<application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <!-- URL festlegen für den Photostream Server -->
        <meta-data
            android:name="PHOTOSTREAM_URL"
            android:value="http://141.100.70.65" />