We want an Android application to integrate into a storage service.
With this application, the operator makes the check-in and the check-out of the item, and it should generate the value the customer has to pay for the time the item stays with us.
Regarding the design on the file is not to take into account, first, the app should be very intuitive and of course clean design.
We are open for improvement suggestions.
Attached there's the idea of the structure.
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Good Day! I am a professional Android(Java) developer and I am pretty sure that I can exceed your expectation. It'd be great if you could share more details with me to discuss. Thank you.