The canvas component erase the draw when I change the background color

MIT App Inventor Help
1

I'm developing an app using canvas component to draw, but when i change the background color the previously entered drawing is deleted, any possible solution to this?

2

Hello Dr Runete

Save every drawn entity to TinyDB, at the time they are drawn. For example:

Line,10,34,2,0,0,255

Entity is a line, X10, Y34, Thickness 2, Colour Blue

This will allow you to change the Canvas back colour, then redraw the entities

2 Likes
3

Thank you very much friend!!

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