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I’ve just watched this video showing off an app:
https://www.youtube.com/watch?v=2qM3Zps_0pE&feature=player_embedded
At 3:34. How in the WORLD does it detect metal? I wasn’t able to find anything on the web about it. Can anyone explain it to me please? Maybe offer some code or something …
Thanks.
EDIT
How in the world is this not a real question? It’s a programming related question asking how do you use an Android device to detect metal. I just don’t understand some of you guys 🙂
well, you could use a magnetic field sensor, which is what I think they use in that video.
http://developer.android.com/reference/android/hardware/GeomagneticField.html
If you have trouble getting it to work, post your code and we can help you out.