tt-rss-android/org.fox.ttrss/src/main/res/layout/activity_images_pager.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/article_images"
    android:layout_width="fill_parent"
    android:animateLayoutChanges="true"
    android:layout_height="fill_parent">

    <org.fox.ttrss.ArticleImagesPager
        android:id="@+id/article_images_pager"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_alignParentTop="true" />

    <ProgressBar
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/article_images_progress"
        android:progress="0"
        android:indeterminate="false"
        android:layout_above="@+id/article_images_indicator"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:layout_marginLeft="@dimen/activity_horizontal_margin"
        android:layout_marginRight="@dimen/activity_horizontal_margin" />

    <me.relex.circleindicator.CircleIndicator
        android:id="@+id/article_images_indicator"
        android:layout_width="fill_parent"
        android:layout_height="40dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:visibility="invisible" />


</RelativeLayout>