Pic loading func, some animation

.idea/misc.xml

@@ -37,7 +37,7 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/src/main/AndroidManifest.xml

@@ -2,6 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="hikapro.com.backpack">
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
     <application
         android:name=".App"

app/src/main/java/hikapro/com/backpack/MainActivity.java

@@ -132,7 +132,7 @@ public class MainActivity extends Activity implements View.ActivityCallback {
         presenter.setModel(model);
         model.setPresenter(presenter);
 
-        replaceFragment(view, false, SetListFragment.class.getName());
+        replaceFragment(view, false, SetListFragment.class.getName(), false, false);
         stateMaintainer.put(presenter);
         stateMaintainer.put(model);
 
@@ -150,7 +150,7 @@ public class MainActivity extends Activity implements View.ActivityCallback {
         presenter.setModel(model);
         model.setPresenter(presenter);
 
-        replaceFragment(view, true, ItemListFragment.class.getName());
+        replaceFragment(view, true, ItemListFragment.class.getName(), true, true);
 
         stateMaintainer.put(presenter);
         stateMaintainer.put(model);
@@ -168,14 +168,21 @@ public class MainActivity extends Activity implements View.ActivityCallback {
         presenter.setModel(model);
         model.setPresenter(presenter);
 
-        replaceFragment(view, true, ItemDetailFragment.class.getName());
+        replaceFragment(view, true, ItemDetailFragment.class.getName(), true, true);
 
         stateMaintainer.put(presenter);
         stateMaintainer.put(model);
     }
 
-    private void replaceFragment(Fragment fragment, boolean addBackStack, String tag) {
+    private void replaceFragment(Fragment fragment, boolean addBackStack, String tag,
+                                 boolean transition, boolean x) {
         FragmentTransaction transaction = fragmentManager.beginTransaction();
+        if (transition) {
+            if (x)
+                transaction.setCustomAnimations(R.animator.slide_in_left, R.animator.slide_out_right,
+                        R.animator.slide_in_right, R.animator.slide_out_left);
+        }
+
         transaction.replace(R.id.container, fragment, tag);
         if (addBackStack)
             transaction.addToBackStack(null);

app/src/main/java/hikapro/com/backpack/model/DetailModel.java

@@ -1,8 +1,15 @@
 package hikapro.com.backpack.model;
 
+import android.graphics.Bitmap;
 import android.os.Message;
 
+import java.util.List;
+
+import hikapro.com.backpack.model.dao.Command;
+import hikapro.com.backpack.model.dao.DAO;
+import hikapro.com.backpack.model.dao.Event;
 import hikapro.com.backpack.model.entities.Item;
+import hikapro.com.backpack.model.entities.Set;
 import hikapro.com.backpack.presenter.Presenter;
 
 /**
@@ -12,9 +19,12 @@ public class DetailModel implements Model.Detail {
 
     private Presenter.ItemDetail    presenter;
     private Item                    item;
+    private DAO                     dao;
+    private Bitmap                  pic;
 
     public DetailModel() {
-
+        this.dao = DAO.getInstance();
+        dao.registerObserver(this);
     }
 
     // detail -->
@@ -28,6 +38,10 @@ public class DetailModel implements Model.Detail {
         return item;
     }
 
+    @Override
+    public Bitmap getPicture() {
+        return pic;
+    }
     // detail <--
 
     // events -->
@@ -52,7 +66,14 @@ public class DetailModel implements Model.Detail {
     // process -->
     @Override
     public void executeQuery() {
+
         notifyDataSetChanged();
+        Message command;
+        command = Message.obtain();
+        command.what = Command.ITEM_GET_IMAGE;
+        command.arg1 = item.getId();
+        dao.executeCommand(command);
+
     }
     // process <--
 
@@ -61,7 +82,6 @@ public class DetailModel implements Model.Detail {
     public void setPresenter(Presenter.ItemDetail presenter) {
         this.presenter  = presenter;
         this.item       = presenter.getCurrentItem();
-
     }
 
     @Override
@@ -72,5 +92,14 @@ public class DetailModel implements Model.Detail {
     @Override
     public void onEvent(Message event) {
 
+        switch (event.what) {
+            case Event.ITEM_IMAGE_LOAD_ERROR :
+                break;
+            case Event.ITEM_IMAGE_LOAD_COMPLETED :
+                pic = (Bitmap) event.obj;
+                notifyDataSetChanged();
+                break;
+        }
+
     }
 }

app/src/main/java/hikapro/com/backpack/model/ItemModel.java

@@ -208,7 +208,6 @@ public class ItemModel implements Model.Item {
             command.what = Command.SET_GET_ITEMS;
             command.arg1 = presenter.getCurrentSet().getId();
             dao.executeCommand(command);
-
         }
     }
     @Override

app/src/main/java/hikapro/com/backpack/model/Model.java

@@ -1,5 +1,6 @@
 package hikapro.com.backpack.model;
 
+import android.graphics.Bitmap;
 import android.os.Message;
 
 import java.util.List;
@@ -54,6 +55,7 @@ public interface Model {
     interface Detail extends Base {
         int getCount();
         hikapro.com.backpack.model.entities.Item findItem(int id);
+        Bitmap getPicture();
         void setPresenter(Presenter.ItemDetail presenter);
         Presenter.ItemDetail getPresenter();
 

app/src/main/java/hikapro/com/backpack/model/dao/Command.java

@@ -19,6 +19,7 @@ public interface Command {
     int ITEM_PACK               = 0x7A;
     int ITEM_UNPACK             = 0x7B;
     int ITEM_GET_CATEGORIES     = 0x7C;
+    int ITEM_GET_IMAGE          = 0x7D;
 
     int MY_LIST_POST            = 0x8C;
     int MY_LIST_ITEM_ADD        = 0x8D;

app/src/main/java/hikapro/com/backpack/model/dao/DAO.java

@@ -5,6 +5,8 @@ import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteException;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
@@ -108,6 +110,7 @@ public class DAO {
 
         SetTask     setTask;
         ItemTask    itemTask;
+        ImageProviderTask imageProviderTask;
 
         if (command != null) {
             switch (command.what) {
@@ -170,6 +173,16 @@ public class DAO {
                     threadPool.execute(itemTask);
                     break;
 
+                case Command.ITEM_GET_IMAGE :
+                    Item item = findItem(command.arg1);
+                    if (item != null) {
+                        imageProviderTask = new ImageProviderTask(Command.ITEM_GET_IMAGE,
+                                Process.THREAD_PRIORITY_DEFAULT);
+                        imageProviderTask.item = item;
+                        threadPool.execute(imageProviderTask);
+                    }
+                    break;
+
                 case Command.MY_LIST_ITEM_ADD :
                     break;
 
@@ -320,13 +333,48 @@ public class DAO {
         db.close();
         return ret;
     }
+
+    private Item findItem(int id) {
+        Item ret = null;
+        Cursor cursor = null;
+        SQLiteDatabase db = null;
+        try {
+            db = getReadDB();
+            String query = String.format("SELECT * FROM %s a WHERE a.%s = %d LIMIT 1",
+                    Db.ItemsTable.TABLE_NAME, Db.ItemsTable.COLUMN_ID, id);
+            cursor = db.rawQuery(query, null);
+            if (cursor.moveToNext()) {
+                ret = Db.ItemsTable.parseCursor(cursor);
+            }
+        } catch (Exception e) {
+        //TODO write to log here
+        } finally {
+            if (cursor != null)
+                cursor.close();
+            if (db != null)
+                db.close();
+        }
+        return ret;
+    }
+
     private List<Item> readItems(int setId) {
         List<Item> ret = new ArrayList<>(256);
         Cursor cursor = null;
         SQLiteDatabase db = null;
         Item item;
         String query = String.format(
-                "SELECT * FROM %s a INNER JOIN %s b ON a.%s = b.%s WHERE b.%s = ? AND b.%s <> 1 AND b.%s <> 1",
+                "SELECT a.%s, a.%s, a.%s, a.%s, a.%s, a.%s, a.%s, a.%s, a.%s FROM %s a INNER JOIN %s b ON a.%s = b.%s WHERE b.%s = ? AND b.%s <> 1 AND b.%s <> 1",
+
+                Db.ItemsTable.COLUMN_ID,
+                Db.ItemsTable.COLUMN_NAME,
+                Db.ItemsTable.COLUMN_CATEGORY,
+                Db.ItemsTable.COLUMN_DESCRIPTION,
+                Db.ItemsTable.COLUMN_BUY_URLS,
+                Db.ItemsTable.COLUMN_PHOTO_URL,
+                Db.ItemsTable.COLUMN_PHOTO_THUMB_URL,
+                Db.ItemsTable.COLUMN_PHOTO_LOCAL,
+                Db.ItemsTable.COLUMN_PHOTO_THUMB_LOCAL,
+
                 Db.ItemsTable.TABLE_NAME,
                 Db.SetItemsTable.TABLE_NAME,
                 Db.ItemsTable.COLUMN_ID,
@@ -421,6 +469,32 @@ public class DAO {
         return ret;
     }
     // updates
+    private int updateItemLocalPic(int id, String path) {
+        int ret = 0;
+        SQLiteDatabase db = null;
+        ContentValues values;
+        try {
+            db = getWriteDB();
+            db.beginTransaction();
+            values = new ContentValues();
+            values.put(Db.ItemsTable.COLUMN_PHOTO_LOCAL, path);
+            ret = db.update(Db.ItemsTable.TABLE_NAME, values, "_id = ?",
+                    new String[]{String.valueOf(id)});
+            db.setTransactionSuccessful();
+        } catch (SQLiteException e) {
+            //TODO write to log here
+
+        } catch (Exception e) {
+            //TODO write to log here
+        } finally {
+            if (db != null) {
+                db.endTransaction();
+                db.close();
+            }
+        }
+        return ret;
+    }
+
     private int updateSetsOrder(List<Set> reorderedSet) {
         int ret = 0;
         SQLiteDatabase db = null;
@@ -738,7 +812,67 @@ public class DAO {
             }
         }
     }
+    // IMAGE PROVIDER CLASS
+    private class ImageProviderTask implements Runnable {
+        int currentCommand;
+        int priority;
+        Item item;
+
+
+        public ImageProviderTask(int command, int priority) {
+            this.currentCommand = command;
+            this.priority       = priority;
+        }
+
+        @Override
+        public void run() {
+            android.os.Process.setThreadPriority(priority);
+            Message message = Message.obtain();
+            switch (currentCommand) {
+
+                case Command.ITEM_GET_IMAGE :
+                    try {
+                        Bitmap bitmap = loadItemImage(item);
+                        if (bitmap != null) {
+                            message.what = Event.ITEM_IMAGE_LOAD_COMPLETED;
+                            message.obj = bitmap;
+                        }
+                        else
+                            message.what = Event.ITEM_IMAGE_LOAD_ERROR;
+                    } catch (Exception e) {
+                        message.what = Event.ITEM_IMAGE_LOAD_ERROR;
+                    }
+                    break;
+            }
+            handler.sendMessage(message);
+        }
+    }
     //endregion
 
+    private Bitmap loadItemImage(Item item){
+        ImageDownloadHelper downloadHelper = new ImageDownloadHelper();
+        Bitmap bitmap   = null;
+        String filename = null;
+
+        if (item != null) {
+            bitmap = BitmapFactory.decodeFile(item.getPhotoLocal());
+            // cannot retrieve, download and save then
+            if (bitmap == null) { // return it
+                bitmap = downloadHelper.loadImage(item.getPhotoUrl());
+                if (bitmap != null) {
+                    if (downloadHelper.isExternalStorageWritable()) {
+                        filename = downloadHelper.saveImageExternal(
+                                downloadHelper.generateFileName(item.getPhotoUrl()), bitmap);
+                    } else {
+                        filename = downloadHelper.saveImageInternal(
+                                downloadHelper.generateFileName(item.getPhotoUrl()), bitmap);
+                    }
+                    updateItemLocalPic(item.getId(), filename);
+                }
+            }
+        }
+        return bitmap;
+    }
+
 
 }

app/src/main/java/hikapro/com/backpack/model/dao/Db.java

@@ -96,8 +96,9 @@ public class Db {
                 values.put(COLUMN_PHOTO_URL, item.getPhotoUrl());
             if (item.getPhotoThumbUrl() != null)
                 values.put(COLUMN_PHOTO_THUMB_URL, item.getPhotoThumbUrl());
+            if (item.getPhotoLocal() != null)
+                values.put(COLUMN_PHOTO_LOCAL, item.getPhotoLocal());
             /*
-            values.put(COLUMN_PHOTO_LOCAL, );
             values.put(COLUMN_PHOTO_THUMB_LOCAL, item.getName());
             */
             return values;
@@ -120,6 +121,7 @@ public class Db {
             }
             item.setPhotoUrl(cursor.getString(cursor.getColumnIndexOrThrow(COLUMN_PHOTO_URL)));
             item.setPhotoThumbUrl(cursor.getString(cursor.getColumnIndexOrThrow(COLUMN_PHOTO_THUMB_URL)));
+            item.setPhotoLocal(cursor.getString(cursor.getColumnIndexOrThrow(COLUMN_PHOTO_LOCAL)));
             return item;
         }
 

app/src/main/java/hikapro/com/backpack/model/dao/Event.java

@@ -25,6 +25,7 @@ public interface Event {
     int ITEM_PACK_ERROR             = -0x17;
     int ITEM_UNPACK_ERROR           = -0x18;
     int ITEM_CATEGORY_LOAD_ERROR    = -0x19;
+    int ITEM_IMAGE_LOAD_ERROR       = -0x1A;
 
     int ITEM_FROM_SET_DELETED       = 0x14;
     int ITEM_INSERTED               = 0x15;
@@ -32,6 +33,8 @@ public interface Event {
     int ITEM_PACKED                 = 0x17;
     int ITEM_UNPACKED               = 0x18;
     int ITEM_CATEGORY_LOAD_COMPLETED    = 0x19;
+    int ITEM_IMAGE_LOAD_COMPLETED   = 0x1A;
+
 
     int MY_LIST_POST_ERROR          = -0x28;
     int MY_LIST_ITEM_ADD_ERROR      = -0x29;

app/src/main/java/hikapro/com/backpack/model/dao/ImageDownloadHelper.java

@@ -0,0 +1,145 @@
+package hikapro.com.backpack.model.dao;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.os.Environment;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLConnection;
+
+import hikapro.com.backpack.App;
+
+/**
+ * Created by tariel on 04/05/16.
+ */
+public class ImageDownloadHelper {
+
+    public static final String ITEMS_TAG = "items";
+    private Context context;
+
+    public ImageDownloadHelper() {
+        this.context = App.getAppContext();
+    }
+
+    public Bitmap loadImage(String netPath) {
+        Bitmap bitmap = null;
+        try {
+            URL url = new URL(netPath);
+            URLConnection conn = url.openConnection();
+            bitmap = BitmapFactory.decodeStream(conn.getInputStream());
+        } catch (Exception ex) {
+            Log.e(ITEMS_TAG, " File cannot be downloaded");
+        }
+        return bitmap;
+    }
+
+    public boolean existsExternal(String filename) {
+        boolean ret = false;
+        if (isExternalStorageReadable()) {
+            File directory = getDir();
+            File file = new File(directory.getAbsoluteFile(), filename);
+            ret = file.exists();
+        }
+        return ret;
+    }
+    public boolean existsInternal(String filename) {
+        boolean ret = false;
+        File file = createTempFile(filename);
+        if (file != null) {
+            ret = file.exists();
+        }
+        return ret;
+    }
+
+    private File createTempFile(String fileName) {
+        File file = null;
+        try {
+            file = File.createTempFile(fileName, null, context.getCacheDir());
+        }  catch (IOException e) {
+            Log.e(ITEMS_TAG, " Cannot obtain temp file");
+        }
+        return file;
+    }
+
+    public String generateFileName(String netPath) {
+        String ret = "";
+        if (netPath != null && !netPath.isEmpty()) {
+            ret = Uri.parse(netPath).getLastPathSegment();
+        }
+        return ret;
+    }
+
+    public String saveImageInternal(String filename, Bitmap bitmap) {
+        File file = null;
+        FileOutputStream outputStream;
+        if (bitmap != null && !filename.isEmpty()) {
+            file = createTempFile(filename);
+            if (file != null) {
+                try {
+                    outputStream = new FileOutputStream(file);
+                    bitmap.compress(Bitmap.CompressFormat.JPEG, 90, outputStream);
+                    outputStream.flush();
+                    outputStream.close();
+                } catch (Exception e) {
+                    Log.e(ITEMS_TAG, " File cannot be saved");
+                }
+            }
+        }
+        return file != null ? file.getAbsolutePath() : null;
+    }
+
+    public String saveImageExternal(String filename, Bitmap bitmap) {
+        File file = null;
+        FileOutputStream outputStream;
+        if (isExternalStorageWritable()) {
+            if (bitmap != null && !filename.isEmpty()) {
+                File directory = getDir();
+                file = new File(directory.getAbsoluteFile(), filename);
+                try {
+                    outputStream = new FileOutputStream(file);
+                    bitmap.compress(Bitmap.CompressFormat.JPEG, 90, outputStream);
+                    outputStream.flush();
+                    outputStream.close();
+                } catch (Exception e) {
+                    Log.e(ITEMS_TAG, " File cannot be saved");
+                }
+            }
+        }
+        return file != null ? file.getAbsolutePath() : null;
+    }
+
+    /* Checks if external storage is available for read and write */
+    public boolean isExternalStorageWritable() {
+        String state = Environment.getExternalStorageState();
+        if (Environment.MEDIA_MOUNTED.equals(state)) {
+            return true;
+        }
+        return false;
+    }
+
+    /* Checks if external storage is available to at least read */
+    public boolean isExternalStorageReadable() {
+        String state = Environment.getExternalStorageState();
+        if (Environment.MEDIA_MOUNTED.equals(state) ||
+                Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
+            return true;
+        }
+        return false;
+    }
+
+    private File getDir() {
+        // Get the directory for the app's private pictures directory.
+        File file = new File(context.getExternalFilesDir(
+                Environment.DIRECTORY_PICTURES), ITEMS_TAG);
+        if (!file.mkdirs()) {
+            Log.e(ITEMS_TAG, " Directory not created");
+        }
+        return file;
+    }
+}

app/src/main/java/hikapro/com/backpack/model/entities/Item.java

@@ -34,6 +34,8 @@ public class Item implements Comparable<Item>, Serializable {
     @Expose
     private String photoThumbUrl;
 
+    private String photoLocal;
+
     public Item() {
     }
 
@@ -104,6 +106,14 @@ public class Item implements Comparable<Item>, Serializable {
         this.photoThumbUrl = photoThumbUrl;
     }
 
+    public String getPhotoLocal() {
+        return photoLocal;
+    }
+
+    public void setPhotoLocal(String photoLocal) {
+        this.photoLocal = photoLocal;
+    }
+
     @Override
     public int hashCode() {
         int result = name != null ? name.hashCode() : 0;

app/src/main/java/hikapro/com/backpack/presenter/ItemDetailPresenter.java

@@ -1,6 +1,7 @@
 package hikapro.com.backpack.presenter;
 
 import android.content.Context;
+import android.graphics.Bitmap;
 import android.os.Bundle;
 import android.support.v7.widget.DefaultItemAnimator;
 import android.support.v7.widget.LinearLayoutManager;
@@ -60,35 +61,6 @@ public class ItemDetailPresenter implements Presenter.ItemDetail {
     }
     // life cycle <--
 
-    // recycler -->
-
-    @Override
-    public int getItemsCount() {
-        return model.getCount();
-    }
-    @Override
-    public void bindViewHolder(DetailViewHolder holder, int position) {
-        hikapro.com.backpack.model.entities.Item item = model.findItem(position);
-        holder.title.setText(item.getName());
-        holder.description.setText(item.getDescription());
-        holder.title.setOnClickListener(new android.view.View.OnClickListener() {
-            @Override
-            public void onClick(android.view.View view) {
-                showMessage("On detail click");
-            }
-        });
-    }
-    @Override
-    public DetailViewHolder createViewHolder(ViewGroup parent, int viewType) {
-        DetailViewHolder viewHolder;
-        android.view.View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_detail,
-                parent, false);
-        viewHolder = new DetailViewHolder(v);
-        return viewHolder;
-    }
-
-    // recycler <--
-
     // process -->
 
     @Override
@@ -110,6 +82,11 @@ public class ItemDetailPresenter implements Presenter.ItemDetail {
         this.model = model;
     }
 
+    @Override
+    public Model.Detail getModel() {
+        return model;
+    }
+
     @Override
     public Item getCurrentItem() {
         return item;
@@ -136,6 +113,11 @@ public class ItemDetailPresenter implements Presenter.ItemDetail {
         Toast.makeText(getView().getAppContext(), message, Toast.LENGTH_SHORT).show();
     }
 
+    @Override
+    public void displayPicture(Bitmap bitmap) {
+
+
+    }
     // other impl <--
 
     private View.ItemDetail getView() throws NullPointerException {

app/src/main/java/hikapro/com/backpack/presenter/ItemListPresenter.java

@@ -51,9 +51,11 @@ public class ItemListPresenter implements Presenter.ItemList {
     }
     @Override
     public android.view.View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        /*
+
         if (savedInstanceState != null)
-            set = (Set) savedInstanceState.getSerializable(BUNDLE_SET_LIST_KEY);*/
+            set = (Set) savedInstanceState.getSerializable(BUNDLE_SET_LIST_KEY);
+        else
+            set = getView().getSet();
         android.view.View view = inflater.inflate(R.layout.fragment_item_list, container, false);
         LinearLayoutManager llm = new LinearLayoutManager(getActivityContext());
         recycler = (RecyclerView) view.findViewById(R.id.items_recycler);

app/src/main/java/hikapro/com/backpack/presenter/Presenter.java

@@ -1,6 +1,7 @@
 package hikapro.com.backpack.presenter;
 
 import android.content.Context;
+import android.graphics.Bitmap;
 import android.os.Bundle;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
@@ -59,15 +60,14 @@ public interface Presenter {
     interface ItemDetail extends Base {
         void setView(hikapro.com.backpack.view.View.ItemDetail view);
         void setModel(Model.Detail model);
+        Model.Detail getModel();
         void notifyDataSetChanged();
         void showMessage(String message);
-        int getItemsCount();
-        void bindViewHolder(DetailViewHolder holder, int position);
-        DetailViewHolder createViewHolder(ViewGroup parent, int viewType);
         void onDestroy(boolean isChangingConfiguration);
         android.view.View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState);
         void onSaveInstanceState(Bundle outState);
         Item getCurrentItem();
+        void displayPicture(Bitmap bitmap);
 
 
     }

app/src/main/java/hikapro/com/backpack/presenter/adapters/ItemDetailAdapter.java

@@ -1,8 +1,12 @@
 package hikapro.com.backpack.presenter.adapters;
 
+import android.graphics.Bitmap;
 import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
 import android.view.ViewGroup;
 
+import hikapro.com.backpack.R;
+import hikapro.com.backpack.model.Model;
 import hikapro.com.backpack.presenter.Presenter;
 import hikapro.com.backpack.view.recycler.DetailViewHolder;
 
@@ -12,7 +16,6 @@ import hikapro.com.backpack.view.recycler.DetailViewHolder;
 public class ItemDetailAdapter extends RecyclerView.Adapter<DetailViewHolder> {
 
     private Presenter.ItemDetail presenter;
-    private int itemId;
 
     public ItemDetailAdapter(Presenter.ItemDetail presenter) {
         this.presenter = presenter;
@@ -20,21 +23,33 @@ public class ItemDetailAdapter extends RecyclerView.Adapter<DetailViewHolder> {
 
     @Override
     public int getItemCount() {
-        return presenter.getItemsCount();
+        return presenter.getModel().getCount();
     }
 
     @Override
     public void onBindViewHolder(DetailViewHolder holder, int position) {
-        presenter.bindViewHolder(holder, position);
+        hikapro.com.backpack.model.entities.Item item = presenter.getModel().findItem(position);
-
+        holder.title.setText(item.getName());
+        holder.description.setText(item.getDescription());
+        Bitmap bitmap = presenter.getModel().getPicture();
+        if (bitmap != null)
+            holder.photo.setImageBitmap(bitmap);
+        holder.title.setOnClickListener(new android.view.View.OnClickListener() {
+            @Override
+            public void onClick(android.view.View view) {
+                presenter.showMessage("On detail click");
+            }
+        });
     }
 
     @Override
     public DetailViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        return presenter.createViewHolder(parent, viewType);
+        DetailViewHolder viewHolder;
+        android.view.View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_detail,
+                parent, false);
+        viewHolder = new DetailViewHolder(v);
+        return viewHolder;
     }
 
-    public void setItemId(int id) {
+
-        this.itemId = id;
-    }
 }

app/src/main/java/hikapro/com/backpack/view/fragments/ItemDetailFragment.java

@@ -71,52 +71,52 @@ public class ItemDetailFragment extends Fragment implements hikapro.com.backpack
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        View view = presenter.onCreateView(inflater, container, savedInstanceState);
         presenter.setView(this);
-        Log.i(this.toString(), "onCreateView");
+        View view = presenter.onCreateView(inflater, container, savedInstanceState);
+        Log.i(this.toString(), " onCreateView");
         return view;
     }
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
-        Log.i(this.toString(), "onActivityCreated");
+        Log.i(this.toString(), " onActivityCreated");
     }
     @Override
     public void onStart() {
         super.onStart();
-        Log.i(this.toString(), "onStart");
+        Log.i(this.toString(), " onStart");
     }
     @Override
     public void onResume() {
         super.onResume();
-        Log.i(this.toString(), "onResume");
+        Log.i(this.toString(), " onResume");
     }
     @Override
     public void onStop() {
         super.onStop();
-        Log.i(this.toString(), "onStop");
+        Log.i(this.toString(), " onStop");
     }
     @Override
     public void onDestroyView() {
         super.onDestroyView();
         presenter.onDestroy(true); // TODO isChangingConfigurations
-        Log.i(this.toString(), "onDestroyView");
+        Log.i(this.toString(), " onDestroyView");
     }
     @Override
     public void onDestroy() {
         super.onDestroy();
         presenter.onDestroy(false); // TODO isChangingConfigurations
-        Log.i(this.toString(), "onDestroy");
+        Log.i(this.toString(), " onDestroy");
     }
     @Override
     public void onDetach() {
         super.onDetach();
-        Log.i(this.toString(), "onDetach");
+        Log.i(this.toString(), " onDetach");
     }
     @Override
     public void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
-        Log.i(this.toString(), "onSaveInstanceState");
+        Log.i(this.toString(), " onSaveInstanceState");
     }
 
     // life cycle <--

app/src/main/java/hikapro/com/backpack/view/fragments/ItemListFragment.java

@@ -150,6 +150,7 @@ public class ItemListFragment extends Fragment implements hikapro.com.backpack.v
     @Override
     public void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
+        presenter.onSaveInstanceState(outState);
         Log.i(this.toString(), "onSaveInstanceState");
     }
 

app/src/main/res/animator/slide_in_left.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:duration="500"
+        android:propertyName="x"
+        android:valueFrom="1000"
+        android:valueTo="0"
+        android:valueType="floatType" />
+
+</set>

app/src/main/res/animator/slide_in_right.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:duration="500"
+        android:propertyName="x"
+        android:valueFrom="-1000"
+        android:valueTo="0"
+        android:valueType="floatType" />
+
+</set>

app/src/main/res/animator/slide_out_left.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:duration="500"
+        android:propertyName="x"
+        android:valueFrom="0"
+        android:valueTo="1000"
+        android:valueType="floatType" />
+
+</set>

app/src/main/res/animator/slide_out_right.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:duration="500"
+        android:propertyName="x"
+        android:valueFrom="0"
+        android:valueTo="-1000"
+        android:valueType="floatType" />
+
+</set>