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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6
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0answers
157 views

Ubuntu SDK Toolbars not working

I am getting the following error when adding a toolbar action to my Ubuntu SDK project: "Could not resolve the prototype 'UnityActions.Action' of 'Action'. (M301)" How can I resolve this issue and ...
3
votes
0answers
96 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
32 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
156 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
votes
0answers
156 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
301 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
323 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
votes
0answers
94 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
votes
0answers
25 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
votes
0answers
14 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
21 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
0answers
313 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 ...
2
votes
0answers
31 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
votes
0answers
137 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
85 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
votes
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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0answers
56 views

Design standard for “About” and “Options”

I have seen that in many Ubuntu Touch projects that the way to do "options" (or "settings") and "about" is done with a Tab. Is that good for the design guideline of Ubuntu Touch? Is there a standard? ...
2
votes
0answers
309 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
123 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
34 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
votes
0answers
253 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
votes
0answers
68 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
121 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
28 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
75 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 ...
2
votes
0answers
159 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 ...
2
votes
0answers
152 views

Custom widgets/controls in application indicators

I want to develop an app for ubuntu, that integrates inside the calendar indicator/menu. It should allow to enter info right from it, and have several controls like input boxes, drop downs, spinners ...
1
vote
0answers
20 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
vote
0answers
14 views

How to use QAudioOutput in Ubuntu Touch

When I run QAudioOutput on Ubuntu Touch in confinement, It reports permission error. Basically it is trying to create a directory in /run/user/*/pulse which is rejected by the confinement. How to ...
1
vote
0answers
14 views

Ubuntu Touch how to detect If the application is closed

on ubuntu touch. I run an application in terminal and close the application in the Application scope. The application isn't killed. And no event is caught in QQuickView. How do I detect this close ...
1
vote
0answers
19 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 | - ...
1
vote
0answers
50 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
vote
0answers
35 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
80 views

Get/emulate touch event in Cordova app

I have a HTML5 app, wich I want to port to Ubuntu as a Cordova app with Ubuntu SDK. It use touch events on a canvas and works fine in any browser, but no with Cordova. I bind the events like this: ...
1
vote
0answers
28 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
vote
0answers
27 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
0answers
57 views

Ubuntu Touch - Multiple App Windows

I'm learning how to make Ubuntu Touch OS applications, and I looked all over the web for something, but didn't find any satisfying results. This is either because I am the first to ask this question, ...
1
vote
0answers
33 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 ...
1
vote
0answers
18 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 ...
1
vote
0answers
148 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 ...
1
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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?
1
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0answers
113 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
vote
0answers
81 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 ...
1
vote
0answers
35 views

Behavior on listView

I need to scroll an element of a ListView to bottom when user clicks on it, with an animation. I want to use Behavior for the animation, but I do something wrong. I have no problem with the scroll ...
1
vote
0answers
15 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?
1
vote
0answers
107 views

Developing Multi-touch supported apps

I have recently been using a large touch table to generate Ubuntu touch events (https://www.kernel.org/doc/Documentation/input/multi-touch-protocol.txt) but have yet to find any software that ...
1
vote
0answers
65 views

How can I populate ListItem.ValueSelector with values from model

could you tell me How can I populate ListItem.ValueSelector with values from a ListModel? I can populate a list with fixed values ("X 1", "X 2", "X 3"), like this: ListModel { id: contactmodel ...
1
vote
0answers
141 views

How to create multiple pages in HTML5 app and link them together

I'm beginning to actually develop an HTML5 app for learning for Ubuntu Touch. I have the main HTML5 app layout but I want to make more pages for the other items in the list view and link each page to ...
1
vote
0answers
96 views

Why is the libindicator reporting all scroll event signals as UP?

I am trying to investigate this bug; the gist is, if you have a Unity application indicator, and you scroll over it, the scroll event is always 'up', even if you scroll down. Here is a sample ...
1
vote
0answers
33 views

Continuous integration for Ubuntu Phone?

Is there any kind of framework that lets a controlling PC automate the flashing of a connected phone, waiting for the phone to boot and then tell it to download and execute tests from a repository? I ...