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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'ReferenceError: contents is not defined' with U1db

I'm trying to read information from a database of U1db. I encountered this error 'ReferenceError: contents is not defined' Here's my code: import U1db 1.0 as U1db U1db.Database { ...
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0answers
9 views

Unable to install libgtk3-dev to develop Gtk+ applications [on hold]

I have Voyager OS based on Xubuntu which is based on Ubuntu 14.04. The thing is that I need to install the libgtk-3-dev library to be able to develop applications with GTK in C. This is the problem ...
1
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1answer
42 views

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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15 views

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

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
13 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
22 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!
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6 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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20 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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3answers
117 views

How can open-source programs make money? [closed]

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 ...
3
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1answer
26 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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29 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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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 ...
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0answers
18 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 ...
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1answer
34 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 ...
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2answers
30 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
33 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 ...
0
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1answer
34 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
22 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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1answer
31 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 ...
1
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1answer
73 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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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 ...
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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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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
24 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 ...
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1answer
17 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 ...
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1answer
67 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
55 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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0answers
40 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
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1answer
40 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
69 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
7 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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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
39 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 ...
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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
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1answer
21 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 ...
1
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1answer
47 views

How to use Apache Cordova API in Ubuntu SDK

I created an HTML5 app in Ubuntu-SDK. Therefore I went to New Project->Ubuntu->HTML5 App. The app is already working but now I wanted to use vibration to give the user a feedback to a certain ...
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1answer
87 views

QML app with C++ plugin (cmake) subdirectory

I am developing an Ubuntu Phone application "QML app with C++ plugin (cmake)" but I have so many qml files so I want to separate them by functionality ApplicationName CMakeListes.txt .. app ...
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21 views

How can I change the type of my application?

I generated my first WebApp for Ubuntu Touch. The app appears as an 'Application' in the Ubuntu Software Store which is wrong because it is a 'Web Application'. How can I change the type in section ...
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0answers
36 views

How to autostart an application on Touch device?

What if you want to distribute some daemons in ubuntu-click packages? What is the preferred way to start them on boot?
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2answers
42 views

is there any app for backup/ restore installed apps in ubuntu?

For some reasons, you will need to do an ubuntu fresh install on the same PC/laptop by re-size partitions, or in other PCs/ laptops. Installation is OK, but it spends a lot of time for installing apps ...
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13 views

How do I configure the Ubuntu SDK to use a proxy cache?

The Ubuntu SDK sets up emulators for me, which seems to involve a call to click chroot which then runs debootstrap. How do I pass through my proxy server settings through to debootstrap? I want to do ...
0
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1answer
58 views

Qt Multimedia doesn't seem to work on Touch

Using Qt package 'Multimedia' to get cameras on the bq phone: QList<QCameraInfo> cameras = QCameraInfo::availableCameras(); cameras.size() always returns zero. Host 14.04, target 14.10, Qt ...
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1answer
41 views

File storage location for ubuntu application

In my application I plan to store files locally ( exported files ) and import files which user copy via USB to the disk. Where to locate such application files ? Is there some recomendation ?
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1answer
95 views

Compiling and running camera-app with Ubuntu SDK

Got camera-app, revno: 542. Host - 14.04, Ubuntu SDK. Target Desktop getting runtime qml error when trying to run the 'camera' run configuration: ...
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0answers
26 views

Can ubuntu touch scopes access the dbus at any time?

I was thinking of writing a scope for downloading music and video content from its sources, and since there is not yet a UI for the ubuntu download manager daemon, it seems like there is "no" ...
1
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1answer
59 views

Begining Development for Ubuntu (and Linux in General). Where to start? [closed]

I realize this is not particularly a good question to ask here as it is largely opinion based but I'm not really sure where else to post this. Recently, I moved over to Ubuntu as my primary OS and am ...
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1answer
80 views

No Dropbox app on Ubuntu BQ mobile

I use my mobile phone, mainly, for work purposes. At work we use dropbox as a shared drive for documents. Unfortunately there's no dropbox app yet for Ubuntu phone. Do you know if someone's working ...
2
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1answer
23 views

How to solve Bazaar error bzr: ERROR: unknown command “yerenkov-scott”?

I am following this guide to configure bazaar, but I have encountered a small problem, it says to type in the command: bzr launchpad-login subgenius And to replace launchpad-login with your ...
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0answers
16 views

error in uploading click package to ubuntu app store

I am getting the following error while uploading click package (sudoku-touch.prams_0.1_all.click) to https://myapps.developer.ubuntu.com/dev/click-apps/upload/?comment=#submit " The submitted files ...