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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Web Development in Ubuntu 13.10?

I am a Web Developer and Java Developer. I have already installed JDK and Eclipse. I need a Web Development and Designing Software like Dreamweaver for my Ubuntu 13.10. I normally work with below ...
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14 views

How do I package an app I wrote using the Ubuntu SDK and upload it to the Ubuntu Software Center (or Launchpad)?

I have decided to use QML for writing an app for Ubuntu. Once I am done coding the app, how do I package and upload it so other people can download my app from the Software Center?
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137 views

App development without Qt Creator

Is it possible to develop app for Ubuntu without using Qt Creator? I wrote the same code in other text editor and compiled using qmlscene fileName.qml. An error popped up saying "components": no such ...
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0answers
156 views

Develop in C/C++ for Qt Ubuntu Touch projects

as said in the question I want to develop the code in C or C++ for my Ubuntu apps. I don't feel confortable in Javascript at all, and when I try to create a C or C++ file the IDE returns me Failed ...
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1answer
54 views

Application integration with Unity launcher

I like to integrate a application (a digital shredder, a interface for shred command) to allow drag-and-drop files from Nautilus to launcher icon and then open the program and fill the file path ...
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1answer
52 views

Will a netbook have sufficient specs for Ubuntu Touch development?

I'm interested in getting a cheap but good quality laptop to use among other things, for Ubuntu Touch development. I see the ASUS 1015E listed on the Ubuntu website, so I know it is compatible with ...
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20 views

How to fix Glade opening but closing quickly?

I'm using Quickly, and when I try to open Glade using quickly design, the window appears for a moment then closes right away. How can I fix this?
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22 views

program pgp encryption for cloud usage [duplicate]

I don't know if this is the right place for my question, idea. So let me know if not so. I use UbuntuOne. Where needed i encrypt all my stuff before i put it on the cloud. You never know who is ...
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0answers
17 views

how can I publish nightly builds / beta on ppa

I am distributing some of my software using PPA. However, I would like to use the same for nightly builds or development versions, so that beta testers can use aptitude to download latest testing ...
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37 views

QT4 IDE library

I am new to gaming code but I love the QT IDE. Qt does not have the libs. I want to use: OpenGL and Allegro. Is there a way to get these libs. in Qt or how do I use them?
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18 views

Accessing objects from main window from another dialog

I have created a dialog using quicky add dialog. This dialog contains buttons to load websites in the main window's webview. But I don't know how to access the webview contained in the main window. I ...
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21 views

Update Dependency Via Source

I have a library which is a dependency for the disgusting goliath that is ROS, and I need to update it to a newer version. I was hoping I could get some advice on what is the best approach: Compile ...
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1answer
32 views

sharing an ubuntu applications

I developed a c++ application depending on a few libraries (qt/boost/R). I would like to share it with a collegue in the easiest way. Our first attempt was simply to copy-paste the compiled binaries ...
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48 views

Install Quickly on XUbuntu

I installed Quickly on Xubuntu, used quickly create ubuntu-application testapp cd testapp and ran quickly run which showed me the application window. I ran quickly edit It worked after I ...
3
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1answer
99 views

Gtk3+ keyboard shortcuts without signal matching

I am in the process of creating my first Gtk3+ application using python, and I am quite frustrated with the lack of documentation :( Well, what I'm trying to do is to configure the Delete button to ...
2
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1answer
64 views

Text justification in gtk.MenuItem

I'm writing an appindicator python script for my Gnome panel (under Ubuntu 12.10, English as the system-wide language) with a gtk.Menu, containing MenuItem's with Hebrew labels. The text is correctly ...
0
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1answer
65 views

Using Quickly to build a web browser

I've taken my first crack at building apps for Ubuntu. I created a simple web browser using a video made by Jono Bacon. I was wondering if there is a list that I can download that has all of the ...
2
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1answer
36 views

How to write a 'hotcorners' script in Python?

I'm using Lubuntu 13.04, and a feature that I miss from Compiz is the hot-corners: it simply runs some command when the mouse cursor reaches a corner of the screen. So, I was thinking about writing a ...
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1answer
214 views

Set Window Icon to Gtk Stock Icon in PyGtk

I am trying to add a Gtk stock icon to my window. Here is the code: #! /usr/bin/python from gi.repository import Gtk class MyWindow(Gtk.Window): def __init__(self): ...
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24 views

UI designing question

I have started to develop and app for a touch screen panel running on a raspberry pi board. I am very new to the linux app developement platform and started UI designing using Quickly. I have a ...
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0answers
16 views

Is there a way to do Ubuntu Touch App Development on Windows?

Is there something to develop apps for Ubuntu Touch, but for Windows?
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1answer
42 views

Why isn't python featured?

The site says Python is the preferred language for new Ubuntu applications. Yet the sdk overview page features QML and HTML5 and presents apis only in those two languages. Where is the python sdk ...
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2answers
76 views

Can apps developed in the Ubuntu SDK be ported to Android?

I am getting interested in creating Mobile Apps and I was wondering, can an app created in the Ubuntu SDK be deployed to work on Android or even iOS? This isn't a huge deal, as I was using Eclipse to ...
3
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1answer
40 views

How do I submit a browser plugin to software center

We have an app divided in two parts, a browser plugin and the actual app. The plugin is used to start our desktop app. These are not open-source. We want to submit our app to the software center but ...
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0answers
18 views

How to add default icon in Qt widget application [duplicate]

I am trying to develop a simple qt app, I would like icon for the toolbar buttons, How can I standard icons for these toolbar buttons, new,open,close etc
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2answers
270 views

Auto switch workspaces

I have several monitoring applications that we would like to project using a projector in the IT area of our office. One of the apps is a Java application (so auto switching tabs in a browser will ...
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0answers
53 views

Limit bandwidth of application listening at tcp port for development

I set up an application server to listen at this port: tcp://0.0.0.0:3000 I enter this into chrome's url and can interface with my web app. Great. However, I want to be able to test the app for ...
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2answers
69 views

How to build Ubuntu Applications using java? [closed]

Actually I have done Core Java 3 years ago , and after that JSP(Java Server Pages), Springs, Hibernate .What I need is to know is how can I make ubuntu based application using Java , as this is the ...
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46 views

Developer.ubuntu.com: why my application is still in draft state?

I decided to upload my open source application to the ubuntu software center. Firstly, I have created PPA (https://launchpad.net/~source-code-analyzer/+archive/ppa). Then I : created application at ...
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1answer
35 views

gsettings-qt bug?

I have a problem using the gsettings-qt binding: https://launchpad.net/gsettings-qt Now I try to use it in my .qml import QtQuick 2.1 import QtQuick.Controls 1.1 import GSettings 1.0 import ...
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67 views

Ubuntu Slower than Debian on 512 MB RAM

So, I am using Ubuntu 12.04 LTS. My System Details are in the screenshot. My Ubuntu is very slow for me, I mean that when I try to open any application, it takes 3-4 seconds but Debian took 1 sec. ...
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1answer
48 views

Unity3d game packaging service

Please, I heard that Ubuntu provides service to package Unity3d games, is it still true and where can I find info about it? Thank you, Marek.
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0answers
88 views

Quickly app not working on raspberry pi

I started developing an app using quickly which will target a raspberry pi board. I have created a single screen so far which contains a few buttons and labels. I run this on the board by doing a ...
1
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2answers
62 views

Ubuntu Developer Video Tutorial

I am Visual Studio .net developer. I like to check out "Ubuntu Developer Video Tutorials" for programmer and I want to develop application like VB.net Desktop application(Standalone or Web). Is ...
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8 views

python example for app indicator does not work [duplicate]

Using Ubuntu 13.10, the python example for how to create an application-indicator does not work... (http://developer.ubuntu.com/resources/technologies/application-indicators/) Getting the following ...
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1answer
56 views

QtCreator doesn't let me create Ubuntu Touch apps!

I've gone through the instructions for installing the SDK found here: http://developer.ubuntu.com/apps/create/get-the-sdk/ using Xubuntu 12.04. Everything went well except, for some reason, QtCreator ...
2
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1answer
46 views

In-app paymnt methods

I'm interested in developing for Ubuntu (mostly phones) and I can't seem to find the guidelines on app publishing, will apps only work through the ubuntu software center, or can users download and ...
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2answers
99 views

How to Manage Wifi Clients in Ubuntu?

I'm looking for an application to manage clients who are connected to my Wifi. that application what I can see online clients, and can disconnect them after example 1 hour..is there any application to ...
3
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1answer
172 views

Qt creator does not work correctly after installing ubuntu sdk

I installed qt-sdk before installing ubuntu-sdk on ubuntu 12.04. When the Develop, Examples, or Tutorials link on the welcome page is clicked it creates inactive windows and cannot close it normally. ...
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0answers
28 views

Posting my first application to launchpad and installing it

I created a hello world application in C++ and I would like to post it to Launchpad (on my account) and then to install it adding the ppa add-apt .... I have two files in my application folder: ...
2
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0answers
316 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 ...
4
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1answer
109 views

Can `add-apt` be used for Github repos?

Can add-apt be used for Github repos? I know that this adds a ppa from launchpad: sudo add-apt-repository ppa:chris-lea/node.js I would like to use a Github repository instead of launchpad. Is ...
0
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1answer
58 views

Can't create a project

I installed the IDE, following the instructions on your website. Than I went on to: http://developer.ubuntu.com/apps/qml/tutorial/ The tutorial says: In Qt Creator, press Ctrl+N to create a new ...
5
votes
1answer
837 views

Are Qt Quick Controls available on Ubuntu 13.10?

I was looking to do UI development in QML, and I really want it to look native. I found the QtQuick.Controls (http://qt-project.org/doc/qt-5.1/qtquickcontrols/qtquickcontrols-index.html), but when I ...
4
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1answer
115 views

How backwards compatible will the Ubuntu SDK be?

First let me say, by SDK I'm not actually referring to QT Creator, but Ubuntu's QML libraries, I'm actually using Geany for all my programming. When Ubuntu very first released the Ubuntu SDK I ...
5
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1answer
102 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 ...
1
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1answer
165 views

How to list folder contents in Qml?

I'm trying to rewrite a part of the notes-app in order to store notes directly in the file system. But I'd like to be able to list files in a folder, not in order to display them, but to process them ...
1
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1answer
113 views

Where is the gtk# widget for windows forms in mono?

Ok, I downloaded mono to program in c#. The installation worked fine and I have mono up and running. The problem is, I can't find the toolbox that contains stuff like: ---- Common controls ...
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146 views

Porting a Unity Lens to Ubuntu 13.10

All in the title. I have a lens written in Python which used to work. Doesn't anymore on Saucy because it seems that everything changed. Is there a guide somewhere to help with porting ? J.F. Dockes
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1answer
58 views

How to share a folder using the Ubuntu One Web API

I have successfully implement OAuth Authorization with Ubuntu One in Django, Here are my views and models: https://gist.github.com/mariocesar/7102729 Right now, I can use the file_storage ubuntu ...