Saving canvas like a jpg is ok, but cannot load it back - MIT App Inventor Help - MIT App Inventor Community
SZ3GAO MOOCs: 2019.5.10 MitAppInventor更新至nb176
The Canvas Component The Canvas component is a two-dimensional, touch-sensitive rectangular grid. It's like a piece of paper in the app that can be drawn on. You can also place images on it and animate those images. You draw and place objects in a ...