我基本上想在Canvas上显示Assets文件夹中的图像。import'package:flutter/material.dart'asui;...ui.Imageimg=ui.Image.asset("images/some_image.png");ui.paintImage(canvas:canvas,image:img);当我尝试将img分配给paintImage的图像时出现以下错误消息。Theargumenttype'Image(C:\ABC\flutter\packages\flutter\lib\src\widgets\image.dart)'can'tbeassigned
