Application for saving invoices. You can attach pdf copies of the invoice. Search for invoices by number or contractor. Was used, inter alia, Cubit / Bloc, GetIt, Firebase, Json Serializable, File Picker, pdfViewer.
Below is a demonstration of the application's capabilities:
aplikacja.mp4
Currently one collection is shared with all users. However, this can be changed. The ability to create users would need to be added.