如何在flutter中默认显示电池图标、网络图标等

Question

当我打开flutter应用程序时，手机的电池图标和网络图标消失了。这是我的应用条码：

headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
        return <Widget>[
          SliverOverlapAbsorber(
              handle: NestedScrollView.sliverOverlapAbsorberHandleFor(
                context,
              ),
              sliver: SliverAppBar(
                title: Text(
                  'Cruise',
                  style: TextStyle(
                    color: Theme.of(context).brightness == Brightness.light ? Colors.black : Colors.white,
                  ),
                ),
                pinned: true,
                expandedHeight: 10.0,
                floating: true,
                snap: true,
                forceElevated: innerBoxIsScrolled,
                actions: [
                  if (state.currentStoriesType == StoriesType.channels)
                    IconButton(
                      onPressed: () => {dispatch(HomeListActionCreator.onJumpAddChannel())},
                      icon: Icon(Feather.plus),
                    ),
                ],
              )),
        ];
      },

如何让图标按默认方式显示？现在，图标消失了：

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Answer 1

使用小部件SafeArea，它将提供您想要的东西。将您的顶级小部件包含在其中。