QSPackKit/sdk/yfsdk/res/layout/jmad_ad_view.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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:orientation="vertical" >

<FrameLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent">

        <WebView
            android:id="@+id/webview"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />
        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">
                <Button
                    android:id="@+id/close_btn"
                    android:layout_width="28dp"
                    android:layout_height="28dp"
                    android:background="@drawable/jmad_close"
                    android:scaleType="fitXY"
                    android:layout_alignParentRight="true"
                    android:layout_marginRight="20dp"
                    android:layout_marginTop="20dp"
                    android:shadowColor="@color/jmfont_black"
                    android:shadowDx="2"
                    android:shadowDy="2"
                    android:shadowRadius="2"
                    android:visibility="gone"/>

        </RelativeLayout>


</FrameLayout>


</LinearLayout>