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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4
votes
1answer
77 views

How come many of the AppShowdown apps aren't available in Ubuntu anymore?

After upgrading to 12.10 I've noticed that I can't install some of the nice apps created for the AppShowdown, such as: Cuttlefish Blubphone (Lightread also came out quite late in 12.10) It seems ...
0
votes
1answer
43 views

HUD and menu integration for Ubuntu Touch apps

Is there a way to move the Tabs into a menu, or the toolbar options into a menu? It would be nice enough to have the toolbar options display in the menu when on the desktop.. Is there any work to add ...
2
votes
3answers
62 views

What is the best way to start developing ubuntu touch apps? [closed]

I'm a starting programmer and I can write c++ programs (nothing more or less). I want to get started with writing Ubuntu touch apps, but I have no idea were to start. Should I just jump into it, or ...
1
vote
2answers
44 views

Can the C++ API be used to develop scopes for Unity 7?

I want to develop a Unity 7 scope for Ubuntu 14.04. I've found a nice introduction here, but unity-scope-tool depends on Unity 8 which I don't won't to install. As I can see, most of the other scopes ...
0
votes
0answers
15 views

Can a program receive information from a video [on hold]

I'm looking to develop a program that downloads a video(already know how to do that part) then "watches the video" and writes down the words that are on the screen in the video. Think of it as a ...
0
votes
1answer
33 views

How to package a net-beans java project for Ubuntu

I'm in final year of my b.tech, for project I have created an multilingual dictionary in Java (net beans 6.7.1) in which we can search words meaning, its synonyms, antonyms and an example, or if its ...
0
votes
1answer
24 views

Ubuntu Touch App File Type

Hello I was wondering what type of app files you can upload to the ubuntu touch app store It is apk files?
11
votes
3answers
8k views

Gradle in Ubuntu

It appears that Ubuntu doesn't have new versions of Gradle in their repositories for some reason. I need it for a project that will be build by Launchpad. What should I do about this?
0
votes
0answers
27 views

How to generate final application to publish in Ubuntu Touch Apps?

I created a simple application for Ubuntu Touch, but I do not know how to generate a final package. I click "Publish" and put in the information needed (Name, Maintainer, Title, etc...), but if i ...
4
votes
1answer
95 views

What does desktop_Icon mean?

I've submitted an app to the software store but it gets sent back with this error:- desktop_Icon What does this mean and how do I fix it?
1
vote
1answer
39 views

How To install kivy for python and its dependencies to build android apps?

I have ubuntu 12.04, I read the documentations and it confuses me, I just want to know what to type in the terminal or what and how to download whatever I need. Please Help.
2
votes
0answers
21 views

Deleting a application draft

I accidentally started submitting a click application when I meant to submit a desktop application is there a good way to delete it in the draft state? I searched around the "Manage" menu and I tried ...
2
votes
1answer
51 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 ...
0
votes
2answers
85 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 ...
1
vote
1answer
31 views

What requirements should my App meet in order to be accepted into Ubuntu App Store?

This question attempts to identify the constraints an Ubuntu (Touch) App should consider, in order to be accepted by the App Store. Should it be stable not beta? Should it not allow users to ...
1
vote
3answers
37 views

Click package validator is missing from Ubuntu SDK!

I can't see an option to validate click packages in ubuntu-sdk. Am I missing something? I'm on Ubuntu 14.04 ubuntu-sdk version : 1.126 qtcreator-plugin-ubuntu version : ...
0
votes
1answer
39 views

Where does dm crypt keeps crypt list?

If we enable encryption via cryptsetup tool on linux. Where does it keeps the crypt list/ encryption disk sector information etc ? Is it resides inside the LUKS header or device mapper kernel itself ...
1
vote
1answer
69 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
1answer
32 views

How to use QAudioOutput in Ubuntu Touch

When I run QAudioOutput on Ubuntu Touch in confinement, It reports permission error. Basically it is trying to create a directory in /run/user/*/pulse which is rejected by the confinement. How to ...
1
vote
0answers
88 views

How to deploy my Qt app statically on ubuntu ? It is running on ubuntu 14.04 only

I wrote a application with Qt 5.x and the compiled binary is only working on my development machine running 14.04 on other machines running 14.04 on linux mint 16 I already inserted the CONFIG ...
1
vote
2answers
48 views

Right package for JSON-GLib development headers

During configuration of one project, I got the error: checking for JSON... no no configure: error: You must have JSON-GLib >= 0.14.0 development headers installed to build. make: *** ...
0
votes
0answers
20 views

QML: How do I set my icon in the Ubuntu SDK with a CMakeLists based project?

How do I set my icon in the Ubuntu SDK with a CMakeLists based project? Do I need a specific type of image file, or can I use just a png?
0
votes
0answers
14 views

revkit installation [duplicate]

so i need to install this software called revkit on ubuntu 12.10. below are the instructions as per the manual: Requirements RevKit needs a couple of packages which can easily be installed with the ...
0
votes
1answer
39 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 ...
4
votes
1answer
109 views

Correct handling of application URIs from Unity Dash

At some point, Unity changed the Uri type it returned when a drag-n-drop operation occurred of applications from the Unity Dash to a Gtk window in an app I wrote. In 13.04 (Unity 7.0), the data call ...
3
votes
2answers
28 views

How to go back from a PageStack's Page to the parent tab in the UI Toolkit

So in a previous question I tried to use the Ubuntu UI Toolkit to nest a PageStack within the Tabs component. It seemed to work, but it had its quirks, so I'm now trying another option, which in ...
4
votes
2answers
82 views

How to hide the header of the Tabs component

I'm writing an app using the Ubuntu SDK, and I've got a PageStack component inside aTabs component. When I load one of the pages inside the PageStack, it all works well, and in the header the name of ...
4
votes
1answer
98 views

What does .gu stand for?

What does .gu stand for? For example: ConditionalLayout { name: "row" when: layouts.width > units.gu(50) //right here Row { anchors.fill: parent etc....
1
vote
1answer
96 views

In QML, is there a Conditional Layout that corresponds to the phones orientation?

So instead of guessing it with something like this: ConditionalLayout { name: "column" when: layouts.width > units.gu(50) Column {... It would be something like this: ...
1
vote
1answer
26 views

QML: How to display a “<” character in a richTextBox?

The code in question: description.insert(0,"<tr><td><H1> ---Less-Than-Sign-Here--- </H1></td><td><font face='Ubuntu'size='3'color='#f37420'> ...
2
votes
1answer
26 views

ActionSelectionPopover - populate dynamically

I am trying to populate dynamically an ActionSelectionPopover... Does any one ever got it working? this is the static way to get it work: ActionSelectionPopover { id: popMeUp data: bitrates ...
3
votes
1answer
37 views

What is the difference between Ubuntu.Components and QtQuick?

QtQuick 2.0 Ubuntu.Components 0.1 Are two common imports when developing applications for Ubuntu. Are these classes? Can you import member functions this way? If yes, how can tell what member ...
0
votes
0answers
33 views

Is it possible to send a return code with the Qt.quit() signal from QML?

I'd like to know if it's possible to send a return code from a pure QML application using the Qt.quit() signal so that qmlscene can exit with the same error code. I don't need a solution using C++, I ...
2
votes
1answer
150 views

Unable to start a QML app using qmlviewer/qmlscene

I'd like to start writing QML applications. I followed this tutorial: http://qt-project.org/doc/qt-4.8/qml-tutorial1.html my code is: import QtQuick 1.0 Rectangle { id: page width: 500; ...
0
votes
0answers
46 views

Binding loop error when changing mainView background colors

The background color change works but the errors below shows and sometimes it lags when triggering the change. This is my code: onActiveChanged: { if (pageGastos.active === true) { ...
3
votes
1answer
77 views

Ubuntu SDK QML how to change the background color of TextField

I have a situation where the background color of my QML app MainView causes the textfield entry to have grey lettering on equally dark brown background. This makes it almost impossible to read what ...
0
votes
1answer
35 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: ...
18
votes
3answers
7k views

Why no library files installed for google test?

The libgtest-dev package seems only install header files to the system, but not the static and dynamic libraries which should be installed under /usr/lib. Is it a bug?
0
votes
0answers
90 views

How can I deploy 32 and 64 bit versions of my application in the Ubuntu's Software Center under a single entry?

I don't know how or don't see the option to have 32-bit and a 64-bit version of my application under the same entry in the Ubuntu's Software Center, and .deb packages cannot contain multiple ...
0
votes
0answers
80 views

graphical presentation of codes

Is there any tools which understand programming languages in Ubuntu and make a graphical shapes or diagram of the code. I think it is better to describe my case I have a C++ code with more than 10 ...
13
votes
4answers
4k views

How to create Unity indicators?

I'm interested in Unity indicators, and wonder if there is any tutorial about how to program them. I can use the sources of the existing ones as last resort, but I'd prefer a more friendly approach ...
2
votes
1answer
30 views

QML WebView.back does not work

In QML I want to use WebView , but the WebView.back does not work. Is there some way how to navigate, or do I have to store all the previous paths and navigate between them manualy using javascript ...
2
votes
0answers
33 views

Ubuntu, gtk 3.10.8, not able to visualize a menubar made by Glade

My problem is that I've drawn a UI with Glade, but the menubar doesn't want to be drawn. Here is the xml, just a sample: please try to check out the properties. It is a very simple menubar but I ...
3
votes
2answers
267 views

Appmenu with QML App

I'm developing an Ubuntu SDK meant to be used on both the desktop and touch interfaces. Obviously the menu that slides up from the bottom of the window is not a great interface for the desktop. ...
0
votes
1answer
28 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 ...
1
vote
0answers
8 views

Redirecting to error page while submitting ubuntu touch app

I'm writing an application for Ubuntu for Phones and I submitted my .click package to ubuntu store 'myapp' portal, after uploading it goes for scanning, but after scanning automatically it is ...
0
votes
1answer
39 views

Can't get buttons to work wx.python (ubuntu 12.04 LTS )

try: import wx except ImportError: print 'Module not found' class Frame(wx.Frame): def __init__(parent,id ): wx.Frame.__init__(self,parent,id,) panel = wx.Panel(self) ...
0
votes
3answers
56 views

Ubuntu Quickly: How do I set a button to launch a specific Ubuntu Application

I'm very new to linux and I don't know very much. I was creating my own application with Quickly, and I wanted to have a button which launches the Hardware Information application "Hardinfo". I'm very ...
2
votes
1answer
75 views

How to integrate jFrame Menu Bar into Unity top bar?

I'm developing a Java application using jFrames, and the Menu bar object doesn't integrate with Unity's top bar (Window Title & Application Menus) as any native Unity application does. Is there a ...
2
votes
1answer
47 views

How to transfer money from my Developer Account?

I have $22 in my developer account. I want to transfer this money to my paypal account. How can I do it? Is there any limit for the transfer or any time we should wait.