实现TextView在内容过多时自动滚动
mTextView.setMovementMethod(ScrollingMovementMethod.getInstance());

<TextView android:text="TextView"
android:id="@+id/textView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textSize="25dip"
android:scrollbars="vertical"
android:focusable="true"
android:singleLine="false"
android:clickable="true"
android:textColor="#000000">
</TextView>