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I read about applications like tawkon and too close recently. I am aware that they keep a watch to the mobile's radiation level and do something when the radiation level mounts. I am impressed with those apps. I wanna learn about how they work and I wish to code a simple app that keeps track of my phone's radiation level.

I thought that the TYPE_MAGNETIC_FIELD sensor would be able to find the radiation emission. When I browsed, I came to know that it is a sensor to measure the ambient geomagnetic field i.e; the magnetic field immediately surrounding the device.

I suspect that the radiations emitted out of the mobile phone must be largely responsible for the surrounding magnetic field. If what I think is right, I hope that I must be proceeding with the TYPE_MAGNETIC_FIELD sensor.

Please let me know, if I am right. If not, please guide me to the correct sensor that can achieve my own tawkon kinda.

  • I'm afraid that's not well fit here. "Which sensor" is rather an Android independent hardware question, and programming is another off-topic at this site – which deals with end-user questions toward Android. – Izzy Feb 23 '15 at 17:03
  • The second app you linked seems to just use the proximity sensor. The first one, I would guess, simply uses signal strength as an inversely-proportional metric (since your phone will need to amplify its own signal and thus "radiation" to reach a cell tower that is further away). – Matthew Read Feb 23 '15 at 18:56
  • @MatthewRead: If that is the way 'tawkon' is programmed, will it not shout at us whenever we get complete signal strength? – Ramvignesh Mar 8 '15 at 6:17

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