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 Gnome App Store

Now that Ubuntu 16.04 is using Gnome App store are we still able to submit our own apps the same way as before or do we need to submit our apps elsewhere? Many Thanks
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1answer
23 views

What directory should Ubuntu touch apps write to

What directory should Ubuntu touch apps write to. Is there a Qt or QML method for getting this directory?
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1answer
79 views

Get the sum of all values in a specific column of a ListView in QML [closed]

How have the sum of a column in a list view? By example the total cost : ListModel { id: fruitModel ListElement { ...
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1answer
19 views

language learning on ubuntu tablet

I have a linux computer, but i use an android tablet. On my tablet i have a series of apps for learning french and spanish. My favorites are the "fun easy learn" apps which lets you memorize words. ...
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3answers
67 views

New to Ubuntu + Ruby Development + selenium

I am an automation engineer, I've been using java bindings with selenium web-driver on a windows machine for development of automated tests, however, I am switching to Ruby for developing automated ...
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60 views

QML unit testing: running qmltestrunner

I'm on ubuntu 14.04. I installed the Ubuntu SDK IDE. Running a QML App on my Ubuntu phone via the IDE works fine. I'm following this tutorial on testing https://developer.ubuntu.com/en/apps/qml/...
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1answer
171 views

How are Launchpad teams usually formed?

Over time, I answered a number of questions here. Many times, these questions were quite (user) specific and answers were created, writing in an improvising way. In some occasions however, things were ...
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1answer
24 views

Simplest way to check “is app running for the first time”

I am writing an app for the Ubuntu Phone and I want to store a boolean which represents if the App is running for the first time or has it run before. Personally I don't really want to create a full ...
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506 views

Ubuntu Core Snappy on Raspberry Pi 3

Has anyone successfully created an image of Snappy for RPi3? Any SD cards that I've loaded with the Snappy for RPi images, that I've been able to find, don't work with the RPi3, only on my RPi2. I ...
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1answer
32 views

How to build an java applet?

The funny thing is, this code was applied with success on other people's computers after they made the byte code and html file. But my java IDE is running on Android and the compiler threw 17 errors, ...
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41 views

Ubuntu App CMake Build error 255

I have an app in the Ubuntu store called Body Status. You can find the source code on Github. When I open the source code in the Ubuntu SDK to update something and then build it again, I get this ...
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50 views

How to control system volume with C++/QML?

Helo, I want to develop an app. It should control the system volume by day time. I have two questions: How to change system volume in C++/QML? How can I run my app as a service that will ...
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1answer
150 views

Ubuntu SDK Error 'could not find or load the Qt platform plugin “xcb”.'

I am trying to write my first ubuntu app using the Ubuntu SDK but keep running into an error. This error turns up both with QML and HTML5 apps. I am trying this just on the template for both project ...
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26 views

My app is not find in ubuntu software center?

Just now I published my app in ubuntu software center and the status got changed from "Ready To Publish" to "Published" and also i recieved mail for succesfully published my app. But when I searched ...
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1answer
26 views

Ubuntu SDK IDE quits with Segmentation fault when running example code

I installed Ubuntu SDK from ppa:ubuntu-sdk-team/ppa on Ubuntu 14.04 LTS 64bit. Then I created device kit ubuntu-sdk-15.04 armhf. When I try to run with CTRL + R example below from: https://developer....
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Scope department not triggering refresh on click

I've added a department with subdepartments to my scope. It filters fine if I manually pull to refresh after selecting the filter, but it does not trigger by default on the selection. I wasn't sure ...
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156 views

What determines font color of “Pull to refresh” text

As (barely) seen in the my scope screenshot, the "Pull to refresh" font color needs to be adjusted. I'd assume it would be done in the data/app.ini.in file under [Appearance], but I've been ...
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1answer
37 views

How to pass phone number to phone application from scope

I'd like to be able to pass a phone number to the phone application from within a preview of a scope. Is that possible? Is it done with action widgets? Is there an example of this somewhere in ...
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8 views

ubuntu touch using remote debugger in chrome

I have build cordova app in ubuntu touch but as i want to debug it using chrome console. I want to that is there error in loading scripts or how i can read console.log errors etc.
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19 views

ubuntu touch screen-shot api corodva/html/qml

I want to capture screen via ubuntu touch app. Is there any api like camera or other apis which can help capture screen because usually we take screen shot by holding volume up button. It can be any ...
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1answer
41 views

Error During building of a trial Ubuntu App using Cordova

I am trying to develop html5 apps using cordova on my ubuntu desktop 15.10 for my phone which is running 15.04, following the configuration suggested here. However, on the build step in the above ...
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23 views

Cordova build for all architectures

I build an app for ubuntu touch with Cordova and I just realise it's only available for armhf arch. There are other apps on the store available for all architectures. I try to follow this guide : ...
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30 views

FR : Sharing textures between apps like - IOSurface

I want to switch to Linux for my professional projects with real-time vidéo, but the biggest obstacle on the way is the lack of a technology like Syphon on OSX or Spout on Windows. The benefit of ...
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rythmbox player needs a windows program installed?

samba: Depends: heimdal-hdb-api-8 but it is a virtual package Depends: samba-common (= 2:4.1.6+dfsg-1ubuntu2) but 2:4.1.6+dfsg-1ubuntu2.14.04.10 is to be installed Depends: samba-common-...
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1answer
36 views

ubuntu sdk ,run default app on ubuntu phone

I'm trying to run a default qml application on my phone. But it's not working :/ developer mode is enabled. the first error includes this link: error1 Where have I to enter this description? ...
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1answer
84 views

Problem with AngularJS and jQuery libraries in Ubuntu SDK - HTML 5 App

I'm trying to explore the "Ubuntu SDK" and just to test I made a "HTML 5 App". The app need to use angular library (such as: angular.min.js), jQuery library, and angular module for routing (angular-...
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26 views

Proximity sensor in QML - Ubuntu phone

I'm creating application for Ubuntu phone BQ Aquaris E4.5. I want to use proximity sensor to dimming screen, but I can't make it work. I found example how to use it here: http://doc.qt.io/qt-5/...
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nm.d already present while launching multiple lxc application containers. Not able to launch more than 1 container

I want to launch lxc application containers on ubuntu. Am able to launch one container with an application. As am trying to launch second container with same application its giving nm.d daemon already ...
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1answer
12 views

New browser not packaging

I am trying to use 'quickly package' to package a new browser that I have put together as a 'trial run' in my attempt to begin learning how to use python for programming... However, even though I have ...
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1answer
32 views

Issues with CurrencyConverter qml tutorial

I'm trying to follow the tutorial at https://developer.ubuntu.com/en/apps/qml/tutorials/building-your-first-qml-app/ which states, "Select the Projects > Ubuntu > App with Simple UI template and click ...
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26 views

How to Use Gambas?

I recently shifted to Linux and installed Gambas for creating a project , but the navigate command use to code in visual Basic is missing in visual basic it looks something like this WebView1....
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88 views

Need root access for some actions in ubuntu phone app

I am trying to develop an ubuntu phone app that does some things that are not allowed by app armor. If I connect to my phone by adb shell I can do this things without problems and without root. My ...
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1answer
97 views

Ubuntu SDK emulator starts up but the Devices tab says “The device is currently booting…”

I'm trying to setup an Ubuntu emulated device with a click package. But even after the emulator starts up the devices tab show that the device is booting. Pressing the refresh button does not help ...
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59 views

How to install a python script as an application

I have been trying to create a deb package for my python script following these steps. My myscript.py contains a simple frame. #!/usr/bin/env python import wx app = wx.App(False) frame = wx.Frame(...
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151 views

could not find or load the Qt platform plugin “xcb” in ubuntu-sdk

Command: $ ubuntu-html5-app-launcher --www=www Error: This application failed to start because it could not find or load the Qt platform plugin "xcb". Reinstalling the application may fix ...
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23 views

why ubuntu-SDK emaulator is running very very slow?

i make a webapp in Ubuntu-SDK for testing purpose i create a device and try to run my webapp in an emulator the emulator is very very slow.how can i solve this issue.My Ubuntu version is 15.10 64bit....
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1answer
110 views

How to test a javascript scope on a real phone?

I'm developing my first scope, hoping to enter the scopes showdown contest. I've decided to make a javascript scope. I'm having fun with the SDK and following along the javascript scopes tutorial at ...
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1answer
23 views

how to install ubuntu-SDK in ubuntu 14.04 64bit?

i would like to install Ubuntu-SDK in my system.i tried to follow this site this site but i getting the error called package-dependency.i think that link is old.so any body know another way to ...
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1answer
110 views

How to create and build snappy apps ?

I am very new to Ubuntu application development. I have to develop an application for snappy Ubuntu. Now I am confused about how to do it? So here are my few questions. Which language should I use ...
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14 views

Directory Architecture for Desktop Apps

Hey guys the agency is back to submitting desktop software, we have done this before, yet the way of means has seemed to change. I was wondering if you could send me an example of the directory ...
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1answer
57 views

Which aggregator scopes exist in ubuntu scope?

I was thinking about developing an aggregator scope for ubuntu touch, but I can't find a list of some sort that shows which aggregator scopes are already available. On the ubuntu website, they give a ...
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1answer
241 views

What is the difference between libprotobuf-dev and lib-protobuf8

I want to install protobuf for my cpp project, I searched protobuf with apt-cache search protobuf and the result shows blow: libmirprotobuf-dev - Display server for Ubuntu - protocol definition ...
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2answers
98 views

JavaScript scope online accounts - OnlineAccountClient error

I'm trying to run a Unity JavaScript scope which uses online accounts on Ubuntu 15.10 on the Unity Scopes Tool, but I get an error when using the OnlineAccountClient class. I followed the Online ...
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1answer
454 views

Android Studio - empty project after importing from Github

I have a big problem with android studio. Now I'm working on a project and I have to pair the repository from github to android studio. The connection and the clone of the folder went well. I can't ...
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1answer
96 views

Ubuntu SDK error running scope example

I'm learning to create a Scope for Ubuntu Touch with the Ubuntu SDK (installed from PPA) in Ubuntu 16.04. I created a C++ Scope from template. When I'm trying to run I'm getting this error: ...
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70 views

Cannot find boost/type_index.hpp after installing boost-all-dev

I have just installed a fresh copy of ubuntu vivid (15.04), then did the following (filtered history command dump): 18 [2016-01-14 23:32:41] sudo apt-get install clang-3.7 clang-3.7-doc libclang-...
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1answer
31 views

list of available targets for openUrlExternally

Using Qt for my ubuntu touch application and I'm having trouble getting it to launch the text messaging application. using Qt.openUrlExternally('sms:'+carduserphone) carduserphone being a variable ...
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69 views

Ubuntu SDK click package error: Could not find compiled binaries for architecture 'armhf'

I've recently had this error when trying to build a click package for the latest SDK (15.04.1). The app I am trying to build a click for is https://launchpad.net/deliverytracker The app hasn't been ...
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1answer
79 views

How to get the name of connected ios phone in Linux using command

How to get the name of connected ios device name in Linux, or c++ programming. basically, I use the Qt in Linux. and I want to get the name of the connected device name. after a searching in google we ...
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59 views

Ubuntu SDK: Where are the examples?

I am newbie to Ubuntu SDK. Question: I want to see all the 57 Examples, but nothing to find. Screenshot 1: Question: What does these error messages say in plain english? Error1: Starting /usr/...