TextView跑马灯效果

    android:layout_width="100dp"
    android:layout_height="wrap_content"
    android:ellipsize="marquee"
    android:focusable="true"
    android:focusableInTouchMode="true"
    android:marqueeRepeatLimit="marquee_forever"
    android:singleLine="true"
    android:text="Hello Worlddfddsafdagfgfsdhsdgfgddfg!"/>