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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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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101 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
153 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
239 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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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
239 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
56 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
160 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
131 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
243 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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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
61 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
324 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
144 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
71 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
160 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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315 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
325 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 ...
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1answer
2k views

How to select or deselect radio button in python / glade

As in topic, how can I select or deselect radio buttons in python. The application is made by quickly. any help pleas ?
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1answer
136 views

window creation issue Python Gtk via Quickly

I'm currently learning python and GTK so please forgive the noobish question, I have a program (created in quickly) that has two main windows, that is to say that depending on context one or the ...
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1answer
133 views

How to configure quickly with java?

I want to use java instead of python in quickly. Is this possible? I actually don't know much python and so I have chosen java as my language for making a software.
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1answer
133 views

Problem with Gtk.Image

i am having a problem with a Gtk.Image. I use the set_from_file() function to add the image to the Gtk.Image but the image is not displayed! Instead the broken icon is... The image exist and i can ...
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1answer
197 views

Documentation for quickly widgets?

I tried to use the quickly.widgets.text_editor class in a quickly project just now (as in one of the highlighted quickly tutorials) and got an import error. When I tried to inspect the quickly.widgets ...
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1answer
98 views

How to prevent the handle of a GtkPaned from being moved

How can I prevent the handle of a GtkPaned from being moved? For instance, I want to lock it according to the status of a GtkToggleButton.
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1answer
40 views

Can I submit a ruby gem I'm working on for ubuntu app showdown?

I've been working on a ruby project, can I submit this for app showdown? Basically its a sinatra app, runs a site on localhost, which plays songs in browser
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2answers
63 views

Path for source files

Where should I add source files for my program? I created a folder /data/src and put the files there. In my Python code I tried to point with os.getcwd() to it. This works for quickly run but if I ...
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1answer
124 views

How to pipe html to gedit with format/spacing?

Is there a way to pipe html to gedit witout losing the spacing. I am trying with: echo "'+html5template+'" | gedit The output is like this: <!DOCTYPE ...
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1answer
58 views

What's up with the libqtrpc2-1 / rds package in the archives?

I am considering using libqtrpc2-1 in my application but there seems to be some confusion over the name of the package. On the right-hand side of the package page, we see: So it looks like the ...
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2answers
2k views

Python - access variable in another class

I have 1 main window and 1 dialog. Now I need to access variable in main window from dialog. For example in java we have 2 classes: demo and myclass In my class I have following code: public ...
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1answer
163 views

How do I programatically edit label widget in the runtime

How do I programatically edit label widget in the runtime , I am using quickly I tried self.title=builder.get_object("title") for initialising and def update_Label(self,url): ...
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1answer
64 views

How do I include image in my app from a url?

How do I add particular images which is situated in given url, in my app , can I do it in glade?
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1answer
63 views

Share images using GwibberGtk

I am trying to implement social support into my app using Gwibber. What I need to do is share opened images but it seems that there are no ways to do that using libgwibber only. So are there any ...
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1answer
99 views

Which packing constant to use for set_child_packing() in Python

I want to change a child of a box's padding; so I am using set_child_packing on the box holding the child. I can't figure out what to use as the constant for for the pack_type. Using PACK_START from ...
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1answer
163 views

Running a terminal-type command in my application

I want to create an Ubuntu Application which has a GUI for a CLI-application. I want to run a terminal command, for example, on a button click in my application. How can I do this? Or should I really ...
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1answer
45 views

GtkPositionType

The problem is that I have to use function attach_next_to() on grid, but the optional parameter of that function is GtkPositioType for side on which I can attach some new widget od the grid. What ever ...
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1answer
135 views

Adding button to grid in Quickly

In Glade I made a grid 3x3 ad name it grid, I got instance of grid with self.grid = self.builder.get_object("grid") and then I want to add for example a button on that grid when some other ...
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1answer
62 views

Quickly/Glade autoadjust text position

In Quickly/Glade, is it possible to keep the text (well, labels) centered, so when I maximize my program's window, the text stays centered? It's probably something easy to do, but I have been unable ...
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1answer
274 views

Webview load specific URL (Quickly/Glade)

I was watching the Ubuntu Developer video about creating your own browser using webkit, but I was wondering if it would be possible to make webkit load a specific website. For instance, if I was to ...
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1answer
183 views

Opening a Window within an already open window (Quickly/Glade)

I have a question regarding window and button implementation. If I have a toolbar set up, and I have a button on it, is it possible to get it to open a window right within the program? I mean like ...