[Mobile-sig] Python code to Android App

[Dipankar “Dipu” Ganguly]

My focus are the algorithms not Jupyter. Jupyter is just a dev./presentation environment for me. I have a team of SW engineers who will take my algorithmic kernels and and “package" them within an app. 

Thanks.

Dipu


Dipankar “Dipu” Ganguly
dipugee at gmail.com
Cell: 408-203-8814







> On Aug 30, 2016, at 8:24 AM, Gabriel Pettier <gabriel.pettier at gmail.com> wrote:
> 
> Python-for-android (from the Kivy project) is also an option
> 
> You can keep your Python/CPython code, you just have to write the necessary build recipes if you have any unusual C lib to build, and keep the rest of your code logic as is, i don't think anybody tried to run Jupyter Notebook with it, but there are bootstraps to display a web view instead of a kivy app, so maybe it's totally possible to make ipynb run there and display the interface in a normal android WebView.
> 
> If what you want precisely is the algorithms you are devising, not specifically IPython notebook, and you don't care for a semi-native look on your app (kivy uses OpenGL to display everything, not the native toolkit, which is unnacceptable for some people) you can build a different UI to display your results with kivy, which is quite efficient for rapid prototyping of applications.
> 
> Regards
> 
> On Tue, Aug 30, 2016 at 10:35:07PM +0800, Russell Keith-Magee wrote:
>> Hi Dipu,
>> 
>> The short answer is “not really” - especially if you’re hoping to have an
>> actual user interface.
>> 
>> The problem is that Android *really* wants you to run Java. You *can*
>> compile CPython for Android, but that code won’t have any easy access to UI
>> elements like buttons - you need to use JNI to bridge into the Java
>> runtime. Another approach would be to play around with running your Python
>> algorithm as a service on your tablet, which your UI then interacts with.
>> 
>> Another approach is to use VOC, which is a Python compiler that outputs
>> Java classfiles; this is a fairly new tool (so it isn’t feature complete
>> with Python yet), and it isn’t the fastest option, so if you’re doing image
>> processing, it might not be the best idea.
>> 
>> Jython would also be an option - but Jython doesn’t currently compile on
>> Android, due to some binary dependencies that Jython has.
>> 
>> So - it *can* be done, but you’re going to need to get your hands dirty if
>> you want to make it happen. There isn’t an easy, ready-to-use,
>> just-deploy-it solution for Android.
>> 
>> Yours,
>> Russ Magee %-)
>> 
>> On Tue, Aug 30, 2016 at 7:13 AM, Dipankar “Dipu” Ganguly <dipugee at gmail.com>
>> wrote:
>> 
>>> I am developing image processing algorithms in IPython under Anaconda
>>> Navigator’s Jupyter on my Mac running OS 10.11.6. Is there a way to convert
>>> that code easily into an Android to run on an Android tablet?
>>> 
>>> Thanks.
>>> 
>>> Dipu
>>> 
>>> 
>>> Dipankar Ganguly
>>> Consultant: Strategy/Technology/Commercialization
>>> Bothell, WA
>>> Cell: 408-203-8814
>>> email: dipugee at gmail.com
>>> http://www.linkedin.com/in/dipugee
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
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