QSPackKit/sdk/jm/res/layout/jmloginbase.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:gravity="center">

    <FrameLayout
            android:id="@+id/content"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>

</RelativeLayout>