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Is there a way to apply a biometric lock (as in, a look screen) to an Android device? e.g. the unlocker has to pass a fingerprint / retina / voice scan. I've read about startup companies and general ideas, but haven't seen any actual product.

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3 Answers 3

It's possible to develop one, but we don't have pixel-per-pixel touch screens(like the one that the second generation Microsoft Surface uses) on our Android phones, so it will not be accurate, nor even trustable. What may be out on the Market are lock screens that imitate those systems, but they are just for visual effects.

The only example that is valid is the face-recognition, the iris-recognition I don't know, but I think this needs a lot more improved technology. You can check out BioLock To Bring Biometric Security (Iris Scanner, Facial Recognition) To Android for more information.

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I'm not sure what do you mean by "pixel-per-pixel" touchscreens... and in any case, I'm guessing (1) fingerprint scan requires the camera - the touchscreen isn't appropriate for that, (2) voice requires the microphone, and (3) retina requires a higher-quality camera than what any phone currently has. Still, I'm asking about any biometric product from a consumer standpoint, I'm less concerned with the specific technique used to achieve it. –  Oak Apr 22 '11 at 15:58
    
Touchscreens like the one that they introduced on the second generation of the Microsoft Surface. More information about it just watch their keynote at CES 2011: microsoft.com/presspass/events/ces –  Nathan Campos Apr 22 '11 at 16:08

Some phones have hardware built in for such things. For example, my Motorola Atrix has a fingerprint scanner to unlock it, http://www.authentec.com/a/ATRIXFAQs.aspx. Also, like you pointed out, Ice Cream Sandwich is going to have facial recognition for locking/unlocking.

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