diff --git a/demo/src/main/res/values/styles.xml b/demo/src/main/res/values/styles.xml
index 5885930..93c34e5 100644
--- a/demo/src/main/res/values/styles.xml
+++ b/demo/src/main/res/values/styles.xml
@@ -1,11 +1,7 @@
 <resources>
-
-    <!-- Base application theme. -->
     <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
-        <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="colorAccent">@color/colorAccent</item>
     </style>
-
 </resources>
diff --git a/scrollingpagerindicator/src/main/AndroidManifest.xml b/scrollingpagerindicator/src/main/AndroidManifest.xml
index 922895f..7340c90 100644
--- a/scrollingpagerindicator/src/main/AndroidManifest.xml
+++ b/scrollingpagerindicator/src/main/AndroidManifest.xml
@@ -1,2 +1 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="ru.tinkoff.scrollingpagerindicator" />
+<manifest package="ru.tinkoff.scrollingpagerindicator" />
diff --git a/scrollingpagerindicator/src/main/java/ru/tinkoff/scrollingpagerindicator/ScrollingPagerIndicator.java b/scrollingpagerindicator/src/main/java/ru/tinkoff/scrollingpagerindicator/ScrollingPagerIndicator.java
index 2c58d2f..d5580ba 100644
--- a/scrollingpagerindicator/src/main/java/ru/tinkoff/scrollingpagerindicator/ScrollingPagerIndicator.java
+++ b/scrollingpagerindicator/src/main/java/ru/tinkoff/scrollingpagerindicator/ScrollingPagerIndicator.java
@@ -57,14 +57,14 @@ public ScrollingPagerIndicator(Context context) {
     }
 
     public ScrollingPagerIndicator(Context context, @Nullable AttributeSet attrs) {
-        this(context, attrs, R.style.ScrollingPagerIndicator);
+        this(context, attrs, 0);
     }
 
     public ScrollingPagerIndicator(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
 
         TypedArray attributes = context.obtainStyledAttributes(
-                attrs, R.styleable.ScrollingPagerIndicator, 0, R.style.ScrollingPagerIndicator);
+                attrs, R.styleable.ScrollingPagerIndicator, defStyleAttr, R.style.ScrollingPagerIndicator);
         dotColor = attributes.getColor(R.styleable.ScrollingPagerIndicator_spi_dotColor, 0);
         selectedDotColor = attributes.getColor(R.styleable.ScrollingPagerIndicator_spi_dotSelectedColor, dotColor);
         dotNormalSize = attributes.getDimensionPixelSize(R.styleable.ScrollingPagerIndicator_spi_dotSize, 0);
@@ -78,6 +78,11 @@ public ScrollingPagerIndicator(Context context, @Nullable AttributeSet attrs, in
 
         paint = new Paint();
         paint.setAntiAlias(true);
+
+        if (isInEditMode()) {
+            setDotCount(visibleDotCount);
+            onPageScrolled(visibleDotCount / 2, 0);
+        }
     }
 
     /**
diff --git a/scrollingpagerindicator/src/main/res/values/styles.xml b/scrollingpagerindicator/src/main/res/values/styles.xml
index 0adb42c..151e098 100644
--- a/scrollingpagerindicator/src/main/res/values/styles.xml
+++ b/scrollingpagerindicator/src/main/res/values/styles.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
     <style name="ScrollingPagerIndicator">
         <item name="spi_dotColor">@android:color/darker_gray</item>
         <item name="spi_dotSelectedColor">@android:color/darker_gray</item>