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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How to keep model and view in sync for a QML List Item?

I have a list with multiple selection and a button. All list items are checked. When I click the button, I want the second item to become unchecked. I am also changing the displayed text (just for ...
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20 views

Develop on Ubuntu Phone

Is it possible, and if so, how can I develop/run qml-apps using only my Ubuntu phone? As example I refer to the Terminal-IDE apps on android... I have tried the Terrarium app but that's only to ...
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10 views

Ubuntu touch sdk and qmake

I have such structure in my project: core-lib desktop-client android-client ubuntu-client and so on... How do I specify in profile, which projects to include for builds? For example for ...
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1answer
42 views

Cannot start Qt Creator after updating to 15.04

My Qt Creator (from ubuntu-sdk) won't start after updating to 15.04. It gives this dialog after the window has opened: [3]+ Segmentation fault (core dumped) qtcreator Also I don't ...
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108 views

No avds found by ./emulator -list-avds . Do i need to install avds? How to do so, if yes?

I have installed android SDK in /opt. When i run: cd /opt/Android/android-sdk-linux/tools sudo ./emulator -list-avds I do not get anything printed on terminal. But from Android Studio under SDK ...
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2answers
53 views

Android program execution in studio not detecting installed KVM

I have installed KVM for virtualization for AVD in studio, after running the following command: kvm-ok The output is: INFO: /dev/kvm exists KVM acceleration can be used So, by all this i can ...
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21 views

Is it acceptable code style to leave binding loops in QML applications?

Backstory: I am working on a patch for the ubuntu-filemanager-app that will shrink the fontSize: for a Label {}, if the width: is larger than the window size. Think this: Label { id: myLabel ...
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36 views

App permissions

I am developing a simple sound recorder using Qt Creator. It uses the QAudioRecorder class and Qml. The app compiles and runs on the desktop during testing and I am able to play back the recorded ...
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64 views

Windows phone app developer

I was using visual studio before for developing windows phone apps but now that i have shifted to ubuntu i have no access to any IDE for developing windows phone apps ... i tried mono studio but i ...
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26 views

How to get and install qt header and libraries in specific folder?

Where do I get qt header and libraries from? And then how do I install qt header and libraries in specific folder?
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29 views

QML app developpement, how to access system organizer (events)

I searched for a long time about this but can't find something relevant. I'm starting to develop with Ubuntu SDK and QML. I would like to access the system organizer in order to read the next events ...
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19 views

How do I load directory in geany using Treebrowser plugin?

When I searched on Google for loading directory in Geany IDE, the very first result was the Treebrowser plugin for Geany. I have installed it and activated it from the plugin manager in Geany. Now, ...
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91 views

I want to run a script on boot system Ubuntu 14.04 Server

I've done anything like this I made a symlink in /etc/init.d sudo ln -s /home/sts/erp-enterprise/bin/jleaf-apps /etc/init.d then I run the command $ sudo update-rc.d jleaf-apps enable then ...
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33 views

How to use Ubuntu.Components.Icon?

I am using the Ubuntu.Components.Icon component from Ubuntu SDK to display an icon (as a map marker). I also tried to place the component on a blank page, but I alays get the same error: ...
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48 views

can't deploy application to emulator : SFTP initialization failed: Server could not start SFTP subsystem

Such error I got when try to run my app in emulator : 11:01:33: Connecting to device... 11:01:34: SFTP initialization failed: Server could not start SFTP subsystem. 11:01:34: Deploy step failed. ...
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1answer
43 views

QML WebView does not want to start in Emulator

When opening WebView in emulator I got this: LaunchProcess: failed to execvp: /usr/lib/arm-linux-gnueabihf/oxide-qt/chrome-sandbox
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1answer
31 views

Quickly fails to package help pages

I have been working on making a program (jekyll-helper) using Quickly and a while ago I worked on adding some content to the default help pages. I tested out open the help pages in the program while ...
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2answers
134 views

How can I create a debian package for MediaWiki 1.25.1?

I would like to create an easily installable debian package (.deb file) for MediaWiki 1.25.1 as I know from personal experience that for web programming noobs like myself, installing MediaWiki can ...
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1answer
19 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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27 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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51 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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18 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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65 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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83 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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23 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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129 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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1answer
52 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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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
41 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
40 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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36 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
25 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
84 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 ...
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9 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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16 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 ...
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1answer
36 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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22 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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14 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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31 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 ...
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1answer
57 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" } ...
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25 views

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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23 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
49 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
51 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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41 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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41 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
526 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
81 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?