安卓开发-TextView的字体循坏展示

<TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:singleLine="true"
            android:ellipsize="marquee"
            android:marqueeRepeatLimit="marquee_forever"
            android:focusable="true"
            android:focusableInTouchMode="true"
            android:textColor="#F00"
            android:textSize="15sp"

            />