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When I use accelerometer in my Android app, sometimes I have to low pass filter it; when I use compass, I have to do some calculations to find the azimuth; etcetera, etcetera. Does anyone know a good android library that would make it easy to use sensors, without coding such calculations by myself?
There is library a guy mentioned in DroidCon. Its called SensorFusion.
Haven't been able to locate the exact library , but here is a nice article briefing on what needs to be done to improve the readings recieved from various sensors.
http://www.thousand-thoughts.com/2012/03/android-sensor-fusion-tutorial/
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Is there a way to do it without GPS?
And, in the best way, without network.
Thanks.
Accurate speed measurements require some form of distance/time calculation, unless you want to play some hairy games with the accelerometer and don't mind being completely wrong.
See e.g., http://www.chrobotics.com/library/accel-position-velocity
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I am familiar with basic android application development and now assigned with the task of
making an android application which needs to perform DSP functions for audio signal processing. I would like to have basic knowledge about the C/C++ libraries which i can use along with android ndk and embed it into my android application.
I have already checked and went through many solutions available here but none satisfied my requirement, please share the links from where i can get such libraries which i can use.
Sorry if my question is not clear to answer as i am new to asking questions here.
Thank you for your response...!!!
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I don't know how this is called but I guess you know what I mean by looking at the screenshot (there sometimes also is a finger pointing at the bright part of the screen).
Since this looks exactly like the little tutorial-like hint you get when you first install a new Android rom / start up a brand new Android phone: is there a standardized way or library or whatever for this?
Yes, this is library. Check it out: Showcase View library
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I am new to iOS development and probabily don't know all of the tools that are available in market.
I need to get a time based analysis of logs and resource(CPU, memory, network) consumption. I am using Little Eye tool for my android applications but can't find anything for iOS.
http://www.littleeye.co/
Apple includes a tool called Instruments that does exactly what you're looking for
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I have been looking around for a good Android AR toolkit to play with. I have found a few references but I am not really sure which ones to try. It seems to be a lot of work just to get any demo's working.
My requirement is that I want to be able to detect AR Markers/Tags. I would then look to add a 3D model based on the orientation of the marker/tag. A nice basic cube would be a great start :D
So do any of you have any recommendations?
I have just tried http://code.google.com/p/andar/ and it is not too bad. I would really like one that has some better project examples and well documented source code.
Oh, and as this is currently only for playing with I don't want to be paying any money for it.
You can try looking at NyARToolkit