IPrint/app/src/main/res/layout/epsonconnect_print_log.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent">
    <include layout="@layout/navigationbar"/>
    <FrameLayout android:layout_width="match_parent" android:layout_height="match_parent">
        <WebView android:id="@+id/prtlog_webview" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1"/>
    </FrameLayout>
</LinearLayout>