android-calculatorpp/app/src/main/res/layout/cpp_activity_wizard.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:id="@+id/main"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:my="http://schemas.android.com/apk/res-auto"
    style="@style/MaterialActivity"
    android:orientation="vertical"
    android:padding="0dp">

    <android.support.v4.view.ViewPager
        android:id="@+id/pager"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1" />

    <com.viewpagerindicator.CirclePageIndicator
        android:id="@+id/pager_indicator"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingBottom="10dp"
        android:paddingTop="10dp"
        my:fillColor="?attr/colorAccent"
        my:radius="5dp" />

</LinearLayout>