Android TextView跑马灯没有效果？

Question

<TextView

    android:id="@+id/tv_ad4"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:singleLine="true"
    android:maxLines="1"
    android:ellipsize="marquee"
    android:text="浙江省杭州市浙江省杭州市浙江省杭州市浙江省杭州市浙江省杭州市浙江省杭州市浙江省杭州市浙江省杭州市浙江省杭州市浙江省杭州市浙江省杭州市浙江省杭州市"
    android:textColor="@color/black"
    android:focusableInTouchMode="true"
    android:focusable="true"
    android:marqueeRepeatLimit="marquee_forever"
    />

Answer 1

Go and check out MOOC.com. . .

Answer 2

Is there any necessary connection between the existence of these two controls and the absence of the marquee effect? . . .

Answer 3

Personal test, no problem. . .

Answer 4

Inherit textview and then override it

@Override
public boolean isFocused() {
return true;
}

Answer 5

If you need to let the textview get the focus, you can try requestFocus()