<?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:background="@drawable/back">

    <com.abc.xyz.TextViewEx
        android:id="@+id/etext1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:textSize="@dimen/betxt"
        android:textColor="#FFFFFF"
        android:layout_marginLeft="@dimen/activity_margin"
        android:layout_marginRight="@dimen/activity_margin"
        android:layout_marginBottom="@dimen/activity_margin"
        android:layout_marginTop="@dimen/activity_margin"
        android:scrollbars="vertical"/>

</LinearLayout>

textView1 = (TextViewEx) findViewById (R.id.etext1);
textView1.setMovementMethod(new ScrollingMovementMethod());