android TextView scrollable method without ScrollViewe

code

TextView textview = (TextView) findViewById(R.id.text);
            /**             * 
             *  Only if this method is called, TextView Talent doesn't depend on ScrollView And I'm going to scroll. 
             *  Want to be in XML Set in the TextView the textcolor Otherwise, when TextView When it is touched, it falls away. 
             */

            textview.setMovementMethod(ScrollingMovementMethod.getInstance());
 

xml file

<TextView
   xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:textSize="18sp"
  android:scrollbars="vertical"
   android:maxLines="12"
  android:textColor="@color/white"
  android:text="@string/str"
  android:id="@+id/text"
  ></TextView>