Android--Button自定义水波纹颜色方法

<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
    android:color="@color/colorPrimaryDark">
    <item android:drawable="@color/colorPrimary" />
</ripple>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@color/colorPrimaryDark" android:state_pressed="true"/>
    <item android:drawable="@color/colorPrimary" />
</selector>

       <Button
            android:id="@+id/btn_next1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/selector_ripple"
            android:text="next" />

    <style name="MyButton" parent="Theme.AppCompat.Light">
        <item name="colorButtonNormal">@color/colorPrimary</item>
        <item name="colorControlHighlight">@color/colorPrimaryDark</item>
    </style>

        <Button
            android:id="@+id/btn_next1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:theme="@style/MyButton"
            android:text="next" />