android/sample/res/layout/benchmark_select_layout.xml

<?xml version="1.0" encoding="utf-8" ?>
<android.support.v4.view.ViewPager
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/viewpager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        />