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.

learn more… | top users | synonyms

10
votes
1answer
204 views

How should I display units in my application?

There is inconsistency in how various operating systems display file size units. Windows shows base 2, MacOSX shows base 10. Does Ubuntu have guidelines for this?
14
votes
6answers
2k views

Wanting to start development for Ubuntu (and most Linux distributions in general), which is suitable? Python or Vala?

I'm a computer science graduate, and learned languages like C, C++, C# and Java. Though I have more experience with Java. I want to develop for Linux and I'd prefer to develop for GNOME, I'm confused ...
8
votes
1answer
313 views

Would a Unity lens written for Unity 3D also work in Unity 2D?

I am thinking of writing a few lens features to link Unity into some business web applications, do I have to target both Unity variants separately or can I do one and assume the other will just work?
10
votes
3answers
3k views

Where do applications typically store data?

I was wondering if there was a standard location for storing user level application data. What I mean by that is stuff like Firefox bookmarks, Skype message history/password, etc. I'm asking because I ...
11
votes
1answer
1k views

What is the preferred way to store application settings?

From a developer's perspective. Should I use a text-based config in /etc or in $HOME? Or something else?
4
votes
1answer
627 views

How to add a MIME type with a project created in Quickly?

I've built an application I want to release however I would like the files to open with the application. I have modified the .desktop file accordingly, however quickly seems to have no option for ...
5
votes
1answer
326 views

Any good place to get started with Ubuntu desktop widget development?

Any good place to get started with Ubuntu desktop based widget development or any plugins based development? I'm looking for something similar to Yahoo Widgets. Are there any SDK ( Software ...
16
votes
2answers
1k views

Developing Unity compliant apps in Python - where to start?

I'm an experienced programmer who is interested in developing apps for Linux, specifically GTK, and more specifically apps that are Unity compliant. Aside from the obvious step of learning Python, ...
2
votes
1answer
79 views

Indicator menu from gtk.Builder ui string

I've created an indicator that I think should work, but doesn't. I've added the UI interface from a glade file, loaded it and added the menu to appindicator. The following is the entire source code ...
3
votes
1answer
256 views

How can I get html code from the web with vala(gtk)?

How can I get a html code from some site(e.g. www.google.com) using vala(gtk)?
3
votes
3answers
495 views

How to make a deb pkg for my pygtk app?

I write a pygtk app and want to make a deb pkg for it. $ tree WebPad/ WebPad/ |-- jspad | |-- __init__.py | |-- main.py | |-- t.py |-- pixmaps | |-- c.png | |-- run.png | `-- webpad.png ...
14
votes
1answer
716 views

How to enable overlay scrollbars in my app?

I'm testing my app in Natty 2nd beta, in which most applications are showing the new overlay scroolbars, I guess only non-native GTK apps can't show it (like LibreOffice or Firefox). My app is coded ...
5
votes
3answers
628 views

App Inventor for the Ubuntu platform?

Will Ubuntu have something like Google App Inventor to easily develop applications for the Ubuntu platform? Is Quickly intended to do that? I heard Ubuntu is planing to make easy and fun to develop ...
8
votes
1answer
893 views

How can I make Chromium app windows count as “their own application” in the Unity launcher?

I'm trying to add a Chromium app window (chromium-browser --app=http://example.org) to the launcher. I've put together a .desktop file and it works, but all instances of Chromium get lumped together. ...
1
vote
4answers
877 views

What are some IDEs for C/GTK2 [duplicate]

Possible Duplicate: C programing suites/IDEs What is the best IDE for C + GTK2 programming? I currently use gedit and try MonoDevelop.
2
votes
1answer
223 views

How do I run a script automatically when I start an app?

I want to run a script automatically when an application start. How would I do this without making the script run at start-up? My current approach is writing a script with an infinite loop and made ...
3
votes
4answers
739 views

Setting up a build system for Python app

In trying to sort out this issue, I have run into the following problem. I have a Python script that gets installed to /usr/lib/. But I need to get this script into a build system so that I can get ...
13
votes
2answers
627 views

What are the conceptual and technical differences between “Apps” and packages?

I'm a bit confused by the recent announcement (http://developer.ubuntu.com/2011/09/announcing-the-ubuntu-app-developer-site/) of the new "App" developer site. I've fallen out of Ubuntu development and ...
3
votes
1answer
125 views

What do I need to tell a developer if I want them to move their indicator under a system indicator menu?

As a follow-up to my question on reducing indicator clutter and the implication that apps are supposed to group themselves under existing indicators I'd like to submit requests to one or four ...
2
votes
1answer
196 views

Ubuntu One CORS support

I am in the process of trying to build a webapp that integrates with Ubuntu One. It would seem that I am unable to authorize a user as per ...