ForegroundBuilder typedef
ForegroundBuilder =
Widget Function(BuildContext context, CameraController? controller)
Build the foreground/overlay widget with the given CameraValue. 根据给定的 CameraValue 构建自定义的前景 widget
The controller
will be null until initialized.
在 CameraController 完成初始化前,controller
将为空。
Implementation
typedef ForegroundBuilder = Widget Function(
BuildContext context,
CameraController? controller,
);