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I’m developing some C++ Android code and I realized that my animations are happening at only 10fps on an actual low end phone.
Has anyone ever seen Choreographer limit the FPS at such a low number?
Also I am using 32bit color and the default is 16bit.
Hypothetically if the cpu were very slow it might, but this is an octacore so I’m doubting that.
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I am trying to write a program that analyses the analogue audio content of an incoming call on an Android device - i.e. frequency / amplitude.
I have been looking at ways of trying to do this using Android Studio, but can't see anything obvious, any ideas on this would be really appreciated, thanks
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I want to make custom os for a smartglass but I have no experience AOSP where should I start from and what are the things that I should take into consideration.
As for me, first you need to think about the DevKit, which is supported by AOSP out of the box. For example, in my projects I use HiKey960. The link below describes the basic steps of getting AOSP sources, building them, and target flashing: https://source.android.com/setup/build/devices#960userspace
Once you have buildable and runable AOSP, you can try adding your own functionality: application, services, native daemons, HAL implementation, and so on.
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How many applications can run in background at a time in android phone?
It depends on your phone RAM.
if there is no space for other running applications then android kill background application.
I agree fully with Sumit Pathak an like to add that you can go to developer options and set the amount of maximal background processes :)
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My Application works all good but for some users a functionality isn't working. How to look after this, when the application is working fine for me and most of the users and not for some. How to debug it?
You could use a bug tracking tool. I am using this one, it's really easy to use: splunk mink but there are also others like instabug, appsee or others.
The deal with such tracking tools is that you get live data from the app usage, errors, crashes and other useful information you can use to improve your app.
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I need to process elements in large array and due to performance issues i need to do this in GPU of android device. please give a idea to implement this.
Please take a look at http://developer.android.com/guide/topics/renderscript/compute.html. There are also some other examples and sample projects using RenderScript online. Note that there is no way to reliably access the GPU on Android, because not all Android devices have GPUs capable of doing compute workloads. RS is the preferred method for accelerating parallel work.