Made multicolored rows (gray-white), the text in SearchView is now white.

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

@@ -20,6 +20,7 @@ public interface MainContract {
         void onFailureAnswer(int errorCode);
         void refreshTree();
         void startActivityByIntent(Intent intent);
+        int incTreeNodeIndex();
     }
 
     interface Presenter {

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

@@ -1,8 +1,11 @@
 package ru.volgorobot.vrcatalog.nodeViewBinders;
 
 import android.content.Context;
+import android.graphics.Color;
+import android.support.v7.widget.RecyclerView;
 import android.view.View;
 import android.widget.ImageView;
+import android.widget.RelativeLayout;
 import android.widget.TextView;
 
 import me.texy.treeview.TreeNode;
@@ -15,12 +18,16 @@ import ru.volgorobot.vrcatalog.model.FirstLevelModel;
 public class FirstLevelNodeViewBinder extends BaseNodeViewBinder implements MainContract.ViewBinder {
     TextView textView;
     ImageView imageView;
+    RelativeLayout layout;
     ViewBinderPresenter viewBinderPresenter;
+    private MainContract.MainActivityView mView;
 
     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);
+        layout = itemView.findViewById(R.id.parent_node_container_1);
+        this.mView = mView;
         viewBinderPresenter = new ViewBinderPresenter(mView, this, context);
     }
 
@@ -32,6 +39,14 @@ public class FirstLevelNodeViewBinder extends BaseNodeViewBinder implements Main
     @Override
     public void bindView(TreeNode treeNode) {
         textView.setText(treeNode.getValue().toString());
+        imageView.setRotation(treeNode.isExpanded() ? 90 : 0);
+        int index = mView.incTreeNodeIndex();
+        treeNode.setIndex(index);
+        if(index % 2 == 1) {
+            layout.setBackgroundColor(Color.parseColor("#FFFFFF"));
+        } else {
+            layout.setBackgroundColor(Color.parseColor("#BABABA"));
+        }
     }
 
     @Override
@@ -48,4 +63,5 @@ public class FirstLevelNodeViewBinder extends BaseNodeViewBinder implements Main
     public void rotateImageView() {
         imageView.animate().rotation(90).setDuration(200).start();
     }
+
 }

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

@@ -1,8 +1,10 @@
 package ru.volgorobot.vrcatalog.nodeViewBinders;
 
 import android.content.Context;
+import android.graphics.Color;
 import android.view.View;
 import android.widget.ImageView;
+import android.widget.RelativeLayout;
 import android.widget.TextView;
 
 import me.texy.treeview.TreeNode;
@@ -15,6 +17,8 @@ import ru.volgorobot.vrcatalog.model.SecondLevelModel;
 public class SecondLevelNodeViewBinder extends BaseNodeViewBinder implements MainContract.ViewBinder {
     TextView textView;
     ImageView imageView;
+    RelativeLayout layout;
+    private MainContract.MainActivityView mView;
     MainContract.LevelLoaderPresenter viewBinderPresenter;
 
 
@@ -22,6 +26,8 @@ public class SecondLevelNodeViewBinder extends BaseNodeViewBinder implements Mai
         super(itemView);
         textView = (TextView) itemView.findViewById(R.id.node_name_view);
         imageView = (ImageView) itemView.findViewById(R.id.arrow_img);
+        layout = itemView.findViewById(R.id.parent_node_container_2);
+        this.mView = mView;
         viewBinderPresenter = new ViewBinderPresenter(mView, this, context);
     }
 
@@ -34,6 +40,13 @@ public class SecondLevelNodeViewBinder extends BaseNodeViewBinder implements Mai
     public void bindView(final TreeNode treeNode) {
         textView.setText(treeNode.getValue().toString());
         imageView.setRotation(treeNode.isExpanded() ? 90 : 0);
+        int index = mView.incTreeNodeIndex();
+        treeNode.setIndex(index);
+        if(index % 2 == 1) {
+            layout.setBackgroundColor(Color.parseColor("#FFFFFF"));
+        } else {
+            layout.setBackgroundColor(Color.parseColor("#BABABA"));
+        }
     }
 
     @Override

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

@@ -1,7 +1,9 @@
 package ru.volgorobot.vrcatalog.nodeViewBinders;
 
 import android.content.Context;
+import android.graphics.Color;
 import android.view.View;
+import android.widget.RelativeLayout;
 import android.widget.TextView;
 
 import me.texy.treeview.TreeNode;
@@ -13,12 +15,16 @@ import ru.volgorobot.vrcatalog.model.ThirdLevelModel;
 
 public class ThirdLevelNodeViewBinder extends BaseNodeViewBinder implements MainContract.ViewBinder {
     TextView textView;
+    RelativeLayout layout;
+    private MainContract.MainActivityView mView;
     MainContract.LevelLoaderPresenter viewBinderPresenter;
 
     public ThirdLevelNodeViewBinder(View itemView, Context context, MainContract.MainActivityView mView) {
         super(itemView);
         viewBinderPresenter = new ViewBinderPresenter(mView, this, context);
         textView = itemView.findViewById(R.id.node_name_view);
+        layout = itemView.findViewById(R.id.parent_node_container_3);
+        this.mView = mView;
     }
 
     @Override
@@ -29,6 +35,13 @@ public class ThirdLevelNodeViewBinder extends BaseNodeViewBinder implements Main
     @Override
     public void bindView(final TreeNode treeNode) {
         textView.setText(treeNode.getValue().toString());
+        int index = mView.incTreeNodeIndex();
+        treeNode.setIndex(index);
+        if(index % 2 == 1) {
+            layout.setBackgroundColor(Color.parseColor("#FFFFFF"));
+        } else {
+            layout.setBackgroundColor(Color.parseColor("#BABABA"));
+        }
     }
 
     @Override

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

@@ -45,6 +45,7 @@ public class MainActivity extends AppCompatActivity
     private ImageView mConnectionErrorImageView;
     private ViewGroup mTreeViewContainer;
     private TextView mErrorTextView;
+    private int treeNodeIndex;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -206,6 +207,10 @@ public class MainActivity extends AppCompatActivity
         return true;
     }
 
+    @Override
+    public int incTreeNodeIndex() {
+        return treeNodeIndex++;
+    }
 }
 
 

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

@@ -147,4 +147,9 @@ public class SearchableActivity extends AppCompatActivity implements MainContrac
         }
         return super.onOptionsItemSelected(item);
     }
+
+    @Override
+    public int incTreeNodeIndex() {
+        return 0;
+    }
 }

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

@@ -16,7 +16,7 @@
             android:layout_width="match_parent"
             android:layout_height="?attr/actionBarSize"
             android:background="?attr/colorPrimary"
-            android:theme="@style/CustomSearchStyle"
+            android:theme="@style/MainActivity"
             app:titleTextColor="@android:color/white"
             app:popupTheme="@style/AppTheme.PopupOverlay" />
 

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

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/parent_node_container_1"
     android:layout_width="match_parent"
     android:layout_height="50dp"
     android:background="?android:selectableItemBackground">

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

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/parent_node_container_2"
     android:layout_width="match_parent"
     android:layout_height="50dp"
     android:orientation="vertical"

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

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/parent_node_container_3"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical"

app/src/main/res/values-v21/styles.xml

@@ -25,7 +25,9 @@
         <item name="android:textColorPrimary">@android:color/black</item>
         <item name="android:textColorSecondary">@android:color/black</item>
     </style>
-    <style name="CustomSearchStyle" parent="AppTheme">
+    <style name="MainActivity" parent="AppTheme.NoActionBar">
+        <item name="android:editTextColor">@android:color/white</item>
+        <item name="android:textColorHint">@android:color/white</item>
         <item name="suggestionRowLayout">@layout/light_suggestion_hint</item>
         <item name="colorControlNormal">@android:color/white</item>
         <item name="android:colorControlNormal">@android:color/white</item>

app/src/main/res/values/styles.xml

@@ -8,9 +8,6 @@
     <style name="MainActivity" parent="AppTheme.NoActionBar">
         <item name="android:editTextColor">@android:color/white</item>
         <item name="android:textColorHint">@android:color/white</item>
-    </style>
-
-    <style name="CustomSearchStyle" parent="AppTheme">
         <item name="suggestionRowLayout">@layout/light_suggestion_hint</item>
         <item name="colorControlNormal">@android:color/white</item>
     </style>