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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1answer
51 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 ...
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1answer
197 views

Qt creator does not work correctly after installing ubuntu sdk

I installed qt-sdk before installing ubuntu-sdk on ubuntu 12.04. When the Develop, Examples, or Tutorials link on the welcome page is clicked it creates inactive windows and cannot close it normally. ...
3
votes
1answer
349 views

How to get QML syntax highlighting in gedit?

QML files opened with gedit don't have syntax highlighting. Is there a package providing a gtksourceview lang.spec file for QML? If not, has anyone written a lang.spec than can be installed locally?
3
votes
1answer
143 views

How to collapse and expand a ListItem.Standard?

For the app I am developing I would like to have a list with sections that I can collapse or expand. The item in the sections can be clicked and open a DefaultSheet. So, for example in the "Ubuntu UI ...
3
votes
1answer
208 views

How to create and submit package for Qt application

I have an application that I developed in Qt and Ubuntu. Its primary target is Windows but I prefer working in Ubuntu for all sorts of obvious reasons, so I rebuild it using Qt under XP and create an ...
2
votes
1answer
115 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 ...
2
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1answer
70 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 ...
2
votes
1answer
106 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 ...
2
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1answer
31 views

What does desktop_validates mean?

In a review for my click package, I saw a message containing: desktop_validates What does it mean and how do I fix it?
2
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1answer
68 views

In-app paymnt methods

I'm interested in developing for Ubuntu (mostly phones) and I can't seem to find the guidelines on app publishing, will apps only work through the ubuntu software center, or can users download and ...
2
votes
1answer
51 views

Possible to download packaged deb file before final publishing on myapps portal?

first of all sorry if this is a stupid question (or the wrong place to ask said stupid question!), but I've looked all over for an answer and couldn't find one. I've recently submitted my game ...
2
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1answer
743 views

How to control gnome-terminal from Python scrypt?

I am developing an application in PyGtk, and would like to launch a gnome-terminal and output commands to it. My user should then be able to modify the command, or maybe ignore using the up arrow ... ...
2
votes
1answer
131 views

Get sensor values Ubuntu Touch

I'm new to Ubuntu applications and I'm trying to make an application for Ubuntu Touch that reads the values from the sensors (Accelerometer, Gyroscope,...) but I don't know where to begin. Which ...
2
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1answer
187 views

How to update my Ubuntu Software Center App

Ok so I programmed an app (GibberEng) and submitted it to the app store and it got published and all that. How do I make an update to that app. So that all the 80 people who have downloaded it receive ...
2
votes
1answer
24 views

How to use Ubuntu App Developer's Key system?

Okay so I made a package and submitted it to Ubuntu App Developer. It does not install any files directly, but does depend on Qt framework. The License Key system Ubuntu provides says it will look for ...
2
votes
1answer
619 views

Convertion of tiff image in Python script - OCR using tesseract

I want to convert a tiff image file to text document. My code perfectly as I expected to convert tiff images with usual font but its not working for french script font . My tiff image file contains ...
2
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1answer
69 views

Will Ubuntu get an asset set to allow Qt applications using GTK style buttons?

Given the recent movement towards Qt as a primary development platform for Ubuntu and the underlying Gnome standard application set: Are there plans to have GTK style buttons available in a simple ...
2
votes
1answer
432 views

(QML) Scroll multiple listviews

Is possible to scroll multiple Listviews together in qml?? this was my attempt: Flickable { id: scoreflick anchors.top: namesrow.bottom anchors.left: ...
2
votes
1answer
385 views

Ubuntu 12.10 - set alternating row colors in gtk3 TreeView

Ubuntu used to have alternating row colors for gtk TreeView widgets. Some applications still do, like Banshee. Alternating row colors would really help my application (written in python 2.7, and using ...
2
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1answer
124 views

Access native functions in ubuntu phone

I'm looking at app development for ubuntu phone and it really looks great! But is it possible to access the native functionality of the phone like make a phone call or save a file? The API ...
2
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1answer
69 views

Packaging commercial application

I'm developing a project tracking application that I intend to release not far in the future as a commercial (for purchase) app in the software center. I'm just trying to figure out how to best ...
2
votes
1answer
172 views

How to add in-app advertising?

I'd like to code something cool for the ubuntu software center. I'll release my app for free, but I'd like to add some in-app advertising. Is it possible ? how can I do that ? is it hard ? Thanks to ...
2
votes
1answer
165 views

Make Web Pages act like Unity Apps

Is thee a way to make web pages act like apps? What I want to do is to split many Chromium pinned tabs into apps. So, for example, I have 2 gmail accounts, 2 tabs in Chromium, and I want separate ...
2
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1answer
169 views

Custom widgets/controls in application indicators

I want to develop an app for ubuntu, that integrates inside the calendar indicator/menu. It should allow to enter info right from it, and have several controls like input boxes, drop downs, spinners ...
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1answer
33 views

Ubuntu SDK, Ubuntu touch app: “Error: Error opening shm.”

I am building an app for Ubuntu Touch. It works well on desktop, but when I try to open it on nexus it starts opening a splash screen but immediately crashes. Here's the logs: t_shm() at ...
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1answer
125 views

Ubuntu touch. adb devices is not recognizing nexus 4

I am using ubuntu touch in my mobile nexus 4. adb was working perfectly and also adb helped to test some of apps I have created in my mobile. Now I am finding that adb is not working at all (ex: adb ...
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vote
1answer
50 views

How to publish a jar application to Ubuntu Software Center?

I want to upload a simple desk toy to the Ubuntu Software Center, I've researched and I can't seem to find the answer. Do I need to upload as .jar or .zip or .deb?? My jar file is an executable jar. ...
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1answer
143 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
85 views

Internationalization of QML application using i18n

Does someone know all the steps needed to have the apps translated in multiple languages? I am using in my QML files i18n.tr() , and such words I need to translate I performed below steps ( ...
1
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1answer
430 views

Get/emulate touch event in Cordova app

I have a HTML5 app, wich I want to port to Ubuntu as a Cordova app with Ubuntu SDK. It use touch events on a canvas and works fine in any browser, but no with Cordova. I bind the events like this: ...
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1answer
149 views

Quickly produces an error when installing

I ported an application over to Quickly, replacing all the files as necessary. When I say quickly run the application runs without flaw. However, the problem occurs when I try to package/install it. ...
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1answer
38 views

is there code example or api reference for “convergence”?

I cannot find any code example for writing apps for “convergence”. Does anyone know it where I could find any? Or will anyone give some clue about how to write a convergence app for both phone and ...
1
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1answer
244 views

Qt Creator cannot run HTML5 apps on Ubuntu 13.10, is it broken?

When attempting the Ubuntu HTML5 tutorial on the Ubuntu site, I have just created the template app and am attempting to run it. When I run it, I get this error: Starting ubuntu-html5-app-launcher ...
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1answer
192 views

Ubuntu SDK installation error on Ubuntu 13.10

I followed the instructions from http://developer.ubuntu.com/apps/create/get-the-sdk/. But the installation failed with the following message at the end: The following packages have unmet ...
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1answer
81 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, ...
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1answer
43 views

Why isn't python featured?

The site says Python is the preferred language for new Ubuntu applications. Yet the sdk overview page features QML and HTML5 and presents apis only in those two languages. Where is the python sdk ...
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1answer
271 views

Where is the gtk# widget for windows forms in mono?

Ok, I downloaded mono to program in c#. The installation worked fine and I have mono up and running. The problem is, I can't find the toolbox that contains stuff like: ---- Common controls ...
1
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1answer
545 views

Extend existing QML Component from C++ plugin

First of all, I would like to say that I'm not very experienced in Qt, but I would like to include a new feature in existing QML WebView component to set a list of header values, included User Agent ...
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1answer
148 views

How do I install QtTest for the Ubuntu SDK?

When I select "Build -> Ubuntu Touch -> Create Application Package" in the Ubuntu SDK, the build fails with the error "FAIL! : qmltestrunner::tst_hellocomponent::compile() module "QtTest" is not ...
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1answer
45 views

How to make a Quickly project standalone?

I have a Quickly project. But now I want it to be independent from Quickly. How can I do it? How can I run it without typing 'quickly run'?
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1answer
230 views

fakeroot and package building

We have developed a network pub/sub communication suite. It is in use across a number of different applications and domains, most notably on our payloads aboard the International Space Station (ISS). ...
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1answer
29 views

Are there any Achievement and Leaderboard services for gamers and game developers?

are there any Achievement and Leaderboard services for Ubuntu like XBOX LIVE? Also would it be open for game developers of any kind?
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1answer
52 views

Issue With App In The Software Center

Hey I got my app published in the software center, (Yay!) but now I have a different. problem. When you go to download my app it says its free but but the button says buy where it normally says ...
1
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1answer
98 views

Common SDK for Ubuntu Touch an “Classic”?

I started to develop Apps for Ubuntu using "quickly". Nice toolset and I love python as Programming language. I have a question regarding development for Mobile Devices and the "Classic" x86 Systems: ...
1
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1answer
62 views

How do I find out how popular an application is?

For me there are two use cases when I am interested in the popularity of a given application or an application version on Ubuntu: There is a choice of several similar applications. Before I install ...
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1answer
498 views

Ubuntu touch tools

I'm doing a porting exercise to port an application from Ubuntu to Ubuntu Touch. The application uses gcc 4.1.2, CMake 2.6.4, binutils 2.22. Q1. What tools are needed for setting up a Ubuntu Touch ...
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1answer
114 views

Qt Quick 2.0 UI Application Not Displaying on Touch Device

I'm trying to run a tiny (very tiny) Qt Quick 2.0 UI application on my Ubuntu Touch device (Galaxy Nexus Phone). Qt Creator successfully pushes to the device (copies via ADB and runs QMLScene) but I'm ...
1
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1answer
252 views

Create C++ native code without QML

I want to create native C++ code for Ubuntu phone that is NOT QML based. In fact, I want to create native C++ code that: 1) does not use or depend upon Qt 2) uses SDL to bring up a window 3) Get a ...
1
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1answer
279 views

Problem with libqt4-dev. Messed up dependencies

I'm running Ubuntu 12.04 and tried to update ubuntu-sdk but today it wasn't possible without adding phablet-team/tools PPA as described here ...
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1answer
53 views

Regarding Installation of ubuntu sdk

I'm very eager in developing mobile apps for ubuntu. I followed the instruction given in the http://developer.ubuntu.com/get-started/gomobile/ website. but i could not install completely. was gving ...