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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9
votes
2answers
116 views

Why doesn't Android compass react to magnet?

I downloaded Compass program for Android and tried to bring strong magnet close to it. The pointed remained stable, as if there was no magnet nearby. Here is the video proof on YouTube. I have ...
-1
votes
0answers
13 views

home automation PCB via USB for Android [on hold]

I am working on a project for home automation. I want to design a home automation product with Android Tablet. I would need to connect at least 5 hardwired sensors to the device, such as door sensor, ...
1
vote
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 ...
2
votes
1answer
2k views

Light sensor not working after Lollipop update

After upgrading my Nexus 5 to Android OS version 5.0 Lollipop, an issue has occurred: light sensor doesn't work properly when I am trying to call someone. Screen always stays on and I am not able to ...
1
vote
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 ...
-1
votes
1answer
35 views

Measuring temperature using built-in laser in Nexus 5x

I know it's possible to measure temperature using a laser, and Nexus 5x phone has laser-based focus. So it might be possible to use reading of the laser input and output to gauge temperature at what ...
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
22 views

Accelerometer unaligned on y axis in my android

When i place my phone samsung A5 1st edition on flat surface it shows y axis -1. I used #0# and under that sensor settings. There is not even calibration setting in my phone. I tried placing it on ...
10
votes
4answers
33k views

What is a “Hall” sensor, and what is it used for?

On Google's specs page for the new Nexus 5, the Nexus 5's built-in sensors are listed as: Sensors GPS Gyroscope Accelerometer Compass Proximity/Ambient Light Pressure Hall ...
1
vote
2answers
30 views

Every Sensor Stopped Working

Recently I have discovered that literally all sensors on my Note 4 suddenly stopped working. This include the proximity sensor as well as the gyroscope sensor and GPS, etc.: Screenshot (click to ...
0
votes
0answers
26 views

Can the Samsung Galaxy S5 measure blood pressure through an app?

I already know it can do heart rate, but I'm asking for blood pressure. Can the Samsung Galaxy S5 on Android measure blood pressure through an app? If not, do I need a special hardware?
0
votes
1answer
29 views

How to remap device's sensors to touch screen?

I want to play Moto Racer on Fpse (psx emulator) with device's sensors. I installed Tincore but I have no clue on how to remap the sensors to touch the screen. In my head you had to remap the ...
2
votes
0answers
297 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?
3
votes
1answer
35 views

Light sensor values differes from device to device - are the readings reliable?

I have launched an onboard sensors reading application on 2 phones: HTC M8 (Android 6) and Motorola Moto G (Android 5). Those phones lays on my desk one just next to the other. And light sensor's ...
1
vote
2answers
278 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?
0
votes
0answers
38 views

Send Multi-touch/Sensor from one phone to another

Hey folks I'm trying to connect two Android devices. I want to send the Multi-touch/Sensors from one device into another device for testing (long story to why :) it's for testing my apps). DO any of ...
-1
votes
1answer
1k views

g sensor not working at all

I have an Asus memo pad, All of the sudden its g sensor stop working, I tried accelerometer and bubble, they show that g sensor not working at all. any help?
4
votes
0answers
37 views

Disable android Sensor only for Call

I'm using device GT i 9082, Android 6 AOSP ROM. My phone has a problem. While answering/dialing call, putting phone near to ear the screen goes off - this works fine but when taking phone off the ear ...
5
votes
6answers
19k views

Turning on Android device with motion detector (external device?)

Problem I'm looking for a motion detector that can be set up to wake a rooted Android (4.3) tablet and turn the screen on when someone passes by it in a radius of maybe 2-3m. Ideas I'm definitely ...
1
vote
0answers
53 views

apps fail to access orientation & magnetic sensors

I've just started using a Doogee Nova Y100X Android-based phone (it's android 5.0). It seems that my apps can only access some of the phone's sensors: accelerometer seems to work, proximity and ...
3
votes
1answer
109k views

How can I calibrate the tilting sensor on Android

I have an Android mobile which seems to be of Samsung, or at least a clone thereof. I got it for my wife as a present, so I don't really know which one. Under the battery pack it says "Model: 19502" ...
1
vote
0answers
802 views

Sensors Start N Stop Working

I own a Galaxy S4 I9505 device. Earlier I was running the stock based Custom ROM (Imperium 16.1, Android 4.4.2) on my S4 and there was no problem at all. That ROM gave me supreme performance, ...
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 ...
0
votes
0answers
144 views

Can multiple devices send data via Bluetooth to a single device parallelly?

I am working with Sensor Tags by Texas Instruments. These Sensor Tags (CC 2541) have multiple sensors like accelerometer, gyroscope, magnetometer, humidity sensor, temperature sensor and pressure ...
0
votes
0answers
493 views

Unable to tilt in Temple Run in IdeaPad K1 3.2

I'm using Lenovo Ideapad K1 tablet-android version being 3.2. I'm UNABLE TO TILT while collecting coins in Temple Run. Is it because Android 3.2 doesn't support tilting or is there a problem with my ...
2
votes
0answers
79 views

Compass only working in GPS status app, not in any other apps

On my Nexus 5 (Android 6.0) the compass is working fine in the well known GPS Status & Toolbox app, but not in any other app like Google Sky Map. To debug the problem, I installed a dedicated ...
3
votes
1answer
48 views

How to prevent tablet working when laid flat?

My son has the bad habit of putting his tablet flat on the floor (even though it has a hard-shell case with built-in stand) and leaning over it, which is an ergonomic nightmare. No matter how much I ...
0
votes
0answers
53 views

Accelerometer doesn't work when screen is turned off in Alcatel Flash Plus (Android Kitkat)

Which makes it impossible to use pedometer apps when the screen is turned off. Is there a way to force the accelerometer to work even when the screen is turned off? I'm using an Alcatel One Touch ...
0
votes
0answers
126 views

Can I fake phone sensors data?

Context : Most of my LG G3 sensors are broken following a water damage. The main problem is the broken auto-rotation sensor that prevent me of taking photos in landscape mode. I known some ...
0
votes
2answers
3k views

Difference between Accelerometer, Orientation sensors used in Android devices

Android phones have sensors. I heard about following sensors but there is need to identify difference (or different use) between following terms: Accelerometer Orientation Auto-Rotation G-sensor ...
0
votes
1answer
30 views

Can my Android phone detect when it is in the shade?

Is there any way I can get my Android phone to tell me when I am in the shade? These days the sun is pretty damaging for my skin and was curious about how I could measure this. Maybe if I put it in ...
0
votes
1answer
334 views

Storing & getting the device orientation (yaw, pitch, roll) when taking a photo

I want to take a photo and use the stored GPS coordinates and the orientation of the phone to do some calculations. How can I access that information? Alternatively if there is an API to do that I ...
2
votes
0answers
188 views

Using PC to control Android (ex : using mouse or keyboard to tilt, rotate, emulate gyroscope, etc)

Is there any way to input fake sensor data from PC into your android phone (not the opposite)? Like using WASD from PC to make your android phone thinking they are being tilted, rotated, etc even ...
0
votes
1answer
1k views

Google Sky Maps does not follow pointing direction. How can the sensors be calibrated?

I have a new Lollipop device (Moto G 2. Gen) and wanted to use Google Skymaps. This worked like a charm on my old device. Now the display is not following the movements of the phone in the right way. ...
1
vote
0answers
22 views

Sensors values change / jacl

Is there any way to hack, overwrite x,y,z and other values of sensors? I mean I want to write a bot to sensor based games to test them. But I cannot change the source of games or stock api of the ...
0
votes
0answers
39 views

Devices names from android system

for several days I'm trying to find devices ( accelerometer, g-sensor etc ) names and placement of theirs drivers? I'm new to android and linux and can't figure out where can I find this info. I was ...
0
votes
0answers
43 views

What are the sensors required for any fitness app to track my activities?

Can any an Android mobile phone track my fitness/activities regardless of the sensors in the mobile phone? If not, what sensors do I need to look for before I buy a good mobile phone to track my ...
0
votes
1answer
10k views

How to calibrate magnetic sensors using Cyanogenmod?

I am using a Samsung Galaxy S4 mini with Cyanogenmod (11) and want to calibrate the compass / magnetic sensors. With the stock rom this was possible by "dialing" *#0*#. This is however not ...
0
votes
0answers
85 views

Get the list of applications using a sensor in android

I want to get: The list of applications or pids using a particular sensor in android. Or Sensors used by any particular application. Is it possible?
1
vote
0answers
94 views

How can I set the Accelerometer Sensor Range?

The Accelerometer Sensor is set to a Range of 2 - 4 g on most devices. There is no option to turn it up to 8 or 16 G, which my sensor and most others are capable of. I found some information but can't ...
1
vote
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 ...
0
votes
0answers
29 views

which sensor is capable of tracking the emr

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 ...
0
votes
1answer
4k views

Accelerometer on Moto G is bad from factory?

I got a Motorola Moto G a few weeks ago and unfortunately it came with what I suspect is a failing accelerometer. I say that because when I open any level (bubble) application it reads random numbers ...
0
votes
2answers
267 views

Z axis nexus 4 incorrect. Software or hardware?

I noticed that before I upgraded to Lollipop my z axis of the lge accelerometer of the nexus 4 used to be 10.2 m/s^2 (which was wrong but closer to accurate). After I upgraded it is now 10.6. Is this ...
0
votes
1answer
3k views

Enabling the accelerometer on android phones

are the accelerometers on Android always on? or is it possible to enable/disable them? Does by chance activating/deactivating the setting "Auto-rotate screen" by chance activates/deactivate the ...
1
vote
1answer
140 views

Where is the Light Sensor of Google Glass?

The GDK document says that light sensor is available on Google Glass. But the document has no information about where the sensor locates on the Glass. It seems that there are two possible positions: ...
2
votes
1answer
773 views

Physical placement of specific sensors in Google Nexus 7 (2012)

I am working on a project that requires me to know where specific sensors are physically located inside the device. I can estimate the location of NFC and light sensor (of course) but what about other ...
0
votes
1answer
1k views

How clean master measure device temperature

Clean master app latest version added the feature device cooler when CPU is overheating. I want to know that how this app measure the temperature of device if there is no hardware support (sensor) is ...
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, ...
3
votes
1answer
365 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 ...