<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <android.support.v4.widget.SwipeRefreshLayout
        android:id="@+id/swipe"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <WebView
            android:id="@+id/Webview"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            tools:layout_editor_absoluteX="8dp"
            tools:layout_editor_absoluteY="8dp" />

    </android.support.v4.widget.SwipeRefreshLayout>

</RelativeLayout>