Sprint HTC Hero :: Light Sensor And Screen Intensity Linearity
Dec 30, 2009
I've noticed that when viewing the screen in a darkened room that the screen is actually too dark. Yet in a normal setting that the screen is correctly lit. I've tried increasing the intensity to maximum with the sensor enabled and it's still to dark in the darkened room. Now, I've disabled the sensor entirely and the screen just runs wide open all the time - day or night.
Has anyone else felt that it was too dark in the darkened setting? I'm wondering if there is a setting (probably not yet written for the phone/OS) to vary how linear the light sensor is at darker levels? Maybe a 'minimum darkness' adjustment?
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Feb 8, 2010
I have a HTC Hero here, and when I tried to get the list of available sensors on the device by calling ((SensorManager) getSystemService (Context.SENSOR_SERVICE)) .getSensorList(Sensor.TYPE_ALL); I get only the following sensors: D/SensorManager( 6302): found sensor: BMA150 3-axis Accelerometer, handle=0 D/SensorManager( 6302): found sensor: AK8973 3-axis Magnetic field sensor, handle=1 D/SensorManager( 6302): found sensor: AK8973 Orientation sensor, handle=2 D/SensorManager( 6302): found sensor: AK8973 Temperature sensor, handle=3 According to the specs, there should be a light and a proximity sensor on the Hero, and I've seen it in action (the automatic screen brightness adjustment) - so at least the ambient light sensor is definitely there. My question is then, why doesn't the getSensorList return for me the light and the proximity sensors?
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Aug 9, 2009
I've seen claims that the Hero has a light sensor, and I see the "automatic" backlight enabled in Settings, but I'm not seeing much in the way of backlight adjustment occurring.
Even in an otherwise dark room, the backlight seems very bright. Occasionally I see the backlight go dim and then almost immediately come back up.
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Nov 7, 2009
I am not sure which is the culprit, but while playing back video or even at random times, the screen shifts lighter or darker seemingly at random, and one time during a video playback on the TV.com app, it went black altogether. I am not sure whether it is the timer or the ambient light sensor, but I am tempted to turn the sensor off and push the timer back a lot.
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Dec 5, 2009
The only thing that I've found that I dislike about this phone is the way it alerts you about new text messages. Is there a way to make your phones screen light up when you receive a text message? Also is there a way to set a reminder like every few minutes that you have a text message? Say if you receive a text message while you're away from the phone then two minutes later the phone vibrates or sounds to remind you that you have a new text.
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Jun 13, 2010
Is it even that big of a deal on the Hero, and is the app even useful?
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May 21, 2010
I had real problems until with my phone until I loaded the proximity sensor. I had a little trouble getting it to work but when it did, it remedied the one thing that I disliked about the Hero. I loaded 2.1 yesterday and generally I like it EXCEPT I cannot get the proximity sensor app to work again. Has any one else had this issue? Suggestions?
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May 20, 2010
I'm having some troubles with the light sensor on the Nexus One.
AFAIK, the proper way to read the measures of a sensor is registering a SensorListener through the SensorManager and then wait for the readings on the onSensorChanged method.
My main problem is that the light sensor don't seem very accurate (the readings jump a lot) and I don't get the first reading until the lighting conditions change. I have to change the phone orientation, go outdoors or hide the sensor with my fingers or otherwise I don't receive any value. Is there any way to increase the accuracy or, even more important, to force an initial reading?
BTW, I have tried with SensorManager.SENSOR_DELAY_FASTEST but I haven't noticed any change.
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Nov 14, 2009
Well, I know its software also, but is it hardware too? Because if not, then I was thinking, couldn't HTC just add it later on if they wanted it to?
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Nov 24, 2010
When you talk on the phone in Android the light sensor is working. If you cover the top left corner of the screen, the display turns black and you can't see anything. I would like to cancel that feature and I tried working with Android Sensors and the Light Sensor but it is not working. This is my code:
senMgrLight=(SensorManager)getSystemService(Context.SENSOR_SERVICE);
senMgrLight.registerListener(onSensorListener,
senMgrLight.getDefaultSensor(Sensor.TYPE_LIGHT),
SensorManager.SENSOR_DELAY_FASTEST);
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Apr 23, 2010
I've got an HTC Desire from a T-Mobile store 3 weeks ago. The ambient light sensor has never worked and it's enabled on the display settings.
I went back to the T-Mobile store and they tried a brand new unit. Unfortunately, that one also seem to have the same issue. Then I called the HTC technical support and they say there are no reports on such kind of issue.
If not, does the display brightness get adjusted quickly or slowly?
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May 6, 2010
Where is the ambient light sensor located?
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Jul 22, 2010
I have milestone for 3 days good phone,camera performance surprised me expecting worse but...when i am making call display turns off and non of buttons work even i can hear ringing or person who i call then i have to slide phone slightly or fully to switch display-phone on.it wasn't working since the beginning but when i installed task manager it was working properly almost one day,next day again bad.the same story after hard reset.
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Jun 10, 2010
Have an Issue. Whenever i am in a call if i take the phone away from my ear the screen doesnt turn on. It does this 98%of the time or only when i need to use the keypad during a call. It does this in stock form and also using open home. I always keep the screen clean. Is there a fix for this? I am not able to get my bh2 to connect to a pc so i cant root or install custom roms. Also the keyboard lag is rediculous. I tried better keyboard and it was just as bad if not worse.
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Feb 15, 2010
I am writing a program and I am able to get the light sensor value and current battery level, but only the light value changes and when the battery level changes. Is there a way to get these two values anytime? Like when a user runs my program, I would like to grab the current values right away instead of having to wait for them to change.
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Aug 7, 2013
i bought a mtk6577 clone s3. My problem is sometimes i rebooted phone, after opening proximity and light sensor doesn't work. screen don't turn off in call and doesn't call the person displayed on screen when i take ear. And battery drains too much. (example: when proximity and light sensor works with %90 battery, when it doesn't work after reboot plummets to %50).Another issue is when i reboot phone, boot animation doesn't show when proximity and light sensors don't work.
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Aug 13, 2010
I´m trying to read the values of the Light Sensor of my Nexus One, but I´mgetting only following values:
10.0
225.0
And in a few cases some values much higher.
The used code:.........................
Does anybody have experience with the light sensor on the Nexus One or another Android device? Is my code the correct way to read the values? How can I get better and more accurate values?
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Oct 4, 2009
I have read and watched many reviews on the Hero and I have yet to hear or read about a notification LED light. I know it sounds like something that isn't important, but to me it is.
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Jun 4, 2010
Is there a way to have the phone still display notifications using the LED when he phone is charging? As it stands, charging the phone keeps the light solid.
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Mar 30, 2010
I want my hero to do something. Can the trackball light up or anything with notifications?
Can I change the LED colors? the pattern? Something!? I know that i can flip it over to silence it.
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Apr 19, 2010
My notification light comes comes on as it should , but only blinks for maybe two minutes then stops. Is there any way to have it stay on until you check ( like on all my other phones i have had ?
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Feb 9, 2010
So a guy I work with has a Droid Eris and the ball will light up when he has a missed call or a text. Is there a way to get the Hero (sprint) to do this? Also it seems the phone has two lights on the front? I have only seen the red/green light, light up.
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Dec 26, 2009
I don't like having to listen for a beep or feel it vibrate. Would be nice if it could flash the LED like when I get an email. Any ideas?
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Feb 25, 2010
I am just wondering what would make the trackball light blueish? Even the menu and search icon looks blue.
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Nov 19, 2009
I am kind of new to the Hero community came from palm pre, is there a setting for the trackball to light up when i get or miss calls, MMS, gchat? If yes where do I go to enable it.
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Dec 22, 2009
I find this extremely annoying that at night when I am using the scroll ball that the thing keeps lighting up, and then shutting off, lighting up..etc.
Is there a way or an app that shuts off the lights to the hardbuttons/trackball?
This is especially necessary in the day time when i can see the buttons, i don't need them illuminated.
When I owned a palm, there was a program call KBlights... shut of the keyboard, hardbutton lights.
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Feb 8, 2010
Ok, sSand it wont do anything but light up green. Even if I go through and push call contact still nothing. Not even with the green button.? I did get a force close of android phone (I think that is what it said)
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Oct 17, 2009
I'm using the new US version of HTC Hero (I believe it's running 1.5) and I noticed the following pretty annoying problem that I cannot seem to tweak.
If a new calendar event or alarm come in, the screen briefly lights up to show what the message is, and then turns off after a short while. That way, I don't have to turn it on, pull down the protective screen, then the notification bar, etc.
However, with email, SMS, gtalk, and the like, the screen doesn't light up. There are settings for having a sound or vibrate, neither of which light up the screen. When I press the Menu or power button, the new notification sits happily in both the lower part of the screen and the notification area.
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May 19, 2010
has anyone else updated and sees there trackall and button lights staying on AS LONG AS SCREEN IS ON? i cannot turn this off and its annoying during video playback
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Jan 15, 2010
Can anyone tell me where the light sensor is positioned on the Nexus One? One of the reasons I returned the Droid was I hated how the light sensor was positioned in the upper right corner. My fingers would frequently block it causing the auto-brightness to change unnecessarily and annoyingly. I know on the Droid Eris it is on the left and I'm hoping HTC did the same with the Nexus One.
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