sb_uncheck_color 属性不生效是怎么回事呢？

[mnb65482]

<com.hcll.test.widget.SwitchButton xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="wrap_content" android:layout_height="wrap_content" app:sb_checked_color="@color/common_color" app:sb_show_indicator="false" app:sb_uncheck_color="#111111"" />

[PeterAlanoca]

<com.suke.widget.SwitchButton android:id="@+id/switchButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentEnd="true" android:layout_alignParentRight="true" android:layout_alignParentBottom="true" app:sb_background="@color/colorRed" app:sb_checked="false" app:sb_checked_color="@color/colorGreen" app:sb_enable_effect="true" app:sb_show_indicator="false" app:sb_uncheck_color="@color/colorRed" /