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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Go app won't compile in Ubuntu SDK

I'm trying to create a new Ubuntu Touch App with Go and QML using the template in the SDK. The application won't build and gives the following error. 17:41:47: Running command go get -d -u ...
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0answers
9 views

Running Ubuntu Touch applications in command line for gdb debugging?

I have already seen some answers related to this, but they didn't bring me to a definitive answer, so I'm going to try again. Basically, my question is: how can I run Ubuntu Touch applications from ...
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0answers
6 views

Ubuntu SDK unable to start javascript scopes : module “Ubuntu.Thumbnailer” is not installed

I'm trying to create an Ubuntu Phone scope. But I'm not able to run them on the desktop target. I have the following output: Starting ...
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0answers
5 views

Unable to start first template on Quickly

So I'm fairly new to linux and truly have no idea what I am doing half of the time I do something however I started attempting to use quickly to see if I can make a little note taking program for ...
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1answer
21 views

Automated UI tests for Ubuntu

I wrote automated tests for user interface on Windows using Visual Studio. Is there an equivalent solution for Ubuntu?
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1answer
21 views

Can't build click package (Ubuntu SDK)

Whenever I try run an app via the Ubuntu SDK it gives the following error under the "Compile Output" tab: Makefile:391: recipe for target 'install_desktop_file' failed 09:39:38: The process ...
3
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1answer
17 views

Add a python dependency to to a snap package

I am creating a snap app and I need to install a python dependency using pip3 install <lib> How can I do it using snapcraft? Thanks
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0answers
12 views

Ubuntu app development with HTML, CSS and JS [duplicate]

I Know HTML,CSS and JavaScript. Is it possible to create a desktop app for Ubuntu with these languages? If it is possible, how? Please suggest some Websites for learning and refer me to some sample ...
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106 views

java not found when running Ubuntu 16.04 desktop snappy app

When running this script from within a Ubuntu 16.04 desktop snappy application I get the message /usr/bin/java not found. Also, the application does not create the files and folders in my Documents ...
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12 views

How to add two alternative dependencies in control file? [duplicate]

The software depends on any of python-wxgtk2.8 or python-wxgtk3.0. What should be in the dependency field in the control file so that any one (which is available) of them is installed? ...
1
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1answer
49 views

Are paid and proprietary apps being discontinued?

Previously developers could submit paid and proprietary apps to Ubuntu Software Centre via MyApps section in developer.ubuntu.com. However, the new software centre in Ubuntu 16.04 does not support ...
2
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1answer
57 views

Can I develop code on my bq Ubuntu tablet and compile and run it on the tablet?

Is there any reason I cannot use my bq Ubuntu tablet in desktop mode to write, compile and run code for Ubuntu development?
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5 views

Non-existent property tools in Page

I have a code which used to work but after I upgraded to (K)ubuntu 16.04 and the latest Ubuntu-sdk, it doesn't work anymore. I get error Cannot assign to non-existent property "tools". This is my code ...
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12 views

Ubuntu Xenial: perf doesn't demangle C++ symbols

Linux perf-tools don't seem to work as expected on Ubuntu (16.04). C++ symbols don't get unmangled, I only see garbled stuff like "_afki34334ldfjkdasf_dfkj". Note that I have compiled the program and ...
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0answers
26 views

Which programming language should I learn to create desktop application in Ubuntu? [duplicate]

I am an Ubuntu enthusiast. So I want to create my own desktop application so which programming language should I learn and which ide to use?
3
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1answer
76 views

Where are localized interface names of launcher items defined if they are not in the .desktop file?

Naming of a launcher - In most cases... The interface -name of a launcher, in most cases, is defined in the (first) line, starting with: Name= of its corresponding .desktop file: - Localized ...
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20 views

Ubuntu phone - how to store data when writing HTML5 app - preferred way

I started creating a simple organizing app for myself, and hit a brick fairly quickly. Wanted to have an XML list of things that would be read and updated by a HTML form. Now I came through ...
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0answers
16 views

Execution of Python Script from C++ project in Ubuntu SDK

I have a python script by name random.py which needs to be ran from code which is written in C++ language in Ubuntu SDK. I tried various methods like using process and process functions but in vain.
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1answer
58 views

Ubuntu's best utilities for programmers [closed]

I have been working in Windows for many years, now I'm interested in using a Linux OS, so I am starting with Ubuntu. Can any experts recommend some apps that will help in programming? My programming ...
4
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0answers
24 views

How to package a browser plugin and a gui app in a snap package

My app is a gui app (qt) and a browser plugin. The plugin is used only for firefox. When the user clicks a button I want to open my gui-app. I would like to use a snap package to do this, but I can ...
3
votes
1answer
44 views

How can I use sqlite3 in my Ubuntu Phone app? (C++ backend)

I want to create an app, which has a C++ backend and uses sqlite3. I can connect to an Database in memory using the following code:m_db = QSqlDatabase::addDatabase("QSQLITE"); ...
-1
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0answers
70 views

How do one setup a private ubuntu snappy snap repository

I'm currently trying to build a gadget, and include a built-in app. I read some places, that there should be support for private snaps in Xenial 16.04? How do i setup private snap repo? snap.yml ...
1
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1answer
13 views

investigation of librsvg-dev

While testing the node-librsvg, which provides a node interface to convert svg to png images using librsvg-dev, I realized that it works really well on Ubuntu 12 , but some images can not be converted ...
0
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0answers
34 views

Developing Web App in Cordova for Windows and build .click package for Ubuntu Touch

I just realized a Web App using Cordova for Windows. Cordova permit me to build an installation package for "Windows Phone" and "Android" devices. I know that to create a .click package the ...
0
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1answer
80 views

Why is the Ubuntu-for-Windows default shell a root shell? [closed]

From day one of using Linux we are told that running as root is extremely dangerous. Here we are though on day one of introducing Linux to a wider audience by enabling it in Windows 10 we provide the ...
0
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1answer
28 views

I need Ubuntu.Components 1.3 for Ubuntu 14.04

Newbie here. Been an IAR baremetal embedded guy for years. Ubuntu transition is painful. I've installed Ubuntu 14.04. I've installed SDK and Qt Creator and I'm trying to build...anything. ...
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26 views

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
1
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1answer
20 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?
2
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1answer
69 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 { ...
0
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1answer
15 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. ...
0
votes
3answers
43 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 ...
1
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0answers
40 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 ...
6
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0answers
129 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 ...
1
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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 ...
3
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0answers
320 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 ...
0
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1answer
29 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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0answers
31 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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0answers
42 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 ...
1
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0answers
72 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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0answers
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 ...
0
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1answer
24 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: ...
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0answers
10 views

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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0answers
150 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 ...
1
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1answer
30 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 ...
0
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0answers
6 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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0answers
13 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 ...
0
votes
1answer
30 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 ...
0
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0answers
20 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 : ...
0
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0answers
19 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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0answers
11 views

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: ...