Android 自定义隐私弹窗示例 按钮字体颜色如何修改 android:textColor 无效

<!-- 确认按钮 -->
<Button
android:id="@+id/btn_custom_privacy_sure"
android:layout_width="match_parent"
android:layout_height="35dp"
android:background="@drawable/rounded_button"
android:paddingLeft="12dp"
android:paddingTop="5dp"
android:paddingRight="12dp"
android:paddingBottom="5dp"
android:text="确认"
android:textColor="@drawable/dcloud_custom_rich_dialog_button_text_selecter"
android:textSize="14sp"
android:visibility="gone" />

@drawable/dcloud_custom_rich_dialog_button_text_selecter

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true" android:textColor="#FFFFFF"/>
<item android:state_pressed="true" android:color="#FFFFFF"/>
<item android:state_pressed="false" android:textColor="#9A9A9A"/>
<item android:state_pressed="false" android:color="#9A9A9A"/>
</selector>

但字体颜色还是黑色