Added search.

.idea/gradle.xml

@@ -3,6 +3,9 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <compositeConfiguration>
+          <compositeBuild compositeDefinitionSource="SCRIPT" />
+        </compositeConfiguration>
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="modules">

.idea/render.experimental.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RenderSettings">
+    <option name="showDecorations" value="true" />
+  </component>
+</project>

app/src/main/AndroidManifest.xml

@@ -23,7 +23,22 @@
         </activity>
         <activity android:name=".view.SettingsActivity" />
         <activity android:name=".view.AboutActivity" />
-        <activity android:name=".view.DetailActivity"></activity>
+        <activity android:name=".view.DetailActivity" />
+        <activity
+            android:name=".view.SearchableActivity"
+            android:label="Поиск"
+            android:parentActivityName="ru.volgorobot.vrcatalog.view.MainActivity">
+            <!-- Parent activity meta-data to support 4.0 and lower -->
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value="ru.volgorobot.vrcatalog.view.MainActivity" />
+            <!-- meta tag and intent filter go into results activity -->
+            <meta-data android:name="android.app.searchable"
+                android:resource="@xml/searchable" />
+            <intent-filter>
+                <action android:name="android.intent.action.SEARCH" />
+            </intent-filter>
+        </activity>
     </application>
 
 </manifest>

app/src/main/java/ru/volgorobot/vrcatalog/MainContract.java

@@ -43,5 +43,18 @@ public interface MainContract {
         ArrayList<DetailModel> fetchDetailByID(int detailID) throws NetworkErrorException, NullPointerException;
         void reinitializeApi() throws IllegalStateException;
         boolean getApiState();
+        ArrayList<ThirdLevelModel> fetchDetailsByName(String name) throws NetworkErrorException, NullPointerException;
+        ArrayList<FirstLevelModel> fetchCategoryByID(int id) throws NetworkErrorException, NullPointerException;
+        ArrayList<SecondLevelModel> fetchSubCategoryByID(int id) throws NetworkErrorException, NullPointerException;
+    }
+
+    interface SearchablePresenter {
+        void fetchDetailsTreeByName(String name);
+    }
+
+    interface SearchableActivityView {
+        void setTreeViewChildren(ArrayList<TreeNode> children);
+        void onFailureAnswer(int errorCode);
+        void swipeLayoutSetRefreshing(boolean state);
     }
 }

app/src/main/java/ru/volgorobot/vrcatalog/SearchablePresenter.java

@@ -0,0 +1,219 @@
+package ru.volgorobot.vrcatalog;
+
+import android.content.Context;
+import android.os.AsyncTask;
+
+import java.util.ArrayList;
+import java.util.concurrent.ExecutionException;
+
+import me.texy.treeview.TreeNode;
+import ru.volgorobot.vrcatalog.additional.NetworkErrorException;
+import ru.volgorobot.vrcatalog.additional.ResultWithErrorCode;
+import ru.volgorobot.vrcatalog.model.CoreModel;
+import ru.volgorobot.vrcatalog.model.FirstLevelModel;
+import ru.volgorobot.vrcatalog.model.SecondLevelModel;
+import ru.volgorobot.vrcatalog.model.ThirdLevelModel;
+
+public class SearchablePresenter implements MainContract.SearchablePresenter {
+    private MainContract.SearchableActivityView mView;
+    private MainContract.MainModel coreModel;
+
+    public SearchablePresenter(MainContract.SearchableActivityView mView, Context context) {
+        this.mView = mView;
+        this.coreModel = new CoreModel(context);
+    }
+
+    @Override
+    public void fetchDetailsTreeByName(String name) {
+        ArrayList<FirstLevelModel> categories = new ArrayList<>();
+        ArrayList<SecondLevelModel> subcategories = new ArrayList<>();
+        ArrayList<ThirdLevelModel> details = new ArrayList<>();
+
+        try {
+            FetchDetailsByNameTask fetchDetailsByNameTask = new FetchDetailsByNameTask();
+            FetchCategoryByIDTask fetchCategoryByIDTask = new FetchCategoryByIDTask();
+            FetchSubCategoryByIDTask fetchSubCategoryByIDTask = new FetchSubCategoryByIDTask();
+
+            details.addAll(new FetchDetailsByNameTask().execute(name).get().getData());
+            for (int i = 0; i < details.size(); i++) {
+                subcategories.add(new FetchSubCategoryByIDTask().execute(details.get(i).getDetailSubTypeId()).get().getData());
+            }
+            for (int i = 0; i < subcategories.size(); i++) {
+                categories.add(new FetchCategoryByIDTask().execute(subcategories.get(i).getDetailTypeId()).get().getData());
+            }
+        } catch (ExecutionException e) {
+            //
+        } catch (InterruptedException e) {
+            //
+        }
+
+        new AsyncTask<Void, Void, ArrayList<TreeNode>>() {
+            @Override
+            protected ArrayList<TreeNode> doInBackground(Void... voids) {
+                ArrayList<TreeNode> treeNodes = new ArrayList<>();
+                for (int i = 0; i < categories.size(); i++) {
+                    treeNodes.add(new TreeNode(categories.get(i)));
+                    ArrayList<SecondLevelModel> secondLevelModels = getSecondModelsByCategoryID(subcategories, categories.get(i).getID());
+                    for (int j = 0; j < secondLevelModels.size(); j++) {
+                        treeNodes.get(i).addChild(new TreeNode(secondLevelModels.get(j)));
+                    }
+                    ArrayList<TreeNode> subnodes = (ArrayList<TreeNode>) treeNodes.get(i).getChildren();
+                    for (int j = 0; j < subnodes.size(); j++) {
+                        ArrayList<ThirdLevelModel> thirdLevelModels = getDetailsByCategoryID(details, ((SecondLevelModel) subnodes.get(j).getValue()).getID());
+                        for (int k = 0; k < thirdLevelModels.size(); k++) {
+                            subnodes.get(j).addChild(new TreeNode(thirdLevelModels.get(k)));
+                        }
+                    }
+                }
+                return treeNodes;
+            }
+
+            @Override
+            protected void onPostExecute(ArrayList<TreeNode> treeNodes) {
+                super.onPostExecute(treeNodes);
+                mView.setTreeViewChildren(treeNodes);
+                mView.swipeLayoutSetRefreshing(false);
+            }
+        }.execute();
+    }
+
+    private ArrayList<SecondLevelModel> getSecondModelsByCategoryID(ArrayList<SecondLevelModel> secondLevelModels, int id) {
+        ArrayList<SecondLevelModel> secondLevelModelsByCategoryID = new ArrayList<>();
+        for (int i = 0; i < secondLevelModels.size(); i++) {
+            if(secondLevelModels.get(i).getDetailTypeId() == id)
+                secondLevelModelsByCategoryID.add(secondLevelModels.get(i));
+        }
+        
+        return secondLevelModelsByCategoryID;
+    }
+
+    private ArrayList<ThirdLevelModel> getDetailsByCategoryID(ArrayList<ThirdLevelModel> thirdLevelModels, int id) {
+        ArrayList<ThirdLevelModel> thirdLevelModelsBySubcategoryID = new ArrayList<>();
+        for (int i = 0; i < thirdLevelModels.size(); i++) {
+            if(thirdLevelModels.get(i).getDetailSubTypeId() == id)
+                thirdLevelModelsBySubcategoryID.add(thirdLevelModels.get(i));
+        }
+
+        return thirdLevelModelsBySubcategoryID;
+    }
+
+    class FetchDetailsByNameTask extends AsyncTask<String, Void, ResultWithErrorCode<ArrayList<ThirdLevelModel>>> {
+        @Override
+        protected void onPreExecute() {
+            super.onPreExecute();
+            mView.swipeLayoutSetRefreshing(true);
+        }
+
+        @Override
+        protected ResultWithErrorCode<ArrayList<ThirdLevelModel>> doInBackground(String... strings) {
+            ArrayList<ThirdLevelModel> details = new ArrayList<>();
+            try {
+                details.addAll(coreModel.fetchDetailsByName(strings[0]));
+            } catch (NetworkErrorException networkErrorException) {
+                return new ResultWithErrorCode<>(details, networkErrorException.getErrorCode());
+            } catch (NullPointerException nullPointerException) {
+                return new ResultWithErrorCode<>(details, 3);
+            }
+            return new ResultWithErrorCode<>(details, 0);
+        }
+
+        @Override
+        protected void onPostExecute(ResultWithErrorCode<ArrayList<ThirdLevelModel>> result) {
+            super.onPostExecute(result);
+            switch (result.getErrorCode()) {
+                case 0: {
+                    //
+                    break;
+                }
+                case 1: {
+                    mView.onFailureAnswer(1);
+                    break;
+                }
+                case 2: {
+                    mView.onFailureAnswer(2);
+                    break;
+                }
+                case 3: {
+                    mView.onFailureAnswer(3);
+                    break;
+                }
+            }
+        }
+    }
+
+    class FetchCategoryByIDTask extends AsyncTask<Integer, Void, ResultWithErrorCode<FirstLevelModel>> {
+        @Override
+        protected ResultWithErrorCode<FirstLevelModel> doInBackground(Integer... integers) {
+            FirstLevelModel firstLevelModel;
+            try {
+                firstLevelModel = coreModel.fetchCategoryByID(integers[0]).get(0);
+            } catch (NetworkErrorException networkErrorException) {
+                return new ResultWithErrorCode<>(null, networkErrorException.getErrorCode());
+            } catch (NullPointerException nullPointerException) {
+                return new ResultWithErrorCode<>(null, 3);
+            }
+            return new ResultWithErrorCode<>(firstLevelModel, 0);
+        }
+
+        @Override
+        protected void onPostExecute(ResultWithErrorCode<FirstLevelModel> result) {
+            super.onPostExecute(result);
+            switch (result.getErrorCode()) {
+                case 0: {
+                    // Nothing to do.
+                    break;
+                }
+                case 1: {
+                    mView.onFailureAnswer(1);
+                    break;
+                }
+                case 2: {
+                    mView.onFailureAnswer(2);
+                    break;
+                }
+                case 3: {
+                    mView.onFailureAnswer(3);
+                    break;
+                }
+            }
+        }
+    }
+
+    class FetchSubCategoryByIDTask extends AsyncTask<Integer, Void, ResultWithErrorCode<SecondLevelModel>> {
+        @Override
+        protected ResultWithErrorCode<SecondLevelModel> doInBackground(Integer... integers) {
+            SecondLevelModel secondLevelModel;
+            try {
+                secondLevelModel = coreModel.fetchSubCategoryByID(integers[0]).get(0);
+            } catch (NetworkErrorException networkErrorException) {
+                return new ResultWithErrorCode<>(null, networkErrorException.getErrorCode());
+            } catch (NullPointerException nullPointerException) {
+                return new ResultWithErrorCode<>(null, 3);
+            }
+            return new ResultWithErrorCode<>(secondLevelModel, 0);
+        }
+
+        @Override
+        protected void onPostExecute(ResultWithErrorCode<SecondLevelModel> result) {
+            super.onPostExecute(result);
+            switch (result.getErrorCode()) {
+                case 0: {
+                    // Nothing to do.
+                    break;
+                }
+                case 1: {
+                    mView.onFailureAnswer(1);
+                    break;
+                }
+                case 2: {
+                    mView.onFailureAnswer(2);
+                    break;
+                }
+                case 3: {
+                    mView.onFailureAnswer(3);
+                    break;
+                }
+            }
+        }
+    }
+}

app/src/main/java/ru/volgorobot/vrcatalog/ViewBinderPresenter.java

@@ -9,6 +9,7 @@ import java.util.ArrayList;
 import me.texy.treeview.TreeNode;
 import ru.volgorobot.vrcatalog.additional.NetworkErrorException;
 import ru.volgorobot.vrcatalog.additional.ResultWithErrorCode;
+import ru.volgorobot.vrcatalog.model.CoreModel;
 import ru.volgorobot.vrcatalog.model.DetailModel;
 import ru.volgorobot.vrcatalog.model.FirstLevelModel;
 import ru.volgorobot.vrcatalog.model.SecondLevelModel;
@@ -21,15 +22,9 @@ public class ViewBinderPresenter implements MainContract.ViewBinderPresenter {
     private MainContract.ViewBinder viewBinder;
     private Context context;
 
-    public ViewBinderPresenter(MainContract.MainActivityView mView, MainContract.MainModel coreModel, MainContract.ViewBinder viewBinder) {
+    public ViewBinderPresenter(MainContract.MainActivityView mView, MainContract.ViewBinder viewBinder, Context context) {
         this.mView = mView;
-        this.coreModel = coreModel;
-        this.viewBinder = viewBinder;
-    }
-
-    public ViewBinderPresenter(MainContract.MainActivityView mView, MainContract.MainModel coreModel, MainContract.ViewBinder viewBinder, Context context) {
-        this.mView = mView;
-        this.coreModel = coreModel;
+        this.coreModel = new CoreModel(context);
         this.viewBinder = viewBinder;
         this.context = context;
     }

app/src/main/java/ru/volgorobot/vrcatalog/additional/NodeViewFactory.java

@@ -26,11 +26,11 @@ public class NodeViewFactory extends BaseNodeViewFactory {
     public BaseNodeViewBinder getNodeViewBinder(View view, int level) {
         switch (level) {
             case 0:
-                return new FirstLevelNodeViewBinder(view, context, mView, coreModel);
+                return new FirstLevelNodeViewBinder(view, mView, context);
             case 1:
-                return new SecondLevelNodeViewBinder(view, context, mView, coreModel);
+                return new SecondLevelNodeViewBinder(view, mView, context);
             case 2:
-                return new ThirdLevelNodeViewBinder(view, context, mView, coreModel);
+                return new ThirdLevelNodeViewBinder(view, context, mView);
             default:
                 return null;
         }

app/src/main/java/ru/volgorobot/vrcatalog/additional/SearchableNodeViewFactory.java

@@ -0,0 +1,35 @@
+package ru.volgorobot.vrcatalog.additional;
+
+import android.content.Context;
+import android.view.View;
+
+import me.texy.treeview.base.BaseNodeViewBinder;
+import me.texy.treeview.base.BaseNodeViewFactory;
+import ru.volgorobot.vrcatalog.MainContract;
+import ru.volgorobot.vrcatalog.nodeViewBinders.ThirdLevelNodeViewBinder;
+import ru.volgorobot.vrcatalog.searchNodeViewBinders.SecondLevelNodeViewBinder;
+import ru.volgorobot.vrcatalog.searchNodeViewBinders.FirstLevelNodeViewBinder;
+
+public class SearchableNodeViewFactory extends BaseNodeViewFactory {
+    private Context context;
+    private MainContract.MainActivityView mView;
+
+    public SearchableNodeViewFactory(Context context, MainContract.MainActivityView mView) {
+        this.context = context;
+        this.mView = mView;
+    }
+
+    @Override
+    public BaseNodeViewBinder getNodeViewBinder(View view, int level) {
+        switch (level) {
+            case 0:
+                return new FirstLevelNodeViewBinder(view);
+            case 1:
+                return new SecondLevelNodeViewBinder(view);
+            case 2:
+                return new ThirdLevelNodeViewBinder(view, context, mView);
+            default:
+                return null;
+        }
+    }
+}

app/src/main/java/ru/volgorobot/vrcatalog/api/VRApi.java

@@ -23,4 +23,13 @@ public interface VRApi {
 
     @GET("/API/Api.php?action=getDetailByID")
     Call<List<DetailModel>> getDetailByID(@Query("detailID") int detailID);
+
+    @GET("/API/Api.php?action=getCategoryByID")
+    Call<List<FirstLevelModel>> getCategoryByID(@Query("id") int id);
+
+    @GET("/API/Api.php?action=getSubCategoryByID")
+    Call<List<SecondLevelModel>> getSubCategoryByID(@Query("id") int id);
+
+    @GET("/API/Api.php?action=getDetailsByName")
+    Call<List<ThirdLevelModel>> getDetailsByName(@Query("name") String name);
 }

app/src/main/java/ru/volgorobot/vrcatalog/model/CoreModel.java

@@ -125,4 +125,61 @@ public class CoreModel implements MainContract.MainModel {
             return false;
         }
     }
+
+    @Override
+    public ArrayList<ThirdLevelModel> fetchDetailsByName(String name) throws NetworkErrorException, NullPointerException {
+        if(vrApi == null) {
+            throw new NullPointerException();
+        }
+        final ArrayList<ThirdLevelModel> thirdLevelModels = new ArrayList<>();
+        try {
+            Response<List<ThirdLevelModel>> response = vrApi.getDetailsByName(name).execute();
+            if(response.isSuccessful()) {
+                thirdLevelModels.addAll(response.body());
+            } else {
+                throw new NetworkErrorException(2);
+            }
+        } catch (IOException e) {
+            throw new NetworkErrorException(1);
+        }
+        return thirdLevelModels;
+    }
+
+    @Override
+    public ArrayList<FirstLevelModel> fetchCategoryByID(int id) throws NetworkErrorException, NullPointerException {
+        if(vrApi == null) {
+            throw new NullPointerException();
+        }
+        final ArrayList<FirstLevelModel> firstLevelModels = new ArrayList<>();
+        try {
+            Response<List<FirstLevelModel>> response = vrApi.getCategoryByID(id).execute();
+            if(response.isSuccessful()) {
+                firstLevelModels.addAll(response.body());
+            } else {
+                throw new NetworkErrorException(2);
+            }
+        } catch (IOException e) {
+            throw new NetworkErrorException(1);
+        }
+        return firstLevelModels;
+    }
+
+    @Override
+    public ArrayList<SecondLevelModel> fetchSubCategoryByID(int id) throws NetworkErrorException, NullPointerException {
+        if(vrApi == null) {
+            throw new NullPointerException();
+        }
+        final ArrayList<SecondLevelModel> secondLevelModels = new ArrayList<>();
+        try {
+            Response<List<SecondLevelModel>> response = vrApi.getSubCategoryByID(id).execute();
+            if(response.isSuccessful()) {
+                secondLevelModels.addAll(response.body());
+            } else {
+                throw new NetworkErrorException(2);
+            }
+        } catch (IOException e) {
+            throw new NetworkErrorException(1);
+        }
+        return secondLevelModels;
+    }
 }

app/src/main/java/ru/volgorobot/vrcatalog/nodeViewBinders/FirstLevelNodeViewBinder.java

@@ -17,11 +17,11 @@ public class FirstLevelNodeViewBinder extends BaseNodeViewBinder implements Main
     ImageView imageView;
     ViewBinderPresenter viewBinderPresenter;
 
-    public FirstLevelNodeViewBinder(View itemView, Context context, MainContract.MainActivityView mView, MainContract.MainModel coreModel) {
+    public FirstLevelNodeViewBinder(View itemView, MainContract.MainActivityView mView, Context context) {
         super(itemView);
         textView = (TextView) itemView.findViewById(R.id.node_name_view);
         imageView = (ImageView) itemView.findViewById(R.id.arrow_img);
-        viewBinderPresenter = new ViewBinderPresenter(mView, coreModel, this);
+        viewBinderPresenter = new ViewBinderPresenter(mView, this, context);
     }
 
     @Override

app/src/main/java/ru/volgorobot/vrcatalog/nodeViewBinders/SecondLevelNodeViewBinder.java

@@ -10,7 +10,6 @@ import me.texy.treeview.base.BaseNodeViewBinder;
 import ru.volgorobot.vrcatalog.MainContract;
 import ru.volgorobot.vrcatalog.R;
 import ru.volgorobot.vrcatalog.ViewBinderPresenter;
-import ru.volgorobot.vrcatalog.model.CoreModel;
 import ru.volgorobot.vrcatalog.model.SecondLevelModel;
 
 public class SecondLevelNodeViewBinder extends BaseNodeViewBinder implements MainContract.ViewBinder {
@@ -19,11 +18,11 @@ public class SecondLevelNodeViewBinder extends BaseNodeViewBinder implements Mai
     MainContract.ViewBinderPresenter viewBinderPresenter;
 
 
-    public SecondLevelNodeViewBinder(View itemView, Context context, MainContract.MainActivityView mView, CoreModel coreModel) {
+    public SecondLevelNodeViewBinder(View itemView, MainContract.MainActivityView mView, Context context) {
         super(itemView);
         textView = (TextView) itemView.findViewById(R.id.node_name_view);
         imageView = (ImageView) itemView.findViewById(R.id.arrow_img);
-        viewBinderPresenter = new ViewBinderPresenter(mView, coreModel, this);
+        viewBinderPresenter = new ViewBinderPresenter(mView, this, context);
     }
 
     @Override

app/src/main/java/ru/volgorobot/vrcatalog/nodeViewBinders/ThirdLevelNodeViewBinder.java

@@ -9,16 +9,15 @@ import me.texy.treeview.base.BaseNodeViewBinder;
 import ru.volgorobot.vrcatalog.MainContract;
 import ru.volgorobot.vrcatalog.R;
 import ru.volgorobot.vrcatalog.ViewBinderPresenter;
-import ru.volgorobot.vrcatalog.model.CoreModel;
 import ru.volgorobot.vrcatalog.model.ThirdLevelModel;
 
 public class ThirdLevelNodeViewBinder extends BaseNodeViewBinder implements MainContract.ViewBinder {
     TextView textView;
     MainContract.ViewBinderPresenter viewBinderPresenter;
 
-    public ThirdLevelNodeViewBinder(View itemView, Context context, MainContract.MainActivityView mView, CoreModel coreModel) {
+    public ThirdLevelNodeViewBinder(View itemView, Context context, MainContract.MainActivityView mView) {
         super(itemView);
-        viewBinderPresenter = new ViewBinderPresenter(mView, coreModel, this, context);
+        viewBinderPresenter = new ViewBinderPresenter(mView, this, context);
         textView = itemView.findViewById(R.id.node_name_view);
     }
 

app/src/main/java/ru/volgorobot/vrcatalog/searchNodeViewBinders/FirstLevelNodeViewBinder.java

@@ -0,0 +1,39 @@
+package ru.volgorobot.vrcatalog.searchNodeViewBinders;
+
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import me.texy.treeview.TreeNode;
+import me.texy.treeview.base.BaseNodeViewBinder;
+import ru.volgorobot.vrcatalog.R;
+
+public class FirstLevelNodeViewBinder extends BaseNodeViewBinder {
+    TextView textView;
+    ImageView imageView;
+
+    public FirstLevelNodeViewBinder(View itemView) {
+        super(itemView);
+        textView = (TextView) itemView.findViewById(R.id.node_name_view);
+        imageView = (ImageView) itemView.findViewById(R.id.arrow_img);
+    }
+
+    @Override
+    public int getLayoutId() {
+        return R.layout.first_level_item;
+    }
+
+    @Override
+    public void bindView(TreeNode treeNode) {
+        textView.setText(treeNode.getValue().toString());
+    }
+
+    @Override
+    public void onNodeToggled(TreeNode treeNode, boolean expand) {
+        if(expand) {
+            imageView.animate().rotation(90).setDuration(200).start();
+        } else {
+            imageView.animate().rotation(0).setDuration(200).start();
+        }
+    }
+}

app/src/main/java/ru/volgorobot/vrcatalog/searchNodeViewBinders/SecondLevelNodeViewBinder.java

@@ -0,0 +1,39 @@
+package ru.volgorobot.vrcatalog.searchNodeViewBinders;
+
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import me.texy.treeview.TreeNode;
+import me.texy.treeview.base.BaseNodeViewBinder;
+import ru.volgorobot.vrcatalog.R;
+
+public class SecondLevelNodeViewBinder extends BaseNodeViewBinder {
+    TextView textView;
+    ImageView imageView;
+
+    public SecondLevelNodeViewBinder(View itemView) {
+        super(itemView);
+        textView = (TextView) itemView.findViewById(R.id.node_name_view);
+        imageView = (ImageView) itemView.findViewById(R.id.arrow_img);
+    }
+
+    @Override
+    public int getLayoutId() {
+        return R.layout.second_level_item;
+    }
+
+    @Override
+    public void bindView(TreeNode treeNode) {
+        textView.setText(treeNode.getValue().toString());
+    }
+
+    @Override
+    public void onNodeToggled(TreeNode treeNode, boolean expand) {
+        if(expand) {
+            imageView.animate().rotation(90).setDuration(200).start();
+        } else {
+            imageView.animate().rotation(0).setDuration(200).start();
+        }
+    }
+}

app/src/main/java/ru/volgorobot/vrcatalog/view/MainActivity.java

@@ -1,16 +1,23 @@
 package ru.volgorobot.vrcatalog.view;
 
+import android.app.SearchManager;
+import android.content.ComponentName;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.design.widget.NavigationView;
 import android.support.v4.view.GravityCompat;
+import android.support.v4.view.MenuItemCompat;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.app.ActionBarDrawerToggle;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.DefaultItemAnimator;
+import android.support.v7.widget.SearchView;
 import android.support.v7.widget.Toolbar;
 import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.ViewGroup;
 import android.widget.Toast;
@@ -155,6 +162,19 @@ public class MainActivity extends AppCompatActivity
     public void startActivityByIntent(Intent intent) {
         startActivity(intent);
     }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.main, menu);
+
+        SearchView search = (SearchView) MenuItemCompat.getActionView(menu.findItem(R.id.action_search));
+        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
+        search.setSearchableInfo(searchManager.getSearchableInfo(new ComponentName(this, SearchableActivity.class)));
+        search.setQueryHint("Имя детали");
+        return true;
+    }
+
 }
 
 

app/src/main/java/ru/volgorobot/vrcatalog/view/SearchableActivity.java

@@ -0,0 +1,117 @@
+package ru.volgorobot.vrcatalog.view;
+
+import android.app.SearchManager;
+import android.content.Intent;
+import android.support.v4.widget.SwipeRefreshLayout;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.support.v7.widget.DefaultItemAnimator;
+import android.util.Log;
+import android.view.MenuItem;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+
+import me.texy.treeview.TreeNode;
+import me.texy.treeview.TreeView;
+import ru.volgorobot.vrcatalog.MainContract;
+import ru.volgorobot.vrcatalog.R;
+import ru.volgorobot.vrcatalog.SearchablePresenter;
+import ru.volgorobot.vrcatalog.additional.NodeViewFactory;
+import ru.volgorobot.vrcatalog.additional.SearchableNodeViewFactory;
+import ru.volgorobot.vrcatalog.model.FirstLevelModel;
+
+public class SearchableActivity extends AppCompatActivity implements MainContract.SearchableActivityView, MainContract.MainActivityView, SwipeRefreshLayout.OnRefreshListener {
+    private SearchablePresenter searchablePresenter;
+    private SwipeRefreshLayout mSwipeRefreshLayout;
+    private String detailName;
+    private TreeView treeView;
+    private TreeNode rootNode = TreeNode.root();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_searchable);
+        searchablePresenter = new SearchablePresenter(this, SearchableActivity.this);
+
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setHomeButtonEnabled(true);
+
+        mSwipeRefreshLayout = findViewById(R.id.searchableSwipeRefreshLayout);
+        mSwipeRefreshLayout.setOnRefreshListener(SearchableActivity.this);
+        mSwipeRefreshLayout.setColorSchemeResources(R.color.colorPrimary);
+
+        treeView = new TreeView(rootNode, SearchableActivity.this, new SearchableNodeViewFactory(SearchableActivity.this, this));
+        treeView.setItemAnimator(new DefaultItemAnimator());
+        ((ViewGroup) findViewById(R.id.searchableTreeViewContainer)).addView(treeView.getView());
+        Intent intent = getIntent();
+        if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
+            detailName = intent.getStringExtra(SearchManager.QUERY);
+            searchablePresenter.fetchDetailsTreeByName(detailName);
+        }
+    }
+
+    @Override
+    public void setTreeViewChildren(ArrayList<TreeNode> children) {
+        rootNode.setChildren(children);
+        treeView.refreshTreeView();
+    }
+
+    public void onFailureAnswer(int errorCode) {
+        switch (errorCode) {
+            case 1: {
+                Toast.makeText(SearchableActivity.this, "Ошибка сети. Проверьте подключение к сети или данные подключения к API!", Toast.LENGTH_LONG).show();
+                Log.e("VRCatalog", "Network Error! Re-check your connection credentials or network settings! Technical info: null");
+                mSwipeRefreshLayout.setRefreshing(false);
+                break;
+            }
+            case 2: {
+                Toast.makeText(SearchableActivity.this, "Ответ от сервера неверен! Перепроверьте данные подключения!", Toast.LENGTH_LONG).show();
+                Log.e("VRCatalog", "Answer of server is wrong! Re-check your connection credentials! Technical info: null");
+                mSwipeRefreshLayout.setRefreshing(false);
+                break;
+            }
+            case 3: {
+                Toast.makeText(SearchableActivity.this, "Вы ввели неверный URL. Пример: http://example.ru", Toast.LENGTH_LONG).show();
+                mSwipeRefreshLayout.setRefreshing(false);
+                break;
+            }
+        }
+    }
+
+    @Override
+    public void onRefresh() {
+        searchablePresenter.fetchDetailsTreeByName(detailName);
+    }
+
+    @Override
+    public void swipeLayoutSetRefreshing(boolean state) {
+        mSwipeRefreshLayout.setRefreshing(state);
+    }
+
+    @Override
+    public void refreshTree() {
+        treeView.refreshTreeView();
+    }
+
+    @Override
+    public void startActivityByIntent(Intent intent) {
+        startActivity(intent);
+    }
+
+    @Override
+    public void buildFirstLevelTree(ArrayList<FirstLevelModel> firstLevelModels) {
+        // This is for compatibility. Nothing to implement.
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch(item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}

app/src/main/res/layout/activity_searchable.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context=".view.MainActivity"
+    tools:showIn="@layout/app_bar_main"
+    android:orientation="horizontal"
+    android:id="@+id/searchableSwipeRefreshLayout">
+
+    <android.support.v4.widget.NestedScrollView
+        android:id="@+id/searchableTreeViewContainer"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scrollbarAlwaysDrawVerticalTrack="true">
+    </android.support.v4.widget.NestedScrollView>
+
+
+</android.support.v4.widget.SwipeRefreshLayout>

app/src/main/res/menu/main.xml

@@ -1,4 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_search"
+        android:icon="@android:drawable/ic_menu_search"
+        app:showAsAction="always|collapseActionView"
+        app:actionViewClass="android.support.v7.widget.SearchView"
+        android:title="Поиск"/>
 </menu>

app/src/main/res/xml/searchable.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<searchable xmlns:android="http://schemas.android.com/apk/res/android"
+    android:label="@string/app_name"
+    android:hint="Поиск деталей по имени" >
+</searchable>

build.gradle

@@ -8,7 +8,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         
 
         // NOTE: Do not place your application dependencies here; they belong

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
+#Tue Jan 15 18:33:56 MSK 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip