i already added image on canvas and on image i draw it …in my signature.ts file code am creating one function name : perform() that perform undo operation …means whatever i draw on screen …it perform delete operation one by one from last…but now that undo() function not only delete all draw things but also it delete my image as well…and i dont want to delete my image taken through camera…i just want to uno remaining drawn things on image …and not image…hope u got it…for output check my apk file attached install that application u will understand how undo button work …not properly it work
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