<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="fill_parent"
              android:layout_height="fill_parent" android:padding="10dp">

    <ScrollView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:id="@+id/scrollView" android:background="@android:drawable/dialog_holo_dark_frame">
        <TextView
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:id="@+id/aboutTextView"
                android:padding="10dp"/>
    </ScrollView>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="fill_parent"
              android:layout_height="fill_parent" android:padding="4dip">
    <ScrollView
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:id="@+id/scrollView" android:background="@android:drawable/dialog_holo_dark_frame">
        <TextView
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:id="@+id/aboutTextView"
                android:paddingLeft="10dip" android:paddingRight="10dip" android:paddingEnd="3dip"
                android:paddingStart="3dip"/>
    </ScrollView>
</FrameLayout>
Change top element of popup layout to FrameLayout
Change top element of popup layout to FrameLayout
