Writing applications for Ubuntu (including Ubuntu Phone) and questions about the application submission process to the Ubuntu Software Center. This covers both open source and commercial applications.

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1
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1answer
21 views

ListItem.ValueSelector has some sort of onselectedIndexchange?

I'm writing a small game and in the settings it uses a ListItem.ValueSelector in the settings, i'd like to if it's possible attach some event on it like with a mouse area, ie: MouseArea { ...
9
votes
1answer
350 views

How can I get started with developing apps for Ubuntu Touch?

I am interested in trying the new Ubuntu for phones OS development. (I am not an Ubuntu developer, I am new to Ubuntu. Impressed by the Ubuntu Touch preview, I got interested in learning how to ...
0
votes
1answer
64 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 ...
0
votes
0answers
15 views

Python choice not java script [duplicate]

can we use python instead of Javascript to develop Ubuntu mobile Apps, and if yes can we use the Quickly tool instead of Qt creator ?
2
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0answers
15 views

Developing native apps for ubuntu phone and tablet [duplicate]

I wanna know which language should I use to develop native apps on ubuntu phone/tablet/tv ? Also, which IDE to use? Shall I understand that ubuntu apps on PC could be easily ported on tablet and ...
0
votes
1answer
40 views

Unable to assign QString to QQuickItem* with Qt.resolvedUrl

I have the following code: Tabs { Tab { id: financialDetailsTab title: i18n.tr("Financial Details") page: Qt.resolvedUrl("FinancialDetails.qml") } Tab { ...
2
votes
1answer
240 views

Can I develop a hybrid native/HTML5 app for the Ubuntu Phone?

Can I develop a hybrid app that was used in conjunction with the native API and HTML5 in Ubuntu phone? I know that it is possible to develop either native app or HTML5 app. However, I want to know ...
2
votes
1answer
70 views

PyGTK TextBuffer adding Tags and reading text

As in topic I have TextView() and TextBuffer() added to it, I also have Tags created so when I select text and click button it will make text BOLD or something. Up to this point all works well, now I ...
3
votes
1answer
99 views

Designing UI using html and css and without webkit?

I want to try out developing desktop applications with the UI designed using html5,css and jquery and the back end code written in python. Is this possible? I have already tried out the WebKit but is ...
2
votes
1answer
255 views

How can I install a Gsettings Schema without root privileges?

The typical workflow to install a Gsettings Schema is this: Create a schema, with the extension .gschema.xml, with contents like this: <?xml version="1.0" encoding="UTF-8"?> ...
0
votes
1answer
36 views

Can I develop applications for the Ubuntu Software Center using KDE?

I am interested in making an application to sell in the Ubuntu Software Center. Can I do this using the KDE frameworks and C++ or any other KDE-compatible language instead of Gtk and Python? I am not ...
6
votes
1answer
207 views

Testing Ubuntu mobile applications

I'm currently reading much about the new Ubuntu mobile (phone) OS and now I'm wondering if there is the possibility to test applications. I know that QtCreator is the recommended IDE and an emulator ...
4
votes
1answer
345 views

QQmlComponent: Component is not ready

I'm following through the Create a currency converter app tutorial. I'm on a fresh raring install and have installed the ubuntu-sdk. I created a new project (QT Quick 2 UI) and copied in the ...
1
vote
0answers
71 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: ...
7
votes
4answers
1k views

How do I make my java app compatible with the unity global menu?

I like to develop in Java but also want compatibility with the global menu? Is there a way? Please help.
10
votes
4answers
2k views

Why Ubuntu.Components 0.1 missing from QTCreator?

First of all i need to create a "hello world" app using QML & QT Creator as described here http://developer.ubuntu.com/get-started/gomobile/ Second, when i was trying to install QML platform and ...
1
vote
0answers
110 views

Not getting output for CurrencyConverter standard app

I am running the Ubuntu 12.04.2 LTS version on my system and have also installed the Ubuntu SDK as instructed in: http://developer.ubuntu.com/get-started/gomobile/#step-get-toolkit Also, I have ...
2
votes
1answer
40 views

How can I merge unversioned MonoDevelop code back into a git repository?

My group partner and I are creating a MySQL database application with a GTK# frontend. Our application consists of a main window with information displayed in multiple tabs. My partner started most of ...
-1
votes
1answer
46 views

Ubuntu software [closed]

Cody here. I was wondering if anyone knew what kinda of programming language is used for either a Universal GUI or a linux GUI? Or what language would I be able to learn for a Terminal Application? ...
15
votes
3answers
345 views

How can I use the voice recognition used by Android on Ubuntu?

If I'm developing an Android app that uses TTS and Voice recognition, which libraries are used for the same voice recognition and speech on Ubuntu? I'm assuming espeak for text to speech, but I'm ...
4
votes
1answer
271 views

Building webkit from source

I tried to install the webkit applicaion from sources using this manual: https://help.ubuntu.com/community/WebKit When I type: ./autogen.sh --prefix=/usr the following error occurs: checking for ...
2
votes
1answer
33 views

What would cause files not to be included in a .deb?

I'm trying to build a .deb package (python) as part of a larger project. I'm able to successfully run 'make' and 'make install' on it, but when the package(s) are built (using dpkg-buildpackage ...
1
vote
1answer
48 views

ListItem.Subtitled id not defined error in Qt SDK

I've made a list displayed on Tab Page, its suppose display a Subtitled List Item: conversation (An item that displays Icon + Text), I've got a button that allows the user to change the text of that ...
2
votes
1answer
75 views

python3 can participate to Ubuntu app showdown?

my application works only with python3 and it use QT, can I participate to Ubuntu Application showdown? Right now I don't know how to create the package... Quickly doesn't work with python3
2
votes
0answers
144 views

QML/Qt Development path verses “Quickly” and Gtk

It seems like recently the path Ubuntu is moving towards is to have code developed with QML and Qt, and that appears to sync with their move to be able to target tablets, phones, TV devices and the ...
2
votes
1answer
215 views

Problem with SVG image in QML

I use the QT5 from ppa:canonical-qt5-edgers/qt5-proper. When trying to use a SVG as ab image source like Image { source: "sample.svg" height: 100 width: 100 } I get the following error: ...
1
vote
0answers
60 views

How to create an Ubuntu app using python and Qt4 designer

I recently started developing Ubuntu desktop apps using Quickly. But then I tried out the Qt4 designer and I feel more comfortable with it than Glade designer that Quickly uses. I liked developing ...
1
vote
1answer
27 views

How can I bind Gio.Settings of TextBuffer or TextView?

I'm trying to bind a TextView to the key "text" by TextBuffer. I get the text, but this property is not recorded. widget = self.builder.get_object('textbuffer_text') settings.bind("text", widget, ...
0
votes
1answer
31 views

How can I prevent my main application window getting black?

I have made an ubuntu app using Quickly in Ubuntu12.04.In that app's main window there are several buttons.Clicking some of them opens new windows of other applications(like, ...
9
votes
1answer
195 views

How do you package HTML applications for Ubuntu Touch?

http://developer.ubuntu.com/get-started/gomobile/ talks about HTML5 applications but doesn't explain how to package or install them on Ubuntu Phone/Touch. Is the "Unity Webapps" stuff at ...
0
votes
1answer
322 views

Problem with qtchooser

When I try to start qtchooser i get this notification: qtchooser: could not exec '/usr/lib/x86_64-linux-gnu/qt5/bin/qtchooser': No such file or directory I've installed Qt5 from ...
0
votes
0answers
68 views

how to change tab background on Ubuntu Touch

I'm not sure if it's been ask before, but how exactly do you change the Color of the Tab Background: What i'm trying to do is to change the background of the whole thing to : #333333 e.g Like the ...
1
vote
1answer
64 views

How to open a new tab via a button using the Ubuntu Touch Qt SDK?

I blame it on my tiredness but I'm struggling to find how to direct the user to a new tab via a button: I've got a Login page and if the user has placed the right username and password, pressing on ...
1
vote
3answers
192 views

How to detect if appmenu is active?

Is it possible to check from the application if its menu will be displayed in the window or in the panel (AppMenu)? I can of course check if the environment is Unity, but some people use AppMenu in ...
3
votes
2answers
112 views

Detecting use of ubuntu unity global menu

I'm porting a commercial app to Linux, it is to run on several distros. When run on Ubuntu, the GtkMenuBar is removed from the app's window and placed on the main global menu bar. That's fine ... but ...
9
votes
5answers
1k views

How can I update the Ubuntu SDK preview from the Qt 5 Beta PPA to the Qt 5 Release PPA

When the Ubuntu SDK preview was announced on the 2nd of January, it was based on the Qt 5 Beta release (as Qt 5 had not yet been released and packaged for Ubuntu). At some point, the Qt 5 release was ...
2
votes
1answer
43 views

What is the difference between versions from a development perspective?

Some software (eg veracity, ultraedit) has packages for Ubuntu 10 and another for 11 and another for 12. What would differences in Ubuntu versions would account for this? Did the location of files ...
3
votes
3answers
268 views

Glade alternative for Quickly?

Is there? I am not getting on with Glade one bit. Any other ones out there that are better to use? Thing I dont like about Glade is when I make a mistake and I save I cannot undo along with several ...
4
votes
1answer
78 views

What is the @ sign added as a suffix to images used for apps based in the Ubuntu SDK?

I've been looking at some example apps from the Ubuntu SDK and from the Touch Developer Preview source code, and I've noticed that some images used as assets in those apps have a suffix with an @ sign ...
0
votes
0answers
25 views

Emulator support on Ubuntu for Phones device [duplicate]

Got the following question from one of HP Employee around Ubuntu SDK. Windows Phone 8, Android and iOS all provide an emulator window to test the proper look and feel (not necessarily the ...
0
votes
0answers
29 views

Altering window resize during drag

I'm looking to have my app be able to alter the window size during a user's drag of the border, similar to the windows WM_SIZING (this is a port). I have some windows with minimum width or height, and ...
0
votes
0answers
11 views

What is the meaning of this warning from quickly package? [duplicate]

I am developing my first Ubuntu app using Quickly in Ubuntu12.04. When I use quickly package package gets created perfectly.But I get this warning: ...
0
votes
2answers
60 views

Sample Application built with Quickly can't access Web

I am running Tutorial application example for Quickly ( I named App Smallbrowser). This is code from SmallbrowserWindow.py : import gettext from gettext import gettext as _ ...
3
votes
2answers
122 views

Will it cost money to upload a phone application?

Similar to how Apple and Microsoft require you to buy a developer 'subscription' for $99. The google play costs $25, does Ubuntu have a similar cost or is it free?
0
votes
0answers
32 views

Question about audio API

As a developer and musician I'm really interested in your OS. My first question is about audio API : Will this (very promising) OS allow low latency audio programming ? I've heard that Android ...
1
vote
1answer
87 views

How to parse text messages on Ubuntu Touch

Hi I want to be able to parse text messages on Ubuntu Touch for a specific key word. I understand how to do it on Android, but it is looking like this is very different than on Ubuntu Touch. ...
1
vote
1answer
74 views

How to switch from Core Layout to Full Screen Layout? PageStack Header annoying

I want switch from a Core Layout to a Full Screen Layout when clicking somewhere in the Core Layout. I use PageStack to get the switching with back button and stuff Tabs to have something ...
2
votes
1answer
149 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 ...
1
vote
1answer
111 views

What about “Write apps for all Ubuntu devices ”

on http://www.ubuntu.com/devices/phone/app-ecosystem ubuntu writes about creating one app for all devices, seperated only by the currently offered UI ( Tablet, Phone, Desktop ). Due desktop apps are ...
0
votes
1answer
30 views

Source package: precise build dependencies policy for Software Centre

I was seeking for a detailed specification of what's allowed as build dependencies for sources packages to be published in the Software Centre. I found Ubuntu Policy Manual — Chapter 4 - Source ...

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