view_floating_default.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="200dp"
    android:layout_height="wrap_content">

    <ImageView
        android:src="@mipmap/float_logo"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>