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POS device simulator  RSS feed

 
Greenhorn
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please am about to develop an app that will makes use of finger print machine but I need a simulator that I can use in place of this device for testing purpose while I am developing this app. please, can someone prescribe one for me? thanks for your response.
 
Saloon Keeper
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That might be a question to ask the manufacturer of said device (you didn't tell us which one it is). Or maybe they have a program where developers can get a device cheaply.
 
Sheriff
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I assume the real-world fingerprint analog read in by this device would somehow be digitized into a binary format that a computer would be able to process. If it were me, I would ask the device manufacturer if they could provide me with samples of digitized fingerprint data, enough for testing purposes. Depending on what you're trying to test, that could mean data samples for a few or a few hundred or thousand unique fingerprints.
 
Julius Adek
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Thanks so much. I did not actual know manufacturer that can provide me with what you have mentioned above. Please, I will appreciate if you can prescribe anyone for me. Thanks for your response.
 
Junilu Lacar
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We don't know who the manufacturer of your fingerprint reader is, so it's impossible for us to recommend anything specific like that to you. Don't you at least know who you're buying this device from? you should ask them for help.
 
Julius Adek
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Oh thanks! I have not actually chosen any manufacturer, am just looking for where to start before starting developing the app
 
Junilu Lacar
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I don't know how you imagined you could start with any kind of detailed testing without at least knowing something about the kind of data you're dealing with or the API for the third-party library that you're going to be using, assuming there is one. You could insulate the rest of your application code by creating an additional layer of abstraction to act as a bridge or adapter for the fingerprint reader's API but that's additional complexity. I don't think it would be good to introduce additional complexity at this point, especially if you don't have a stable architecture yet. The best thing, I think, would be for you to at least know the API that you're going to be dealing with.
 
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