颤振：-显示BottomSheet透明度 [英] Flutter:- show BottomSheet transparency

问题描述

我想打开一个showBottomSheet。这是我的代码，可以正常工作，我可以打开ButtomSheet，但不能提供透明效果。我可以在此工作表的后面看到，即使我也尝试了不透明度也无法正常工作。

I want to open a showBottomSheet. here is my code which working fine, I am able to open ButtomSheet, but it's not giving transparency effect. that I could see behind of this sheet, even I also tried with Opacity which also not working.

 showBottomSheet(
            context: context,
            builder: (context) {
              return Opacity(
                opacity: .1,
                child: Container(
                  height: 400.0,
                  color: Colors.transparent,
                ),
              );
            });

推荐答案

这很简单，仅在main中实现：

It is very easy, only implement in main:

bottomSheetTheme: BottomSheetThemeData(
            backgroundColor: Colors.black.withOpacity(0)),

另外，请参见下图。

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