android的TextView跑马灯效果属性

<TextView
    android:id="@+id/id_tv_header_center_tv0"
    android:layout_width="150dp"
    android:layout_height="wrap_content"
    android:text=""
    android:textStyle="bold"
    android:textSize="17.0sp"
    android:textColor="#FFF"
    android:ellipsize="marquee"
    android:focusable="true" 
	android:marqueeRepeatLimit="marquee_forever" 
	android:focusableInTouchMode="true" 
	android:scrollHorizontally="true"
    android:singleLine="true"
    android:layout_marginBottom="@dimen/trend_header_margin"
    android:background="#0000" />