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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0
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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 ...
0
votes
0answers
4 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 ...
3
votes
2answers
297 views

How do I simply run an ubuntu touch app from the terminal?

I've got a qml file and I just want to ssh to the phone and do qmlscene myfile.qml Is it possible without doing all that stuff with SDK and packages? Just vim and some simple commands that can fit ...
1
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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?
11
votes
3answers
3k views

Are there any standard icons for qml-app-development?

I am developing a qml-app and I want to put icons on the buttons. I would like to use ubuntu standard icons to get the real ubuntu look for my app. How can I do this?
0
votes
1answer
19 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 ...
-1
votes
3answers
2k views

How to uninstall firefox developer edition in ubuntu

How do I completely uninstall Firefox developer edition, I tried by uninstalling from Ubuntu software center, it gets uninstalled but if I re install firefox then again its switching to Firefox ...
3
votes
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 ...
0
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0answers
100 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 ...
0
votes
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. ...
1
vote
1answer
245 views

Python NameError: global name 'resolution' is not defined

I'm working on developing a python application for Ubuntu that enables a user to have their desired resolution without requiring graphics drivers. In order to do this I've been using xrandr. However ...
1
vote
1answer
48 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 ...
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0answers
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? ...
2
votes
1answer
56 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?
0
votes
0answers
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 ...
0
votes
0answers
11 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 ...
0
votes
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
votes
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 ...
0
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0answers
73 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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0answers
19 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 ...
46
votes
4answers
35k views

Gradle in Ubuntu for Launchpad

It appears that Ubuntu doesn't have new versions of Gradle in their repositories for some reason. I need it for a project that will be build by Launchpad. What should I do about this?
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
vote
1answer
19 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?
0
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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.
-2
votes
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
votes
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 ...
1
vote
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
votes
1answer
191 views

unable to locate mingw32

I'm trying to compile from source everything I need in order to build Ubuntu touch for my Samsung Galaxy Tab 4. I used to guide from the Ubuntu web site and when I enter this command: $ sudo apt-get ...
8
votes
4answers
3k views

How to create a scope?

I'd like to create a custom scope that searches and returns results from an online source for personal use. Is this possible? And if so, how?
-1
votes
0answers
69 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 ...
0
votes
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
votes
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 ...
6
votes
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 ...
0
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0answers
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
26
votes
2answers
695 views

How to develop a System Indicator for Unity?

This is not a duplicate of How to create Unity indicators?. I'm looking for system indicator not application indicator. Backgound: From these two questions: How do I add or manipulate ...
1
vote
1answer
483 views

Ubuntu.Components version 1.1 is not installed

Anyone knows why I'm getting this error? I do have Ubuntu Components in /usr/lib/x86_64-linux-gnu/qt5/qml I'm on Ubuntu 14.04. Installed the SDK through the PPA. Last time I installed SDK from the ...
2
votes
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
votes
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
vote
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 ...
5
votes
2answers
1k views

When should .mo files be generated?

I am creating a python GTK3 program. I'll like to add translation support. I know how to create a .pot and .po file. However in order to make the application available in multiple languages, I need to ...
1
vote
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
votes
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 ...
21
votes
4answers
7k views

Can I develop ubuntu for phones apps in Python? [duplicate]

Does anyone know if we can develop apps for ubuntu for phones in Python ? PyQT / PySide would seem to support also QML. But can we use them on the phones ?
1
vote
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 ...
0
votes
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, ...
1
vote
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 ...
1
vote
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 ...
0
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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 ...