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

6
votes
1answer
115 views

Can an app in `/opt/extras` install themeable icons in `/usr/share`?

My application Variety Wallpaper Changer runs from /opt/extras and uses an indicator icon. I would like to make this indicator icon theme-specific. As far as I understand the standard way is to ...
3
votes
2answers
377 views

Debugging HTML5 With Ubuntu SDK

I read this Question: Can I develop a hybrid native/HTML5 app for the Ubuntu Phone? And it has a great answer, but that is no longer supported in the Ubuntu SDK (Ubuntu 13.04), now it uses: import ...
-1
votes
1answer
175 views

Ubuntu terminal commands and usage [closed]

I just got Ubuntu 12.04 yesterday and would like to learn how to use the terminal. The reason why is because I'm a developer and I'm trying to get any applications I develop supported on linux. From ...
8
votes
2answers
410 views

How to set up Launchpad to import from GitHub?

I'm setting up my first Launchpad project. In this case I would like to import from the Master branch from my GitHub project - the default branch is not Master - it is a release branch currently ...
10
votes
7answers
9k views
0
votes
0answers
57 views

Cannot install Ubuntu SDK [duplicate]

I get the following error in terminal while installing the SDK W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not ...
0
votes
1answer
42 views

Weight of the commentaries in the source code [closed]

When I search for source-code of Linux parts (applications, kernels, ...), I often find commentaries to clarify the code. Now, I know that those commentaries are useful to help a human reading the ...
0
votes
0answers
54 views

How to use ANT+ radio in Ubuntu Touch?

As the Google Nexus devices tend to all have ANT+ radios in them now, and Ubuntu Touch currently targets these devices primarily, is there a way to access the ANT+ radio and connect and communicate ...
1
vote
0answers
120 views

Specifying Python Distribution in Ubuntu 13.10 (for Continuum Anaconda Python)

I've been trying to install Python on my Ubuntu 13.10 VM. Ubuntu already comes with Python, and when I remove it with apt a lot of other apps get removed. I have installed Continuum's Anaconda ...
1
vote
1answer
161 views

Multi-threading in Gtk python [closed]

I'm trying to display a GUI and do some work in the background.when the window is current window, GUI runs normally. Long after minimizing the window, GUI will freeze. The following code is created ...
10
votes
4answers
3k views

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: ...
3
votes
2answers
689 views

Why is Python V3.3 installed by default on Xubuntu 13.10?

I am running Xubuntu 13.10, 64 bit. python --version outputs Python 2.7.5+ which is normal since python 2.7 is installed by default on all Linux distros. But when I go to Software center -> and ...
2
votes
0answers
24 views

Touch SDK Expansion

In the Ubuntu Touch SDK description http://design.ubuntu.com/apps/building-blocks/expansion there is an UI element which is mentioned, namely the Expansion. From the description I don't really ...
2
votes
3answers
111 views

I have ideas for apps for Ubuntu.

How do I submit ideas for apps? I am not a programmer
1
vote
2answers
126 views

How would I make a simple indicator program to record timestamps?

I would like to make a button to sit up next to my sound/wireless/etc indicators which, when toggled, will change color and write the system time with the word "begin" to a file, then, when toggled ...
8
votes
4answers
2k views

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?
2
votes
1answer
2k views

Compiling code that depends on QT4 with QT5 installed

I have QT5 installed on 12.10 I believe because it is a dependency for the Ubuntu SDK and the Ubuntu touch tools which I have been using. I have QT4 installed as well, infact I had it installed ...
0
votes
1answer
80 views

install ubuntu sdk error

I have this error: W: Failed to fetch cdrom://Ubuntu 12.04.3 LTS _Precise Pangolin_ - Release amd64 (20130820.1)/dists/precise/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM ...
1
vote
1answer
143 views

“sudoing” strategy for python script on ubuntu

I'm creating a small router program (GTK frontend) in python for some of our less CLI savvy users. I've developed the glade front-end and able to connect the various signals. Now, I'm facing only one ...
2
votes
1answer
137 views

Get source code for copy/paste [closed]

Every operation performed by operating system have a source code. So for coping operation there should be source code. So I need a file's name having source code for copy operation.So I can add some ...
0
votes
1answer
61 views

How long does it take for a proprietary software to get reviewed to Ubuntu

My application is just a .py file that has a GUI. I tarred it and uploaded it to Myapps under proprietary license ($0.0) as I have no idea about packaging. The source code is available at Github. It ...
5
votes
2answers
659 views

How to get rid of the background gradient of the inline GtkToolbar?

When you run the below code, it will show an inline toolbar in a window. Notice how the inline toolbar has a stand-out backbround. Is there a way to apply CSS to get rid of it and make blend with ...
1
vote
0answers
30 views

How can I export a .ui file for a pygi window that I build dynamically?

I understand that building things with the MVC mindset is a good thing. I also understand that if you separate code maintenance and UI, that Glade UI files make it easier for non-programming people ...
1
vote
2answers
496 views

Why doesn't `exec startx` work in 13.10?

I am used to being able to launch a second X session in TTY8 with exec startx but instead I'm getting an error: X: user not authorized to run the X server, aborting. And then in TTY 8 I end up with ...
2
votes
0answers
165 views

How can I develop desktop applications using web standards? [duplicate]

Possible Duplicate: Developing app for Ubuntu in HTML and JS I want to develop applications for ubuntu using web standards such as html5, javascript css3. Webstandards are growing very fast ...
2
votes
2answers
218 views

Is there an application that wraps a website in itself? [closed]

I am looking for an application that is configurable to open a website on a certain address, having the website's logo as logo in the Launcher, without the browser bar, so I can run the website as if ...
2
votes
1answer
160 views

Make Web Pages act like Unity Apps

Is thee a way to make web pages act like apps? What I want to do is to split many Chromium pinned tabs into apps. So, for example, I have 2 gmail accounts, 2 tabs in Chromium, and I want separate ...
1
vote
1answer
51 views

How to open webpage from wireframesketcher link?

I have a WireFrameSketcher screen, in which I want to be able to click the link and open the web page. I haven't been able to do that. I'm also not sore if that is possible. If anyone knows a way to ...
1
vote
1answer
135 views

How can I create Unity dash integration for my Python script?

I have written an awesome script in Python and I seriously think it should help many rookie Ubuntu users out there -- especially for a quick solution/tip. My script searches through AskUbuntu.com and ...
5
votes
3answers
794 views

How to show a window of an already active app when trying to open a new instance of that app

I know the question is a bit vague. I'll try to explain better below: My app (python/gtk) is mostly an indicator. Using this indicator you can choose to show/hide the main window. When I try to open ...
52
votes
14answers
6k views

What advantages does Ubuntu have 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 ...
4
votes
0answers
39 views

High-level library for Unity Dash?

I've wanted to write a GTK+ version of Unity Dash for some time. I think it could be useful for Xfce, Gnome Flashback, elementaryOS, etc. Before I start doing anything about it, I'd like to know if ...
3
votes
0answers
86 views

Developing for Ubuntu tablet using Python [duplicate]

I want to start developing for the Ubuntu tablet, but I don't think that I can use python with the SDK. I heard that you can make games with Python in Blender and I wanted to know if there was a quick ...
0
votes
2answers
258 views

How to build gtkparasite

i'm not able to build gtkparasite when i run: ./autogen.sh i'm get this error checking for GTK... no configure: error: Package requirements (gtk+-3.0 >= 3.10.0 gtksourceview-3.0) were not met: ...
0
votes
0answers
32 views

Ubuntu Touch - .ogg Files don't transfer to device

I was making a sample app to handle .ogg files in QT Creator. Everything worked fine on the computer, and when I chose the option to "Run application on device" everything worked perfectly. But when ...
1
vote
0answers
38 views

Problems with GTK

I started working on a project where I need to make a simple interface with C language using GTK, then I need to connect that interface with Linux system, I started working with "Glade" witch is an ...
3
votes
1answer
72 views

What license is the Ubuntu colour pallete?

I am developing some Chrome app and started using Ubuntu colours for it. The ones I found in the Ubuntu Colour Palette. I assume it's there and public so that app developers could create a consistent ...
0
votes
0answers
79 views

Quickly Error “can´t create or update ubuntu package”

Try to build a gmail view app for my owm but by creating a package i get this error. How to fix jeffrey@Chuhundra:~/gmail$ quickly package ...................... Command returned some WARNINGS: ...
-4
votes
1answer
53 views

Publication Lazarus project in Ubuntu Software Center [duplicate]

Can I publish desktop application has developed in Lazarus IDE in Ubuntu Software Center?
1
vote
3answers
2k views

Python GTK 3 IDE

Just a Quick Question, to Check if there are any available IDE for Python GTK 3. IE: An IDE which give the programmer an auto complete feature with method Description Etc.
2
votes
1answer
244 views

How to raise user notifications in Ubuntu using java code?

How to raise user notifications in Ubuntu using Java code?
1
vote
1answer
95 views

Unable to install ubuntu sdk

While installing sudo apt-get install ubuntu-sdk, I am facing this The following packages have unmet dependencies: ubuntu-sdk : Depends: qtcreator-plugin-ubuntu-cordova but it is not going to be ...
1
vote
0answers
34 views

Using in game ads [closed]

Hi guys just a simple question, I made a game and would like to publish it to Ubuntu App Store, but I am not charging for the game and would like to make some profit, am I allowed to use in game ...
0
votes
1answer
70 views

QtCreator doesn't let me create Ubuntu Touch apps!

I've gone through the instructions for installing the SDK found here: http://developer.ubuntu.com/apps/create/get-the-sdk/ using Xubuntu 12.04. Everything went well except, for some reason, QtCreator ...
0
votes
0answers
26 views

can I use Ubuntu 12.04 installed PC like a hosting server for develelopment testing? [duplicate]

Please note that i already have lamp stack and able to run php script in this system. Read the question carefully before answering or marking as duplicate......... I am a novice user in server ...
1
vote
2answers
492 views

Can I develop a 2D game with just QML?

I have a bit of interest in developing for Ubuntu Touch (I have little to no real coding experience also), but my main interest is trying to develop a 2D game. From my understanding, I would either ...
2
votes
2answers
187 views

autopilot ImportError: No module named input

I'm on Ubuntu 13.04. I'm following this tutorial to write autopilot tests. I get an error when I try to run or list the autopilot tests: $autopilot list CurrencyConverter Loading tests from: ...
0
votes
1answer
27 views

where do I get the Eclipse CDT

I have Ubuntu 13.10 and Eclipse 3.8 from the Ubuntu Software Center. Where do I get a compatible Eclipse CDT? I went to the Eclipse web site, but it did not seem to provide a CDT for Eclpise 3.8. ...
2
votes
1answer
2k views

Is the Ubuntu Mobile SDK available for Mac OS X or Windows?

I'm a mobile app developer. I code for Android and iOS on Mac OS. I don't want to buy another computer just to code for Ubuntu Mobile. Will the Ubuntu Mobile SDK be available for Mac OS or Windows?
2
votes
1answer
41 views

How can I develop for Ubuntu Touch on Windows?

I am working in a windows environment and need to develop applications in ubuntu. what is the best approach?