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
votes
1answer
821 views

How to get a proxy for DBus object that is not well known?

I'm endeavouring to use dbus to react to a particular signal (user clicks on an appindicator menu on the unity top panel). From using dbus-monitor, I've found the relevant signal that I'd like to ...
2
votes
1answer
70 views

Is it possible to develop Ubuntu Application using java

I am a Java Developer & want to develop application for Ubuntu. I also visited developer.ubuntu.com site and successfully installed Ubuntu SDK and Editor but it is on Unity code and HTML views. I ...
2
votes
0answers
43 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 ...
2
votes
1answer
891 views

Problem with QtCreator after update

I installed the ubuntu-sdk 2 days back on my machine (12.04) and the Qt version that is installed is 5.0.2. Everything was working perfectly, but today there were some updates from the ...
2
votes
2answers
1k views

Ubuntu Touch app with c++ core and QML interface. How to create?

How to create Ubuntu Touch application with c++ core? In examples I see only pure QML apps.
2
votes
1answer
2k views

Will developers be able to use ruby or python for apps on ubuntu mobile? [duplicate]

Will we be able to use python, ruby or other languages to develop apps for Ubuntu tablets and phones?
2
votes
1answer
144 views

Quickly, setup.py, long_description - how to make them generate a multi-paragraph description in the debian control file? [duplicate]

Possible Duplicate: How to define multiline long_description in quickly's setup.py? How can I make Quickly convert the long_description in setup.py into several paragraphs in the debian ...
2
votes
1answer
127 views

“No gpg key set matching launchpad one found” when uploading app using Quickly

I`m trying to upload my app using quickly, but usually getting this error: No gpg key set matching launchpad one found How to solve this problem?
2
votes
2answers
480 views

Quit application on Ctrl+C in Quickly framework

I found that when I run my application using "quickly run" and press Ctrl+c to kill it, the application does not quit. I am using Quickly 12.04. For GTK2 applications, I used def ...
2
votes
4answers
148 views

“No Launchpad project set” - Quickly

I want to get a project on Launchpad using Quickly, but if I run quickly submitubuntu it just tells me that No Launchpad project set, leave blank to abort.. If I enter the name of my project he tells ...
2
votes
2answers
90 views

I can't submit my app to The Ubuntu App Showdown

please, give me some help: 1. The version of my Quickly is 0.4.3. Can I use this version or I must to renew it? How can I do this? 2. When I am using dput utility to submit it says that there are no ...
2
votes
2answers
860 views

When should .mo files be generated?

I am creating a python GTK3 program. I'll like to add translation support. I know how to create a .pot and .po file. However in order to make the application available in multiple languages, I need to ...
2
votes
1answer
160 views

unity components debugging

Following up on my question here, I would like to ask about best-practices for debugging additions to the unity components. Integrating apps into unity requires many components: service files, ...
2
votes
2answers
1k views

Open Custom Dialog Windows (PyGTK + Quickly)

I have just downloaded Quickly, created a new project, set up simple GUI and created new dialog (quickly add dialog create (as you can see, I called it create)). I already have click handler in the ...
2
votes
0answers
146 views

How can I create an appmenu/DBusmenu using python? [duplicate]

Possible Duplicate: How to add support for the global menu to a python non-gtk, non-qt app? I want to add support for the indicator-appmenu to an application that is not written in one of ...
2
votes
2answers
515 views

Ubuntu one API file upload maximum size

I'm making an application using UbunuOne REST API in order to upload files to the Ubuntu storage service. file storage API I can achieve uploading some files, but when I try to upload a large file ...
2
votes
1answer
955 views

How to use application indicator for KDE application?

How can I use libappindicator to create an application indicator for a KDE app in C++ without using GTK? The example shown here uses GTK to create the menu. Is this necessary? Is there a KDE ...
1
vote
1answer
181 views

Why am I getting the error “Cannot assign to non-existent property ”head"?

I'm actually on Trusty, and I want to try new "head" property which comes with API 14.10 of Ubuntu SDK. When I launch qmlscene to test my applicaton, I get this error : Cannot assign to ...
1
vote
1answer
20 views

Why do I get “Value of Key 'Comment' is empty” in my app review?

I uploaded a Ubuntu SDK app for review on https://myapps.developer.ubuntu.com and the review is pending, because there are errors. One is the following: "desktop_validates (iamonair)": { "link": ...
1
vote
1answer
151 views

QML what to use to store int numbers TextInput or TextField

What is good to use on a Ubuntu Phone app that needs 25 variables to get input that are int numbers. Text fields or text input. Right now I'm using text inputs to create the 25 ids that I'm going to ...
1
vote
1answer
178 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?
1
vote
0answers
130 views

Deploy app on OpenStack deployed locally on single machine

I have deployed OpenStack using DevStack on single Ubuntu 12.04 machine running all services. I actually have to develop a Private Cloud Document Management System Now, I want to know that how do I ...
1
vote
1answer
832 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 ...
1
vote
1answer
52 views

How can I pin the toolbar so that it remains revealed?

An always-revealed toolbar would be more suitable for a pointer-driven interface. How, using the Ubuntu SDK, can I set the toolbar to be (and remain) revealed?
1
vote
1answer
2k views

Which scopes are available in the default Ubuntu installation?

After I've installed Ubuntu, which scopes are readily available to return results from the Dash?
1
vote
1answer
415 views

How can I get a list of all apps in the Ubuntu Software Center?

I´am playing with Software Center's API, after seeing this post on askubuntu. My question is: how can I get a list of all Ubuntu Software Center's apps? From the other question I get this endpoint ...
1
vote
1answer
464 views

How to simulate a USB plug?

I have an app that implements some automations when an USB key is plugged. While developing, I have to test it in a specific environment (derivative from Debian Squeeze). The app subscribe to HAL ...
1
vote
0answers
39 views

Debuild does not recognise some files [duplicate]

Possible Duplicate: Why does 'quickly package' fail with “An error has occurred when creating debian packaging”? I have submitted an app for the Ubuntu App Showdown and ...
1
vote
2answers
173 views

How to use gsettings from /opt

I have to use gsettings from /opt so that ubuntu maintainers will accept my application. I may not use /usr or any of the underlying directories so /usr/share/glib-2.0/schemas is not an option.
1
vote
1answer
88 views

Set up apt-get remove commands in deb file (dh_make)

So, I'm trying to package my Python app, Virtuam. My question is simple: how can I set the commands which run when I remove the program using apt-get?
1
vote
1answer
3k views

How to change GtkWidget background in GTK3?

I'm trying to use override_background_color on some GTK3 widgets but they still showing up with the default background color.
1
vote
1answer
94 views

What are the different application directories in a quickly ubuntu-application template for?

When you create a new ubuntu-application with quickly you will notice that it creates a directory structure like this: MyApp/ setup.py bin/ help/ tests/ setup.py MyApp/ MyApp_lib/ What are each ...
1
vote
1answer
66 views

Is a port of an existing program eligible for the App Showdown?

For example, the original program is Xlib based, and I port it to GTK3. What about porting my old gtk2-based app to gtk3? Are either of these two eligible for entrance into the App Showdown?
1
vote
8answers
528 views

Can I make apps for ubuntu using a Windows PC?

I develop windows software . Does anyone know? how I can make application/software for *buntu using a windows pc?
1
vote
1answer
4k views

Why is /dev/rfcomm0 giving PySerial problems?

I am connecting my Ubuntu box to a wireless readout setup over Bluetooth. I wrote a Python script to send the serial information through /dev/rfcomm0. The script connects fine and works for a few ...
0
votes
2answers
405 views

How to call Qt or local function from Ubuntu HTML5 App?

I have create a HTML5 App from Ubuntu SDK. It contains a index.html and js directory. Next I add "X" label on the html file like this: <head> ... <style type="text/css"> ...
0
votes
2answers
1k 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
2answers
151 views

What in Quickly creates an empty …/share/gnome/help/…/C/figures/ folder?

Something in packaging scripts creates an empty figures folder where it's not present before this packaging. Where is it?
0
votes
2answers
271 views

Do you need sudo rights to shutdown on Ubuntu?

I am looking to migrate a Snoozer application I originally wrote in windows on AutoIt, which when it comes down to it is a Shutdown Snoozer. I list faling asleep to a movie or show, but I wake up if ...
0
votes
1answer
87 views

Removing my app from Ubuntu's PPA [closed]

As I've sent my app to Ubuntu's PPA using quickly submitubuntu and its version was wrong (12.07... right is 0.1!) Details of the app: Virtuam 0.1 Developed with Quickly (Python/GTK+3) Uploaded (as ...
0
votes
1answer
254 views

Quickly: how do I return entered data into parent window?

at last I started a simple project (you tube video downloader) in quickly , But got stucked . I added youtube url entry dialog using quickly add dialog command and ;linked it to new button . How ...
0
votes
1answer
85 views

Can I submit an application started one year ago to the Ubuntu App Showdown?

I started developing an application one year ago. I published it in SourceForge and it runs in Ubuntu, but I did not send it to the Software Centre. May I send it to the Ubuntu App Showdown contest?
0
votes
1answer
149 views

Import “prompts” in quickly (Simple Player tutorial)

I am following this tutorial on quickly. At one point I have to write from quickly import prompts in the file called SimplePlayerWindow.py. But when I do that and run my application, I get the ...
0
votes
1answer
113 views

some questions related to ubuntu app showdown

I have some questions about ubuntu appshowdown My questions: Can i submit more than one app in the contest and tell me more about this suppose i submit 5 apps out of which one is won then will it ...
0
votes
1answer
57 views

Quickly, syntax error: media_grid.show()

i run the app and get this error. the little arrow points to the 'd', dont know what that means. plus i had the same error just before but on this line: from quickly.widgets.dictionary grid import ...