Probleme avec app carte fidelite (How and where can I save bar code images I create?)

hi I would like to create a new project an app where to insert all the fidelite cards I have already done the part of creating the card but I can not find a way to save it does anyone have an idea? Thank you

blocks

You need a way to save the Base64 bar code image somewhere that can accept a long file. Tim describes one method Base64 extension help ,