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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1answer
38 views

It is not supported to create click packages for a non UbuntuSDK target

I've just finished a first version of my app port to QML and tried to create a click package but Ubuntu SDK said Wrong kit type It is not supported to create click packages for a non UbuntuSDK ...
-1
votes
0answers
9 views

How do I implement Pidgin hide groups feature? [on hold]

Since my question on StackOverflow was closed I will try to get help here. Hope the Ubuntu community will be more supportive. In short words, I need a good, valuable tutorial on how to implement ...
1
vote
0answers
13 views

How to use QAudioOutput in Ubuntu Touch

When I run QAudioOutput on Ubuntu Touch in confinement, It reports permission error. Basically it is trying to create a directory in /run/user/*/pulse which is rejected by the confinement. How to ...
9
votes
4answers
1k views

Run system commands from QML App

I'm creating a QML app for Ubuntu Touch to easily manager your Minecraft server. Just for fun and to learn QML. However, I got somewhat stuck on a step on my app. I'm more of a web developer, never ...
1
vote
1answer
5 views

Allow OptionSelector to Scroll While Expanded

My QML app uses an OptionSelector to allow users to choose from a list of items. On tablet size, I have it set to keep it expanded. However, I limit the container height, and while it's expanded, it ...
1
vote
1answer
18 views

Scrolling of ListView within a Column in QML

Below code is working fine ( thanks to Sylvain ), only when scroling, the top row from the ListView overwrite the buttonRow. Any idea ? – import QtQuick 2.0 import Ubuntu.Components 0.1 MainView { ...
1
vote
3answers
79 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 ...
2
votes
2answers
618 views

Saving user settings in QML/JS

I'm working on a small game and i'd like to know how can i write/read a user settings file in ubuntu touch?
1
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2answers
22 views

How to set default time for QML DatePicker?

According to the API I should use date property, but with mode: "Hours|Minutes" the picker stays at 00:00. Is it possible somehow?
2
votes
2answers
22 views

How to get pixel length of a Button text string in QML?

I need to know Button text length in pixels. How to do that ?
0
votes
0answers
15 views

Hello i need some one who knows java / linux ubuntu programming [on hold]

Hello i need some one who knows java / Linux / Ubuntu programming i have some questions to ask him ? i need a tutorial on how to make a radio app witch uses online radios for streaming the music .
0
votes
0answers
17 views

Real Time Scheduling [on hold]

I want to implement a real time scheduling algorithm in linux kernel. But I wont be able to do it if anybody help me out. I will be thankful to you.
-1
votes
0answers
16 views

is there a developer willing to dev a lacking printer driver? [closed]

we are ready and willing to dump windows in our office and move to Zorin installations, that are very friendly for windows users. We tested on one laptop, and works great! Only, we have a ...
3
votes
1answer
24 views

Finding Mouse click position in IconView in GTK

I am building a file browser using Gtk.IconView in python. I am trying to find the path of an icon selected using " selection-changed" signal using gtk.IconView.get_path_at_pos(x,y). The docs are mum ...
1
vote
0answers
14 views

Ubuntu Touch how to detect If the application is closed

on ubuntu touch. I run an application in terminal and close the application in the Application scope. The application isn't killed. And no event is caught in QQuickView. How do I detect this close ...
0
votes
0answers
11 views

How to package QML Extension Library + Tabbed Touch UI?

I have followed the method described [here] (https://bugs.launchpad.net/ubuntu/+source/qtcreator/+bug/1215913) for creating QML Extension Library + Tabbed Touch UI project and generate click package. ...
0
votes
0answers
11 views

Installation failed for API

I'm developing an app for sending OSC messages working through the outlet port 4444 and I am using a C API call Liblo. Project page: http://liblo.sourceforge.net Normal install it by running the ...
-1
votes
1answer
37 views

How to set up an environment to develop Android apps in Ubuntu that doesn't have internet Connectivity?

I have an Ubuntu laptop in which I need to develop Android apps. I know that all that software could be downloaded from the software center but the problem is that I don't have internet connectivity ...
-1
votes
0answers
25 views

HighLight Text line using python script in Gedit and LibreOffice without using Plugins [closed]

I am trying to HighLight Text line using python script , but I can't find that How to highLight text Line of any word document document like Gedit ,LibreOffice etc. Can we Highlight text line with ...
0
votes
0answers
4 views

Microsoft VM installing Openemr on Ubuntu

I am installing OpenEMR on MS Cloud VM using Ubuntu. There are different versions of openEMR such as: 1 Windows 2.Ubuntu/debian 3 Linux Which download should I use? Is Umbutu/debian same as Umbutu? ...
0
votes
1answer
62 views

graphical presentation of codes

Is there any tools which understand programming languages in Ubuntu and make a graphical shapes or diagram of the code. I think it is better to describe my case I have a C++ code with more than 10 ...
2
votes
1answer
36 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 ...
-2
votes
1answer
19 views

File permissions and applications

How does ubuntu protect against executable files which become executable through another installed app changing the permissions? I mean it is possible to check applications do not change file ...
1
vote
1answer
29 views

QML PageStack , communication between Pages - return values

I defined PageStack only on master page (a.qml) : import QtQuick 2.0 import Ubuntu.Components 0.1 MainView { width: units.gu(48) height: units.gu(60) PageStack { id: pageStack ...
2
votes
1answer
37 views

how to start developing more cleaner editor's gui interface?

I'm using Ubuntu since one year and it got everything I need daily. I've written couple of applications like gps tracking and live video streaming in C++ with netbeans on Ubuntu. The only drawback ...
0
votes
0answers
27 views

Ubuntu touch HTML5 app tab navigation not working

I am new in ubuntu touch app development, I am using HTML5 instead of QML. below is my code. <div data-role="mainview"> <header data-role="header"> <ul data-role="tabs"> ...
1
vote
0answers
18 views

Cannot import directory path to qmlscene

I am trying to import directory in QML as explained, here: http://qt-project.org/doc/qt-5.0/qtqml/qtqml-syntax-directoryimports.html. I have the following ubuntu-app | - extras1 | - extras2 | - ...
3
votes
0answers
20 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 ...
1
vote
1answer
26 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 ...
2
votes
0answers
25 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 ...
0
votes
0answers
21 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
41 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 ( ...
1
vote
1answer
23 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 ...
2
votes
1answer
35 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: ...
0
votes
1answer
34 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
22 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: ...
3
votes
1answer
28 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
120 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 ...
0
votes
1answer
55 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
414 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 ...
-1
votes
0answers
23 views

What languages do I need to develop Ubuntu apps? [duplicate]

I can program with C ,C++ ,PHP ,HTML ,CSS and Shell Scripting. But what are the languages do I need to learn for developing apps for Ubuntu?
12
votes
7answers
9k views

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

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.
1
vote
1answer
627 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
761 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.
14
votes
1answer
756 views

How can GIMP 2.8 have two 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 ...
0
votes
1answer
380 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
1answer
44 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 ...
1
vote
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
160 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: ...