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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Software Center crashes. Please help! [duplicate]

There is a problem opening the Ubuntu Software Center, It pops up and seems to be loading and just crashes. Here is the output of running the command: software-center in the terminal: 2013-10-15 ...
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25 views

develop or contribute to ubuntu community

I'm a newbie to ubuntu development. I have developed many apps for windows. My college and school uses only windows. So, I'm very familiar with developing in windows. But, when i wanted to switch over ...
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0answers
37 views

Packages have unmet dependencies on Ubuntu sdk installation [duplicate]

The following packages have unmet dependencies: ubuntu-sdk : Depends: qtcreator but it is not going to be installed Depends: qtcreator-plugin-ubuntu but it is not going to be installed ...
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1answer
323 views

How install GTK+ 3 for Python [closed]

I'm start programming in Python and I want learn GTK+ 3. I'm using a Distro based on Ubuntu 12.04 (Elementary OS) and I'm having some troubles to install GTK+ 3 in Python. Okay, I will show you what ...
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1answer
52 views

Letting the users of my application select whether the app should start on login. Most cross-platform way to implement?

I want to let the users of my application control whether the application should run at every user log-in, lets say, by activating/deactivating a check-box within the app. (Dropbox does this for ...
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0answers
50 views

How to find out boot reason?

I need to know if machine was started by power button, reset, woken on LAN package or RTC Alarm. I've found that dmidecode --type system should show this info, but it doesn't. I need it there: ...
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1answer
504 views

IDE for Developing windows phone 8 applications in Ubuntu

I used to work with Ubuntu, and I don't want to switch back to Windows platform. I am participating in a code contest. In that contest, I need to create windows phone 8 apps. I need an IDE in Ubuntu ...
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1answer
71 views

Is there an 'offical' way to store data in uTouch-Apps?

through qml there are several ways to store data. Is there any 'offical' way to store data in Ubuntu-Touch?
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1answer
4k views

Can Ubuntu provide an IDE for C, C++ programming? [duplicate]

I am a beginner in the field of programming. I have tried to learn C and C++ on a Windows 7 computer using the Turbo C++ compiler, but faced frequent failures and finally my laptop's motherboard ...
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1answer
254 views

Gtk: Webkit WebView C++ (can't load url + awkward terminal output)

I am trying to include a webkit webview within my c++ application. My project uses Glade ui, and I embedded webview into a scrolled window. What I do not understand at all is this awkward output + ...
3
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0answers
86 views

Developing for Ubuntu tablet using Python [duplicate]

I want to start developing for the Ubuntu tablet, but I don't think that I can use python with the SDK. I heard that you can make games with Python in Blender and I wanted to know if there was a quick ...
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1answer
284 views

Extend existing QML Component from C++ plugin

First of all, I would like to say that I'm not very experienced in Qt, but I would like to include a new feature in existing QML WebView component to set a list of header values, included User Agent ...
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0answers
32 views

How to delete the licence key in order to add new one with a new format

I have 3 applicatons in the Store. However, my license key number format has been changed and I would like to delete all the unused keys in order to replace them... How can I manage this replacement? ...
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0answers
85 views

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 app. I don't know if i have permision to modify MPlayer, but since is open source... An ...
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0answers
27 views

simple frontend with qml (for n2n client) [duplicate]

I am trying to write a simple qml application being a n2n frontend of the client and following the tutorial. This application is first intended for the desktop, but if it can also be used as a phone ...
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1answer
59 views

Is there a way to attach a pygame window to glade window in quickly?

I am trying to develop a game so that when i press a button which is created using glade window i should be able to run the pygame window i have succeeded so far but the pygame window opens separately ...
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2answers
96 views

How do I get involved in Ubuntu?

I recently graduated from a H.Dip course in Software Development. I really want to get involved in some Ubuntu desktop development projects. I'm most competent in Java and also have MySQL knowledge. I ...
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1answer
69 views

Interacting with appindicator icon and menus from LDTP

I'm using LDTP Python API in order to test desktop applications under Ubuntu (Unity shell, Ubuntu 12.04). I can't find if there's any available way to interact with appindicator icon and menus using ...
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2answers
2k views

How to use a SQLite database from QML? [duplicate]

I have not been able to find a working example in QT creator or gallery to use SQLite offline storage API for an Ubuntu touch application.
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0answers
112 views

How to embed a new Window on GTK Quickly Glade

I'm doing a program with Quickly, but I'm something new .. In same way, I learned well enough to program an application. But I need the structure in glade, I mean ... are only two main windows ... the ...
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1answer
265 views

What about a Distro dedicated to engineers? [closed]

I am Raihan Ali. I am an civil engineering student. I am looking for a distro dedicated to engineers. I want a distro fully loaded with engineering tools. Is there any distro like this? Thanks in ...
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0answers
31 views

Guidelines for packaging web app

For a while now, I'm trying to build an Ubuntu package for PPA upload, and facing all sort of issues understanding bzr dh-make and such. The package is web application (php-based). Most packaging ...
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0answers
34 views

Where's My App?

My app has been successfully approved in the review process, and been published. However, I cant see it in the software center or the online ubuntu software center catalogue :( The app name is ...
2
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1answer
979 views

Compiling code that depends on QT4 with QT5 installed

I have QT5 installed on 12.10 I believe because it is a dependency for the Ubuntu SDK and the Ubuntu touch tools which I have been using. I have QT4 installed as well, infact I had it installed ...
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2answers
157 views

How To Use i18n.tr in Ubuntu Touch Projects

I have been using i18n.tr for a while in my Ubuntu-Touch projects. I know what this function is about but I don't know how to add a translation to my project. Where do I have to place my translation ...
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20 views

Translate an existing app

I want to translate an existing app for educational purposes from English into Dutch. Can I use this toolbox to do that? Regards Peter Vis
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3answers
1k views

How can i create and run visual basic projects and still run in windows

How can i create and run visual basic projects in ubuntu. After creating them in ubuntu would it be able to run in windows (visual studio). If there is a way then plz suggest me and software for it.
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32 views

How to get audio input from Ubuntu touch device?

How can I get the audio input in a simple touch ui app in ubuntu touch? Thanks in advance, Boaz
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1answer
98 views

How to raise user notifications in Ubuntu using java code?

How to raise user notifications in Ubuntu using Java code?
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1answer
78 views

Ubuntu packaging : why separate for 32-bit and 64-bit [duplicate]

Why we have to do separate packaging to applications for 32-bit and 64-bit Ubuntu Operating systems.I mean why some applications are making 32-bit and 64-bit separately and why some applications are ...
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1answer
86 views

publishing an app for ubuntu software center

I have a game I wish to publish for Ubuntu software center for free. Can I just zip all my files for submission, or do I need to create a .deb package first before submitting?
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1answer
90 views

How to make ubuntu realize application type?

I made a text editor for Ubuntu in Java, and now I want to upload it on the Ubuntu Software Center but I have ran into a problem, how will Ubuntu recognize that my application is an editor once people ...
2
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0answers
136 views

My postinst script launches a service successfully but apt-get apparently shuts it down. Why?

I have this package with a postinst script that launches a service as its last step. Something like: #!/bin/sh set -e . /usr/share/debconf/confmodule [...] case "$1" in configure) [...] ...
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144 views

QML: TextArea within the listItem elemtn on listview does not have scroll bar and text area contents are lost

I am having a TextArea within the listItem element and I have fixed the TextArea height. When the listview is displayed, TextArea within each row, does not have a scroll. Hence TextArea shows ...
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1answer
73 views

Making an app for Ubuntu Software Centre [duplicate]

I would love to make apps and publish them on the Ubuntu Software Centre. After following the instructions on the developer centre, I built an app and published it. Now I have realised I have built an ...
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0answers
81 views

Eclipse CDT: OR32-elf.gcc not found in path

I am using Ubuntu 13.04 and I am not able to compile projects on Eclipse CDT. It gives error saying no rule to make target, makefile properties not found and also or32-elf.gcc not found in PATH I ...
6
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1answer
3k views

How do I view or install Ubuntu Touch apps?

Lots of people have started developing Ubuntu Touch apps for the Ubuntu App Showdown and just in general, and have published them in the Click App Store. What is the Click App Store, and how do I ...
3
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1answer
142 views

WebSQL and other databases not working with HTML5 apps

I am trying to develop an app for Ubuntu Touch using HTML5 and I need to create a database to store, well, everything in it. But QtWebKit supports neither WebSQL nor IndexedDB. Is there any workaround ...
3
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1answer
442 views

Why is my Ubuntu Touch app not visible in the Ubuntu Software Center?

I submitted a Ubuntu Touch app packaged as a Click package to the Click App Store and it was published a few days ago. It is not in my Ubuntu Software Center, or in the online version. I tried a lot ...
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0answers
33 views

Some QLabel are not getting translated when app is run in other language ?

I am running kde app kstars on my kubuntu 13.04 system from terminal using following command KDE_LANG=fr ./kstars Some labels file from http://paste.kde.org/p6e42cd0d/ are not getting translated ...
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0answers
156 views

How to access geolocation information on Ubuntu Touch?

It's strangely hard to find any documentation on accessing geolocation information for Ubuntu Touch specifically and even Qt5 more generally. The Qt Mobility APIs provided this in Qt4, and they seem ...
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0answers
77 views

Qt Creator has disabled Build -> Run command

Today I've installed Ubuntu SDK by following installation step on Ubuntu developer site. After that I created a new Ubuntu > Simple Touch UI project. Project creation was successful, but when I tried ...
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1answer
285 views

Where do I submit applications written for Ubuntu Touch?

I've written an application for Ubuntu Touch using the Ubuntu SDK and have packaged it as a click package. Where do I go to submit it to the App Store to make it available for installation in Ubuntu ...
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1answer
119 views

What is the naming convention for click packages?

I have made a Ubuntu Touch app and intend to upload it to the Click app store. What is the naming convention that I should use for naming my click package?
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1answer
139 views

When will my application be reviewed?

I submitted an app to the Ubuntu Software Centre through my apps on developer.ubuntu.com yesterday. Will my app ever be reviewed or is my apps no longer used? My app is free and I packaged it myself ...
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0answers
264 views

Can I write android and iOS apps using ubuntu?

I want to write a simple app that can control a computer connected to a projector. I want to be able change a projector color using my phone android phone app. Can you write an app for an andoid ...
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2answers
684 views

QT code for U Touch returns `qmlscene: cannot find qt installation of ''`

I'm trying to start developing for Ubuntu and Ubuntu phone, but I get an error: qmlscene: cannot find qt installation of '' when I attempt to run my application in Ubuntu from the command line. I'm ...
0
votes
1answer
505 views

Listmodel in QML: How to retain Listmodel values on page switch in page stack

I have an XML file to show list of items(listview), on click of each item i am switching to page which reads the XMLListmodel for each category using pagestack.push. After pressing back and again ...
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25 views

How to develop Ubuntu apps (2013 edition) [duplicate]

I know this question has come up before, but the answers can quickly go out of date. No pun intended. ;) Previously, it was the "quickly" tool to build apps. Now, developer.ubuntu.com points you to ...
2
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1answer
94 views

Is it possible to develop an app for Ubuntu with C (not C++)?

I just want to know if i can write GUI apps for Ubuntu using C--again, not C++. It's just that I hate having to learn a new language entirely (I know that they are similar in some ways but still). ...