button点击效果

   <Button
        android:text="送快递放假"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?android:attr/selectableItemBackgroundBorderless"

        />

<ripple xmlns:android="http://schemas.android.com/apk/res/android"
    android:color="#FF21272B">
    <item android:drawable="@drawable/shape1" />

</ripple>

   <Button
        android:text="送快递放假"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/ripple"

        />

<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
    <solid android:color="#8cc476" />
<corners android:radius="0dp" />


</shape>