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Support Galaxy compass broken, or just bad sw?

Discussion in 'Android Devices' started by KlaymenDK, Sep 15, 2009.

  1. KlaymenDK

    KlaymenDK Android Expert
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    Hum, I'm also wondering if the compass in my Galaxy is broken. Help me figure this out, please!

    The Compass application is frequently way out of alignment (>90
     

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  2. damuffinman

    damuffinman Well-Known Member
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    I second this post, I'm having all those 'small issues' above. I call them 'small issues' because I rarely use Google Maps, the Compass, the Barcode Scanner (I don't have a data plan at home, only back in the UK).
     
  3. m4j3r

    m4j3r Newbie
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    In my case compass is showing in right direction. Dont know about showing compass in maps though becouse I haven't used it yet.
    About barcode scanner...yeah I got simmilar problem, it's really hard to get a capture. But later I instaled one other barcode scanner (can't remmember name, sorry) and it scanned barcode in a moment. So here is probably problem in application (only supporting htc cameras or somehing).
     
  4. Bomberman

    Bomberman Android Enthusiast
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    There's an update out that fixes the flash/overexposure problem for the galaxy - no link, sorry :(
     
  5. m4j3r

    m4j3r Newbie
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    Yeah it's fixed with h7 update. Not sure if it helps with barcode scanner problem though.
     
  6. momagic

    momagic Member
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    The compass doesn't work at alll. It always shows the wrong direction.

    I'm comparing it to my Samsung i8910 which always shows the right direction.

    Samsung does this to me all the time! Foirst the i8910 and now the i7500! Why can't they release a phone that actually works first time around?
     
  7. Rastaman-FB

    Rastaman-FB Android Expert
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    compass is good because?

    man theres maps and sat nav lol

    btw the barcode scanner works fine for me. its about the distance you hold it from the barcode and makesure you done have it near too bright light as it starts to whitebalance it
     
  8. momagic

    momagic Member
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    A compass is good for moslems like me.

    :)
     
  9. Russ Dill

    Russ Dill Well-Known Member
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    The compass issues seem to be fixed in H8. Also, with the "Barcode Scanner" application, it seems to do a white level calibration when it starts, but never again. Point the phone at what you want to scan (or something else bright), *then* start the barcode scanner application.

    Also, I don't know if this is meant for people to just feel better, to look silly in a large open space, or both, but you can try it

    Ichimusai’s Place
     
  10. momagic

    momagic Member
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    Compass defo isn't working properly in H8.
     
  11. KlaymenDK

    KlaymenDK Android Expert
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    If for nothing else: I paid well enough for it, so it had better work! :D
    Seriously though, maps and sat nav are for moving around. When you're standing still, you need a compass. Also, the Sky Map and Street View apps rely on a compass reading.

     
  12. Rastaman-FB

    Rastaman-FB Android Expert
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    i just think its one of those things that is just a gimic and should not be taken seriously as an app at all
    i mean, if you are in a situation where you really need to use a compass then the likeliness is that you need to use a real compas and put the phone away. you maybe lost, wasting your batteries on a phone with no area to charge it for a compass when you can use a real one that costs next to nothing is a bit silly is it not?


    if i were samsung i would never of included it as its just a cause for people to moan about a pointless app that doesnt work

    how does street view rely on compass reading. its not accurate anyway as if you are away from wifi signal streetview is slow and pretty pointless.

    skymap is a cool thing but seriously, they are gimics, i dont buy a phone for gimics. if i did i would have bought an iphone
     
  13. chrism_s

    chrism_s Newbie
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    My compas iss laggy and inaccurate as well. I really liekthe concept of a compass with GPS, it makes turn by turn routing much mroe accurate, makes google streetview really useful by moving the image with the device. It'll improve Augmented reality apps like Layar as well.

    Plus, as eper all othersmartphones on the market that include compasses, this is far from a gimick inclusion and has real world use so should work as advertised.

    (IMHO)
     
  14. photon00

    photon00 Well-Known Member
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    My compass is also faulty. Very slow and its definition of North varies massively. I compared it with my friends HTC Hero which works very well and they are leagues apart. Checked and both phones were running the same version of compass.
     
  15. Rastaman-FB

    Rastaman-FB Android Expert
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    alot of compasses on smartphones are diar
    if the htc works and this doesnt then one would assume its because the memory making the software laggy and unresponsive (128meg max ram)

    as much as you can say its not a gimic i really dont understand why you would use a compass in street view to rotate an image for a street you are in when you could just turn your head. if your not in the street just use your thumb its quicker
    sat nav systems tell you when you are needing to turn in yards etc. if you are focusing on compass along with the sat nav while driving then i would not like to be in a car with you are you are not focusing on the road.

    yeah it should work, granted but i think its the least of the problems with the phone thats all.
     
  16. KlaymenDK

    KlaymenDK Android Expert
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    Yes, you're right -- but I bought this so I wouldn't need my (better) pda and (ancient) phone as two separate devices. Think of this as a swiss army knife. How practical is it really to stuff your pockets full of things you might need?

    True, but alas it seems all modern phones are gimmicky. The Android-based ones seem to be the most useful gimmicks though.

    Okay, so maybe Street View is not the best example; let's consider augmented reality applications then. There really is practicality in knowing how your device is oriented.

    I think a lot of what is considered gimmicks now is really merely immature. I'm sure the first mobile phones were seen as terribly gimmicky as well. After all, everyone has a phone at home and there are (well, were) pay phones all around, right? Well, there are (or have since arisen) good uses for them anyhow.


    ... aaaanyway, this thread was not about the use(ful|less)ness of compasses per se, but whether or not they are error-prone and/or broken in this particular model.
     
  17. Rastaman-FB

    Rastaman-FB Android Expert
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    yeah no worries sorry for taking it off topic
     
  18. hippy

    hippy Well-Known Member
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    I've also turned on the compass using Spare Parts on my Samsung and there's nothing vaguely compass-like appearing in any of the maps. I'm NOT running the latest firmware. I'm not comfortable updating it yet until I've worked out all the pitfalls and how to backup, etc.
     
  19. Rastaman-FB

    Rastaman-FB Android Expert
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    ok just installed this app as i realised it wasnt a default app.

    looks as if it uses gps to pinpoint the poles then uses the accelerometer to pin point direction.
    I would imagine this fails because the samsung have not put much effort into the accelerometer due to it only being used for screentilts as its not very sensitive.
    also ive found its very depended on how you hold the device
    its more accurate when laid completely flat on a table as apposed to standing up with device at a normal 70% angle

    if you tilt it from normal holding to completely flat youll see what i mean

    that last point isnt a device issue. that would affect any device with accelerometer that uses this app making the compass pretty inaccurate regardless.

    1st point is samsung probably didnt think about accelerometer accuracy for compass use probably to similar points i made above
     
  20. Xenon

    Xenon Well-Known Member
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    Compass doesn't rely on accelerometers, it has a magneto-something sensor
    of its own. A simple principle basically: you put electric current through a coil
    and you get magnetic field which tries to align itself just like a magnetic
    needle would.

    In my opinion the Compass should be tested only outdoors as computers and
    other indoor electric equipment seem to desorient it.

    I agree with KlaymenDK in demanding the thing to work properly. I don't care
    whether it's the main focus of the phone. It's there, it's not that complicated
    and it should work.
     
  21. Xenon

    Xenon Well-Known Member
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    The barcode applications work properly now that patches for Galaxy
    have been made. It used to activate the flash all the time. It isn't
    as fast as in the video (hey, it's a promotional video, they probably
    picked the products beforehand and practiced a little) but it's
    fast enough.
     
  22. Rastaman-FB

    Rastaman-FB Android Expert
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    its not a default app for samsung tho. not everything works well with every device. the physical components of each device are different.
    if its not accellerometer based can you explain why holding it vertical makes it inacurate as it would be the same magnet and the same current regardless of vertical and horizontal orientation


    edit have you seen this?

    http://www.mobilizy.com/enupdate-samsung-galaxy
     
  23. KlaymenDK

    KlaymenDK Android Expert
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    You just answered your own question: what happens when you turn a regular (needle-based) compass on its side? Its plane of measurement is all wrong in relation to the plane of the magnetic field, and it will do its (poor) best.

    Hey, thank you so much for linking that article! It's good to know that the issue has officially been recognized by Samsung, even if we're still struggling with it. I've just downloaded that "SensorTest" app to play with it, and I might even write to Mobilizy to ask what the latest official status is. If I do, and I hear from them, you'll be sure to hear from me.
     
  24. Rastaman-FB

    Rastaman-FB Android Expert
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    i was never really any good at boy scouts lol
    this would be why.
     
  25. Russ Dill

    Russ Dill Well-Known Member
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    Don't know what to say. With H8, my compass always points north with the phone flat, vertical portrait, vertical landscape, 45 degree portrait, 45 degree landscape. Tested with "GPS Status" by reading digital heading indicator. If I get near a large metal object (such as a filing cabinet) or near a computer, it deviates.

    I have not confirmed, but I imagine because every similar device has it, that the Galaxy has a 3 axis accelerometer and a 3 axis compass. This allows the device to determine which way is down, and which way the magnetic field lines point. Combining your GPS position allows for a true north correction.
     

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