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 do you make the background of a dragged ListItem opaque?

The new ListItem has drag-and-drop capability built-in. By default, though, dragged items have a transparent background, which looks awful. (Why would this be the default?) The ListItem has a color ...
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195 views

How to access local music files/directory with HTML5 Ubuntu App?

I'm building an Ubuntu app in HTML5, using the Ubuntu SDK. From what I can tell, I should be using contentHub to access music files in /home/Music/, however I can't make heads or tails of the API. ...
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99 views

Ubuntu SDK and shared.h

I'm trying to make some experiments with the Ubuntu SDK and I found a problem with the sample files. If I create a new app, I can compile and run it without problems. If I try to select one of the ...
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39 views

Ubuntu Mysql Server and Netbense Java Project Connectio Error

@ I Installed Ubuntu Server 14.04.3 LTS (using VMwear Workstation).... Static ip details() address 192.168.137.xxx broadcast 255.255.255.0 network 192.168.137.0 ...
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69 views

How can I save the CurrentItem of Picker in QML?

Helo, I defined in mainView the following functions: property var db: null function openDB() { if(db !== null) return; // db = LocalStorage.openDatabaseSync(identifier, version, ...
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31 views

Which click framework should I target?

I am developing some apps for Ubuntu Touch, and one part that I am confused on is how the click build targets work. Which one should I target? Do they follow the same support schedule as the rest of ...
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7 views

looking to reinstall ZTE P7431 image

i´ ve been looking to set up my invironment to work on an android device which infact does n´t boots up, Ive been checking the android out with a root program, and rasy adb to check out it´s files ...
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19 views

Publish button on Ubuntu-SDK not working

I am new to Ubuntu development. I am developing an application using HTML5. Its all set and running as required. But when I click on Publish button, nothing happens and screen freezes there. I am ...
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74 views

Error when running ubuntu phone emulator

I can launch the emulator in the devices tab, without any error. But when i try to run any html5 program/example, in the application output shows Warning: Permanently added '[127.0.0.1]:10000' (RSA) ...
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135 views

How to compile C/C++ applications for the Ubuntu BQ E4.5?

I run on my BQ E4.5 below the HOME of phablet in a jail a Linux based on vivid for ARMHF which is build as: $ mkdir myRoot $ cd myRoot $ sudo tar xzf ../vivid-preinstalled-touch-armhf.tar.gz $ sudo ...
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25 views

Use Ubuntu Lap(desk)top+UMTS-HSPA datamodem as SMARTPHONE

I have been advised to ask my question in Lanuchpad here too. I find that Ubuntu is focussing particularly into Smartphones / Calling Tablets. Very well. But I want to use our existing ...
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48 views

Why does click package validation fail?

I'm trying to publish an app for Ubuntu touch, but I can't get past the validation phase. I'm using Ubuntu SDK. The current build configuration is for device (armhf). I was able to run the app on the ...
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186 views

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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29 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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14 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
235 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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197 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
148 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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41 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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1answer
126 views

Ubuntu SDK unable to start in Ubuntu 15.04

in Ubuntu 15.05 I installed Ubuntu SDK, but I can't start it. I installed in Terminal: sudo apt install qtcreator-plugin-ubuntu And all dependencies. 292 new installed When I try to start in the ...
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269 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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122 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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38 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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52 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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348 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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47 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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122 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
77 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
40 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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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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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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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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41 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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125 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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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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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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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 ...
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1answer
82 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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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 ...
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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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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 ...
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1answer
40 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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15 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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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
93 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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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.
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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 ...
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1answer
572 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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1answer
202 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?