diff --git a/app/src/main/java/ru/volgorobot/vrcatalog/additional/FullscreenImagePagerAdapter.java b/app/src/main/java/ru/volgorobot/vrcatalog/additional/adapters/FullscreenImagePagerAdapter.java
similarity index 94%
rename from app/src/main/java/ru/volgorobot/vrcatalog/additional/FullscreenImagePagerAdapter.java
rename to app/src/main/java/ru/volgorobot/vrcatalog/additional/adapters/FullscreenImagePagerAdapter.java
index b237edf..49e5aac 100644
--- a/app/src/main/java/ru/volgorobot/vrcatalog/additional/FullscreenImagePagerAdapter.java
+++ b/app/src/main/java/ru/volgorobot/vrcatalog/additional/adapters/FullscreenImagePagerAdapter.java
@@ -1,4 +1,4 @@
-package ru.volgorobot.vrcatalog.additional;
+package ru.volgorobot.vrcatalog.additional.adapters;
 
 import android.content.Context;
 import android.support.annotation.NonNull;
@@ -16,7 +16,7 @@ import com.squareup.picasso.Picasso;
 
 public class FullscreenImagePagerAdapter extends PagerAdapter {
     /**
-     * This class is designed to control the ViewPager (images of item) in the activity of viewing details of items (DetailActivity).
+     * This class is designed to control the ViewPager (images of item) in FullscreenImageActivity.
      */
 
     private Context context;
@@ -64,6 +64,9 @@ public class FullscreenImagePagerAdapter extends PagerAdapter {
         container.removeView((View) object);
     }
 
+    /**
+     * Listener for hiding the actionbar when you click on the picture
+     */
     private class PhotoTapListener implements OnPhotoTapListener, View.OnSystemUiVisibilityChangeListener {
         @Override
         public void onPhotoTap(ImageView view, float x, float y) {
diff --git a/app/src/main/java/ru/volgorobot/vrcatalog/additional/ImagePagerAdapter.java b/app/src/main/java/ru/volgorobot/vrcatalog/additional/adapters/ImagePagerAdapter.java
similarity index 98%
rename from app/src/main/java/ru/volgorobot/vrcatalog/additional/ImagePagerAdapter.java
rename to app/src/main/java/ru/volgorobot/vrcatalog/additional/adapters/ImagePagerAdapter.java
index befb9fb..506f8eb 100644
--- a/app/src/main/java/ru/volgorobot/vrcatalog/additional/ImagePagerAdapter.java
+++ b/app/src/main/java/ru/volgorobot/vrcatalog/additional/adapters/ImagePagerAdapter.java
@@ -1,4 +1,4 @@
-package ru.volgorobot.vrcatalog.additional;
+package ru.volgorobot.vrcatalog.additional.adapters;
 
 import android.content.Context;
 import android.content.Intent;
diff --git a/app/src/main/java/ru/volgorobot/vrcatalog/additional/PropertiesListAdapter.java b/app/src/main/java/ru/volgorobot/vrcatalog/additional/adapters/PropertiesListAdapter.java
similarity index 96%
rename from app/src/main/java/ru/volgorobot/vrcatalog/additional/PropertiesListAdapter.java
rename to app/src/main/java/ru/volgorobot/vrcatalog/additional/adapters/PropertiesListAdapter.java
index 15941d7..d4dcb8e 100644
--- a/app/src/main/java/ru/volgorobot/vrcatalog/additional/PropertiesListAdapter.java
+++ b/app/src/main/java/ru/volgorobot/vrcatalog/additional/adapters/PropertiesListAdapter.java
@@ -1,4 +1,4 @@
-package ru.volgorobot.vrcatalog.additional;
+package ru.volgorobot.vrcatalog.additional.adapters;
 
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/app/src/main/java/ru/volgorobot/vrcatalog/presenters/ItemPresenter.java b/app/src/main/java/ru/volgorobot/vrcatalog/presenters/ItemPresenter.java
index 0c898b6..8bcdb04 100644
--- a/app/src/main/java/ru/volgorobot/vrcatalog/presenters/ItemPresenter.java
+++ b/app/src/main/java/ru/volgorobot/vrcatalog/presenters/ItemPresenter.java
@@ -22,9 +22,6 @@ import ru.volgorobot.vrcatalog.model.CoreModel;
 import ru.volgorobot.vrcatalog.model.ImageItemModel;
 
 public class ItemPresenter implements MainContract.ItemPresenter {
-
-    // TODO
-
     private MainContract.ItemView mView;
     private Context context;
     private MainContract.MainModel coreModel;
diff --git a/app/src/main/java/ru/volgorobot/vrcatalog/view/DetailActivity.java b/app/src/main/java/ru/volgorobot/vrcatalog/view/DetailActivity.java
index 8a007d0..98b3870 100644
--- a/app/src/main/java/ru/volgorobot/vrcatalog/view/DetailActivity.java
+++ b/app/src/main/java/ru/volgorobot/vrcatalog/view/DetailActivity.java
@@ -10,9 +10,6 @@ import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.util.Log;
 import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ListAdapter;
 import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -22,8 +19,8 @@ import java.util.LinkedHashMap;
 import ru.volgorobot.vrcatalog.presenters.ItemPresenter;
 import ru.volgorobot.vrcatalog.MainContract;
 import ru.volgorobot.vrcatalog.R;
-import ru.volgorobot.vrcatalog.additional.ImagePagerAdapter;
-import ru.volgorobot.vrcatalog.additional.PropertiesListAdapter;
+import ru.volgorobot.vrcatalog.additional.adapters.ImagePagerAdapter;
+import ru.volgorobot.vrcatalog.additional.adapters.PropertiesListAdapter;
 
 public class DetailActivity extends AppCompatActivity implements MainContract.ItemView {
     private MainContract.ItemPresenter mPresenter;
diff --git a/app/src/main/java/ru/volgorobot/vrcatalog/view/FullScreenImageActivity.java b/app/src/main/java/ru/volgorobot/vrcatalog/view/FullScreenImageActivity.java
index ff9cacd..a897e65 100644
--- a/app/src/main/java/ru/volgorobot/vrcatalog/view/FullScreenImageActivity.java
+++ b/app/src/main/java/ru/volgorobot/vrcatalog/view/FullScreenImageActivity.java
@@ -15,7 +15,7 @@ import android.view.Window;
 import android.view.WindowManager;
 
 import ru.volgorobot.vrcatalog.R;
-import ru.volgorobot.vrcatalog.additional.FullscreenImagePagerAdapter;
+import ru.volgorobot.vrcatalog.additional.adapters.FullscreenImagePagerAdapter;
 
 public class FullScreenImageActivity extends AppCompatActivity {
     private Toolbar mToolbar;