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
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23 views

Publishing my first application on PPA (Launchpad) [duplicate]

Let's say that I have a little script that outputs "Hello world!" in terminal: echo "Hello World!" How can I publish it to Launchpad PPA so I can type: sudo add-apt-repository ...
2
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0answers
30 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 ...
1
vote
1answer
29 views

what cd burn lib for app development libburn

Hi I am developing a GTK front end for playing audio files, encoding them then burning audio cd's. I have playing and encoding implemented but have run into a wall with burning. I would rather not ...
0
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0answers
30 views

MySQLdb on Brython?

Hi there I'm working on a server-based point of sale for a sports club, and downloaded Mysqldb lib so that I can access and modify it through python scripts, they work great!, so I decided to use ...
1
vote
1answer
38 views

does ubuntu-sdk all programming language supports all mobile devices?

ive installed ubuntu-sdk , and the main goal for this installation is to develop mobile apps, for all devices iphone/galaxy...etc saw the project programming language select, html5....python. can i ...
1
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1answer
53 views

Internationalization of QML application using i18n

Does someone know all the steps needed to have the apps translated in multiple languages? I am using in my QML files i18n.tr() , and such words I need to translate I performed below steps ( ...
2
votes
1answer
169 views

QML ListView is not scrollable ( if included within a row )

Below code is using ListView within a Column and Row. But the ListView is not scrolable. Any idea why ? import QtQuick 2.0 import Ubuntu.Components 0.1 MainView { width: units.gu(60) height: ...
1
vote
1answer
50 views

How do you launch system applications from within a Ubuntu Touch app?

Android had a concept of Intents by which you can launch the system apps using your own apps. Does Ubuntu touch have any options like that? If so how can one do it?
1
vote
1answer
52 views

QML ListView overwriten with buttons - but should be in different rows

In below code I have 2 rows . In first I have buttons and in second a ListView. Why are they overwriten in the display, what's wrong ? import QtQuick 2.0 import Ubuntu.Components 0.1 Page { id: ...
2
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1answer
80 views

QML ListView display only 1 row ( if covered in Column and row )

I need to put a ListView ( coded in QML) into a Row, but in this case only first Row of the ListView is displayed . Some idea why ? Here is my example : import QtQuick 2.0 import Ubuntu.Components ...
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
145 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 ...
14
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1answer
789 views

How can GIMP 2.8 have two different icons together?

In Unity dash GIMP 2.8.10 has a icon and uses a different one in launcher. GIMP in Dash GIMP in Launcher I searched for GIMP in "File System" and got this. How can this be done while ...
1
vote
1answer
129 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 ...
2
votes
1answer
75 views

How to integrate jFrame Menu Bar into Unity top bar?

I'm developing a Java application using jFrames, and the Menu bar object doesn't integrate with Unity's top bar (Window Title & Application Menus) as any native Unity application does. Is there a ...
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 ...
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: ...
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: ...
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
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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
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2answers
86 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
49 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
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.
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 ...
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
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 ...
0
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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 ...
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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 ...
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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 ...
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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 ...
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, ...
2
votes
3answers
167 views

Tab View HTML 5 App

I am trying to understand the basics of the Ubuntu HTML5 UI. I have used the following sample Code from developer.ubuntu.com <body> <div data-role="mainview"> <header ...
1
vote
1answer
253 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: ...
0
votes
1answer
35 views

How can I access an attribute of the selected option in an OptionSelector?

I have an OptionSelector that delegates to an OptionSelectorDelegate, and has a ListModel for the model. How should I access the "sometext" attribute of the ListElements? OptionSelector { id: ...
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 ...
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 ...
1
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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 ...
3
votes
2answers
271 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
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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
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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. ...
2
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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 ...
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
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 ...
0
votes
0answers
79 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
68 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. ...
1
vote
1answer
121 views

Set Application Icon

I'm building a QML application with the Ubuntu SDK. I've figured out how to add an application icon to the .desktop file, but I'm not sure where to add the window icon itself. I've seen code for ...
4
votes
1answer
24 views

How do I effectively submit a system level concept for Ubuntu tablet for consideration?

The concept is akin to the implementation of swiftkey in BB10 operating system. It would have to interface with all applications so, while it could gain traction as a standalone application, it would ...
2
votes
2answers
108 views

How to Create Ubuntu Desktop html5 Web Apps

How to Create Ubuntu Desktop html5 Web Apps please help me!!!!
0
votes
1answer
30 views

is there code example or api reference for “convergence”?

I cannot find any code example for writing apps for “convergence”. Does anyone know it where I could find any? Or will anyone give some clue about how to write a convergence app for both phone and ...
0
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0answers
23 views

MB860 Upgrade to Ubuntu

I saw on your video that you are using Motorola MB860 phone as a desktop computer. Can I install Ubuntu to this type of phone for myself? I would create a kit with this phone and a dock with your OS ...