Use this tag for questions related to issues with sensors equipped in devices, such as: Ambient light (ALS), Accelerometer, Back-illuminated sensor (Backside Illumination, BSI or BI), etc. Note that 'compass', 'gps', 'gyroscope', and 'proximity-sensor' have their own tags.

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1answer
7k views

My phone is giving inaccurate readings of battery level

I have a Huawei u8160 running Cyanogenmod 7.2 . my phone is giving inaccurate readings of the battery charge level (e.g one day morning it was 33 that day evening it became 34 without touching the ...
9
votes
3answers
4k views

What does the ambient light sensor look like?

Naive question, but when I check the specs of a phone, one website says phone has feature X, the other says it does not have this feature. Here I am interested in the ambient light sensor. What does ...
2
votes
1answer
1k views

Test Accelerometer alignment?

Is there any app around that lets an Android user see the "flat" on the accelerometer? The reason I'm looking for such is because I recently got the Need For Speed Shift game. And I notice that the ...
0
votes
0answers
493 views

Does anyone has magnetometer working on Samgung Galaxy Tab 10.1?

I am comparing the behavior of "Compass" program from Smart Tools and the "natural" old-fashion physical compass and see the former is not working correctly. Is this a manufacturing defect or by ...
0
votes
1answer
1k views

How would one use the Android accelerometer to measure one's mass? [closed]

Pretty much what the title states. The Android CDD says of the Accelerometer MUST be able to deliver events at 50 Hz or greater MUST comply with the Android sensor coordinate system as ...
2
votes
2answers
1k views

Can you damage the proximity sensor if you keep it always on?

If you keep the proximity sensor always on (like for applications that turn on the screen when you tap the sensor a few times) is there a risk to damage it? I'm assuming that the sensor works only in ...
1
vote
1answer
3k views

The meaning of 3 axis values of magnetometer [closed]

Could someone explain to me the meaning of 3 axis x, y & z of Magnetometer
0
votes
1answer
102 views

Is there a way to estimate building movements? [closed]

I wish to determine if, or how much, movement there is of the building in which I'm currently living. Is there any way for me to do this? Is it even possible at all based on phone hardware?
4
votes
2answers
6k views

How does an android compass application work?

I recently installed a Compass app on my phone (it's a HTC Wildfire S if it matters) and I'm curious as how it works. Found some answers online that the phone's hardware has a digital compass in it, ...
12
votes
5answers
5k views

How does in-pocket detection work?

My Droid Bionic has an option on the Display Settings page "In-Pocket detection: locks your device automatically when inserted in pocket" How does the phone sense that it's in your pocket? I'm ...
1
vote
2answers
1k views

Can a phone without a gyroscope measure angles sufficiently?

It seems that a gyroscope sensor is currently not so common amongst Android devices. But does an accelerometer (in conjunction with the compass?) provide enough accuracy to measure angles (tilt, yaw) ...
3
votes
1answer
10k views

Does Accelerometer Sensor work on my Samsung Galaxy S2?

I have Samsung Galaxy S2 and i'm experiencing with an issue that is annoying me very much. When I do \auto rotate\ , the rotation happens after 4-5 seconds. I've done the calibrations and all that ...
2
votes
1answer
711 views

Does the Android specification include minimum sensor parameters?

Android apps can access sensor data. How do I know how accurate the sensor readings are? Is there a universal standard that specifies operational parameters of a sensor? E.g., a temperature sensor ...
11
votes
3answers
1k views

Automatic adjust brightness through out the day

It does not seem that automatic brightness works well on my Nexus S. Basically, I want my phone's brightness to adjust throughout the day. Either that, or something that automatically adjusts ...
12
votes
2answers
2k views

How does the automatic brightness settings work?

Maybe a dumb question, but I couldn't find any official documentation to confirm. Does it use the light sensor? Do most devices support it?
0
votes
2answers
629 views

Disabling the nexus-one proximity/position sensor?

I think my nexus one is trying to be too smart. For each incoming call the phone stops ringing as soon as I pick it up. That's perfectly fine as long as the phone is sitting on my desk, but when I'm ...
10
votes
2answers
7k views

What does the pressure sensor measure?

What kind of pressure does it measure? Air pressure? Finger pressure on the touchscreen?