This article helps to making Scrollable TextView in Android.
We can do it two ways. 1.Create a TextView inside the ScrollView and 2. TextView with dispatch Events.
Create a TextView inside the ScrollView
< ScrollView android:layout_width="fill_parent" android:layout_height="wrap_content"
android:fillViewport="true">
< LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent">
< TextView android:text="@+id/TextView01"
android:id="@+id/mTextView"
android:layout_width="fill_parent"
android:layout_height="fill_parent">< / TextView>
< / LinearLayout>
< / ScrollView>
Activity Implementation
mTextView = (TextView) findViewById(R.id.logTextView);
mTextView .setText("");
mTextView .setMovementMethod(ScrollingMovementMethod.getInstance());