scan_progress.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/scan_progress_layout"
    android:layout_width="match_parent"
    android:layout_height="@dimen/progress_layout_height">
    <ProgressBar
        android:id="@+id/scan_progress_bar"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:max="100"
        style="@android:style/Widget.ProgressBar.Horizontal"
        android:progressDrawable="?attr/progress_mini_player"
        android:background="?attr/background_default"/>
    <TextView
        android:id="@+id/scan_progress_text"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:maxLines="1"
        android:textColor="?attr/font_light"
        android:text="@string/loading_medialibrary"/>
</RelativeLayout>