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
81 views

'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 { ...
1
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1answer
210 views

Ubuntu Touch app development [closed]

I 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 applications have to undergo a ...
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1answer
30 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
78 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
107 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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0answers
42 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
126 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, ...
2
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3answers
536 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
votes
1answer
78 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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0answers
127 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
25 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
372 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 ...
3
votes
2answers
473 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
273 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
votes
1answer
84 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 ...
1
vote
1answer
79 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 ...
1
vote
1answer
250 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
27 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
51 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 ...
0
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1answer
94 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
43 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
41 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
1answer
154 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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0answers
88 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 ...
4
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1answer
218 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
votes
1answer
89 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
16 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"
2
votes
1answer
244 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 ...
0
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1answer
64 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 ...
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1answer
200 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 ...
1
vote
1answer
242 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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1answer
65 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
129 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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0answers
21 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 ...
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1answer
179 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
87 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
311 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
62 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" ...
2
votes
1answer
91 views

How to solve Bazaar error bzr: ERROR: unknown command “*****”?

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 ...
2
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0answers
106 views

Ubuntu Touch HTML5 How to create a fixed header?

How can one create a fixed header when creating a Ubuntu Touch Application with the HTML5 SDK? The api documentation does not offer any help and I could not find any HTML5 examples that were using a ...
0
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1answer
335 views

Can I use Java to develop gui for ubuntu

I'm developing a GUI for Ubuntu using Quickly tool. I'm not familiar with python so can I use Java/C++/C# programming languages?
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0answers
55 views

Ubuntu touch HTML 5 how to create complex headers?

I am trying to build a small html5 app for Ubuntu touch. In general it is rather difficult to handle the html5 code. The design guide gives a lot of suggestions how to build an app, but neither the ...
0
votes
1answer
94 views

UbuntuListView ListItem.Expandable example?

I am playing with the Expandable ListItem components: UbuntuListView { id: myList model: 2 delegate: ListItem.Expandable { expandedHeight: units.gu(20) Label { text: "Expand me" } ...
0
votes
1answer
194 views

Dynamic object creation im QML

I am new to QML and would like to understand how object creation works when splitting code over different files (as it feels like a good code practice). I know I can call property of an item within ...
0
votes
2answers
204 views

Ubuntu touch how to get HTML 5 app template running?

I have successfully installed the ubuntu sdk on my Ubuntu 14.04LTS, I also have installed a desktop Kit and an UbuntuSDK for i386. Afterwards I created a new html5 app. The template given works with ...
0
votes
1answer
53 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.
0
votes
1answer
66 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 ...
0
votes
1answer
406 views

How to install uber APP in ubunto?

I want to install UBER APP in my laptop (OS is Ubuntu). I checked that: Uber is available for download on: iPhone (iOS 7 or newer) Android (Jelly Bean or newer) BlackBerry (BB OS 7 only) Windows ...
0
votes
2answers
323 views

How to run two 'python manage.py runserver' commands of two different folder in a single terminal

I have two different python project placed in different folder (project 1 in pydir1 directory, project 2 in pydir2 directory). Every time, I need to open two new terminal and run the python manage.py ...
0
votes
1answer
71 views

How can I publish my deb files to custom url?

I've seen that some software can be deployed a "deb url" like deb http://dl.google.com/linux/chrome/deb/ stable main The "deb url" could be added via: sudo add-apt-repository "deb ...