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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1answer
121 views

Bad color of backgroundColor in a MainView when fixed to “#F1E1A3”

I have a strange problem. When I fix the backgroundColor in a MainView to "#F1E1A3" it doesn't show me the good color since when I draw a rectangle in the page with the same color, I see a difference ...
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1answer
79 views

How can TextField input be validated for long integers?

I need the user to be able to input an integer, restricted to values between 0 and an upper bound. The upper bound is too big to fit within the 'int' data type so I have used a 'real' data type with a ...
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1answer
232 views

What development tools and languages are used for ubuntu mobile app development? [duplicate]

I am new here, I am working with iOS development, now I also want to learn to develop Ubuntu apps. What are the standard requirement to develop Ubuntu mobile apps? Can I develop Ubuntu apps in ...
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1answer
52 views

Opening a Quickly dialog using a button

I have created a window using quickly add dialog. But I can't figure out how to simply open the dialog from a button. I have already set up a button in my main window and set up the code for it. This ...
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2answers
387 views

Gtk.SelectionMode.MULTIPLE allows selection of only one row in Gtk.TreeView

I'm developing an application using Quickly. I have a Gtk.TreeView with a Gtk.ListStore as its model. The selection mode of the Gtk.SelectionMode is set to Gtk.SelectionMode.MULTIPLE. The problem is ...
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1answer
76 views

How to get Ubuntu AppIndicator icon coordinates

I'm working on Ubuntu Linux 12.04 and create software built on top of GTK+ 3 using pygobject. I've got a task of showing popup windows just below the app indicator icon of my application and I can't ...
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2answers
70 views

ListView doesn't appear

I'm working at app for ubuntu touch. I have a code with listView in it. But when I run it the page is simply empty (tehre is a title and a tabs switcher). Where is the mistake? import QtQuick 2.0 ...
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401 views

ComboBoxText in Glade / GTK+3 / Python - disappears when displayed 2nd time

I'm trying to implement a drop down list in an Ubuntu app using Glade (GTK+3) and Python. I can get the ComboBoxText to display, populated with strings. However when I close the window it is contained ...
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1answer
83 views

How do you reorder widgets in Glade?

How can I reorder widgets in the Glade widget tree? For example, assume I have a Glade application that contains this partial tree: box1 (GtkBox) |--button1 (GtkButton) |--button2 (GtkButton) ...
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2answers
176 views

Will an Livecode Application Developed for Ubuntu Destop work for Ubuntu Mobile?

I was wondering if the any applications developed with Livecode (www.runrev.com) for a Desktop Linux platform would be able to run natively on Ubuntu Mobile devices (tablets). Livecode can generate ...
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1answer
38 views

ListItem.ValueSelector has some sort of onselectedIndexchange?

I'm writing a small game and in the settings it uses a ListItem.ValueSelector in the settings, i'd like to if it's possible attach some event on it like with a mouse area, ie: MouseArea { ...
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1answer
57 views

ListItem.Subtitled id not defined error in Qt SDK

I've made a list displayed on Tab Page, its suppose display a Subtitled List Item: conversation (An item that displays Icon + Text), I've got a button that allows the user to change the text of that ...
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1answer
128 views

How to open a new tab via a button using the Ubuntu Touch Qt SDK?

I blame it on my tiredness but I'm struggling to find how to direct the user to a new tab via a button: I've got a Login page and if the user has placed the right username and password, pressing on ...
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1answer
998 views

Detailed tutorial for Quickly and python for app development?

Where can I get a complete reference for ubuntu app development using Quickly and python? I saw the video at http://developer.ubuntu.com/get-started/ but that shows only how to use a text field and ...
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1answer
114 views

Required Programming Languages to write a own application in ubuntu? [duplicate]

What are the minimum requirements to write an ubuntu app?
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1answer
310 views

Gaming on Ubuntu touch [duplicate]

I am an indie game developer who is interested in targeting Ubuntu and Ubuntu Touch. I have noticed that you support various tools. I am wondering if you support OpenGL and how much tweaking does a ...
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1answer
144 views

ListView Subtitled delegate, icon size and title word wrapping?

I'm working on an ubuntu mobile app and I have a few questions about customizing a listview. The listitem may contain an icon, but will have a title and subtitle. What I'm having trouble with is ...
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1answer
105 views

Starting Ubuntu mobile development in windows pc

I am an android developer and I want to contribute to ubuntu community by developing apps. I use windows pc as a workstation (sorry for that). Please guide me to anything useful so that I can start ...
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1answer
436 views

Where can I find a Simple Hello World example for Ubuntu SDK (QT)?

I've been trying to get a simple window with button. And i have no idea on how to "bind" a button from the QML thing to a C/C++ function for example. I followed the example from developer.ubuntu.com ...
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1answer
295 views

Issues installing qt5 & sdk for phone app

I followed the instructions for downloading the qt5, but it failed. I downloaded qt4 from package manager in 12.10. I then tried to install sdk through terminal, but to no avail did it bring it up it ...
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1answer
97 views

How do I combine two toolbar buttons into one?

In my application toolbar, I have two toolbar buttons Travel Planner and Departures as shown below, I need to change it this, As you can see in the 2nd image, it seems that 1 button has 3 ...
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1answer
96 views

Fetcher in Currency Converter Ubuntu app

I saw in the Ubuntu phone app tutorial that the fetcher in the currency converter is from ecb's web page. Do you know if that data can be legally used in a real app or web page? I suspect that data ...
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1answer
112 views

Is development of Ubuntu phone on other platforms possible?

When I first read about Ubuntu phone I became very excited about it. However, I am disappointed to see that if I want to get started I should download and install Ubuntu first. While I can totally ...
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1answer
171 views

Dynamically change the application icon

The icon used for the app is in the .desktop file but is it possible to change this dynamically? You can change the count but not the icon. Is there an API for doing this like OS X?
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3answers
1k views

How will Ubuntu affect the battery life of my Galaxy Nexus?

I have a galaxy nexus, I would like to install and try out Ubuntu on it when the os comes out. One of the aspects I have not seen covered in any reviews or demos so far is battery life. How will the ...
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1answer
64 views

Make online link for application in softvare center

is it possible to make online link for an application which is located in ubuntu software center. I need to advertise my app and I don't know how to make link for my app (I don't have website).
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1answer
332 views

How to simulate a USB plug?

I have an app that implements some automations when an USB key is plugged. While developing, I have to test it in a specific environment (derivative from Debian Squeeze). The app subscribe to HAL ...
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1answer
117 views

Creating a toolbar with buttons like Software Center

How do I create a toolbar with buttons that look like the ones in Software Center? I've figured out out to set the style of the toolbar to Gtk.STYLE_CLASS_PRIMARY_TOOLBAR, but I want to set the ...
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2answers
470 views

Sending keyboard commands to Ubuntu through Python. Remote for my Blackberry

I am trying to build a remote control application to control media on my Ubuntu. Does anyone know a way in order to accomplish this. The media keys in particular. Thank you. EDIT 1: I have tried ...
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1answer
52 views

In what language I can develop a status notifier of a laptop battery?

I want develop a little software or notification system of status or information battery, because sometimes I forget disconnect my charger and my battery is overloaded. I would like to develop an ...
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1answer
45 views

Packaging with Quickly and including extra files for application

I'm writing simple application in Python using Quickly. Now I want to include few extra text files (templates) to my application so I can access it when application is installed. I want to store it ...
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1answer
471 views

Get selected object from TreeView

I've been working on a minor (first time) app with quickly and hit a hurdle - how do I get the selected row (the data) from a TreeView? The data to the TreeView is passed from a list of files in a ...
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1answer
2k views

Playing sounds in Python Quickly without any extra libs?

I was wondering is it possible to play sounds in Ubuntu using Quickly and Python without including any libs like pygame or pymedia or anything ? Just the stock packages that come with Python ? Thank ...
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2answers
546 views

How do I change GTK theme of my app in run time?

I recently noticed that monodevelop, can change GTK theme in runtime . How do I add it in my quickly app?
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1answer
75 views

How to recover from deleting menubar?

I am working with Ubuntu Quickly, and I ran the quickly design command, then deleted the menubar. But when I run, i get this error: AttributeError: UiFactory instance has no attribute 'helpMenu' I ...
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3answers
387 views

Which database to use for quickly and pygtk

I'm writing application using quickly Pygtk and glade. this application should have database connection (such as MySQL) for reading and writing data from the local or outsourcing machine \ server. ...
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1answer
58 views

How to force Quickly to NOT include a dependency? (Specifically: apport)

My case is this - the quickly-generated application contains some apport code, so quickly inserts python-apport in the dependencies list. I would like the application to be installable and run on ...
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2answers
204 views

I wrote a Python/QT app that downloads files. How can I stop it from 'greying out' after few seconds?

Here's the gist. The application is still running and the progress bar will still move, but the window will grey out and if I click the X to close it, a popup shows up and says "The window X is not ...
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2answers
58 views

Is there any way I can run quickly applications from source on other distributions without installing a deb package?

Is there any way I can run quickly applications from source on other distributions without installing deb package. What I need is to run/develop in non-debian based distributions.
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1answer
68 views

Quickly package/submitubuntu fails because of debhelper dependency

When running the submitubuntu or package command, I get this fatal error: quickly.templatetools.CantUpdateFile: Build-Depends: debhelper (>= 8), was not found in the file myproject/debian/control. ...
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1answer
41 views

quickly package --extras replaces developer email with hostname

After running quickly package --extras for my project, I've noticed that in project_dir/debian the changelog file has my developer email listed as alex@myhostname, instead of my proper email address. ...
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1answer
81 views

Quickly: share, release and submitubuntu not working anymore [closed]

I have the problem that after applying the changes suggested from the ARB (modifying some debian/* and such files) the commands quickly {share,release,submitubuntu} oddly stopped working for me. ...
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1answer
39 views

Is uploading icons to MyApps on developer.ubuntu.com enough?

I submitted an app for review via https://myapps.developer.ubuntu.com/dev/ There were some icons needed in the process. I've uploaded them. My question is: will these icons somehow be automatically ...
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1answer
61 views

App Showdown: Universe dependency

I'm currently in the process of packaging my submission for the Ubuntu App Showdown. I read in the rules that the package may not have dependencies that are not in the Ubuntu repository. But what ...
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1answer
88 views

How to prevent quickly from replacing Exec=.* in the .desktop file?

I'm still trying to make Quicklists work and found the problem: Quickly creates debian/rules with sed -i 's|Exec=.*|Exec=/opt/extras.ubuntu.com/wakeonplan/bin/wakeonplan|' ...
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1answer
134 views

Unity Launcher integration and quickly run… fail

I'm trying to use the uniy launcher with progress bar.. but it doesn't work.. I just followed the first example on ...
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1answer
187 views

Where should I place my sqlite database for proper packaging?

I built my first application with quickly uses a sqlite database file. It contains all the settings of the program. While developing I simply put it into the root folder of the app. quickly package ...
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1answer
168 views

How to import Qt app into Quickly on 10.04?

How to import my Qt app into Quickly? The goal of this is to package my Qt app using Quickly.
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287 views

No public key GPG error when submitting quickly application

I try to submit my app with the command in the title, but the build failed: Error message: W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified ...
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1answer
165 views

What's the naming convention for ngettext short name?

gettext.gettext is imported as _: from gettext import gettext as _ It's some naming convention, right? What's the equivalent for gettext.ngettext? __?