OsmAnd/OsmAnd/res/layout/loading.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <LinearLayout 
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:gravity="center_vertical|center_horizontal"
        android:orientation="horizontal">

        <ProgressBar
            android:id="@+id/ProgressBar"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <TextView
            android:id="@+id/ProgressMessage"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:maxLines="3"
            android:text="@string/loading_data"
            android:textSize="@dimen/default_list_text_size" />
    </LinearLayout>

</FrameLayout>