<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/loading"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@drawable/picture_dialog_custom_bg"
    android:orientation="vertical"
    android:padding="10dp">

    <ProgressBar
        android:layout_width="25dp"
        android:layout_height="25dp"
        android:layout_gravity="center_horizontal"
        android:indeterminateBehavior="repeat"
        android:indeterminateDrawable="@drawable/picture_anim_progress" />

</LinearLayout>