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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How to make a debian package from ubuntu SDK?

I have created an App using the Ubuntu SDK and now I can't find a way to package it. The documentation says the easiest way to do so is using the publish button located on the left bar in ubuntu SDK, ...
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0answers
323 views

module verification failed signature and/or required key missing

I am working on a kernel module, which is working fine. However, looking through dmesg, I see a message regarding my module that module verification has failed (module verification failed signature ...
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0answers
32 views

How do I add C++ Source and Header Files to UbuntuSDK Project?

I am trying to add some C++ Code to an Ubuntu SDK Project which is (GUI) based in QML. Unfortunately I can't seem to understand how I am supposed to do this. Usually QTCreator allows me to right click ...
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1answer
77 views

Ubuntu SDK: QML with C++ recommended App Design Methodology

Are there documented general guidelines for mixing QML with C++ for ubuntu apps? "QML for UI design and C++ for logic" seems to be the trend. Is this the right way forward?
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1answer
35 views

Unable to access i18n in QML app's JS file

I'm having trouble importing the i18n library included in Ubuntu.Components 0.1 for use in a JS file. I initially ran into my question/problem while hacking on the 'Clock' Ubuntu Touch core app, but ...
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2answers
411 views

QML Qt 5.2 problem with mp4 video

I have qt 5.2(ubuntu sdk) installed on Ubuntu 14.04 When I try to run QML code: MediaPlayer { id: mediaPlayer source: "../path/test.mp4" autoPlay: true } VideoOutput { id: video ...
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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 ...
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2answers
54 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 ...
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1answer
78 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.
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0answers
22 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 ...
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3answers
49 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 : ...
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1answer
46 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 ...
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1answer
39 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 ...
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0answers
218 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 ...
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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 ...
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2answers
128 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: *** ...
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2answers
38 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
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2answers
92 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 ...
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1answer
27 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?
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0answers
31 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?
4
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1answer
147 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 ...
2
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1answer
82 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 ...
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1answer
34 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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0answers
9 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 ...
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2answers
95 views

What framework should I use in my manifest file

I'm writing an application for Ubuntu for Phones and need to know what framework goes in the manifest.json file. I submitted an app but got this back:- 'ubuntu-sdk-13.10' is obsolete. Please use a ...
2
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1answer
61 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 ...
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3answers
79 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 ...
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1answer
47 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 ...
3
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1answer
148 views

QML: How to do variables?

In QML, I am just looking for a way to do fairly simple variables: Bool String Integer
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2answers
96 views

How to Integrate of Python 2.7.4 in Qt 5.0

I have Python 2.7.4 installed,Qt 5.0 installed,PyQt 4.10.4.tar.gz and sip 4.15.5.tar.gz. How can I integrate Python with my Qt?
2
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1answer
50 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.
2
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1answer
391 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; ...
2
votes
1answer
59 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
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1answer
73 views

QML: QtQuick Extension Plugin - What is URI?

When starting a new Qt Quick Extension Plugin, it asks me to specify Object Class Name (Easy enough), but also something called URI. What does URI stand for? What does this project need URI for? ...
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0answers
59 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 ...
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0answers
30 views

What are the steps needed to implement a Qt class or member function into a QML project for Ubuntu-Touch? [duplicate]

Qt contains many classes and functions that are useful for a QML project, but not readily available. The existing solutions do not employ a method that is platform independent, thus it is unclear ...
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1answer
58 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) ...
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0answers
20 views

Is there an option to tell Ubuntu to install all dev packages? [duplicate]

I have more than enough disk space and I am constantly annoyed by code I am compiling saying "you don't have foo" and then having to figure out which package foo is in, install that package and retry ...
0
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1answer
59 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 ...
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0answers
224 views

Multitouch in Qt

I've got a fresh install of Kubuntu 14.04 and Qt Creator/5.2.1, and I'm trying to get multi-touch working for the example applications like photosurface. My input device is an Acer T272HL 10 point ...
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0answers
355 views

Can't create Unity lens with Ubuntu 14.04

I want create a Unity lens, I follow this exemple : http://developer.ubuntu.com/2012/04/how-to-create-a-wikipedia-unity-lens-for-ubuntu/ I use : quickly create unity-lens wikipedia When I try : ...
3
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1answer
45 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 ...
5
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1answer
253 views

QML: What is the difference between a Component, Element, Property, Attribute, and Object?

The reason why I ask, is that often languages define the same terms differently, and QML is fairly unique in some regards. A brief explanation or analogy is preferred, where as more extensive and ...
4
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1answer
117 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 ...
0
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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? ...
2
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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 ...
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1answer
34 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'> ...
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1answer
50 views

QML: Will the Ubuntu Phone be theme-able, and do I need to develop with that in mind?

Take a simple example in formatting richtext: The Manual Way someTextBox.insert(0,"<font face='Ubuntu Mono'size='3'color='#f37420'> Blah Blah Blah </font>") The hypothetical Way ...
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0answers
111 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 ...
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1answer
47 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 ...