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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1answer
34 views

Ubuntu Apps Developer Team

I'm writing on behalf of getting answers for a few questions. I have a team and we have to develop apps for Ubuntu Software Centre. I am the team leader and I have two members and we are growing ...
0
votes
0answers
21 views

How to make Unity desktop webapp (not Touch)

I want to make an Ubuntu desktop app that will display my website, kind of like the Amazon app that comes in the default installation. I am not trying to make an app for Ubuntu Touch, nor setting up ...
0
votes
0answers
19 views

Can you develop plugins for Ubuntu's Browser yet?

Can you develop plugins for Ubuntu's Browser yet? Is there a framework available yet?
1
vote
2answers
122 views

How to run an action when clicking on an appindicator

I'm looking at writing a simple app indicator and I need it to update it's information whenever it's clicked on to open the menu. Is there any kind of on_click action thing? Let me rephrase it then: ...
0
votes
1answer
24 views

where is “killer gegls from outer space” source code [on hold]

I want to modify the game Killer gegls from outer space. Linux OS Easter egg. only I cant find the source-code. Where is it?
0
votes
0answers
29 views

Run QT application on ubuntu issue [closed]

Now i used QT 5.x.x and Ubuntu 13.10. 1) I need to build Ubuntu to kiosk mode or something that can open QT app. 2) I need to open my terminal(the command in terminal should be chmod -R /dev/ttyUSB0 ...
-1
votes
1answer
8 views

How do I uninstall a click package? [duplicate]

As a developer, how do I uninstall a click package for Ubuntu Touch / Ubuntu Phone?
2
votes
1answer
161 views

Custom widgets/controls in application indicators

I want to develop an app for ubuntu, that integrates inside the calendar indicator/menu. It should allow to enter info right from it, and have several controls like input boxes, drop downs, spinners ...
6
votes
2answers
131 views

Is it possible to update the app indicator from code?

I use ruby-libappindicator bindings to manage ubuntu application indicators. I want to indicate if port 3000 is used by any application. Port checking isn't a problem but I also need to update the ...
0
votes
0answers
23 views

permission denied when starting android sdk

I have been developing Android apps on windows but setting up my PC to develop android apps has been very daunting on Ubuntu 14.04. I followed the steps from this tutorial at xda-developers but on ...
3
votes
0answers
27 views

How to create an Ubuntu Touch app with a C++ backend and a QML interface [closed]

I'm looking forward to the release of Ubuntu Touch and thought it would be nice to contribute a small and free app that I'm also using now on my Android phone. The free and open source app for ...
0
votes
1answer
18 views

gtk header files libgtk2.0-dev package paths broken by install directory hierarchy

Ubuntu 14.04 Desktop I installed the gtk 2.0 dev package using apt-get. I see the header files in /usr/include are inside a directory gtk-2.0 (/usr/include/gtk-2.0) instead of the root include ...
0
votes
0answers
14 views

Mir based desktop sharing?

I am asking this because I am developing a pair programming plugin, and would like to know if Mir has any desktop sharing capabilities either planned or already existing. This would be to share built ...
1
vote
1answer
36 views

Pair Programming in Ubuntu SDK?

How do you do collaborative code editing, aka pair programming, in the Ubuntu SDK? I heard you can do this in Vim, and I wonder if the Vim functionality in QtCreator makes this possible.
1
vote
0answers
14 views

About is not working in My Ubuntu App for desktop

I have developed the same app "mybrowser" told by Jono Bacon in his tutorial. But when I want to see About it is throwing the following error: Gtk.Window.__init__(self, type=type, **kwds) ...
1
vote
1answer
37 views

How to publish a jar application to Ubuntu Software Center?

I want to upload a simple desk toy to the Ubuntu Software Center, I've researched and I can't seem to find the answer. Do I need to upload as .jar or .zip or .deb?? My jar file is an executable jar. ...
-1
votes
0answers
8 views

how do I find out which unity-scope is responsible for which advert

I need to delete the advertising unity scope, before it was just -shopping but it seems there are more now and applications too. Is there a guide somewhere that says what scope is what and how to ...
-1
votes
0answers
9 views

Nexus mobile fone that run Ubuntu touch [duplicate]

What mobile fone brands that will run the Ubuntu touch? I've search for this nexus and there are few brands like LG, Samsung and Asus.
1
vote
1answer
28 views

Building HTML cordova app and running directly on physical device

I've just finished to create simple HTML/Cordova application on Ubuntu. It works fine on the desktop. I just want now to build it, copy to real UBUNTU device and run it (Not from SDK). Which files ...
0
votes
2answers
23 views

How to develop applications for Ubuntu Software Center? [duplicate]

I'm learning python. I have completed first three tutorials recommended by official python page. What are the best steps for me to continue? Should I just continue learning python? Should I start ...
1
vote
1answer
10 views

What does functional_qml_application_uses_friends mean?

In a review for my click package, I saw the following message: functional_qml_application_uses_friends What does it mean and how do I fix it?
3
votes
0answers
435 views

TypeError: Cannot call method 'hasOwnProperty' of null, while creating a QMLscene window

I am trying to make a simple Ubuntu Touch web application with Qt Creator. I have set up a new project according to the tutorial and committed the files to Bazaar. I have set a url instead of the ...
1
vote
1answer
57 views

Execute Javascript Code in Oxide

I'm Looking for an oxide equivalence to this QtWebKit Function: WebView.experimental.evaluateJavaScript() Or WebKitGtk WebView.execute_script() I'm having problems to find documentation about ...
0
votes
0answers
9 views

Looking for some starter help for Ubuntu package building

So far I have followed and understand the Ubuntu Packaging Guide and have skimmed through the Debian Maintainers Guide a bit. My question comes down to making my package outside of the normal ...
1
vote
2answers
804 views

Change font programmatically for GTK3 TextView (quickly-widgets TextEditor)

In an app using PyGI and GTK3, I'm trying to let the user set the font family and size in a TextView through my app's settings dialog. In PyGI the TextView object has "set" methods for several ...
1
vote
3answers
52 views

Can I find my car with my portable device?

Is there any software on Ubuntu which allows me to find my car with my tablet or cell phone which is running Ubuntu Touch? When I lost my car, I would like to use Ubuntu Touch on my portable device to ...
2
votes
0answers
38 views

How to specify target architecture in quickly apps?

I'm building a quickly-app, Do I have to specify somewhere the architecture (amd64,i386,etc) in which my app can run? Thanks in advance. Regards.
6
votes
1answer
97 views

Can I run bash commands from an Ubuntu HTML5 App?

I want to convert some bash scripts into GUI apps using the Ubuntu SDK to create an HTML5 app. Is this possible? Are there any tutorials besides the 'Meanings' one that demonstrate this?
2
votes
0answers
38 views

Are USC applications allowed to install .desktop files?

Ubuntu's official site for developers says: Technical requirements: In order for your application to be distributed in the Software Centre it must: Be in one, self-contained directory when ...
21
votes
4answers
5k views

Is there any API Document Browser like Dash on Ubuntu?

I've seen my friend enjoy using Dash, in which you could look up all kinds of language document, Java, c#, Android, Javascript, JQuery, etc. That makes life much much more easier!! Does Anyone knows ...
0
votes
1answer
47 views

Developing Mir GUI on Ubuntu Server

The question is: How would I develop a C++ GUI application using Mir on Ubuntu server? I've installed all the packages that relate to Mir: mir-demos, unity-system-compositor, libunity-mir-dev, ...
0
votes
1answer
29 views

Get rid of orange edge around radio buttons

I am currently working on a GTK+ 3 program and I constantly encounter this rendering mistake. The edges around radio buttons are drawn orange which is especially visible when the window is passive and ...
3
votes
2answers
62 views

What to learn Ubuntu application development in python, where to start?

I know basic python and i love it. I want to learn how to develop and publish Ubuntu applications in python but don't know where to start (I mean "the standard ways" to do so). It would be good if you ...
0
votes
1answer
53 views

Problem with QtWebkit and QML in PyQt5 App Ubuntu for Devices (Ubuntu Touch)

I'm having problems with qtwebkit in ubuntu for devices (Nexus 10) when using pyqt5, the webview element doesn't show, and the application closes. But if I test the same .qml file with qmlscene it ...
0
votes
1answer
19 views

Button Click not recognised in Quickly

I am running quickly 12.80.1-0ubuntu2 and for some reason the apps that I generate no longer recognise button clicks. A few weeks ago I created an application using the ubuntu-application template ...
0
votes
1answer
45 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?
17
votes
3answers
842 views

How to write Appindicators in python?

I'm looking to try and develop some simple indicators, for numlock/capslock and brigthness, etc. How would I go about creating indicators in python? Are there any tutorials that walk me through ...
4
votes
2answers
1k views

What are some good developer resources for QML/Qt Quick?

I have seen the tutorial for the mobile platform on the Ubuntu developer site, but I am completely new to the Qt stack. Are there any other good resources for getting started with Qt/QML/Qt Quick?
0
votes
1answer
26 views

How to make a debian package from ubuntu SDK?

I have created an App using the Ubuntu SDK and now I can't find a way to package it. The documentation says the easiest way to do so is using the publish button located on the left bar in ubuntu SDK, ...
3
votes
2answers
63 views

What framework should I use in my manifest file

I'm writing an application for Ubuntu for Phones and need to know what framework goes in the manifest.json file. I submitted an app but got this back:- 'ubuntu-sdk-13.10' is obsolete. Please use a ...
1
vote
2answers
110 views

How to package an application icon properly?

There is an blog article on ubuntu developer blog. http://developer.ubuntu.com/2012/02/how-to-prepare-a-compiled-application-for-ubuntu-software-center/ I followed all steps exactly. But the ...
0
votes
1answer
105 views

How to create Radio player based on Gnome MPlayer?

I want to make a radio player based on Gnome MPlayer, but just for one radio station, some like a native radio application. I don't know if I have permission to modify MPlayer, but since is open ...
0
votes
0answers
19 views

Qt C++ windowMinimized no reaction on Ubuntu

Heloo all! Me and a friend are creating an app for linux, everyting works but the custom minimize button doesnt whant to work on Ubunutu 14.04, there is no reaction when presed clicked an so on. Any ...
1
vote
1answer
108 views

Qt Quick 2.0 UI Application Not Displaying on Touch Device

I'm trying to run a tiny (very tiny) Qt Quick 2.0 UI application on my Ubuntu Touch device (Galaxy Nexus Phone). Qt Creator successfully pushes to the device (copies via ADB and runs QMLScene) but I'm ...
0
votes
1answer
43 views

Ubuntu SDK: Template HTML5 app shows warning

I have created a new HTML5 app with the Ubuntu SDK, and whenever I click the Run button, I get the following output on the console: Setting import path to: ...
0
votes
1answer
38 views

Why does not app update appear in Software Center?

I have submitted an update (v 1.1.0) for Brightness Controller and it was packaged about two months ago. But it still does not appear in Software Centre. It shows 1.0.1 (the previous version) ...
4
votes
6answers
2k views

Which window has current focus?

I'd like to know (programmatically) which window has current focus. Is there a window-manager independent way of discovering that? Otherwise, how does one determine which window has focus in Compiz ...
0
votes
0answers
5 views

Porting App created using Ubuntu SDK onto an Embedded linux board

I have created an App using the Ubuntu SDK, which I want to port onto an embedded linux based device. The App uses QML and C++. How should I package the app for deployment taking into account the ...
8
votes
3answers
591 views

What are the alternatives for notify-send?

I use notify-send for desktop notifications and I get notifications with expected summary and body. However, notify-send has limitations and so I would like a few recommendations on alternatives for ...
1
vote
0answers
114 views

module verification failed signature and/or required key missing

I am working on a kernel module, which is working fine. However, looking through dmesg, I see a message regarding my module that module verification has failed (module verification failed signature ...