Writing applications for Ubuntu (including Ubuntu Touch) and questions about the application submission process to the Ubuntu Software Center. This covers both open source and commercial applications.

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Deploy app on OpenStack deployed locally on single machine

I have deployed OpenStack using DevStack on single Ubuntu 12.04 machine running all services. I actually have to develop a Private Cloud Document Management System Now, I want to know that how do I ...
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1answer
26 views

What does desktop_Exec mean?

In a review for my click package, the message contained this bit: desktop_Exec What do I bear in mind to fix it?
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1answer
49 views

How can I pin the toolbar so that it remains revealed?

An always-revealed toolbar would be more suitable for a pointer-driven interface. How, using the Ubuntu SDK, can I set the toolbar to be (and remain) revealed?
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1answer
1k views

Which scopes are available in the default Ubuntu installation?

After I've installed Ubuntu, which scopes are readily available to return results from the Dash?
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1answer
362 views

How can I get a list of all apps in the Ubuntu Software Center?

I´am playing with Software Center's API, after seeing this post on askubuntu. My question is: how can I get a list of all Ubuntu Software Center's apps? From the other question I get this endpoint ...
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1answer
337 views

How to simulate a USB plug?

I have an app that implements some automations when an USB key is plugged. While developing, I have to test it in a specific environment (derivative from Debian Squeeze). The app subscribe to HAL ...
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38 views

Debuild does not recognise some files [duplicate]

Possible Duplicate: Why does 'quickly package' fail with “An error has occurred when creating debian packaging”? I have submitted an app for the Ubuntu App Showdown and ...
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2answers
166 views

How to use gsettings from /opt

I have to use gsettings from /opt so that ubuntu maintainers will accept my application. I may not use /usr or any of the underlying directories so /usr/share/glib-2.0/schemas is not an option.
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1answer
82 views

Set up apt-get remove commands in deb file (dh_make)

So, I'm trying to package my Python app, Virtuam. My question is simple: how can I set the commands which run when I remove the program using apt-get?
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1answer
2k views

How to change GtkWidget background in GTK3?

I'm trying to use override_background_color on some GTK3 widgets but they still showing up with the default background color.
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1answer
93 views

What are the different application directories in a quickly ubuntu-application template for?

When you create a new ubuntu-application with quickly you will notice that it creates a directory structure like this: MyApp/ setup.py bin/ help/ tests/ setup.py MyApp/ MyApp_lib/ What are each ...
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1answer
66 views

Is a port of an existing program eligible for the App Showdown?

For example, the original program is Xlib based, and I port it to GTK3. What about porting my old gtk2-based app to gtk3? Are either of these two eligible for entrance into the App Showdown?
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8answers
417 views

Can I make apps for ubuntu using a Windows PC?

I develop windows software . Does anyone know? how I can make application/software for *buntu using a windows pc?
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1answer
2k views

Why is /dev/rfcomm0 giving PySerial problems?

I am connecting my Ubuntu box to a wireless readout setup over Bluetooth. I wrote a Python script to send the serial information through /dev/rfcomm0. The script connects fine and works for a few ...
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2answers
698 views

QT code for U Touch returns `qmlscene: cannot find qt installation of ''`

I'm trying to start developing for Ubuntu and Ubuntu phone, but I get an error: qmlscene: cannot find qt installation of '' when I attempt to run my application in Ubuntu from the command line. I'm ...
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2answers
141 views

What in Quickly creates an empty …/share/gnome/help/…/C/figures/ folder?

Something in packaging scripts creates an empty figures folder where it's not present before this packaging. Where is it?
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2answers
262 views

Do you need sudo rights to shutdown on Ubuntu?

I am looking to migrate a Snoozer application I originally wrote in windows on AutoIt, which when it comes down to it is a Shutdown Snoozer. I list faling asleep to a movie or show, but I wake up if ...
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1answer
86 views

Removing my app from Ubuntu's PPA [closed]

As I've sent my app to Ubuntu's PPA using quickly submitubuntu and its version was wrong (12.07... right is 0.1!) Details of the app: Virtuam 0.1 Developed with Quickly (Python/GTK+3) Uploaded (as ...
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1answer
219 views

Quickly: how do I return entered data into parent window?

at last I started a simple project (you tube video downloader) in quickly , But got stucked . I added youtube url entry dialog using quickly add dialog command and ;linked it to new button . How ...
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1answer
84 views

Can I submit an application started one year ago to the Ubuntu App Showdown?

I started developing an application one year ago. I published it in SourceForge and it runs in Ubuntu, but I did not send it to the Software Centre. May I send it to the Ubuntu App Showdown contest?
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1answer
131 views

Import “prompts” in quickly (Simple Player tutorial)

I am following this tutorial on quickly. At one point I have to write from quickly import prompts in the file called SimplePlayerWindow.py. But when I do that and run my application, I get the ...
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1answer
56 views

Quickly, syntax error: media_grid.show()

i run the app and get this error. the little arrow points to the 'd', dont know what that means. plus i had the same error just before but on this line: from quickly.widgets.dictionary grid import ...
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1answer
111 views

some questions related to ubuntu app showdown

I have some questions about ubuntu appshowdown My questions: Can i submit more than one app in the contest and tell me more about this suppose i submit 5 apps out of which one is won then will it ...