Starting an AndroidService from a kivy app

[ingo....@googlemail.com]

Dear Kivy users,

I'm trying to run an AndroidService from a kivy app. The first steps went quite well and I can successfully start the service. Yet, it seems that there are some problems with the communication. I followed the example on kivy planet (http://kivy.org/planet/2014/01/building-a-background-application-on-android-with-kivy/), but I can't even get the example to run. I have never used buildozer before and have no clue what to edit in the buildozer.spec file (in fact, buildozer reinstalled ant although I already had it installed). So buildozer didn't work at all yet. I'm just plainly compiling my python4android using distribute.py and then build using

build.py ./build.py --dir path/to/my/app --package org.test.MyApp --name "MyApp" --orientation portrait --version 1.1.0 debug installd

My app doesn't really start. I see a short flash on the phone's screen and then the service is started and I see the respective icon in the task bar, but the app has crashed. My kivy-logfile .kivy/logs/kivy_14_09_21_2.txt ends with

[WARNING] stderr: File "/home/ingo/Hacking/python-for-android/build/python-install/lib/python2.7/socket.py", line 187, in __init__
[WARNING] stderr: socket.error: [Errno 13] Permission denied

The above mentioned kivy planet article points out that when modifying the buildozer.spec file I should not forget "to add the NETWORK permission". Yet, the same error remains if I request the NETWORK permission with

build.py ./build.py --dir path/to/my/app --package org.test.MyApp --name "MyApp" --orientation portrait --permission NETWORK --version 1.1.0 debug installd

Notably,

adb shell pm list permissions

doesn't list a NETWORK permission in this form, so I feel that I might just have to request the right permission.

How do I correctly get kivy.lib.osc to work? Which permission should I ask for? I feel that I'm asking totally useless questions and I would appreciate any help.

Thanks a lot in advance,

Ingo

[Ben Rousch]

Try the INTERNET permission instead of NETWORK. http://developer.android.com/reference/android/Manifest.permission.html

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 Ben Rousch
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[knappador]

Yeah, it's just network.  As a side-note, I have used file-sockets before on Android and they work.  The app permissions protect the socket in that case.  It's better for serious stuff than taking up TCP/IP resources I think.

[ingo....@googlemail.com]

Thanks Ben,

Try the INTERNET permission instead of NETWORK. http://developer.android.com/reference/android/Manifest.permission.html

I had tried INTERNET instead of NETWORK before, without success. However, it worked this time. So I guess, it was a good thing to be encouraged to try again. Other things are not yet working, though... I might have to write another mail to this list once I have abetter idea what it is.

[ingo....@googlemail.com]

On Tuesday, September 23, 2014 5:49:44 AM UTC-4, knappador wrote:

Yeah, it's just network.  As a side-note, I have used file-sockets before on Android and they work.  The app permissions protect the socket in that case.  It's better for serious stuff than taking up TCP/IP resources I think.

That sounds interesting. Are you suggesting that file-sockets should work without network permissions? But isn't the kivy.lib.osc based on python socket? And wouldn't that be file-sockets?