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
2k views

Accelerometer problem in Galaxy S2

In my Galaxy S2 I think that the accelerometer is not all right. When I play games like Asphalt 7 or Temple Run, the character in Temple Run and the Cars in Asphalt 7 always turn left even when my ...
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2answers
309 views

Accessing light sensor raw data

Is it possible to access light sensor raw data logs from an Android device (in my case, an LG Optimus)? If so, how is this possible and what format would the log be in?
3
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1answer
383 views

Emulate touch scrolling by rotating device - tilt to scroll

Does anyone know of an app that emulates a swipe touch or slow scrolling action by simply rotating the device? presumably by using the accelerometer sensor. This could be used for example in a pdf ...
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2answers
191 views

What information is available to an app from the magnetometer?

I would like to know what other functionality is provided by the magnetometer inside android devices besides allowing applications to display a compass. Can an app do anything else with it besides ...
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0answers
1k views

Auto rotation, proximity sensor issues in Xperia Arc S after updating to ICS

My auto-rotation and sensors was working fine in my Xperia Arc S with Gingerbread, but when I updated it to Ice Cream Sandwich via Sony PC Companion, now the auto-rotation and some sensors are not ...
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1answer
716 views

Is there any android support for bicycle sensors?

I've seen some Bluetooth Smart (4.0) technology for tracking tire rotation rate (bike speed), peddle rotation rate (cadence) and even heart rate monitors. Some heart rate monitors are supported by ...
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1answer
411 views

Is it possible to intercept and override sensor events in Android?

I want to intercept sensor events in Android and override (fix) transmitted data. Is it possible? The solution should work for all applications using that sensor. UPDATE I need to override ...
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0answers
303 views

How can I map tilt to a physical keyboard?

How can I map tilt/accelerometer functions to a physical bluetooth/USB keyboard to play the games that support it?
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1answer
3k views

Which hardware sensors are supported by Android? [closed]

Which hardware sensors are supported by Android? Are there any imaginable sensors that may be planned to be supported in the future? For every sensor: How is the sensor useful? Which devices ...
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1answer
8k 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 ...
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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 ...
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1answer
2k 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 ...
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1answer
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 ...
2
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1answer
4k 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
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1answer
103 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
7k 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
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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 ...
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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
741 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
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2answers
634 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
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2answers
7k views

What does the pressure sensor measure?

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