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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spinner not working in Quickly App

I'm developing an Ubuntu App using Quickly, I want the spinner to rotate when I press start button but It's not working. I have used the following code: # Code for other initialization actions ...
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24 views

Can we redirect the output of a program from terminal to the Quickly app?

Can we redirect the output of a program from terminal to the Quickly app, So that the output of my program will be displayed in the Quickly app? # Code for other initialization actions should be ...
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1answer
52 views

It it possible to use apps for mobile? [duplicate]

It is said that mobile OS Android is originated from Linux. It the statement true? And Can I use apps built for Android OS in Ubuntu? Thank you. HELLOVENUS Fantagio.
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1answer
65 views

Ubuntu SDK - Example clocks wont run in emulator

I'm trying to start the example "clocks" from the ubuntu SDK in the phone emulator. After adding the emulated device, booting it and pressing play nothing happens. How can I found out what is going ...
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48 views

Can't start application in the Emulator

I created in UBUNTU SDK new project ( QML App with C++ plugin ). I can run it as desktop application, but when I want to start it in the emulator I got following error : ...
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46 views

How to install ubuntu 14.04 lts alongside windows 7 on Lenovo ideadpad S510P?

I am trying to install Ubuntu 14.04lts on Lenovo ideapad S510P having windows7. But at the time of ubuntu installation it is not finding existing o.s(windows7) on drive. It is showing empty disk. On ...
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1answer
552 views

Qt Installation requirements: unmet dependencies [duplicate]

im a linux beginner and used google & Co. by installing the requirements ( http://doc.qt.io/qt-5/linux.html ) for Qt: sudo apt-get install build-essential libgl1-mesa-dev i get the following ...
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8 views

How to Record Screen with Webcam? [duplicate]

I was wondering how to record my screen using my webcam what program should I use. If you can tell me the command to install it to. Thanks :)
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1answer
157 views

How do I animate using javascript and qml?

I've searched the internet and I can't find a simple guide how to animate ui objects in Ubuntu SDK. Can someone please explain the different parts needed and how they work together?
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8 views

Coby Kyros Mid 9742 is compatible with ubuntu for android? [duplicate]

hello im intresting in installing Ubuntu on my Tablet i want to really be part of the Ubuntu family i was wondering if it possible to install Ubuntu for mobiles and Tablet into this Tablet Coby Kyros ...
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48 views

Error while installing QML app on ubuntu device using QT creator

I am getting following errors when try to install an application on my Nexus 4 having Latest Ubuntu Touch OS. :-1: error: lint_maintainer_domain: (EMAIL NEEDS HUMAN REVIEW) email domain too long ...
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0answers
11 views

Possible to change architecture for published application in myapps afterwards

is it possible to change/add architecture for published applications in https://myapps.developer.ubuntu.com afterwards? Actually: Supported architectures:32-bit x86 But I want to support armhf click ...
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1answer
43 views

Replace secret key placeholder at build time

I'm developing an Ubuntu touch app in QML, and would like to keep an API key reasonably secret (at least I don't want to have to commit it into the VCS). I see that you can define environment ...
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1answer
44 views

How do you create an additional interpreter?

Short and sweet version: I figured breaking it down into steps would make it easier. I'm building a website I hate SQL. It makes no sense to me, for a programmer to have to learn an additional ...
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1answer
35 views

Weird bug in qml and oxyde

I have made an app with this source code: http://pastebin.com/zMwtusZJ However when I try to run the app the webview instead becomes black and does not load the web page. Here is the crash output: ...
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2answers
105 views

Best way to update files on production server from development server

I am developing a website for my own company. To do so I have 2 servers: Server 1: a development server where I upload and test files. I use Adobe Dreamweaver CS6 to put and get files I am working ...
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1answer
303 views

How do I remove dependencies from a deb installer for an isolated system?

I have created a deb package for an application created in Qt. I have included all the libraries that the application depends on, to be installed in a folder next to the application itself: ...
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1answer
36 views

Combine a falling animation with a going up animation on click

I am trying to make a moving sprite fall down from the upper left corner to the left down corner. That function is working properly with the SequentialAnimation component. Apart from that, when you ...
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1answer
66 views

Ubuntu Touch Qt3D 2.0 crashes on start

I've been trying to develop something in QML3D and while my app is running well on desktop, I can't get it working on my tablet (even thought for example Qt3D cylinder from the software center - ...
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1answer
90 views

A required package was not found - Ubuntu SDK default template has this error

I want to do some Unity Scope development and I'm getting this error: CMake Error at /usr/share/cmake-2.8/Modules/FindPkgConfig.cmake:283 (message): A required package was not found Here's a quick ...
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1answer
105 views

complete list of wowza ModuleBase events? [closed]

does anybody knows where I can find full list of events supported by Wowza ModuleBase class !? ex. onSessionCreate, onRTPSessionCreate, onAppStart, etc.. edit: I just realised that this question ...
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1answer
112 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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2answers
182 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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1answer
109 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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2answers
331 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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0answers
28 views

How to make Unity desktop webapp (not Touch) [duplicate]

I want to make an Ubuntu desktop app that will display my website, kind of like the Amazon app that comes in the default installation. I am not trying to make an app for Ubuntu Touch, nor setting up ...
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1answer
517 views

gtk header files libgtk2.0-dev package paths broken by install directory hierarchy

Ubuntu 14.04 Desktop I installed the gtk 2.0 dev package using apt-get. I see the header files in /usr/include are inside a directory gtk-2.0 (/usr/include/gtk-2.0) instead of the root include ...
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1answer
45 views

How to develop applications for Ubuntu Software Center? [duplicate]

I'm learning python. I have completed first three tutorials recommended by official python page. What are the best steps for me to continue? Should I just continue learning python? Should I start ...
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1answer
98 views

Developing Mir GUI on Ubuntu Server

The question is: How would I develop a C++ GUI application using Mir on Ubuntu server? I've installed all the packages that relate to Mir: mir-demos, unity-system-compositor, libunity-mir-dev, ...
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1answer
44 views

Button Click not recognised in Quickly

I am running quickly 12.80.1-0ubuntu2 and for some reason the apps that I generate no longer recognise button clicks. A few weeks ago I created an application using the ubuntu-application template ...
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1answer
100 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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0answers
16 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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3answers
239 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
89 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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2answers
486 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
151 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
28 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
81 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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1answer
22 views

Ubuntu apps development - how to communicate betwen 2 pages

On one Page I have displayed ListView and on child Page I creating new records. When the child Page is Closed I would like to refresh the ListView. Is there some Signel which inform me when page get ...
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1answer
91 views

I get the following errors when I try to install the Ubuntu SDK (ubuntu app development kit)

I use Ubuntu 12.04. I followed the steps given here . 1)When I try to execute the first step " sudo add-apt-repository ppa:ubuntu-sdk-team/ppa && sudo apt-get update && sudo apt-get ...
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1answer
31 views

where do I get the Eclipse CDT

I have Ubuntu 13.10 and Eclipse 3.8 from the Ubuntu Software Center. Where do I get a compatible Eclipse CDT? I went to the Eclipse web site, but it did not seem to provide a CDT for Eclpise 3.8. ...
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0answers
35 views

QML Ubuntu SDK : How to insert Video element [duplicate]

Hello everybody! I am learning Qml and using the Ubuntu SDK tool in addition to QML elements. I saw on some sites that you can insert videos with the Video element by importing Qt 4.7 and ...
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2answers
86 views

qml file and app.js not found

I am a newbie in ubuntu app development. I am going through the tutorials in developer.ubuntu.com. The thing is when I created a sample ubuntu-htmui project, no .qml file is being created as explained ...
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1answer
130 views

Will a netbook have sufficient specs for Ubuntu Touch development?

I'm interested in getting a cheap but good quality laptop to use among other things, for Ubuntu Touch development. I see the ASUS 1015E listed on the Ubuntu website, so I know it is compatible with ...
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0answers
109 views

Ubuntu Slower than Debian on 512 MB RAM

So, I am using Ubuntu 12.04 LTS. My System Details are in the screenshot. My Ubuntu is very slow for me, I mean that when I try to open any application, it takes 3-4 seconds but Debian took 1 sec. ...
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1answer
124 views

QtCreator doesn't let me create Ubuntu Touch apps!

I've gone through the instructions for installing the SDK found here: http://developer.ubuntu.com/apps/create/get-the-sdk/ using Xubuntu 12.04. Everything went well except, for some reason, QtCreator ...
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1answer
734 views

Gtk: Webkit WebView C++ (can't load url + awkward terminal output)

I am trying to include a webkit webview within my c++ application. My project uses Glade ui, and I embedded webview into a scrolled window. What I do not understand at all is this awkward output + ...
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0answers
29 views

simple frontend with qml (for n2n client) [duplicate]

I am trying to write a simple qml application being a n2n frontend of the client and following the tutorial. This application is first intended for the desktop, but if it can also be used as a phone ...
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1answer
93 views

Is there a way to attach a pygame window to glade window in quickly?

I am trying to develop a game so that when i press a button which is created using glade window i should be able to run the pygame window i have succeeded so far but the pygame window opens separately ...
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0answers
29 views

How to develop Ubuntu apps (2013 edition) [duplicate]

I know this question has come up before, but the answers can quickly go out of date. No pun intended. ;) Previously, it was the "quickly" tool to build apps. Now, developer.ubuntu.com points you to ...