Android TextView跑马灯

 1 <TextView
 2         android:layout_width="fill_parent"
 3         android:layout_height="wrap_content"
 4         android:layout_margin="20dp"
 5         android:ellipsize="marquee"
 6         android:focusable="true"
 7         android:focusableInTouchMode="true"
 8         android:marqueeRepeatLimit="marquee_forever"
 9         android:scrollHorizontally="true"
10         android:text="testtesttesttesttest"
11         android:textSize="20sp" />