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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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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29 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?
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1answer
126 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
59 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
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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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
93 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 I submitted an app but got this back:- 'ubuntu-sdk-13.10' is obsolete.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 ...
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1answer
59 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
74 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
43 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 ...
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1answer
102 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
80 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?
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1answer
48 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
339 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
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1answer
47 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
68 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
50 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
51 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 ...
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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 ...
2
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0answers
210 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
353 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 : ...
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1answer
44 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 ...
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1answer
184 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 ...
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1answer
116 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 ...
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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
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
49 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
104 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
44 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 ...
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26 views

Imports for executing system commands? [duplicate]

QML at the moment lacks the ability to execute basic system commands. What libraries or functions can be imported to add this functionality to a .qml file?
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1answer
129 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: ...
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1answer
15 views

Allow OptionSelector to Scroll While Expanded

My QML app uses an OptionSelector to allow users to choose from a list of items. On tablet size, I have it set to keep it expanded. However, I limit the container height, and while it's expanded, it ...
3
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1answer
122 views

It is not supported to create click packages for a non UbuntuSDK target

I've just finished a first version of my app port to QML and tried to create a click package but Ubuntu SDK said Wrong kit type It is not supported to create click packages for a non UbuntuSDK ...
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2answers
134 views

How to set default time for QML DatePicker?

According to the API I should use date property, but with mode: "Hours|Minutes" the picker stays at 00:00. Is it possible somehow?
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1answer
416 views

Scrolling of ListView within a Column in QML

Below code is working fine ( thanks to Sylvain ), only when scroling, the top row from the ListView overwrite the buttonRow. Any idea ? – import QtQuick 2.0 import Ubuntu.Components 0.1 MainView { ...
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1answer
121 views

How to get pixel length of a Button text string in QML?

I need to know Button text length in pixels. How to do that ?
4
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1answer
113 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....
4
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2answers
775 views

QML: Simplest way to write to a text file?

QML at the moment lacks basic system commands, so I am looking for the most simple template to write to /tmp/text.txt.
2
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1answer
89 views

Ubuntu Touch how to detect If the application is closed

on ubuntu touch. I run an application in terminal and close the application in the Application scope. The application isn't killed. And no event is caught in QQuickView. How do I detect this close ...
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0answers
59 views

How to package QML Extension Library + Tabbed Touch UI?

I have followed the method described [here] (https://bugs.launchpad.net/ubuntu/+source/qtcreator/+bug/1215913) for creating QML Extension Library + Tabbed Touch UI project and generate click package. ...
3
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1answer
34 views

Finding Mouse click position in IconView in GTK

I am building a file browser using Gtk.IconView in python. I am trying to find the path of an icon selected using " selection-changed" signal using gtk.IconView.get_path_at_pos(x,y). The docs are mum ...
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0answers
17 views

Installation failed for API

I'm developing an app for sending OSC messages working through the outlet port 4444 and I am using a C API call Liblo. Project page: http://liblo.sourceforge.net Normal install it by running the ...
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0answers
10 views

Microsoft VM installing Openemr on Ubuntu

I am installing OpenEMR on MS Cloud VM using Ubuntu. There are different versions of openEMR such as: 1 Windows 2.Ubuntu/debian 3 Linux Which download should I use? Is Umbutu/debian same as Umbutu? ...
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1answer
83 views

How to set up an environment to develop Android apps in Ubuntu that doesn't have internet Connectivity?

I have an Ubuntu laptop in which I need to develop Android apps. I know that all that software could be downloaded from the software center but the problem is that I don't have internet connectivity ...
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1answer
25 views

File permissions and applications

How does ubuntu protect against executable files which become executable through another installed app changing the permissions? I mean it is possible to check applications do not change file ...
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1answer
119 views

QML PageStack , communication between Pages - return values

I defined PageStack only on master page (a.qml) : import QtQuick 2.0 import Ubuntu.Components 0.1 MainView { width: units.gu(48) height: units.gu(60) PageStack { id: pageStack ...
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1answer
60 views

how to start developing more cleaner editor's gui interface?

I'm using Ubuntu since one year and it got everything I need daily. I've written couple of applications like gps tracking and live video streaming in C++ with netbeans on Ubuntu. The only drawback ...