Bottom sheet的圆角

<style name="ModalBottomSheetStyle" parent="Theme.Design.Light.BottomSheetDialog">

    <item name="android:windowIsFloating">false

    <item name="android:statusBarColor">@android:color/transparent

    <item name="android:windowSoftInputMode">adjustResize

    <item name="bottomSheetStyle">@style/BottomSheetStyle

// Bottom sheet的圆角

<style name="BottomSheetStyle" parent="Widget.Design.BottomSheet.Modal">

    <item name="android:background">@color/transparent

</style>