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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1
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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 ...
2
votes
1answer
161 views

XmlListModel Syntax Error? Currency Converter

I've followed the currency converter "Hello World" tutorial, as far as I can see exactly how it should. Yet when I try and run it via QMLScene I get a Syntax Error on line 45. Line 45 is: ...
3
votes
2answers
414 views

Facing problem with “gtk.RESPONSE_OK” in the simple-player quickly tutorial

I am fairly new to both quickly and Python. I am facing several problems while learning to use quickly from the following tutorial on the Ubuntu developers site: ...
1
vote
1answer
91 views

How do I install QtTest for the Ubuntu SDK?

When I select "Build -> Ubuntu Touch -> Create Application Package" in the Ubuntu SDK, the build fails with the error "FAIL! : qmltestrunner::tst_hellocomponent::compile() module "QtTest" is not ...
3
votes
1answer
56 views

Appmenu with QML App

I'm developing an Ubuntu SDK meant to be used on both the desktop and touch interfaces. Obviously the menu that slides up from the bottom of the window is not a great interface for the desktop. ...
0
votes
1answer
26 views

Ubuntu Touch date picker HTML5

I'm working on an app for ubuntu touch in html5 but Im wondering what components I should use for a date or time picker. I've asked it a couple of times on IRC but never got an answer greetz ...
2
votes
1answer
46 views

What does functional_qml_application_uses_QtWebKit mean?

In a review for my click package, I saw the following message: functional_qml_application_uses_QtWebKit What does it mean and how do I fix it?
3
votes
1answer
48 views

How come the contents of Text elements aren't being properly justified?

Consider the following page in a QML application: Page { Text { anchors.fill: parent anchors.margins: units.gu(2) horizontalAlignment: Text.AlignJustify text: ...
4
votes
1answer
40 views

How do I make a WebView transparent?

Consider the following QML snippet: Page { WebView { id: webView anchors.fill: parent } } I then attempt to load some HTML in the WebView using the following JavaScript: ...
12
votes
2answers
8k views
0
votes
0answers
28 views

What to do after writing source code of ubuntu touch app?

I have completed the writing of source code for an ubuntu touch app. I created the click package also and installed it. But when I launch it the following error pops up: Failed to execute command ...
0
votes
1answer
24 views

Can I use GTK+ stock icons in a free closed source business application?

If so, have I to indicate anything in license (classical "About" window)?
0
votes
0answers
31 views

Ubuntu HTML5 app ReferenceError: Can't find variable: Tab

Following is the code: An Ubuntu HTML5 application <!-- Ubuntu UI Style imports - Ambiance theme --> <link ...
0
votes
1answer
38 views

How to change window opacity dynamically in Python and Quickly?

The app is written in HTML and is running using webkit and Quickly. The opacity can be changed using Glade. I want to add a slider functionality in HTML which will change the title of the HTML ...
0
votes
0answers
141 views

Access microphone/record sound from QML?

I'm afraid that the answer is to write a plugin in C++, but I'm wondering if there is a way to access the microphone from QML. There is a way to take pictures, record video, and play media all using ...
25
votes
6answers
3k views

How do I develop an Ubuntu application in HTML and JS?

I am developing an app and I think HTML and JavaScript are better for the future, but I cannot find any tutorials (I need the app to use the system theme). Are there bindings for Unity, message menu ...
0
votes
0answers
11 views

My app missing in MyApps

What do I need to do to get my app linked to my account again? I logged into Ubuntu develuper/MyApps and it says I have no apps. It is still in the Software Center.
0
votes
1answer
95 views

Simple GUI to display static text informations

I would like to know if there is a way to write or modify a simple program (I don't really care what language it'll use) that can be launched in GUI mode and will display formated text and URL that ...
1
vote
0answers
13 views

Hello I made the application GibberEng [closed]

I made the app and when i look at my account info it shows when I authorized the submission and everything. But when I look at "My Applications" It shows nothing. I would like to know how many people ...
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 ...
0
votes
1answer
15 views

How to edit description of a software using Quickly?

By default descriptions of all new Quickly apps are "UNKNOWN" in the debian/control file. Changing that and releasing a new version does not work (It gets reverted). How to edit the descriptions?
1
vote
1answer
29 views

Will pure Java written software be accepted in Ubuntu Software Center [duplicate]

I just came across an article regarding submitting app to Ubuntu Software Center http://developer.ubuntu.com/publish/apps/other-forms-of-submitting-apps/commercial-software-faqs/ I'm currently ...
0
votes
0answers
17 views

Use udevadm to test for printer offline?

I want to test that a printer on a parallel port is available, that sending a file to it will not fail because it is offline, off, cover open, out of paper. My reading of the udevadm manpage suggests ...
6
votes
2answers
220 views

How do I use OAuth from an Ubuntu Touch app?

I'm writing an Ubuntu Touch application in QML. I'd like to integrate with Trello. There are two ways to log into Trello in the API, one of which is OAuth, which I plan on using. What is the best way ...
0
votes
0answers
24 views

Ubuntu Sdk don't run apps

I have ubuntu 12.04, and i install Ubuntu-sdk following the instructions of the oficial page of ubunut. But when i try to launch the demo app, i get this: Starting ubuntu-html5-app-launcher ...
10
votes
2answers
5k views

How do I start developing applications for Ubuntu on mobile devices?

I've come away a little confused on how to develop mobile apps for Ubuntu. First of all, do developers need the Ubuntu operating system to develop for Ubuntu? Is it possible to develop Ubuntu apps ...
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 ...
11
votes
4answers
16k views

How to use Qt Creator with Python?

I want to use Qt for developing Ubuntu desktop, phone and tablet applications but I don't want to learn a new programming language (C++, JavaScript). Is it possible to write Qt application in Python ...
2
votes
1answer
52 views

Problem embedding a pylab Figure in a Gtk application using quickly

I am currently trying to build a simple app that includes some pylab figures. I just started to use quickly and I am concerned about some import issues. That is, none of the matplotlib backends will ...
2
votes
1answer
33 views

In the CurrencyConverter Ubuntu SDK QML example where does the index variable come from?

In Ubuntu SDK QML tutorial a simple currency converter is build. The complete QML source code can be found here. When working through the example I found the following snippet somewhat confusing, ...
3
votes
2answers
47 views

How to change the color of *just* the header?

Is there a non-hacky way to change the color of just the header in an app using the Ubuntu SDK? MainView has a headerColor property, but that is used as the first step of gradient. Currently, I'm just ...
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: ...
7
votes
3answers
132 views

Is there anyway to contact whoever handles commercial apps for the Software Center?

I have some problems with the way my app is published due to a name change. Also, I want to inquire as to if/how my application can be made available for Oneric Ocelot, and when they come out future ...
1
vote
1answer
24 views

How to get help and to help with development of software

I am wanting to get some help with a project, and would love to help others. Maybe be on a developer team even. I have looked at the different Ubuntu sites. What site is the better of the sites? Also ...
16
votes
2answers
4k views

How can I get started with developing apps for Ubuntu Touch? [on hold]

I am interested in trying the new Ubuntu for phones OS development. (I am not an Ubuntu developer, I am new to Ubuntu. Impressed by the Ubuntu Touch preview, I got interested in learning how to ...
1
vote
0answers
36 views

Develop apps for Ubuntu touch: Learning by doing [duplicate]

I really want to develop apps for Ubuntu touch. I have set up the Ubunut sdk and i am currently reading tutorials about qml but one will not learn programming by reading books or tutorials so i am ...
0
votes
0answers
33 views

Upgrade boost 1.49.0.1 to 1.54 on Ubuntu 12.10

Had stability issues with 13.10 and problems with secure boot on 12.04 so currently using Ubuntu 12.10. I have used the regular boost installation command from the terminal but because I am on 12.10 ...
0
votes
0answers
14 views

Using Ubuntu Compoments on other systems

I'm working on an music player for touch screens. I would really love to have it looking and working natively on Ubuntu Touch. At the same time I don't want to break compatibility with other systems. ...
0
votes
1answer
58 views

ubuntu sdk html5 applicaitons miss some basic effcts of normal html in web browsers!

I download and install the newest ubuntu sdk (1.097~sdkppa~saucy1~test9) in Ubuntu 13.10. I just create a native app with Ubuntu HTML5 APIs, but find that it miss some basic effects/behaviors of ...
19
votes
17answers
8k views

Is there a Visual Studio style tool/IDE?

I have been developing in the windows space with Visual Studio for a while now with work, but I have also been using Ubuntu for a while and am keen to get into some software development for linux. I ...
1
vote
0answers
41 views

Submitted applications for Ubuntu Desktop [closed]

Are the submitted desktop applications for Ubuntu reviewed and added to the Ubuntu software center anymore? Its been a month that I submitted an application named PLY Visualizer on ...
3
votes
1answer
138 views

How can I merge unversioned MonoDevelop code back into a git repository?

My group partner and I are creating a MySQL database application with a GTK# frontend. Our application consists of a main window with information displayed in multiple tabs. My partner started most of ...
2
votes
2answers
54 views

If I make an HTML5 app with the Ubuntu SDK, will it work on Android?

If I develop an HTML5 app with the Ubuntu SDK, how easy would it be to port that to other mobile platforms, like Android? One of the reasons I would want to use HTML5 would be potentially the easy of ...
0
votes
2answers
51 views

qml file and app.js not found

I am a newbie in ubuntu app development. I am going through the tutorials in developer.ubuntu.com. The thing is when I created a sample ubuntu-htmui project, no .qml file is being created as explained ...
3
votes
2answers
288 views

How can I programatically show/hide my app window with global shortcut key?

I'm writing a Notational Velocity clone for Gnome/Ubuntu using Quickly (PyGI) and I want to allow users to set a global shortcut key that will toggle the visibility of the app window when the app is ...
6
votes
1answer
163 views

How to resolve “release command failed” in quickly app hello-world?

I am new to Ubuntu and new to programming. I watched the video on http://developer.ubuntu.com/get-started/ and the video made it look so easy. I followed all the steps and everything was going good ...
4
votes
1answer
260 views

Is there a standard REST API for DBus communication?

I've found this, but I'm trying not to borrow code for my application. The reasoning is that if you're writing a local HTML5 App, you may want to call some DBus api from javascript(like ubuntuone ...
0
votes
0answers
62 views

Problems with Ubuntu One API and PHP

I have a PHP script that backups my servers and send the files to Ubuntu One. It was working fine until yesterday, but it's not working anymore. I found out there was a problem with the authorization, ...
1
vote
1answer
39 views

Quickly produces an error when installing

I ported an application over to Quickly, replacing all the files as necessary. When I say quickly run the application runs without flaw. However, the problem occurs when I try to package/install it. ...