Questions tagged [application-development]
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.
281
questions
145
votes
6
answers
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How to get my software into Ubuntu?
As a developer of free software, I want to get my application into Ubuntu.
Should I provide a source tarball and ask for packaging? Or should I create a package myself? Should I target Ubuntu ...
276
votes
6
answers
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When installing user applications, where do "best practices" suggest they be located?
Occasionally I install applications manually, rather than using apt or another package manager.
What location (/usr/, /usr/local/, /opt/, /home/, etc.) is suggested by "best practices" for the ...
42
votes
18
answers
65k
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Is there a Visual Studio style tool/IDE? [duplicate]
I have been developing in the windows space with Visual Studio for a while now with work, but I have also been using Ubuntu for a while and am keen to get into some software development for linux.
I ...
84
votes
7
answers
77k
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What is the best way to develop apps for Ubuntu? [closed]
I want to write applications for Ubuntu. I do not know much about programming but I want develop for Ubuntu. I am trying to learn Python right now. What do you think is the best way to develop apps ...
38
votes
3
answers
34k
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How to start an app with "Always On Top" set?
There are a couple of applications that I find myself marking as "Always on Top" every time I use them, so I wonder if there is a way to automatically set them as so, whatever way I start them (menu, ...
23
votes
3
answers
6k
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Is it possible to use Python with the Ubuntu SDK?
David Planella wrote in his answer to a question I posted that:
...the recommended way to develop apps for Ubuntu is the Ubuntu SDK.
So I installed it, but looks like the supported programming ...
20
votes
2
answers
10k
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How can I get started with developing apps for Ubuntu Touch? [closed]
I am interested in trying the new Ubuntu for phones OS development. (I am not an Ubuntu developer, I am new to Ubuntu. Impressed by the Ubuntu Touch preview, I got interested in learning how to ...
19
votes
0
answers
2k
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How do I start developing a lens for Unity? [duplicate]
I would like to know how to create one of those lenses for unity. I know how to program. but I don't know where to start. Are there certain libraries I should use or docs that I should read? Are there ...
38
votes
2
answers
16k
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When to use gconf vs dconf?
Both gconf and dconf editors are available. Given the change to dconf should we still be using gconf at all? Do changes in gconf actually do anything when running 11.10?
10
votes
2
answers
8k
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How do I start developing applications for Ubuntu on mobile devices?
I've come away a little confused on how to develop mobile apps for Ubuntu.
First of all, do developers need the Ubuntu operating system to develop for Ubuntu?
Is it possible to develop Ubuntu apps ...
19
votes
5
answers
15k
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Run system commands from QML App
I want to run a system command from inside my application. It's suppose to run a command on a remote server using SSH. But that's not really the point. The point is that I don't know how to run any ...
8
votes
1
answer
437
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Create a quickly app with build dependencies
I am creating a Quickly app in Ubuntu that depends on Python Twisted, which is available in the package python-twisted. How should I add python twisted as a dependency so that it will be installed ...
36
votes
5
answers
30k
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How do I get started creating an Ubuntu Desktop App?
I want to create an Ubuntu desktop app, specifically to replace Gwibber.
I can code in Java, Python and a few other technologies. Adobe Flex would have been an option until Adobe decided to suck some ...
32
votes
1
answer
12k
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What are Click packages?
I noticed that Ubuntu SDK recently had some updates and it installed a program named "Click". I would like to know what they are and how to use them.
Also, would they make Debian packaging easier?
19
votes
2
answers
1k
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Why is some software not in the official Ubuntu repositories?
To install some applications, we need to add a repository to the system. Why didn't the creators just put them into the Main or Universe repositories, though those applications have GPL license and ...
15
votes
0
answers
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How do I put a package into the Ubuntu repositories? [duplicate]
Possible Duplicate:
How to get my software into Ubuntu?
I've created a Python application for Ubuntu. How do I package it and submit it for possible inclusion in the universe repository?
10
votes
1
answer
2k
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How to create a new Quickly application template?
Cannot find the answer elsewhere,
I'm asking for a documentation of the process to create a new template for quickly. I'm interested in writing a pyside (python + qt4) template like the pygtk one.
...
7
votes
1
answer
297
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How to troubleshoot Quickly packaging failures
I have created a Quickly app and I'm trying to create a package for distributing it through the Software Center.
However, whenever I try one of the Quickly packaging commands (package, share, release ...
37
votes
3
answers
43k
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How can I get a java apps to use the GTK+ theme?
Is there a way to get java apps to use my gtk theme?
25
votes
2
answers
21k
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How to read dbus-monitor output?
I'm playing around with dbus-monitor to try and understand how dbus is working in Ubuntu environment. I have several questions in this regard:
Could you please let me know how to read the following ...
15
votes
1
answer
889
views
How do I add a slider to an AppIndicator?
I'm trying to add a slider to an AppIndicator similar to what the Sound Menu has. I've looked trough the code of the Sound Menu and found that I should be using libido-0.1 for that. Here's what I have ...
8
votes
4
answers
3k
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How to create a scope?
I'd like to create a custom scope that searches and returns results from an online source for personal use.
Is this possible? And if so, how?
3
votes
2
answers
1k
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How do I simply run an ubuntu touch app from the terminal?
I've got a qml file and I just want to ssh to the phone and do
qmlscene myfile.qml
Is it possible without doing all that stuff with SDK and packages? Just vim and some simple commands that can fit ...
34
votes
3
answers
53k
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Installing gtk development environment
Not new to Ubuntu or programming but I am new to programming in C and gtk. Have been using Quickly for the odd program. I want to play around with C and gtk.
What gtk packages do I need to install to ...
27
votes
4
answers
1k
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How can I publish my project code online so someone can help me with it?
My local project has some code that is not working, and I'd like to show it to someone to have a look at and possibly give me a hand with it. This isn't a short snippet or a single file; there are ...
26
votes
3
answers
11k
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How to create Unity indicators?
I'm interested in Unity indicators and wonder if there is any tutorial on how to program them. I can use the sources of the existing ones as last resort, but I'd prefer a more friendly approach ...
19
votes
4
answers
5k
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Developer resources for desktop apps?
On developer.ubuntu.com most resources seems to be targeted to Ubuntu touch. If I wanted to write an Ubuntu desktop application, where can I start?
Is the Ubuntu SDK for the desktop too? I read that ...
15
votes
2
answers
17k
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How do I view or install Ubuntu Touch apps?
Lots of people have started developing Ubuntu Touch apps for the Ubuntu App Showdown and just in general, and have published them in the Click App Store.
What is the Click App Store, and how do I ...
12
votes
1
answer
1k
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Is there any web API for Software Center available?
I wonder if there is an API available for using contents from the Ubuntu Software Center on my webpage. I know The Ubuntu Apps Directory website contains an almost complete database of applications ...
7
votes
3
answers
7k
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Can't install qt-components-ubuntu because I'm using full release of QT 5.0.0
It appears that since I didn't install the beta1 version of QT5 from the ppa, I'm unable to use the Ubuntu components package. I have the released version QT5 already and not interested in installing ...
42
votes
8
answers
29k
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How do I develop .NET apps on Ubuntu?
at college we use Microsoft .NET for developing applications. I recently switched to Ubuntu and would like to know similar tools for making apps on/for ubuntu.
36
votes
7
answers
8k
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How do I develop an Ubuntu application in HTML and JS?
I am developing an app and I think HTML and JavaScript are better for the future, but I cannot find any tutorials (I need the app to use the system theme).
Are there bindings for Unity, message menu ...
24
votes
3
answers
5k
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How to add support for the global menu to a python non-gtk, non-qt app?
I'm looking for good documentation (an example, tutorial, or guide) on how to add global menu support to a non-gtk, non-qt application. (In gtk it works 'magically' for the main menu...).
The ...
23
votes
4
answers
6k
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How to program a status icon that will display in Ubuntu as well as in other distributions?
The application in question does some action (here connecting audio to network streams) and runs minimized if these actions were successful. Therefore a status icon is needed to display the state of ...
22
votes
2
answers
3k
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What is the black header widget in some programs?
In some of the ubuntu programs (ubuntu control panel, system settings), but not e.g. in banshee, the top part of the window contains elements in dark tone (with the Ambience theme). But I cant find a ...
21
votes
3
answers
14k
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How can I install commonly used developer tools?
Is there a meta-package for installing commonly used developer tools such as cmake, autoconf, g++, etc.? The intent is to have roughly the same range of command-line tools as one has after installing ...
18
votes
4
answers
9k
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Writing indicators with Python, GIR and GTK3
I'm writing an application that needs to use an indicator. I've done this in the past using PyGTK and GTK2, using as reference this document: https://wiki.ubuntu.com/DesktopExperienceTeam/...
16
votes
7
answers
30k
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What 2D/3D engines and game SDKs are available? [closed]
What 2D/3D engines and game development SDKs are available that run natively on Ubuntu?
Please limit one engine/sdk per answer - and include why you enjoy the engine/sdk.
15
votes
4
answers
11k
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How can I theme my Qt app to resemble one written in Gtk?
Mark Shuttleworth recently blogged about the decision to include the Qt libraries in the 11.10 release, with a followup from Jono Bacon. The thing that puts me off Qt apps is that they don't blend in ...
14
votes
1
answer
568
views
How do I apply the fixes suggested from the App Review Board to my app?
I submitted my app to the Ubuntu Software Centre, and it just got reviewed by the Ubuntu App Review Board (ARB).
I got an e-mail suggesting some fixes, and I'm not sure about the next steps I should ...
13
votes
1
answer
4k
views
Apport support for non ubuntu packages
I have been reading about apport and its usage for a week by now. But could not understand the below things.
Scenario:
I have developed an application and packaged it. And its name is MyApp.deb. The ...
11
votes
2
answers
2k
views
Quickly template for PyQt?
Because I like Qt and Python, is there a Quickly template for PyQt similar to the PyGTK one?
11
votes
2
answers
2k
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Is PyGTK still relevant?
I'm new to Linux but not to app development. I come from a RealBasic on a Mac background.
I've accepted that I need to learn a new language to develop for Linux (since RB won't run on 64 bit distros ...
8
votes
6
answers
15k
views
Which window has current focus?
I'd like to know (programmatically) which window has current focus. Is there a window-manager independent way of discovering that?
Otherwise, how does one determine which window has focus in Compiz ...
7
votes
2
answers
3k
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What GTK widget is this?
Lately, I've seen the widget below appear in GTK applications. I can't find it in Glade. What is it?
6
votes
1
answer
1k
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How do I submit .jar file to the ubuntu software center
I am writing an app using JAVA Swing for all platforms.
After that I want to add this app to Ubuntu Software Center for free Is it possible?
My app is just one *.jar file, its helping to play card ...
5
votes
3
answers
4k
views
Changing Python default in 12.04 LTS
I have downloaded and installed python 3.2.3 for Ubuntu/Debian. Also IDLE IDE for 3.2.3.
If I execute IDLE for 3.2.3 explicitely, 3.2.3 runs under IDLE and all is well.
But if I go to a terminal ...
5
votes
2
answers
4k
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Saving user settings in QML/JS
I'm working on a small game and i'd like to know how can i write/read a user settings file in ubuntu touch?
5
votes
1
answer
662
views
Where does Quickly get the PPA name from?
I am trying to publish an app with Quickly:
$ quickly share
Get Launchpad Settings
Launchpad connection is ok
ppa:umpirsky:ppa does not exist. Please create it on launchpad if you want to push a ...
4
votes
4
answers
10k
views
C# on Ubuntu 12.04
Is C# a good choice for Ubuntu programming? For example, Unity, or applications that will run on Ubuntu? Am I doing good wanting to learn C# when I'm determined to stick with Ubuntu and develop on it ...