Charta is an online platform which deals with used paper This application is build with Flutter and Firebase
For knowing more Watch:https://youtu.be/N5GJUNOmd6Y
developed by:Team Charta

For running this application first copy this code in your Editor
after on terminal at root of the repository type"flutter build apk"
this will build an apk file.
Install this apk in your Android device (not IOS).
If some error occurs
goto-lib/apk/Charta.apk
install this apk

how this app work:https://youtu.be/N5GJUNOmd6Y

1.login using google account
2.select your roll(user,seller,scrapercollector)

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1.In User roll you can only buy papers from a list
2.After buying a paper user have to visit seller at the location provided.
3.Seller will scan the QR code from you
4.After User writes the paper to 100% he can forward this paper to Scrapcollector at in hand page.
5.Scrap collector will request User paper if he has an intrest
6.Scrapcollector will visit user at given location.
7.Scrapcollector will scan the Qr code and take the paper
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1.In Seller roll you can Add paper.
2.Add image ,location and other details
3.if some User is intrested he will buy your paper
4.your order request will be visible at order page
5.when user reach you for paper handover the paper and scan the QR code
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1.In scrapcollector roll you can request 100%used papers
2.Scrapcollector has to visit the User having the paper.
3.scan the QR recive the paper