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 contain the webapp to the correct website (ie UrlPatterns)

I'm making a few webapps but I can't contain the app in the correct website. The exec line is the following one : Exec=webapp-container --store-session-cookies \ ...
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176 views

Android Development in Eclipse

I am using ubuntu 14.04 . I have been trying to develop Android apps on it using Eclipse Juno which has inbuilt Android SDK in it. After setting up a new Virtual Device when I create a new project ...
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1answer
162 views

How do you use Q_INVOKABLE to access c++ functions in QML?

I am looking for the most simple and straightforward example. For my part; .h public: KTerminalDisplay(QQuickItem *parent = 0); ~KTerminalDisplay(); Q_INVOKABLE void setFontStyle(QString & s); ...
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1answer
247 views

What in the world is wrong with my Ubuntu Touch app?

I'm working on an Ubuntu Touch app that works flawlessly with qmlscene. However, when I attempt to run it on an actual device, I get a bunch of dots all over the portion of the screen dedicated to the ...
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1answer
31 views

What is the difference between bzr lp-propose and bzr lp-propose-merge?

What is the difference between bzr lp-propose and bzr lp-propose-merge? Do I have to provide the branch I wish to propose a merge to, or does it assume it for me?
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1answer
80 views

How to get filename from FileChooserButton in PyGTK?

I'm using Glade and PyGtk to develop an application. Currently I'm using a button under a toolbar to open files using this code: def on_openVideo_clicked(self, widget): dialog = ...
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1answer
66 views

In Ubuntu SDK, I can't test apps on my Nexus phone (Server Rejected Key)

I just made my first webapp for Ubuntu Touch with the Ubuntu SDK. If I test using deploy locally, it works fine. If I test on my device, it returns me : "-1: error: Could not connect to host: Server ...
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1answer
243 views

python GUI frameworks that support touch devices

Hello everyone I want to know what is the best GUI framework for python that supports touch I've been searching couple of hours and this are results which I found: PyQt5 I heard for Qt and I know ...
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1answer
33 views

How can I take a textbox text entry and make it a variable?

I am having trouble with Python and would like to have some help. I am making a apt GUI 'front-end' with a nice UI. def on_textbox_changed(self): self.instvar = ...
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1answer
25 views

Is there a benchmarking/monitoring tool that can be targetted towards running applications?

I am trying to fix a performance issue bug on one of the core apps, and I would like to know if there is any benchmarking or monitoring tool that I can use to compare my different branches use of CPU. ...
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1answer
94 views

What does the head: property do on Page{} in qml?

I have an app that I am trying to get the toolbar in the header to work. In the documentation I've noticed a property called head that seems to create and add items to the header toolbar. What is the ...
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1answer
67 views

“Ubuntu.Connectivity” is not installed

who can I install Ubuntu.Connectivity 1.0 on Ubuntu 14.04 to use it in my application on nexus4 I have used the example: ...
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30 views

How do I use the “QML Extension Library + Tabbed UI” option in the Ubuntu SDK?

Is there a tutorial for using the Extension Library project type? I haven't touched C++ in a long time, and I'm completely new to QT. I'm not looking for anything complex, just something like ...
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39 views

How to add command-lines to PyGTK application to run after executing .deb file?

I've just made a small application written in PyGTK using Quickly. Inside the application there are some functions which needs some other packages to be installed. For example I need "mencoder" to ...
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1answer
38 views

(QML) What does the “?” do in defining properties?

Popey { working: visible ? 100 } What does that "?" indicate in this example?
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47 views

building problem with boost after upgrading ubuntu

I have a code that i can build and everything was working until I decide to upgrade my version of ubuntu for the 14.04 one. Now I have this kind of error messages : ...
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0answers
34 views

How do I delete files that my app owns from QML?

My app imports files from ContentHub and saves them into ~/.local/share/applications/${myappid}/Pictures/ and I would like to be able to delete them when the user no longer wants them.
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74 views

Anybody know how to delete a file from QML without resorting to a C++ plugin?

Anybody know how to delete a file from QML without resorting to a C++ plugin? It should be possible to do in the folder that my app uses for data storage.
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18 views

How to export a tomcat project to Ubuntu

I implemented a tomcat project on Mac OS. Then I would like to export the project to Ubuntu 12.04 and deploy it. apache2, tomcat6 and other related packages have been installed to Ubuntu. How can ...
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1answer
78 views

Should we be upgrading away from ubuntu.components 0.1?

Should we be upgrading away from ubuntu.components 0.1 in our ubuntu applications? I am working on one of the core apps, and many were unsure as to whether the current library (1.1 I think) offers ...
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19 views

In the Ubuntu SDK, is there a way to view all global variables in current project?

In the Ubuntu SDK, is there a way to view all global variables in current project? Working on one of the core apps, and I want to figure out if any global variables have been defined for the current ...
3
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1answer
133 views

How to detect if GPS sources are enabled using QtPositioning in Ubuntu Touch?

I am using PositionSource to get the latitude and longitude of the user's location from the GPS data provided by Ubuntu Touch. However I need to detect if GPS has been enabled by the user. On reading ...
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40 views

Installation of Meanings failed on Nexus 4

I'm doing a simple test with the tutorial app 'Meanings'. It's running fine in the emulator but fails if I try to install the 'click' package on the physical device. Executing: ...
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2answers
82 views

Qt Creator - auto code generation

I have Ubuntu-Sdk IDE and I am doing HTML5 Programming in Qt Creator IDE, it is working absolutely fine, but when i click on Ctrl + Space, Auto Code is not generating, Please let me know what can i do ...
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(QML) Which components do I want to invoke for notifcations and dialogues on Ubuntu Touch?

Now of course I can make any sort of notification or dialogue I want. However, I want to know what the Ubuntu Style guide recommends for notifications and dialogues. A notifcation could be: Song ...
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319 views

Installing Ubuntu touch on Samsung Note 10.1 and sony xperia z ultra

I intend to Install Ubuntu touch on Samsung Note 10.1 and sony xperia z ultra. I have seen few forums and haven't got a clear picture of what is working and what is not. I saw for note 10.1 there is ...
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531 views

How to lock ubuntu device orientation in portrait or landscape from user input?

I am working on a reader app to be used on Ubuntu-Touch. When reading books from the app it would be a helpful feature to lock the orientation in either portrait or landscape. This would be useful ...
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62 views

Why I can't open qml file?

I try to develop a very simple application in QML for ubuntu-touch ! On desktop, when I press the button "add debpt" it's open a form : When I lunch it into a emulator, I have nothing : This is ...
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0answers
145 views

How does one run QML tests on a Ubuntu Touch Phone?

My application has QML tests using QtTests that I run locally on the desktop via qmltestrunner. I am interested in running these tests on the device to simulate real conditions like the on-screen ...
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1answer
106 views

How do you equally space out elements in a Row?

Row{ width: parent.width spacing: ???? Checkbox{} Checkbox{} Checkbox{} Checkbox{} } So just to be clear, the checkboxes should be spaced in such a manner that however wide ...
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1answer
89 views

Why my application crash on ubuntu-touch?

I want to try to create un application for ubuntu-touch with QML ! I was created a simple application : import QtQuick 2.0 import QtQuick.Controls 1.1 import Ubuntu.Components 0.1 import ...
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1answer
60 views

Launchpad Qt/C++ and external tools

I'm new to Ubuntu developpement and searching for information regarding building apps through launchpad (using recipes). I have a project of building a Qt5/c++ webkit app and wanted to ask: how to ...
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100 views

Targetting Boost 32-bit While on 64-bit ubuntu?

Well i have libboost-all-dev installed, but i am trying to compile for 32-bit. I can't install libboost-all-dev:i386 either. g++ -lboost_filesystem main.cpp g++ -m32 -lboost_filesystem main.cpp The ...
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1answer
77 views

How to you get a flickable to do a smooth scroll?

Flickable{ Button{ onClicked: parent.????????? } Or do I have to create a function for this?
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1answer
39 views

Why does the Ubuntu SDK tell me, “do not use comma expression”, and what should I use instead?

So for example: onCurrentlyExpandedChanged: flickable.DragOverBounds, flickable.contentHeight += itemHeight,console.log(itemHeight) The commas will have a yellow underline, and the tooltip will ...
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1answer
44 views

How do you prevent the 2nd page in a PageStack from running?

I may be missing something here but I'm not sure why the code is running before page 2 should be loaded. http://pastebin.ubuntu.com/8068379/ And is there any way to prevent the functions and code ...
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1answer
194 views

Can't Run Ubuntu SDK Apps in Emulator

Ubuntu 14.04.1Qt Creator 3.1.1Ubuntu Touch: Image version 189 & 179 I recently upgraded from 12.04 to 14.04 LTS (with Ubuntu SDK installed, and I did re-enable the ubuntu-sdk repository) and ...
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1answer
261 views

Why am I getting the error “Cannot assign to non-existent property ”head"?

I'm actually on Trusty, and I want to try new "head" property which comes with API 14.10 of Ubuntu SDK. When I launch qmlscene to test my applicaton, I get this error : Cannot assign to ...
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1answer
21 views

Why do I get “Value of Key 'Comment' is empty” in my app review?

I uploaded a Ubuntu SDK app for review on https://myapps.developer.ubuntu.com and the review is pending, because there are errors. One is the following: "desktop_validates (iamonair)": { "link": ...
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80 views

By mistake I removed Python. Terminal, music player, video player, Software Center etc. are gone

I work on Ubuntu 14.04 to install Python and other packages I entered the following command : sudo apt-get install python python-pip python-pyparsing python-mysqldb gunicorn nginx git-core ipython ...
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18 views

Phonegap plugin development

I'm developing Ubuntu WEB application using Phonegap. From http://docs.phonegap.com/en/2.7.0/guide_plugin-development_index.md.html I can see there is no explanation about plugin development in Ubuntu ...
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1answer
60 views

Does a virtual whiteboard that offers real time editing exist for ubuntu?

I'd like to give a presentation to several people using skype. Now....the thing is that I want them to look at a document that I previously created and give me real time answers to my questions. Is it ...
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95 views

Shared library problem: OpenMesh

I have a Qt app with OpenMesh dependency. I built the OpenMesh library from source: cmake ... make make install It installed to the /usr/local/lib/OpenMesh folder: libOpenMeshCored.a ...
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35 views

Packaging using Quickly and Python 3

I have written an application using Quickly with Python 3. I have adjusted everything necessary for running with Python 3, converted headers to #!/usr/bin/python3, fixed helpers.py, etc. But when I ...
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2answers
105 views

Developing NodeJS for Ubuntu Touch:

I'm new here and interested in developing apps for Ubuntu Touch. Already got the developer version running on a tablet model P3110. What I'd like to know is if it's compatible with NodeJS or if it's ...
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1answer
74 views

Was developing WUBI a difficult endeavour? Why or Why Not? [closed]

The only thing which I know about WUBI, is that it allowed you to install Ubuntu on NTFS. One might think that this was an easy application to develop, as all it was on the surface, was installing ...
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156 views

(QML) Flickable not working as supposed

So, while building an Ubuntu app I needed to use Flickable for scrolling, so now I have code of the form Page{ ... Flickable { anchors.fill: parent content.height: element1.height + ...
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1answer
173 views

Prevent components from becoming transparent on a qml window

Here is the code for a transparent and frameless window in qml: import QtQuick 2.2 import QtQuick.Window 2.1 import Ubuntu.Components 0.1 Window { MouseArea { anchors.fill: parent ...
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1answer
127 views

Why can't I use the 14.10 development apis?

So I am developing an Ubuntu Touch app and I am running the devel (utopic) channel on my phone, but 14.04 on my PC. I've changed the manifest to use the 14.10 framework, but when I run it on my phone ...
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1answer
53 views

Ubuntu Apps Developer Team

I'm writing on behalf of getting answers for a few questions. I have a team and we have to develop apps for Ubuntu Software Centre. I am the team leader and I have two members and we are growing ...