jpush_popwin_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/popLayoutId"
    style="@style/MyDialogStyle"
    android:orientation="vertical"
    android:layout_width="280dp"
    android:layout_height="250dp" >

        <WebView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:id="@+id/wvPopwin"/>

</LinearLayout>