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
33 views

To run a dialog box as a result of clicking a button in quickly using python

I am developing an application that has various buttons such as addition, multiplication and so on.. now when I click on addition button I want a dialog box to be displayed that has labels n text ...
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1answer
33 views

QML: QChar Booleans are undefined

function myFunction(x) { console.log(x.isLetter) } myFunction("s") When I run this in a .qml file, it tells me that "isLetter" is undefined. Why? ...
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1answer
35 views

Can I use GTK+ stock icons in a free closed source business application?

If so, have I to indicate anything in license (classical "About" window)?
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2answers
100 views

How to change window opacity dynamically in Python and Quickly?

The app is written in HTML and is running using webkit and Quickly. The opacity can be changed using Glade. I want to add a slider functionality in HTML which will change the title of the HTML ...
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1answer
37 views

How can I access an attribute of the selected option in an OptionSelector?

I have an OptionSelector that delegates to an OptionSelectorDelegate, and has a ListModel for the model. How should I access the "sometext" attribute of the ListElements? OptionSelector { id: ...
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1answer
87 views

ubuntu sdk html5 applicaitons miss some basic effcts of normal html in web browsers!

I download and install the newest ubuntu sdk (1.097~sdkppa~saucy1~test9) in Ubuntu 13.10. I just create a native app with Ubuntu HTML5 APIs, but find that it miss some basic effects/behaviors of ...
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1answer
512 views

Get Qt WebKit HTML Content in QML

My application is built with QML (Ubuntu SDK), and I need to get the HTML content from a page loaded with a Qt WebView after the page is loaded. Based on some initial research, it would appear that ...
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1answer
16 views

How to edit description of a software using Quickly?

By default descriptions of all new Quickly apps are "UNKNOWN" in the debian/control file. Changing that and releasing a new version does not work (It gets reverted). How to edit the descriptions?
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1answer
6 views

What does desktop_Comment_boilerplate mean?

I'm uploading a click package and it's being sent back with the following message: desktop_Comment_boilerplate What does it mean and how do I fix it?
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1answer
80 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 ...
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1answer
129 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 ...
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1answer
109 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 ...
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2answers
130 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 ...
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1answer
62 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 ...
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3answers
86 views

Software Developer [closed]

i am a software developer and want to try out ubuntu. My question is: which distribution of ubuntu do you prefer, if you want to write source code in C++/OpenGL or Java/Javascipt ? Thanks to your ...
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1answer
118 views

How to create 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 application. I don't know if I have permission to modify MPlayer, but since is open ...
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1answer
298 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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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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2answers
904 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 ...
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2answers
2k views

I get a error “IndentationError: unindent does not match any outer indentation level”

I get this error: Traceback (most recent call last): File "bin/mybrowser", line 32, in <module> import mybrowser File "/home/shaunyo/mybrowser/mybrowser/__init__.py", line 14, in ...
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1answer
61 views

How long does it take for a proprietary software to get reviewed to Ubuntu

My application is just a .py file that has a GUI. I tarred it and uploaded it to Myapps under proprietary license ($0.0) as I have no idea about packaging. The source code is available at Github. It ...
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1answer
48 views

Programmatically Present Windows (Invoke Window Picker) in Compiz

Is there a bash command to invoke what Super+W does in Ubuntu?
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1answer
114 views

Issue with dynamic Quicklist in Unity

I would like to add a Quicklist to Gufw app, but it isn't working. The code is here (you can install reading the INSTALL file): http://bazaar.launchpad.net/~gufw-developers/gui-ufw/testing/files/3 I ...
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1answer
103 views

Ubuntu/Qt Application

In Qt Creator: Is the 'Qt GUI Application' completely different from 'Ubuntu touch GUI Application'? Does Ubuntu App Developer community accept 'Qt GUI Application' developed on Ubuntu platform?
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1answer
124 views

Ubuntu on Tablets: Installing Software without the Store?

When Ubuntu is run on a tablet, will it be possible to install software directly, i.e. without going through your store or will installation of third party be locked down to the store like with Apples ...
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1answer
155 views

Problem with Quickly text input field

The Problem I am using Quickly to try the mybrowser demo from the Ubuntu Website. Everything goes well until I add a simple text field (for URL entry) in Glade, then, no warnings are issued but the ...
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1answer
249 views

Can I create an app for the Ubuntu Touch platform using PyQt?

Will I be able to create an app for the Ubuntu Touch platform targeted at phones and tablets using PyQt? What are the options for writing apps for Ubuntu Touch using Python? Thanks.
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1answer
51 views

How can I add a pip based dependency to a Quickly project?

There is a great topic here about dependencies from ubuntu repositories. But my app depends on python package, which has to be install with sudo pip install package. Can I add this kind of dependency ...
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1answer
240 views

Ubuntu Touch SDK problems

I have installed the Ubuntu touch SDK the way it is advised on the Ubuntu dev website (with sudo apt-get install ubuntu). I'm using Ubuntu 13.04. The problems/symptoms are the following : When I ...
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1answer
58 views

Glade GUI in Python 2.7 crashes

I created a simple program using a glade .xml file and it, whenever I run the program, it crashes! Here's the Python code: #!/usr/bin/env python import pygtk pygtk.require("2.0") import gtk class ...
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1answer
166 views

how do you add a home button and tabs to custom written web browser in ubuntu

how do you code in a home button for a web browser? im creating a web browser in ubuntu for use in ubuntu. I am using a mix of Glade, Python, quickly, WebKit and WebView i have got nearly ...
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1answer
132 views

How do you get the website title to show up in the menu area / webpage title are in python / quickly created web browser?

hi there im creating a web browser using a mix of quickly and Python, im wanting to get a websites title to show up in the very top of the page. im not sure of what code that i need adding to the ...
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2answers
256 views

How to display popup dialog after app start?

If i use the PopupUtils.open() command in the Component.onCompleted property of the any item it does nothing, example: Rectangle { id: rect height: 600 width: height ...
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1answer
34 views

No items displayed in list in tab

I'm developing an app for ubuntu touch and I have tabs there. In one of them there is a list. if I have this it don't show me any of items. Tab { objectName: "Tab3" title: ...
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1answer
64 views

Can I develop applications for the Ubuntu Software Center using KDE?

I am interested in making an application to sell in the Ubuntu Software Center. Can I do this using the KDE frameworks and C++ or any other KDE-compatible language instead of Gtk and Python? I am not ...
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1answer
62 views

How can I prevent my main application window getting black?

I have made an ubuntu app using Quickly in Ubuntu12.04.In that app's main window there are several buttons.Clicking some of them opens new windows of other applications(like, ...
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1answer
48 views

Source package: precise build dependencies policy for Software Centre

I was seeking for a detailed specification of what's allowed as build dependencies for sources packages to be published in the Software Centre. I found Ubuntu Policy Manual — Chapter 4 - Source ...
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2answers
1k views

Mobile app development issues with qmlviewer not being found?

I am trying to follow the Mobile app development tutorial found here. When I try to run the currency converter in QT Creator I get this error: Starting external tool '/usr/bin/qmlviewer' '' ...
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1answer
326 views

Cant download qt-components-ubuntu on my machine [duplicate]

Possible Duplicate: How do I install the QML toolkit on 12.04? I was trying to get some hands on ubuntu mobile app development and followed the instructions of downloading the qt5-beta. But ...
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2answers
145 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?
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1answer
74 views

I cannot find my app in ubuntu software center [closed]

Just now I published my app in ubuntu software center and the status got changed from "Ready To Publish" to "Published" and a mail has also come stating that my app has successfully been published. ...
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1answer
72 views

Ubuntu app stores and 32 and 64 bits apps

Is there any tutorial to submit applications in multiple architectures ? if only one architecture is submitted, I guess 64 bits is recommended today ? (do we have stats on how many users use 32 vs ...
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1answer
166 views

PyGTK Time Date management in the loop

I am trying to build a Shutdown Snoozer for Ubuntu, but I am still struggeling with Python in general. PyGTK is even based, and I don't quite know how to do the time / date management because of ...
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1answer
57 views

Has some queries in Python [closed]

Has some queries in Python 1) Is Python language is easy or difficult 2) What are the tools required for the Python programming
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1answer
321 views

How to override some key bindings using Quickly

I am developing a native application for Ubuntu using quickly. How can I disable few key bindings such as prevent Ctrl + F4 from closing the window, and other key combinations?
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3answers
52 views

How is it decided/defined as to which file of an app will reside where? [duplicate]

most of the apps have their executables in /usr/bin and other files also in the generally defines folders.. But i found some apps keep their executeables elsewhere...Now as in linux any file can be ...
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2answers
328 views

Apply primary-toolbar background behind GtkEntry widget with GTK3

In PyGI (GTK3), how can I make a GtkEntry widget appear against the same background applied (by the user's theme) to the primary toolbar. I tried adding the same style class like this: ...
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1answer
50 views

Change “get help” and “translate this app” quickly

If have created an app with quickly with the name "Vault"...but in launchpad the name was already taken for a branch i used "vault-encfs" because its a gui for encfs... now i have a problem with the ...
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1answer
1k views

Stuck with “Launching new emulator”

I'm a windows user and I decided to use ubuntu 12.04 for developing android apps I googled instruction for installing sdk and jdk.. i follow every steps.. and i've create a test application "Hello ...
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1answer
58 views

Dash doesn't close on click after creating lens with Quickly, what's wrong?

I've used Quickly to create a lens that interacts with another program when that program is executed, using the following function: def handle_uri(self, scope, uri): os.system(uri) But the ...