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.
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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 ...
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147
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6
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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 ...
- 3,963
84
votes
7
answers
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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 ...
64
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5
answers
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Gradle in Ubuntu for Launchpad
It appears that Ubuntu doesn't have new versions of Gradle in their repositories for some reason. I need it for a project that will be build by Launchpad.
What should I do about this?
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What advantages does Ubuntu have over Windows as an environment for programming?
Why is writing a program in text files or via the terminal a better option (as I read) than using IDE(s) like Visual Studio on Windows?
Do the features an IDE provides exist there (eg. showing ...
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1
answer
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Should I use PyQt or PySide for a new Qt project?
Recently I've been involved in conversations about creating a Quickly template for a Qt and QtQuick Ubuntu app. The idea is to make it as easy to develop Qt apps from concept to package as it is right ...
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59
votes
3
answers
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Why no library files installed for google test?
The libgtest-dev package seems only install header files to the system, but not the static and dynamic libraries which should be installed under /usr/lib.
Is it a bug?
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votes
5
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Is knowledge of C# of any use in a Linux system?
I know C# and I like to switch between systems and use Linux. Can I use C# to build applications that will natively work on Linux? What should I do to make use of my knowledge of C# in a Linux system?
...
- 1,120
53
votes
1
answer
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Building Full Perl Support in Ubuntu SDK
I am running Ubuntu v14.04, and after some effort, I have successfully installed the Ubuntu SDK.
I need to use Perl + QML/Qt to develop a (potentially large) number of fully-functional apps through ...
- 639
45
votes
1
answer
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Using Gtk.Widgets in App Indicators with Python
In 2010 Stefano Palazzo , asked a related question, Putting an arbitrary gtk.Widget into an appindicator.Indicator, and similar one was asked on StackOverflow. In both cases the consensus is that ...
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4
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Can I write programs in C# on Ubuntu?
I am forced to learn and practice C#, is there any applications that support and can be used to write programs in C#?
- 3,297
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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.
- 7,403
43
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1
answer
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Has anyone who took part in the App Showdown gotten the promised t-shirt? [closed]
The title says all. On the contest site http://developer.ubuntu.com/showdown/ there's statement "Every submitted app also gets an Ubuntu T-Shirt!". I haven't received anything so far.
----------------...
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42
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18
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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 ...
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3
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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?
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3
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How can I install Qt 5.x on 12.04 LTS?
If you want to develop with QML 2.0 and Qt5, the base packages don't seem to exist in repository for 12.04. What PPA should I add? Is it a binary installer? a compile the toolkit yourself?
Those ...
- 29.7k
39
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2
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How to develop a System Indicator for Unity?
This is not a duplicate of How to create Unity indicators?. I'm looking for system indicator not application indicator.
Backgound:
From these two questions:
How do I add or manipulate Application/...
- 48.3k
38
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3
answers
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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, ...
- 7,966
38
votes
2
answers
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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?
- 3,513
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5
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Is there any API Document Browser like Dash on Ubuntu?
I've seen my friend enjoy using Dash, in which you could look up all kinds of language document, Java, c#, Android, Javascript, JQuery, etc. That makes life much much more easier!! Does Anyone knows ...
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7
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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 ...
user6320
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5
answers
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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 ...
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votes
3
answers
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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 ...
- 756
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1
answer
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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?
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2
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Connect WebKit WebView form to a Python callback?
I am writing a small Python and WebKit app; I am using WebKit as the UI for my app.
What I want to do is to create an interactive element in WebKit (namely a combo box or a set of clickable regions) ...
- 1,524
31
votes
4
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How to use Qt Creator with Python?
I want to use Qt for developing Ubuntu desktop, phone and tablet applications but I don't want to learn a new programming language (C++, JavaScript). Is it possible to write Qt application in Python ...
- 2,793
28
votes
1
answer
2k
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(QML) Flickable not working as supposed
So, while building an Ubuntu app I needed to use flickable for scrolling, so now I have code of the form
Page{
...
Flickable {
anchors.fill: parent
content.height: element1.height + ...
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4
answers
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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 ...
- 15.6k
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3
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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 ...
- 483
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2
answers
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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 ...
- 4,660
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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 ...
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How to lock ubuntu device orientation in portrait or landscape from user input?
I am working on a reader app to be used on Ubuntu-Touch. When reading books from the app it would be a helpful feature to lock the orientation in either portrait or landscape. This would be useful ...
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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 ...
- 143k
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3
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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 ...
- 10.8k
22
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What programming languages should I learn to become an Ubuntu developer? [closed]
Although I have used NetBeans once for a project, what languages do I need to learn to become a full-fledged Ubuntu developer?
My project in NetBeans (Java only) was to design a calculator (...
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How to find which libc version app links against?
When building an application using g++, I am not explicitly passing the libc library as a library to link against in the same way you would do it for other libraries (like passing -lpthread for ...
- 2,271
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2
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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 ...
- 5,570
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2
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How to write Appindicators in python?
I'm looking to try and develop some simple indicators, for numlock/capslock and brigthness, etc. How would I go about creating indicators in python? Are there any tutorials that walk me through ...
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votes
2
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How does Application Review Board work?
According to https://wiki.ubuntu.com/AppReviews the Application Review Process is good both for upstream software developers and Ubuntu packagers. The point seems to be that the upstream developers ...
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3
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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 ...
- 1,137
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2
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Can I sell my PyQt4-app without having a PyQt license?
I would like to sell a Python application that uses PyQt4. The commercial licenses for Qt PyQt cost thousands of Euros together. Do I need to buy a commercial license?
Consider this from a "packaged"...
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How can I install a Gsettings Schema without root privileges?
The typical workflow to install a Gsettings Schema is this:
Create a schema, with the extension .gschema.xml, with contents like this:
<?xml version="1.0" encoding="UTF-8"?>
<schemalist>
...
- 42.4k
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Can I develop ubuntu for phones apps in Python? [duplicate]
Does anyone know if we can develop apps for ubuntu for phones in Python ?
PyQT / PySide would seem to support also QML. But can we use them on the phones ?
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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 ...
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How Will App Permissions be Handled in Ubuntu Touch?
Most elements of the hardware, or data sets shared between apps on the Android and iOS platform are controlled strongly, and only provided to apps explicitly on a need-to-know basis. This can allow ...
- 563
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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 ...
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1
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How to add support for new services to Friends?
With the new friends-app landing in Ubuntu, it occurred to me that adding support for Instagram in the timeline would be cool. I also thought I might take a stab at it myself, but I'm having a hard ...
- 37.5k
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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 ...
- 2,519
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Can I develop iOS Applications in Ubuntu without using a virtual mac OS system? [duplicate]
I'm a developer of Android applications and a java programmer. I'm learning IOS programming but I don't have mac OS; I use Ubuntu.
I want way to program IOS apps in Ubuntu without using a virtual ...
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4
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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 ...
- 2,783