在相机上方创建方形覆盖层
我已经尝试过https://github.com/flutter/plugins/tree/master/packages/camera中给出的示例项目
https://github.com/flutter/plugins/blob/master/packages/camera/lib/camera.dart在此处输入图像描述
camera overlay flutter
camera ×1
flutter ×1
overlay ×1
