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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4
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36 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
46 views

(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 + ...
3
votes
0answers
116 views

FreshBooks Online Account

I'm developing an application that connects to FreshBook's API. I can either integrate the account authentication process within my application, or I can develop an Online Account that could be used ...
3
votes
0answers
470 views

TypeError: Cannot call method 'hasOwnProperty' of null, while creating a QMLscene window

I am trying to make a simple Ubuntu Touch web application with Qt Creator. I have set up a new project according to the tutorial and committed the files to Bazaar. I have set a url instead of the ...
3
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0answers
187 views

How to access geolocation information on Ubuntu Touch?

It's strangely hard to find any documentation on accessing geolocation information for Ubuntu Touch specifically and even Qt5 more generally. The Qt Mobility APIs provided this in Qt4, and they seem ...
3
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0answers
196 views

QML app icon not effective when called from app.setWindowIcon()

I've a Qt5/QML hybrid app built with Ubuntu Touch SDK. I'm trying to set the app icon for it, but without success. Code looks like this: int main(int argc, char *argv[]) { QApplication app(argc, ...
3
votes
0answers
318 views

Kinect + Webcam - Bandwidth issue

I am making an application on Ubuntu 12.04 and ROS Fuerte (Robot Operating System) using the Microsoft Kinect sensor and a logitech webcam. Both work perfectly fine independently. For information I ...
3
votes
0answers
373 views

How do I get high resolution icons in Unity for my application without a .desktop file?

I am trying to fix a problem I found with a Java application. It has a too low res icon. After reading the source of it I modified it to have a bigger icon. SWT uses the gtk_window_set_icon() function ...
3
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168 views

Python Access Pidgin Data Structure by Dbus

I recentely started to program in Python and making a script/plugin for Pidgin,i need to access PurpleConversationUiOps and use the has_focus field,based in some examples in documentation of Pidgin i ...
3
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0answers
102 views

How to get Yelp to open the docs?

quickly tutorial Result: An empty Yelp window with the XML file opened in gedit. yelp /usr/share/quickly/templates/ubuntu-application/help/tutorial.xml --> Exactly the same problem. Worked fine a ...
2
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0answers
26 views

Targetting Boost 32-bit While on 64-bit ubuntu?

Well i have libboost-all-dev installed, but i am trying to compile for 32-bit. I can't install libboost-all-dev:i386 either. g++ -lboost_filesystem main.cpp g++ -m32 -lboost_filesystem main.cpp The ...
2
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0answers
21 views

Deleting a application draft

I accidentally started submitting a click application when I meant to submit a desktop application is there a good way to delete it in the draft state? I searched around the "Manage" menu and I tried ...
2
votes
0answers
38 views

Ubuntu, gtk 3.10.8, not able to visualize a menubar made by Glade

My problem is that I've drawn a UI with Glade, but the menubar doesn't want to be drawn. Here is the xml, just a sample: please try to check out the properties. It is a very simple menubar but I ...
2
votes
0answers
176 views

Multitouch in Qt

I've got a fresh install of Kubuntu 14.04 and Qt Creator/5.2.1, and I'm trying to get multi-touch working for the example applications like photosurface. My input device is an Acer T272HL 10 point ...
2
votes
0answers
31 views

Ubuntu keyboard shortcut guidelines?

Is there an authoritative specification of keyboard shortcut guidelines for Ubuntu? I am looking for something like the OS X guidelines that result in unified application behaviour for common things ...
2
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0answers
26 views

Unity Scope to read XMP metadata from local files

I have seen various tutorials on writing Unity Scopes, including the one on developer.ubuntu.com However, they all appear to concentrate on scopes that download data from various web services. I am ...
2
votes
0answers
22 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
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0answers
225 views

Develop in C/C++ for Qt Ubuntu Touch projects

as said in the question I want to develop the code in C or C++ for my Ubuntu apps. I don't feel confortable in Javascript at all, and when I try to create a C or C++ file the IDE returns me Failed ...
2
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0answers
35 views

Guidelines for packaging web app

For a while now, I'm trying to build an Ubuntu package for PPA upload, and facing all sort of issues understanding bzr dh-make and such. The package is web application (php-based). Most packaging ...
2
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0answers
165 views

My postinst script launches a service successfully but apt-get apparently shuts it down. Why?

I have this package with a postinst script that launches a service as its last step. Something like: #!/bin/sh set -e . /usr/share/debconf/confmodule [...] case "$1" in configure) [...] ...
2
votes
0answers
93 views

Terminal won't print “Refresh” in terminal

I have a slight problem today with my Ubuntu app. I've been following a Youtube tutorial. I've provided the link below with the rest of the links provided to help you find out the cause of the ...
2
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0answers
28 views

How does the Ubuntu SDK handle accessibility?

How do I design an application in the Ubuntu SDK so that it integrates with assistive technology such as screen readers?
2
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19 views

Will Ubuntu Touch apps work in Linux / Windows / Mac?

I mean, it looks like they're made with cross-platform technologies, but realistically how much effort would be involved in (say) making a Windows installer for one?
2
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0answers
354 views

How can I set up a build target in Qt Creator to compile for 32 bit on 64 bit Ubuntu?

I am running 64 bit (x86) Ubuntu and would like to be able to build Qt projects for a target architecture of 32 bit (x86). Qt Creator allows the configuration of multiple 'build kits' for compilation ...
2
votes
0answers
133 views

How to collapse and expand a ListItem.Standard

For the app I am developing I would like to have a list with sections that I can collapse or expand. The item in the sections can be clicked and open a DefaultSheet. So, for example in the "Ubuntu UI ...
2
votes
0answers
38 views

Are USC applications allowed to install .desktop files?

Ubuntu's official site for developers says: Technical requirements: In order for your application to be distributed in the Software Centre it must: Be in one, self-contained directory when ...
2
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0answers
290 views

What's the architecture of Ubuntu Phone?

Will Ubuntu Phone be more an Android or more a "normal" Linux? Or in other Words: will it be possible to have e.g. wxWidgets/wxWidgets-applications on it?
2
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0answers
72 views

How to make Gtk spinbutton symbolic in 12.04 in only a specific application?

I am currently developing an application for Ubuntu 12.04 and Ubuntu 12.10 systems. My application is completely monochromatic except for the spinbuttons as seen in the screenshot below. This issue ...
2
votes
0answers
127 views

unable to install the Ubuntu Toolkit

I wanted to install the Ubuntu tool kit to get started programming, but when the install was nearly on its end it threw up the following error: The following packages have unmet dependencies: ...
2
votes
0answers
38 views

How to specify target architecture in quickly apps?

I'm building a quickly-app, Do I have to specify somewhere the architecture (amd64,i386,etc) in which my app can run? Thanks in advance. Regards.
2
votes
0answers
82 views

compiling a shared library

I'm doing a 64-bit rewrite of some code I wrote that implements a novel approach to genetic algorithms that I want to turn into a shared library exclusive to Ubuntu using code::blocks/gcc. I have ...
1
vote
0answers
40 views

QMLScene : non-existent property

I'm actually on Trusty, and I want to try new "head" property which comes with API 14.10 of Ubuntu SDK. When I launch qmlscene to test my applicaton, I get this error : Cannot assign to ...
1
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0answers
15 views

About is not working in My Ubuntu App for desktop

I have developed the same app "mybrowser" told by Jono Bacon in his tutorial. But when I want to see About it is throwing the following error: Gtk.Window.__init__(self, type=type, **kwds) ...
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0answers
185 views

module verification failed signature and/or required key missing

I am working on a kernel module, which is working fine. However, looking through dmesg, I see a message regarding my module that module verification has failed (module verification failed signature ...
1
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0answers
115 views

How to deploy my Qt app statically on ubuntu ? It is running on ubuntu 14.04 only

I wrote a application with Qt 5.x and the compiled binary is only working on my development machine running 14.04 on other machines running 14.04 on linux mint 16 I already inserted the CONFIG ...
1
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0answers
9 views

Redirecting to error page while submitting ubuntu touch app

I'm writing an application for Ubuntu for Phones and I submitted my .click package to ubuntu store 'myapp' portal, after uploading it goes for scanning, but after scanning automatically it is ...
1
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0answers
343 views

Can't create Unity lens with Ubuntu 14.04

I want create a Unity lens, I follow this exemple : http://developer.ubuntu.com/2012/04/how-to-create-a-wikipedia-unity-lens-for-ubuntu/ I use : quickly create unity-lens wikipedia When I try : ...
1
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0answers
82 views

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 ...
1
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0answers
49 views

How to package QML Extension Library + Tabbed Touch UI?

I have followed the method described [here] (https://bugs.launchpad.net/ubuntu/+source/qtcreator/+bug/1215913) for creating QML Extension Library + Tabbed Touch UI project and generate click package. ...
1
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0answers
40 views

Cannot import directory path to qmlscene

I am trying to import directory in QML as explained, here: http://qt-project.org/doc/qt-5.0/qtqml/qtqml-syntax-directoryimports.html. I have the following ubuntu-app | - extras1 | - extras2 | - ...
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0answers
96 views

How to enable Quick Start button in Lenovo S100 ideapad using Ubuntu 12.04

I'm using lenovo s100 ideapad with Ubuntu 12.04 64 bit version. After turnoff the system when I press Quickstart button it not boot and notice: "quickstart is not install on your computer or not ...
1
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0answers
44 views

Implementing Unity Global Menu

I'm working on a desktop (like XFCE) as a private project, and I would like to implement the Unity Global Menu in my desktop using python. I've looked at the Dbusmenu API and even Unity's dbus ...
1
vote
0answers
41 views

Recommended way to check/fire alarm in Python (PyGI/PyGTK)

I am learning to develop an application by using Quickly (quickly create ubuntu-application). This application will stay in Application Indicator / Notification Bar and only work when a defined ...
1
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0answers
117 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 ...
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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
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0answers
37 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 ...
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0answers
19 views

How do i cam migrate vb apps to QML

I have lots of vb tools, activeX controls and full apps developed in the last 15 years. Now, I'm writting apps using python, and php. And I'm thinking on migrating my software to open platforms. I'd ...
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0answers
16 views

Is there a way to do Ubuntu Touch App Development on Windows?

Is there something to develop apps for Ubuntu Touch, but for Windows?
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0answers
128 views

How to embed a new Window on GTK Quickly Glade

I'm doing a program with Quickly, but I'm something new .. In same way, I learned well enough to program an application. But I need the structure in glade, I mean ... are only two main windows ... the ...
1
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0answers
94 views

Eclipse CDT: OR32-elf.gcc not found in path

I am using Ubuntu 13.04 and I am not able to compile projects on Eclipse CDT. It gives error saying no rule to make target, makefile properties not found and also or32-elf.gcc not found in PATH I ...