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What is ambient light sensor in android phones



Sensors Overview Android Developers

12.22.2017 | Jessica MacAdam

Most Android-powered devices have built-in sensors that measure motion, orientation, and various environmental conditions. TYPE_LIGHT, Hardware, Measures the ambient light level (illumination) in lx. Phone position during a call.

The natural orientation for many tablet devices is landscape. Another point to understand is that your application must not assume that a device's natural (default) orientation is portrait. And the sensor coordinate system is always based on the natural orientation of a device.

1 This sensor type was added in Android 1.5 (API Level 3), but it was not available for use until Android 2.3 (API Level 9).

The data delay (or sampling rate) controls the interval at which sensor events are sent to your application via the onSensorChanged() callback method.

6 Cool Android Apps to Make Use Of Sensors on Your Phone

10.20.2017 | Logan Miers

My phone is the Droid, and it features an accelerometer, a proximity sensor, an ambient light sensor, and an e-compass to name a few.

However, there are times when you may want to know what the status of your phone’s GPS system is – such as how many salites are transmitting, your current GPS directly and location and more. Many GPS-enabled Android apps simply connect to GPS salites and initiate the application with your location. The GPS Status app taps into your GPS receiver and provides you with all of that information in a very cool graphical format.

Ryan has a BSc degree in Electrical Engineering. He's spoken at national conferences on Data Visualization and has been featured on national TV and radio.

An Introduction to Android Sensors

7.17.2017 | Jessica MacAdam

Android tablets and smart phones come with a number of inbuilt sensors. here we look at the Light sensor – Detects intensity of ambient light.

When you are considering purchasing a new android phone or tablet or using android for a particular task, then you will need to ensure that the device supports the required sensors.

Air humidity sensor – detects moisture and used in weather and fitness Apps.

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Necessary if you want to use your phone/tablet in conjunction with a smart watch. See understanding Bluetooth and how smart watches work with tablets.

Htc one v - What does the ambient light sensor look like?

11.21.2017 | Logan Miers

Naive question, but when I check the specs of a phone, one website says phone has feature Here I am interested in the ambient light sensor.

If you call someone, take a look at the front of your phone. You will see a steady red glow from the top left of your screen, this is where the proximity and ambient light sensor are housed.

What does it look like, and where it is usually placed?

If GSMarena has said that it has light sensors, then in my experience, its near 100% correct.

This is covered at XDA Developers forum thread: Where is the One X's ambient light sensor? By Tiersten:

FYI: HTC ONE models S, X, V, EVO 4G LTE are very much alike in physical conception.

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BTW, if you can't bring light sensor to work, there is a free software called Lux Auto Brightness which does the job very nice and has many options.

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For comparison the text says I should see the proximity sensor too.

Advanced Sensors in Mobile Devices

5.15.2017 | Logan Miers
What is ambient light sensor in android phones

Proximity On Android, returns number of centimeters distant Not. Ambient Light Sensors Implemented as multiple photodiodes.

Filmed at qconlondon.com. He is an adjunct professor at Carnegie Mellon University, the author of several books on various computer science topics, and an avid ultramarathoner. Adam Blum is a longtime CTO/VP of Engineering/cofounder of several successful startups in the web services and mobile spaces including Commerce One, Systinet, and Good Technology. Adam Blum covers the latest smartphone capabilities, how developers can use them to stay ahead of the pack, giving real world examples of hardware and applications that are at the forefront of this ever-changing frontier. Twitter: @adamblum. Video and slides synchronized, mp3 and slide download available at URL http://bit.ly/19opABE.

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Published on Sep 21, 2013.

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