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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1answer
99 views

Ubuntu SDK installation error on Ubuntu 13.10

I followed the instructions from http://developer.ubuntu.com/apps/create/get-the-sdk/. But the installation failed with the following message at the end: The following packages have unmet ...
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0answers
44 views

Cannot install Ubuntu SDK [duplicate]

I get the following error in terminal while installing the SDK W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not ...
0
votes
1answer
38 views

Weight of the commentaries in the source code [closed]

When I search for source-code of Linux parts (applications, kernels, ...), I often find commentaries to clarify the code. Now, I know that those commentaries are useful to help a human reading the ...
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0answers
40 views

How to use ANT+ radio in Ubuntu Touch?

As the Google Nexus devices tend to all have ANT+ radios in them now, and Ubuntu Touch currently targets these devices primarily, is there a way to access the ANT+ radio and connect and communicate ...
0
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0answers
72 views

Specifying Python Distribution in Ubuntu 13.10 (for Continuum Anaconda Python)

I've been trying to install Python on my Ubuntu 13.10 VM. Ubuntu already comes with Python, and when I remove it with apt a lot of other apps get removed. I have installed Continuum's Anaconda ...
1
vote
1answer
80 views

Multi-threading in Gtk python [closed]

I'm trying to display a GUI and do some work in the background.when the window is current window, GUI runs normally. Long after minimizing the window, GUI will freeze. The following code is created ...
2
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0answers
20 views

Touch SDK Expansion

In the Ubuntu Touch SDK description http://design.ubuntu.com/apps/building-blocks/expansion there is an UI element which is mentioned, namely the Expansion. From the description I don't really ...
2
votes
2answers
312 views

Why is Python V3.3 installed by default on Xubuntu 13.10?

I am running Xubuntu 13.10, 64 bit. python --version outputs Python 2.7.5+ which is normal since python 2.7 is installed by default on all Linux distros. But when I go to Software center -> and ...
2
votes
3answers
89 views

I have ideas for apps for Ubuntu.

How do I submit ideas for apps? I am not a programmer
0
votes
1answer
59 views

install ubuntu sdk error

I have this error: W: Failed to fetch cdrom://Ubuntu 12.04.3 LTS _Precise Pangolin_ - Release amd64 (20130820.1)/dists/precise/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM ...
1
vote
1answer
74 views

“sudoing” strategy for python script on ubuntu

I'm creating a small router program (GTK frontend) in python for some of our less CLI savvy users. I've developed the glade front-end and able to connect the various signals. Now, I'm facing only one ...
2
votes
1answer
91 views

Get source code for copy/paste [closed]

Every operation performed by operating system have a source code. So for coping operation there should be source code. So I need a file's name having source code for copy operation.So I can add some ...
1
vote
1answer
73 views

How do I add Webkit webview to the Ubuntu SDK?

I'm trying to do this tutorial for learning and it seems that I have to keep adding things for it to go smoothly. http://developer.ubuntu.com/apps/html-5/tutorial/ I don't have the "rss-sample.qml" ...
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0answers
27 views

How can I export a .ui file for a pygi window that I build dynamically?

I understand that building things with the MVC mindset is a good thing. I also understand that if you separate code maintenance and UI, that Glade UI files make it easier for non-programming people ...
1
vote
1answer
84 views

How can I create Unity dash integration for my Python script?

I have written an awesome script in Python and I seriously think it should help many rookie Ubuntu users out there -- especially for a quick solution/tip. My script searches through AskUbuntu.com and ...
3
votes
0answers
31 views

High-level library for Unity Dash?

I've wanted to write a GTK+ version of Unity Dash for some time. I think it could be useful for Xfce, Gnome Flashback, elementaryOS, etc. Before I start doing anything about it, I'd like to know if ...
0
votes
1answer
94 views

Simple GUI to display static text informations

I would like to know if there is a way to write or modify a simple program (I don't really care what language it'll use) that can be launched in GUI mode and will display formated text and URL that ...
0
votes
2answers
71 views

How to build gtkparasite

i'm not able to build gtkparasite when i run: ./autogen.sh i'm get this error checking for GTK... no configure: error: Package requirements (gtk+-3.0 >= 3.10.0 gtksourceview-3.0) were not met: ...
0
votes
0answers
24 views

Ubuntu Touch - .ogg Files don't transfer to device

I was making a sample app to handle .ogg files in QT Creator. Everything worked fine on the computer, and when I chose the option to "Run application on device" everything worked perfectly. But when ...
1
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0answers
55 views

Ubuntu Touch - Multiple App Windows

I'm learning how to make Ubuntu Touch OS applications, and I looked all over the web for something, but didn't find any satisfying results. This is either because I am the first to ask this question, ...
1
vote
2answers
272 views

Why doesn't `exec startx` work in 13.10?

I am used to being able to launch a second X session in TTY8 with exec startx but instead I'm getting an error: X: user not authorized to run the X server, aborting. And then in TTY 8 I end up with ...
1
vote
0answers
33 views

Problems with GTK

I started working on a project where I need to make a simple interface with C language using GTK, then I need to connect that interface with Linux system, I started working with "Glade" witch is an ...
0
votes
0answers
50 views

Quickly Error “can´t create or update ubuntu package”

Try to build a gmail view app for my owm but by creating a package i get this error. How to fix jeffrey@Chuhundra:~/gmail$ quickly package ...................... Command returned some WARNINGS: ...
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votes
1answer
34 views

Publication Lazarus project in Ubuntu Software Center [duplicate]

Can I publish desktop application has developed in Lazarus IDE in Ubuntu Software Center?
1
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1answer
89 views

Unable to install ubuntu sdk

While installing sudo apt-get install ubuntu-sdk, I am facing this The following packages have unmet dependencies: ubuntu-sdk : Depends: qtcreator-plugin-ubuntu-cordova but it is not going to be ...
1
vote
0answers
31 views

Using in game ads [closed]

Hi guys just a simple question, I made a game and would like to publish it to Ubuntu App Store, but I am not charging for the game and would like to make some profit, am I allowed to use in game ...
0
votes
1answer
26 views

where do I get the Eclipse CDT

I have Ubuntu 13.10 and Eclipse 3.8 from the Ubuntu Software Center. Where do I get a compatible Eclipse CDT? I went to the Eclipse web site, but it did not seem to provide a CDT for Eclpise 3.8. ...
0
votes
0answers
26 views

can I use Ubuntu 12.04 installed PC like a hosting server for develelopment testing? [duplicate]

Please note that i already have lamp stack and able to run php script in this system. Read the question carefully before answering or marking as duplicate......... I am a novice user in server ...
2
votes
1answer
40 views

How can I develop for Ubuntu Touch on Windows?

I am working in a windows environment and need to develop applications in ubuntu. what is the best approach?
3
votes
2answers
225 views

Where can i find the Ubuntu-touch 14.04 changelogs

I am trying to find the changelogs for the Ubuntu touch 14.04 dailys builds. Please advise. Thanks!
1
vote
1answer
48 views

Open file on already open application [duplicate]

I use VLC to open my video files, but every time I double click on a video a new instance of VLC is created. I want that when a VLC is already open, then the new video file should open in that ...
1
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0answers
39 views

Is signal handling in QtQuick asynchronous? [closed]

I have the following QML document: Item { id: item MouseArea { onClicked: { /* emit signal */ item.someSignal(); } } ... } When I click the item, ...
3
votes
1answer
43 views

C++ running on ubuntu touch?

Is it possible to run code written in a language like C++, C, C# ect. on ubuntu touch?
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votes
1answer
861 views

Ubuntu sdk not getting installed 12.04

First I used the compound command given here but it gave some errors so I executed each command separately that I may be able to figure out the where is the error. Adding repository and updating was ...
4
votes
1answer
121 views

How to insert Video element in my Ubuntu application?

I saw on some sites that you can insert videos with the Video element by importing Qt 4.7 and QtMultimediaKit 1.1 . But I have an error by compiling the project (it's a tabbed touch UI project): ...
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0answers
31 views

QML Ubuntu SDK : How to insert Video element [duplicate]

Hello everybody! I am learning Qml and using the Ubuntu SDK tool in addition to QML elements. I saw on some sites that you can insert videos with the Video element by importing Qt 4.7 and ...
1
vote
1answer
24 views

How to get help and to help with development of software

I am wanting to get some help with a project, and would love to help others. Maybe be on a developer team even. I have looked at the different Ubuntu sites. What site is the better of the sites? Also ...
-4
votes
1answer
58 views

Looking to leave XP SP3 IE8 for Ubuntu [closed]

I am a newbie, so I don't know what results I if any I will get. I have been checking out Ubuntu 9 or some number like that on a flash drive, and it seems like open source software and Ubuntu is the ...
4
votes
2answers
252 views

Where I can check the roadmap/vision development for any Ubuntu application?

Ubuntu Software Center is supposed to replace several utilities provided by other piece of software as can be seen in the rationale, but I can't find equivalent functionality in Ubuntu Software ...
1
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0answers
18 views

How do i cam migrate vb apps to QML

I have lots of vb tools, activeX controls and full apps developed in the last 15 years. Now, I'm writting apps using python, and php. And I'm thinking on migrating my software to open platforms. I'd ...
1
vote
1answer
36 views

Packaging non-SDK app as click?

I have a program that I created using Free Pascal Lazarus, and I would like to share it in Ubuntu, but how do I pack it with .click? I have read this ...
0
votes
2answers
50 views

qml file and app.js not found

I am a newbie in ubuntu app development. I am going through the tutorials in developer.ubuntu.com. The thing is when I created a sample ubuntu-htmui project, no .qml file is being created as explained ...
0
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0answers
185 views

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 ...
0
votes
0answers
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?
0
votes
0answers
134 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 ...
1
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0answers
147 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 ...
3
votes
1answer
50 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 ...
0
votes
1answer
47 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 ...
0
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0answers
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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0answers
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 ...