example/ivy/android/app/src/main/res/layout/activity_main.xml

<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:id="@+id/layout"
    android:background="@color/body">

    <ScrollView
        android:id="@+id/scroller"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:scrollbars="vertical"
        android:fillViewport="false"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_above="@+id/layout_bottom"
        android:padding="@dimen/abc_control_padding_material">

        <WebView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/webView"
            android:gravity="left|bottom"
            android:textIsSelectable="true"
            android:clickable="false"
            android:background="@color/body" />

    </ScrollView>

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:id="@+id/layout_bottom"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_alignParentBottom="true">

        <EditText
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:id="@+id/editText"
            android:gravity="top|left|start"
            android:textStyle="normal"
            android:inputType="textVisiblePassword"
            android:hint="@string/editTextHelp"/>

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/imageButton"
            android:background="@drawable/circle_shape"
            android:src="@drawable/ic_done_white_24dp"
            android:contentDescription="@string/ok"
            android:onClick="onClick"
            android:clickable="true"
            android:padding="@dimen/abc_control_padding_material"
            android:layout_margin="@dimen/abc_control_padding_material" />

    </LinearLayout>

</RelativeLayout>