Heart Rate Sensor - Galaxy S 4 Q&A, Help & Troubleshooting

Hi!
I recently found an application called Runtastic Heart Rate In the Google play store.
It's almost like the S5 one but a little bit different because it uses the Camera and LED flash to measure your heart rate.
Here's a link to the app (free version) so you can try it out for your self!
https://play.google.com/store/apps/details?id=com.runtastic.android.heartrate.lite
And here's the paid version wich offers more features!
https://play.google.com/store/apps/details?id=com.runtastic.android.heartrate.pro
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Does is work for real?
Sent from my GT-I9500 using XDA Premium 4 mobile app

You got to be really naive just to think it measures your heart beats with the camera and LED flash...

Really try to read a little bit more before you say that.
Sent By Gama
---------- Post added at 11:51 PM ---------- Previous post was at 11:49 PM ----------
Sent By Gama

these apps work BUT the distance between led and camera on S4 is big so there is no / little accuracy.
I used one of these apps with S2 and worked fine

arindam_mitra1985 said:
Does is work for real?
Sent from my GT-I9500 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Yes when I use it I get like 95% accuracy
If you don't believe me you can use the app to see what you get.
After that go into the clock app and click on the stopwatch tab then click start. Count your puls for 15 sec and multiply it by 4!
Then you see how accurate this app is.
Sent from my GT-I9505 rocking the best and only Phoenix Rom v9.4 by @tamirda

Smartphones can already detect blood oxygenation if you put the finger over the camera and let the LED light shine through the finger. It's mostly used for pulse. I've tested this out, and it does work quite accurately most of the time.

Related

Post Pictures from your Xperia Play!

Hello Everyone,
I haven't seen anyone start a post for this yet so I thought I would get the ball rolling. The only edits that have been made to these photos is resizing and reorienting. I've also made some comments at the very end.
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I know some of the critics knock the XPlay for not having the best camera, but I think hardware-wise it is pretty decent. The problem is the software that it comes with, which is the native android camera app. It kinda sucks!
* No touch to focus
* No metering options (which really blows....highlights and all)
* No focusing square to tell me what it's focusing on (it highlights the whole screen)
Thankfully since it's a software issue hopefully it will be remedied...either by Sony for the hacking community trying to port over the Xperia Arc/Neo Software.
Anyways, please post ur photos if you have a XPlay!
Here are some if mine
Sent from my R800i using XDA Premium App
My son, Taken in darkness
Pictures of one of the "knights" at Camelot, my dog, and my daughter feeding the goats at Camelot. I'm fairly sure you can work out which is which!
I find the flash tends to wash out the pictures, but I believe this is true of all camera phones with LED flashes.
BLT hehe
Sent from my R800a
Oh yeah, forgot to mention, I use the Vignette app rather than the stock camera. Lots if options available there.
Sent from my R800i using XDA App
Can you adjusting the metering with the vignette app?
Amongst the many other settings, yes.
Was bored waiting for some friends this afternoon, so I played around with tilt shift a little bit.
http://imgur.com/mWGdnl&X8r16&MzivC
Clyzm said:
Was bored waiting for some friends this afternoon, so I played around with tilt shift a little bit.
http://imgur.com/mWGdnl&X8r16&MzivC
Click to expand...
Click to collapse
Those look cool. Kind of look like toys.

Having problem with my sgn`s rear camera

Hi guys. I m having rear camera issue.. When i open the camera app to take the picture my camera showing some lines going up again and again and when i take the picture that lines comes visible in that picture.. Need some help i am uploading some clicked pictures from my phone( l8nes are visible in these pics) please tell me something and please ignore my bad english thanks.
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Sent from my GT-N7000 using XDA App
I had that today, it was interference from something in the hospital I was in, as soon as I went outside it was fine, i went back in, problem returned.
Swyped from my finger, to your face on my Samsung Galaxy Note, using Tapatalk!
Are you sure? U had the same problem like me?
Sent from my GT-N7000 using XDA App
RavenY2K3 said:
I had that today, it was interference from something in the hospital I was in, as soon as I went outside it was fine, i went back in, problem returned.
Swyped from my finger, to your face on my Samsung Galaxy Note, using Tapatalk!
Click to expand...
Click to collapse
Are you sure? U had the same problem as mine?
Sent from my GT-N7000 using XDA App
folks, this has also been answered a few times:
these "lines" are optical interference between the scanning frequency of the CCD and the frequency of some artificial light sources! other cam apps have the ability to enable a suppression for that (according to your grid frequency), the stock cam app of the note however does not have this function (or it has a very poor automatic for that)!
only chance: change the light-source or try to optimize your position!
OR: use a cam app which has a satisfying suppression function!
IF you have that lines also with no artificial light-source and in all cam apps then please take my apologies and replace your device!
Ahh.. I have the same thing on my work.. Guess the fluorescent lamps on the office interfere with my camera or something..
Nothing to worry about..

*#0*#

*#0*# try to draw a zigzag in high speed and post you pic
I cant post mine directly i need adm to allow my profile. I cant upload mine now 2omorow i will do it.
Sent from my GT-N7000 using XDA
da fuq? don't understand a thing.
afasseeh said:
*#0*# try to draw a zigzag in high speed and post you pic
I cant post mine directly i need adm to allow my profile. I cant upload mine now 2omorow i will do it.
Sent from my GT-N7000 using XDA
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I'm guessing he is talking about the s-pen test that is one of many options when that digit string is entered in the dialer. Zig zag attached.
I am talking about touch screen test not the spen one, sorry I didn't make it clear
If I'm thinking right, you're referencing to how our note's seem to have an issue with super fast swipes on the screen? I've noticed this issue when playing Fruit Ninja, especially with the final fruit in arcade mode which you can repeatedly slash to boost your score. On my Galaxy Nexus I can swipe back and forth all day really really fast with no issues. It seems to not fully detect on the Note and you'll get broken trails. When I used imilka's CM9 this problem seemed to be resolved or at least the touch response seemed much better over stock. Also when I used the CM9 build it seemed as if banding and the video pixelation/distortion issues where a lot less. The new official CM9 builds may be even better since they have their own kernel built for them
there ... no problem... and i also have no fruit ninja problem.... seems you may have a defective unit... i would have it checked out...
now could you please only post once about a problem and not open another thread with a different title but its about the same thing you asked in the other...http://forum.xda-developers.com/showthread.php?t=1626810
you can edit posts and even the title if you are the creator... it helps not clog up the forum ... plus it helps keep some of the crankier members from totally ripping into you...

[My new APP] AirDraw - draw your text in the air by waving your phone !

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Hey,
Just finished developing another app.
This time it's AirDraw.
What it actually does is flashes the letters of a word that you enter according to your phone location when you are waving it.
The outcome is like you are drawing in the air.
Its downloadable via Google Play for free (a little admob ad is inside, thats the reason it needs an internet access permission)
https://play.google.com/store/apps/details?id=com.ValkA.airdraw
here is a slow shutter photo I shot while waving the phone (thats on LCD, which isn't that good for that purpose):
If you like it you are welcome to Like my facebook page.
ps.
notice that the app is at early stage, so any ideas are welcome !
LCD has slow response time, but AMOLED should be better.
I haven't tried that on AMOLED display so i'll be happy to hear about your experience, if possible some slow shutter photos are very welcome and will very help me to improving the algorithms.
Does it have to have full network access?
Sent from my Galaxy Nexus using Tapatalk 4 Beta
In super amoled it works perfectly
Inviato dal mio GT-I9070 con Tapatalk 2
It worked really well, some improvements could be made into visibility and sometimes it turned a word around but further it worked flawless
sent from my Xperia Ray using tapatalk 3
matgras said:
It worked really well, some improvements could be made into visibility and sometimes it turned a word around but further it worked flawless
sent from my Xperia Ray using tapatalk 3
Click to expand...
Click to collapse
I know that issue, shouldn't be a problem to fix it in the next updates.
bleeeeeeek, it needs internet access only to show an AD (that is my motivation to keep developing free apps)

What do you have written in your "Edge screen text"?

Mine says:
"SWIPE ⇩⇩ TO OPEN THE EDGE PANEL, Dumbass"
For when my friends (and curious random people) are checking out my phone
(and to remind me which direction to swipe because I can be a dumbass)
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"Living on the Galaxy Note Edge!"
"Swipe Me Bi**h!"
Mine says "Mind the Edge" or "Edge of Sanity" \m/
Sore wa himitsudesu それは秘密です
^-^
-sent from the edge of the note galaxy-
"tony, from river city miami"
Put the phone down before you get hurt!
Maxed out the number of characters with that one.
Edge of Glory
Sent from my SM-N915T using XDA Free mobile app
"What are you looking at?"
Life is Hard...... After All, It Kills You.....
Mine says: "Such is the Edge Life"
btw. there is no option to make the text more visible, like div. fond or size...???
Mine says "Can your Apple do this?"
crowlaw said:
Mine says "Can your Apple do this?"
Click to expand...
Click to collapse
:good::laugh:
"Ive got a curved screen, *****es!"
Sent from my SM-N915P using XDA Free mobile app
Ebola Chan is Real
"I got a dig bick"
Sent from Uranus, the only planet with a ring on the inside.
Mines is a kriby background and says
"You can be anything"
"WTF Mates? Autism for Winners"
Sent from my SM-N915T using XDA Free mobile app
Nothing. Mine is blank. I can't stand the cartoony childish-looking Samsung cursive font.
pieces of cake said:
Nothing. Mine is blank. I can't stand the cartoony childish-looking Samsung cursive font.
Click to expand...
Click to collapse
I wish there was a way to change the font! I am honestly surprised that Samsung hasn't implemented this yet. Hopefully it will come soon!

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