fragment_webview.xml

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

    <LinearLayout
        android:id="@+id/ll_web"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" />

</layout>