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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3
votes
1answer
67 views

What's a good way to mock a remote HTTPS API for unit testing my QML app?

I'm tinkering with a QML app that interacts with a remote REST API over HTTPS. The "client" part of the app is neatly packaged into a component and I'd like to unit test that, but I don't want to ...
2
votes
2answers
144 views

Ubuntu Studio for Ubuntu SDK

I have one of the strange question in my mind. I saw Ubuntu studio is good for multimedia related thing. I was wondering this thing for past few days. Is it possible to Install Ubuntu SDK in Ubuntu ...
1
vote
1answer
128 views

Ubuntu SDK open file dialog

I've started playing with the SDK to start developing an application. The application will be something that will allow me to filter records in an CSV file by a search term. But does a file dialog ...
1
vote
2answers
429 views

Which Java versions support global appmenu

yesterday after few updates (some of them in java) the Eclipse lose ability to move it's menu to the global-menu bar. I was try to remove/add different java from the ubuntu's repositories but it ...
12
votes
7answers
11k views

What 2D/3D engines and game SDKs are available? [closed]

What 2D/3D engines and game development SDKs are available that run natively on Ubuntu? Please limit one engine/sdk per answer - and include why you enjoy the engine/sdk.
0
votes
1answer
833 views

Where can a beginner learn ubuntu game development?

Hi everyone I haven't had Ubuntu for long but I feel it has more potential for game development than Windows 8(DON'T USE IT, IT BLOWS!). On Windows I used XNA, but I wanted to have a development ...
5
votes
1answer
842 views

Where is the documentation for programming OpenGL ES for Ubuntu Touch?

How can I program an OpenGL ES program for Ubuntu Touch? I have installed QtCreator and the Ubuntu SDK, but I can't seem to find any documentation about this topic.
0
votes
1answer
420 views

How to combine quickly and my python program?

Firstly, I'm not sure if I'm allowed to ask this question. I'll delete it if it's not welcome. I'm after some guidance on how to start programming. Perhaps I need to start somewhere else, but I'm ...
0
votes
1answer
19 views

Ubuntu apps development - how to communicate betwen 2 pages

On one Page I have displayed ListView and on child Page I creating new records. When the child Page is Closed I would like to refresh the ListView. Is there some Signel which inform me when page get ...
1
vote
2answers
76 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
169 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
434 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
109 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 ...
0
votes
1answer
48 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
55 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
54 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
88 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: ...
14
votes
2answers
9k views
0
votes
0answers
36 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
30 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
48 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
0answers
177 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
14 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
118 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 ...
2
votes
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 ...
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
33 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
30 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
263 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
33 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
83 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
42 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 ...
12
votes
4answers
21k 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
84 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
46 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
63 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 ...
7
votes
3answers
133 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? [closed]

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
39 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
44 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
15 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
75 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
9k 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 ...
2
votes
0answers
51 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
169 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
97 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
60 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 ...