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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0
votes
1answer
101 views

How do you get http:// to load automatically in a web browser?

i have created a web browser in glade / python and what i'm wanting to do is get HTTP:// to load automatically. Just because at the moment whenever i go to a website i have to type the HTTP:// and if ...
8
votes
1answer
290 views

Why the Ubuntu App Developer website is not showing content about development for desktop?

Looks like they removed every content that is not related with development for desktop. For example when you click in "Get Started" tab there is only information about the Ubuntu Touch and its SDK, ...
7
votes
1answer
3k views

What are Smart Scopes?

I've heard Ubuntu 13.10 will ship Smart Scopes technology. What are smart scopes?
7
votes
1answer
763 views

How long does it take to complete the review stages in Ubuntu?

When we submit an application to the Ubuntu Software Center, how long does it take to complete the review stages? Namely, Pending Review In Review How long (average or based on your experience) ...
6
votes
1answer
5k views

Can I run the Ubuntu SDK in Windows?

From where can I download Ubuntu SDK for mobile application development? I can not find any links.
5
votes
1answer
266 views

What does .gu stand for?

What does .gu stand for? For example: ConditionalLayout { name: "row" when: layouts.width > units.gu(50) //right here Row { anchors.fill: parent etc....
5
votes
1answer
698 views

Can I write Ubuntu phone applications in C/C++?

As a console game programmer, I have lots of code already written in C++ that I'd like to port to the Ubuntu phone. I see the the QT-based environment lets you "extend" QT with C++, but I really just ...
5
votes
1answer
125 views

How do I post to Gwibber from python?

How do I post to Gwibber from python? I have tried import gwibber.utils foo = gwibber.utils.GwibberPublic() foo.post("This is a test message") from https://wiki.ubuntu.com/Quickly/Snippets. But ...
5
votes
2answers
168 views

How long does it take to get an application reviewed for Ubuntu?

I submitted a package around three weeks ago, and so far it's status is still "Pending"
5
votes
2answers
2k views

Using AppIndicators with the Qt framework

Is there a class or library somewhere that makes it easy to use the new AppIndicator framework from within a Qt application? It seems strange that I should have to include GTK headers / libraries ...
4
votes
2answers
255 views

How to hide the header of the Tabs component

I'm writing an app using the Ubuntu SDK, and I've got a PageStack component inside aTabs component. When I load one of the pages inside the PageStack, it all works well, and in the header the name of ...
4
votes
1answer
740 views

Ubuntu SDK QML how to change the background color of TextField

I have a situation where the background color of my QML app MainView causes the textfield entry to have grey lettering on equally dark brown background. This makes it almost impossible to read what ...
4
votes
1answer
655 views

Can `add-apt` be used for Github repos?

Can add-apt be used for Github repos? I know that this adds a ppa from launchpad: sudo add-apt-repository ppa:chris-lea/node.js I would like to use a Github repository instead of launchpad. Is ...
4
votes
1answer
686 views

Is any personal or sensitive data collected as part of the Smart Scopes Server?

The Smart Scopes technology implies submitting search queries online for them to be processed by the Smart Scopes Server from Canonical. Is any personal or sensitive data collected as part of the ...
4
votes
1answer
3k views

How to emit onDropped in QML drag n drop example?

In the qml documentation there is a drag'n'drop example: import QtQuick 2.0 Item { width: 200; height: 200 DropArea { x: 75; y: 75 width: 50; height: 50 onDropped: ...
4
votes
1answer
167 views

Why can't I get all reviews for this app in the Ubuntu Software Center using the JSON API?

I have a question after reading this: Is there any web API for Software Center available? I am trying to understand the Ubuntu Software Center's JSON endpoints. This JSON lists all the apps ...
4
votes
1answer
220 views

“quickly run” not working anymore

The command quickly run is not working after I renamed the folder and created a new one with same name and moved the contents of the renamed folder to the new one . Here is the error: ERROR: No run ...
4
votes
1answer
641 views

Quickly, Treeview and Treestore, entry text not showing

If I append entries to treestore, I can see that the entries are there, but I cannot see any of the text for those entries. I do not know if I have to add a repaint or something, or if I should link ...
4
votes
2answers
250 views

How to host my commercial application in Ubuntu Software center?

I’ve checked the Ubuntu Software center for hosting my commercial (closed source) app. It appears that the store does not have any DRM support, to protect against copying the bought application to ...
4
votes
2answers
623 views

How to make a .deb installer for PySide (Qt) project

I have made a small software using PySide, a GUI library for python using Qt. I have successfully built it into an executable for Ubuntu. ...
3
votes
1answer
251 views

How to handle QML application shutdown?

I need to persist the state of a QML application when it shuts down, and to read it when the application loads. I tried using Component.onCompleted and Component.onDestruction inside the MainView's ...
3
votes
2answers
847 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 ...
3
votes
3answers
159 views

How Can Someone With Minimum Programming Experience Publish an App of an Existing Program not found in the Software Centre?

There's a free mathematics software that I would like to see in Ubuntu Software Centre, called, 'Sage.' I have minimal experience in programming, so I'm basically here asking if someone could either ...
3
votes
1answer
104 views

Where do I install a .desktop launcher for my Showdown app?

That's all in the title...to be valid and to be read by launchers (like Unity dashboard) a .desktop file must be in /usr/share/applications or in /usr/local/share/applications but a foundamental rule ...
3
votes
1answer
2k views

Glade: How can I set the value of a spin button?

I've done some spin buttons with Glade for my Python/GTK3 app, but I don't know how to set things like default, lower or higher value. How can I do it? Using the following things for development: ...
3
votes
1answer
1k views

How to get a proxy for DBus object that is not well known?

I'm endeavouring to use dbus to react to a particular signal (user clicks on an appindicator menu on the unity top panel). From using dbus-monitor, I've found the relevant signal that I'd like to ...
3
votes
1answer
177 views

unity components debugging

Following up on my question here, I would like to ask about best-practices for debugging additions to the unity components. Integrating apps into unity requires many components: service files, ...
3
votes
1answer
296 views

Ubuntu to make commercial Software

Hi I'm new in Ubuntu and i have one question. In this post: Can I legally use Ubuntu Server to create a commercial web application on Amazon EC2? some one ask "Can Ubuntu Server on Amazon EC2 be used ...
2
votes
3answers
524 views

How can open-source programs make money? [closed]

I am new to Ubuntu and I am really interested in making software that can work on it and I would like to make profit from these software. How can I make money from making software for Ubuntu if the ...
2
votes
1answer
224 views

Ubuntu Touch App with Simple UI (QMake) - how to connect C++ to QML

I've noticed that the Ubuntu SDK now has a template for an 'App with Simple UI (QMake)'. This creates a C++ Ubuntu application project with a sample UI containing a Label and a Button (Needs a 15.04 ...
2
votes
1answer
237 views

Is it possible to develop Ubuntu Application using java

I am a Java Developer & want to develop application for Ubuntu. I also visited developer.ubuntu.com site and successfully installed Ubuntu SDK and Editor but it is on Unity code and HTML views. I ...
2
votes
0answers
46 views

Packages have unmet dependencies on Ubuntu sdk installation [duplicate]

The following packages have unmet dependencies: ubuntu-sdk : Depends: qtcreator but it is not going to be installed Depends: qtcreator-plugin-ubuntu but it is not going to be installed ...
2
votes
1answer
1k views

Problem with QtCreator after update

I installed the ubuntu-sdk 2 days back on my machine (12.04) and the Qt version that is installed is 5.0.2. Everything was working perfectly, but today there were some updates from the ...
2
votes
1answer
2k views

Will developers be able to use ruby or python for apps on ubuntu mobile? [duplicate]

Will we be able to use python, ruby or other languages to develop apps for Ubuntu tablets and phones?
2
votes
1answer
164 views

Quickly, setup.py, long_description - how to make them generate a multi-paragraph description in the debian control file? [duplicate]

Possible Duplicate: How to define multiline long_description in quickly's setup.py? How can I make Quickly convert the long_description in setup.py into several paragraphs in the debian ...
2
votes
1answer
139 views

“No gpg key set matching launchpad one found” when uploading app using Quickly

I`m trying to upload my app using quickly, but usually getting this error: No gpg key set matching launchpad one found How to solve this problem?
2
votes
2answers
620 views

Quit application on Ctrl+C in Quickly framework

I found that when I run my application using "quickly run" and press Ctrl+c to kill it, the application does not quit. I am using Quickly 12.04. For GTK2 applications, I used def ...
2
votes
4answers
153 views

“No Launchpad project set” - Quickly

I want to get a project on Launchpad using Quickly, but if I run quickly submitubuntu it just tells me that No Launchpad project set, leave blank to abort.. If I enter the name of my project he tells ...
2
votes
2answers
93 views

I can't submit my app to The Ubuntu App Showdown

please, give me some help: 1. The version of my Quickly is 0.4.3. Can I use this version or I must to renew it? How can I do this? 2. When I am using dput utility to submit it says that there are no ...
2
votes
2answers
1k views

Open Custom Dialog Windows (PyGTK + Quickly)

I have just downloaded Quickly, created a new project, set up simple GUI and created new dialog (quickly add dialog create (as you can see, I called it create)). I already have click handler in the ...
2
votes
0answers
151 views

How can I create an appmenu/DBusmenu using python? [duplicate]

Possible Duplicate: How to add support for the global menu to a python non-gtk, non-qt app? I want to add support for the indicator-appmenu to an application that is not written in one of ...
2
votes
2answers
545 views

Ubuntu one API file upload maximum size

I'm making an application using UbunuOne REST API in order to upload files to the Ubuntu storage service. file storage API I can achieve uploading some files, but when I try to upload a large file ...
2
votes
1answer
1k views

How to use application indicator for KDE application?

How can I use libappindicator to create an application indicator for a KDE app in C++ without using GTK? The example shown here uses GTK to create the menu. Is this necessary? Is there a KDE ...
1
vote
1answer
21 views

What does lint_package_filename_format mean?

In a review of a .click package of my app, a message contained the following: lint_package_filename_format How can I fix it?
1
vote
1answer
205 views

Ubuntu Touch QML API : PageHeadStyle

I'm looking for some help to use PageHeadStyle components which is available in Ubuntu SDK. If somebody has example, I will be grateful. Thanks.
1
vote
1answer
213 views

How to play music when app is not the active app?

I'm working on a music app for Ubuntu Touch I don't know how to keep playing music when my app is in the background or the screen is turned off. Apparently, media-hub is a platform service introduced ...
1
vote
1answer
35 views

Why do I get “Value of Key 'Comment' is empty” in my app review?

I uploaded a Ubuntu SDK app for review on https://myapps.developer.ubuntu.com and the review is pending, because there are errors. One is the following: "desktop_validates (iamonair)": { "link": ...
1
vote
1answer
2k views

QML what to use to store int numbers TextInput or TextField

What is good to use on a Ubuntu Phone app that needs 25 variables to get input that are int numbers. Text fields or text input. Right now I'm using text inputs to create the 25 ids that I'm going to ...
1
vote
1answer
1k views

Read lines from a text file in QML Qt/Quick

I need open a text file and read it's contents line by line and store each lines in a string list in qt quick 2.2. Can every one help me?
1
vote
0answers
285 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 ...