session-android/res/layout/progress_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:padding="@dimen/medium_spacing">

    <com.github.ybq.android.spinkit.SpinKitView
        style="@style/SpinKitView.Large.ThreeBounce"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        app:SpinKit_Color="@color/text" />

</RelativeLayout>