OkHttpClient client;
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        //int sectionNumber = getArguments().getInt(ARG_SECTION_NUMBER);
+        if (client == null)
+            client = BaseApplication.getInstance().getClient(); //must check every time - e.g.
+        // becomes null when app restarts after crash
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        /*if (context instanceof FragmentInteractionListener) {
+            fragmentInteractionListener = (FragmentInteractionListener) context;
+
+        } else {
+            throw new RuntimeException(context.toString()
+                    + " must implement OnFragmentInteractionListener");
+        }*/
+    }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+        fragmentInteractionListener = null;
+    }
+
+    /**
+     * This interface MUST be extended by the fragment subclass AND implemented by
+     * the activity that contains it, to allow communication upon interaction,
+     * between the fragment and the activity/ other fragments
+     */
+    public interface FragmentInteractionListener {
+    }
+}

UI/AndroidApp/flavoursWithoutBorders/app/src/main/java/gr/auth/databases/flavours/model/ItemSummary.java

@@ -0,0 +1,23 @@
+package gr.auth.databases.flavours.model;
+
+public class ItemSummary {
+    public enum ItemType {
+        FOOD, DRINK
+    }
+
+    private String item;
+    private ItemType type;
+
+    public ItemSummary(String item, ItemType type) {
+        this.item = item;
+        this.type = type;
+    }
+
+    public String getItem() {
+        return item;
+    }
+
+    public ItemType getType() {
+        return type;
+    }
+}

UI/AndroidApp/flavoursWithoutBorders/app/src/main/res/layout/activity_restaurant.xml

@@ -10,55 +10,26 @@
         android:id="@+id/restaurant_appbar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:theme="@style/Theme.AppCompat.Light">
+        android:paddingTop="@dimen/appbar_padding_top"
+        android:theme="@style/ToolbarTheme">
 
         <androidx.appcompat.widget.Toolbar
             android:id="@+id/restaurant_toolbar"
             android:layout_width="match_parent"
             android:layout_height="?attr/actionBarSize"
             android:background="?attr/colorPrimary"
-            app:popupTheme="@style/Theme.AppCompat.Light"
-            app:title="@string/restaurant_toolbar_title" />
+            android:gravity="center"
+            app:popupTheme="@style/ToolbarTheme"/>
 
-        <!--<android.support.design.widget.CollapsingToolbarLayout
-            android:id="@+id/restaurant_collapsing"
+        <com.google.android.material.tabs.TabLayout
+            android:id="@+id/restaurant_tabs"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:fitsSystemWindows="true"
-            app:contentScrim="?attr/colorPrimary"
-            app:expandedTitleMarginEnd="64dp"
-            app:expandedTitleMarginStart="48dp"
-            app:layout_scrollFlags="scroll|exitUntilCollapsed">-->
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:layout_marginStart="16dp"
-            android:layout_marginEnd="16dp"
-            android:orientation="horizontal"
-            app:layout_collapseMode="parallax">
-
-            <TextView
-                android:id="@+id/add_restaurant_working_hours"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/restaurant_working_hours"
-                android:textColor="@color/colorAccent"
-                app:layout_scrollFlags="enterAlways" />
-
-            <TextView
-                android:id="@+id/add_restaurant_type"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_gravity="end"
-                android:layout_weight="1"
-                android:gravity="end"
-                android:text="@string/restaurant_type"
-                android:textColor="@color/colorAccent"
-                app:layout_scrollFlags="enterAlways" />
-        </LinearLayout>
-        <!--</android.support.design.widget.CollapsingToolbarLayout>-->
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            app:tabGravity="fill"
+            app:tabMode="fixed"
+            app:tabSelectedTextColor="@color/accent"
+            app:tabTextColor="@color/iron" />
     </com.google.android.material.appbar.AppBarLayout>
 
     <androidx.viewpager.widget.ViewPager

UI/AndroidApp/flavoursWithoutBorders/app/src/main/res/layout/fragment_restaurant_info.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/restaurant_working_hours"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/restaurant_working_hours" />
+
+    <TextView
+        android:id="@+id/restaurant_type"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:text="@string/restaurant_type" />
+
+    <TextView
+        android:id="@+id/restaurant_average_rating"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:text="@string/restaurant_average_rating" />
+
+    <LinearLayout
+        android:id="@+id/restaurant_average_rating_per_diet"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:orientation="vertical"
+        android:visibility="gone" />
+
+    <com.google.android.gms.maps.MapView
+        android:id="@+id/restaurant_map"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginTop="6dp"
+        android:layout_marginBottom="12dp"
+        android:layout_weight="1" />
+</LinearLayout>

UI/AndroidApp/flavoursWithoutBorders/app/src/main/res/layout/fragment_restaurant_list.xml → UI/AndroidApp/flavoursWithoutBorders/app/src/main/res/layout/fragment_restaurant_items.xml

@@ -1,10 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.recyclerview.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/restaurant_recycler"
+    android:id="@+id/restaurant_list"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content"
+    android:layout_height="match_parent"
     android:layout_marginStart="12dp"
     android:layout_marginEnd="12dp"
-    android:orientation="vertical"
-    app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+    android:orientation="vertical" />

UI/AndroidApp/flavoursWithoutBorders/app/src/main/res/layout/fragment_restaurant_map.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<com.google.android.gms.maps.MapView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/restaurant_map"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent" />

UI/AndroidApp/flavoursWithoutBorders/app/src/main/res/layout/restaurant_item_row.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:card_view="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/restaurant_item_row_card"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center"
+    android:layout_marginStart="8dp"
+    android:layout_marginEnd="8dp"
+    android:foreground="?android:attr/selectableItemBackground"
+    card_view:cardCornerRadius="5dp"
+    card_view:cardElevation="2dp"
+    card_view:cardPreventCornerOverlap="false"
+    card_view:cardUseCompatPadding="true">
+
+    <TextView
+        android:id="@+id/restaurant_item_row_item"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+</androidx.cardview.widget.CardView>

UI/AndroidApp/flavoursWithoutBorders/app/src/main/res/values/dimens.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="appbar_padding_top">8dp</dimen>
+</resources>

UI/AndroidApp/flavoursWithoutBorders/app/src/main/res/values/strings.xml

@@ -44,8 +44,10 @@
 
     <!-- Restaurant -->
     <string name="restaurant_toolbar_title">Restaurant Name</string>
-    <string name="restaurant_working_hours">Working hours</string>
-    <string name="restaurant_type">Restaurant type</string>
+    <string name="restaurant_working_hours">Working hours: %1$s - %2$s</string>
+    <string name="restaurant_type">Restaurant type: %1$s</string>
+    <string name="restaurant_average_rating">Restaurant average rating: %1$f</string>
+    <string name="restaurant_diet_average_rating">Restaurant average rating for diet %1$s: %2$f</string>
     <string name="restaurant_row_grade_placeholder">Grade = %1$d/5</string>
     <string name="restaurant_row_accessibility_placeholder">Accessibility = %1$s</string>
 

UI/AndroidApp/flavoursWithoutBorders/app/src/main/res/values/styles.xml

@@ -7,4 +7,9 @@
         <item name="colorAccent">@color/colorAccent</item>
     </style>
 
+    <style name="ToolbarTheme" parent="ThemeOverlay.AppCompat.Light">
+        <item name="android:textColorPrimary">@android:color/white</item>
+        <item name="android:colorBackground">@color/colorPrimary</item>
+        <item name="colorControlNormal">@android:color/white</item>
+    </style>
 </resources>