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 development

I'm a fifteen year old who would like to try out Ubuntu Touch app development, and I have a few questions that hopefully some of you will be able to answer... I'm intending to use HTML5. - Do ...
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1answer
13 views

Migrating from Microsoft VB6 and SQLite to Linux [duplicate]

I am doing business programming and wish to migrate to Umbuntu. What would be a similar development environment in Umbuntu?
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0answers
14 views

How do I package commercial debian packages on 14.04 (step by step instructions, with examples) [on hold]

This url was provided but is not forward and simple enough for me to compile in the time i am trying to finish the project.. ...
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0answers
9 views

Ubuntu-sdk webview HTTP handler error

I try to open Instagram site in a webview but I just get a blank screen with some errors. here's the code: import QtQuick 2.0 import Ubuntu.Components 1.1 import Ubuntu.Web 0.2 Page{ WebView { ...
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0answers
18 views

How to delete the android studio in ubuntu 14.04?

I have installed Android studio in my lappy but I want to delete all the files and Android studio itself from my lappy.Please help me !!! gracious,have a good day!
2
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3answers
114 views

How can open-source programs make money? [on hold]

I am new to Ubuntu and I am really interested in making software that can work on it and I would like to make profit from these software. How can I make money from making software for Ubuntu if the ...
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4 views

How to get the DPI of an ubuntu touch device

I would like to know the DPI of an ubuntu device so for example I could make a ruler app.
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0answers
14 views

How to make Ubuntu touch qml app fullscreen

I am making an Ubuntu touch app and I am wondering how you can make things such as games fullscreen like PathWind. Which means removing the notification bar. If I have a qml object as my main object, ...
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1answer
25 views

Where should libraries be located for the development process?

With the SDL libraries for example, one would have to point to the headers at the beginning of their code, like so: #include <SDL/SDL.h> And, when compiling with GCC for example the library ...
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24 views

qTox VoIP on the Ubuntu phone?

Has someone assessed how much effort is needed to make qTox VoIP client work on the Ubuntu Touch? Additional dependencies are OpenCV, OpenAL, opus, vpx. Disgusting pre-build scripts. Qt build ...
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1answer
65 views

Can't run QML app with C++ plugin (cmake) in emulator

I am using Ubuntu 15.04. I created a project QML app with C++ plugin (cmake), and then I want to start it. In desktop it's running fine. When I tried to start it in emulator I got: Framework ...
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votes
3answers
3k views

How to add vte terminal widget in GTK3?

I'm trying to add vte widget in my application and the examples I've found use .fork_command() to execute a command in that widget. But according to ...
24
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1answer
5k views

What are Click packages?

I noticed that Ubuntu SDK recently had some updates and it installed a program named "Click". I would like to know what they are and how to use them. Also, would they make Debian packaging easier?
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0answers
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New user. Need help [duplicate]

I just got this new computer and it came loaded with this app. I don't know how to use this. It was supposed to have Windows and I cannot do anything. I work with my computer because I own my own ...
23
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5answers
9k views

Is there any API Document Browser like Dash on Ubuntu?

I've seen my friend enjoy using Dash, in which you could look up all kinds of language document, Java, c#, Android, Javascript, JQuery, etc. That makes life much much more easier!! Does Anyone knows ...
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1answer
30 views

QML Blinking animation

I need a blinking animation for an icon, I did this so far: Icon{ id: bigLike name: "like" color: "white" opacity: 0 ...
54
votes
13answers
8k views

What advantages does Ubuntu have over Windows as an environment for programming?

Why is writing a program in text files or via the terminal a better option (as I read) than using IDE(s) like Visual Studio on Windows? Do the features an IDE provides exist there (eg. showing ...
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0answers
17 views

App published only for old Ubuntu versions

I have a (commercial) app in the software center (Robotux). Previously, whenever a new Ubuntu version was released, Canonical made the package available for it. However, this doesn't seem to be the ...
3
votes
2answers
28 views

How to make an application use local shared library instead of the system one

I have qtcreator installed using the qt online installer. It ships which its own version of qt library. The qt library are also installed in the system directories, but those are older. I have ...
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0answers
28 views

Connection refused error by soap-client curl while connecting to my zimbra server from cakephp2.6 app from my website?

I am testing zimbra server.I have details of configured linux zimbra server like: ZIMBRA_LOGIN, ZIMBRA_PASS, ZIMBRA_SERVER, ZIMBRA_PORT as in the script at https://github.com/libersoft/zcs-php. I ...
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0answers
26 views

Invoicing Visual Basic software replacement or web application?

I have a pc that is still fairly powerful but with Windows XP (Pentium 4 3Ghz 4 Gb Ram). It is used by someone who is not computer expert (I would say a really basic user) only for browsing and ...
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0answers
19 views

How to add items to a listview from the user perspective

I wanted to know how could I make it for a user to add items to my listview, so that his events could stay there, and later move to a database. beneath it the code I've for my listview now i want know ...
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votes
1answer
28 views

Python print function doesn't work [closed]

I have followed this tutorial. But I do have a small question. I have copied the exact code in de text editor, and I have the exact same settings in Glade. But when I click the refresh button, I dont ...
3
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1answer
429 views
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2answers
142 views

What's the best approach in migrating currently C# and VB.net (Windows) developed applications?

I would like to start to "translate" my Windows applications to Ubuntu users. These are mainly CRMs or CRM related programs written in VB.net and C#. What would be the best language and IDE for these ...
26
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7answers
8k views

How do I develop .NET apps on Ubuntu?

at college we use Microsoft .NET for developing applications. I recently switched to Ubuntu and would like to know similar tools for making apps on/for ubuntu.
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1answer
22 views

Unity8 Development install troubleshooting

First attempt at getting into development with Unity and in a Linux box. I was able to pull down the trunk and (I think) build its dependancies, but it doesn't feel like I've done this right and I ...
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0answers
26 views

When Ubuntu Software Center review my commercial applications [duplicate]

15 days ago I posted My application on the Ubuntu Software Center and am still waiting for review. Does anyone know when they will be following the approval of the application? My application is ...
22
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18answers
18k views

Is there a Visual Studio style tool/IDE?

I have been developing in the windows space with Visual Studio for a while now with work, but I have also been using Ubuntu for a while and am keen to get into some software development for linux. I ...
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1answer
29 views

Is PPA still the only way to publish free open source app for Ubuntu Desktop?

There is a lot of contradicting information about publishing for Desktop. Some sources say that from 14.10 onwards Click packages also for Desktop can be submitted to USC. Other sources say that Click ...
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0answers
22 views

Workstation Setup on an Active Directory

Excuse my ignorance in matters of System administration. I am a developer trying to integrate development workstations with an Active Directory based network. We have hundreds of Machines running ...
0
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1answer
16 views

How to make a custom button provide haptic feedback

I've got a custom round button that is derived from Ubuntu.Components.AbstractButton. Looking at the documentation, it states that: All components deriving from this class support haptic feedback ...
2
votes
4answers
380 views

Tab View HTML 5 App

I am trying to understand the basics of the Ubuntu HTML5 UI. I have used the following sample Code from developer.ubuntu.com <body> <div data-role="mainview"> <header ...
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vote
1answer
63 views

Installing a program on a ubuntu touch phone

I searched on the website but didn't found an answer. I heard a lot that developing an application with C, C++ or anything else. Is it really possible ? What I mean : Imagine I develop a program in ...
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2answers
51 views

wanting to add back and forward buttons. Using: quickly, glade, and webkit, webview, python [closed]

I'm new to linux, ubuntu, and basically everything else talked about in this question. I'm building a web browser in Quickly, following Jono Bacon's tutorial on YouTube, using Glade as the gui ...
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2answers
634 views

How do I include basic image editing in my python application?

I am making an application for the Ubuntu App Showdown and I want to include basic image editing like adding black and white, grey effects etc to the image. But I don't know how to do that. I have ...
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0answers
38 views

Custom “widgets” in html5 app for Ubuntu Phone

I've reviewed the documentation here and that helps to get started, but leaves me with a question of how to make a reusable custom html widget. For example, if I have a list item which contains a ...
0
votes
1answer
37 views

Remove non-listed click target

I want to write an app for Ubuntu Touch and test it on my Aquaris BQ 4.5 Ubuntu Edition. I failed big time setting it up though and now ended up having no according click target: When I go to the ...
0
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1answer
68 views

Will it be possible to develop ubuntu phone apps on ubuntu phones?

I was hoping that the ubuntu phone would bring true convergence of desktop and mobile operating systems and allow me to ditch all my other devices. I'm a developer and I want to create native ...
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0answers
6 views

OpenID failed Disabled account when loging into myapps.developer.ubuntu.com/

Why is that when i login https://myapps.developer.ubuntu.com/ I have the following message "OpenID failed Disabled account"
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0answers
11 views

is there a whatsapp messenger for Ubuntu touch phone [duplicate]

is there a whatsapp messenger for Ubuntu touch phone? in the ubuntu touch app store
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1answer
35 views

Howto prevent screen idle/dimming in an Ubuntu Phone html5 app

I am developing an Ubuntu Phone html 5 application and I want to prevent the screen from dimming and locking the phone if there are no user interaction in the screen. (The application is showing an ...
10
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2answers
9k views

How do I view or install Ubuntu Touch apps?

Lots of people have started developing Ubuntu Touch apps for the Ubuntu App Showdown and just in general, and have published them in the Click App Store. What is the Click App Store, and how do I ...
3
votes
4answers
1k views

GtkFileChooserButton 'Select Folder' mode returns no path

I have added a GtkFileChooserButton to my app via Glade. It is set to folder selection mode. When the widget is clicked it shows a dropdown list of Nautilus bookmarks with an 'other' option in the ...
22
votes
1answer
636 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 ...
1
vote
1answer
62 views

Use the design function of Qt Creator when developing Ubuntu apps

I would like to start developing Ubuntu apps with Qt Creator and I have a few queries when making a simple qml qt app. Firstly, is it normal qml and javascript? Can I use all normal qml and ...
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0answers
12 views

EVE Application and APIs are not accessible from a different same network machine

I have an EVE {http://python-eve.org/} Application exposing some of the APIs for an android application that I am writing . The Eve application is working fine when I am accessing the APIS locally on ...
0
votes
1answer
19 views

publish gambas3 programs

I have been using Gambas3 to write some User interfaces, and Ive really enjoyed the simplicity, and speed at which I can write GUIs with. Now i am ready to publish some software. I tried walking ...
0
votes
0answers
143 views

get_iplayer no longer works

I used to use get_iplayer to download previously transmitted BBC programmes to disk. The BBC has now stopped the facility that get_iplayer uses so that it no longer works. It's now offering the Nitro ...
3
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3answers
79 views

Juju support for Google Compute Engine GCE

Is Juju supported for Google Compute Engine on the roadmap? If yes, how?