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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1
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1answer
512 views

Ubuntu SDK open file dialog

I've started playing with the SDK to start developing an application. The application will be something that will allow me to filter records in an CSV file by a search term. But does a file dialog ...
0
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2answers
22 views

What archive type are ubuntu click packages?

Deb files and RPMS are at the end of the day zip files with files inside of them in a particular place. I was debugging one of my applications and wanted to look inside of the click package but it ...
1
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1answer
38 views

How to create single file application?

I only know how to create .desktop application that is associated with .sh file. I want to create an executable application that doesn't call any file. A simple example would be: an application that ...
28
votes
2answers
758 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
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1answer
21 views

How to add qt qmake version 4.8 to qt creator?

I have Qt creator 5.4.1.I have qmake 5.4.1 but I wan to add qmake 4.8 for desktop version.How could I do? I install gcc4.8,but I don't know Is qmake install?(if it installed so where was it?) ...
1
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1answer
32 views

No video shown in Ubuntu Touch QML app video player

I'm trying to play a video in an Ubuntu Touch QML app. The audio plays, but no video is shown. A minimalistic version: import QtQuick 2.4 import Ubuntu.Components 1.2 import QtMultimedia 5.5 ...
15
votes
4answers
6k views

How can I theme my Qt app to resemble one written in Gtk?

Mark Shuttleworth recently blogged about the decision to include the Qt libraries in the 11.10 release, with a followup from Jono Bacon. The thing that puts me off Qt apps is that they don't blend in ...
3
votes
1answer
157 views

How can I store the value a user enters in a variable?

How can I store the value a user enters in a variable? For example I have this code: TextField {width: 37; height: 19 var id: q1 ...
1
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1answer
317 views

Ubuntu SDK installation error on Ubuntu 13.10

I followed the instructions from http://developer.ubuntu.com/apps/create/get-the-sdk/. But the installation failed with the following message at the end: The following packages have unmet ...
1
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2answers
65 views

Is there a Wine equivalent for Android apps?

As Android is gaining more and more users every day (and Windows losing some), i consider reasonably fair for me to ask: Is there ANY Wine equivalent for Android apps? I'm not asking for native linux ...
4
votes
1answer
35 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
300 views

How to create a custom splash screen for a program?

I am currently building a client for our users at work with Ubuntu MATE 15.10 and Plank as a dock. But when I click for example the Firefox icon in the dock nothing happens until it suddenly pops up ...
0
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0answers
207 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 ...
1
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0answers
6 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 ...
1
vote
0answers
49 views

Build an Ionic application for ubuntu phone as click package

Hello fellows I have the following application: https://github.com/kawai-developers/faster And I try to build it as a scope for ubuntu phone I managed to add the platfrom for ubuntu with the ...
0
votes
1answer
48 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 ...
2
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0answers
24 views

I want to compile apps for Ubuntu-Touch. What are some good resources?

I have an Acquarius M10. I want to try to compile x11 apps for use on my tablet. I am especially thinking of things like xournal. What are some good resources for me to start learning about how to do ...
1
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0answers
10 views

Is it possible to run and show the app on a device with snappy core?

The question is as simple as show the app writen for snappy/ubuntu core on a device running snappy/ubuntu core. Like the Raspberry Pi 2. Is this possible or am I better off running Ubuntu Mate on the ...
0
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0answers
31 views

Qt Creator missing Ubuntu Download Manager - how to install?

I am trying to use the Ubuntu Download Manager (https://developer.ubuntu.com/api/apps/qml/sdk-15.04.1/Ubuntu.DownloadManager.DownloadManager/) in Qt Creator by entering the line: import ...
0
votes
1answer
44 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
votes
0answers
28 views

Error Creating Click Target armf/15.04

On Ubuntu-SDK, when i try and create a click target for armfh on Ubuntu 15.04, i get the below error. I am on Ubuntu 16.04 LTS release. Any help will be appreciated. E: 10mount: mount: /dev/sdb7 is ...
1
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0answers
17 views

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 ...
0
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0answers
15 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 ...
3
votes
2answers
323 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
27 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
30 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
23 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
0
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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 ...
1
vote
1answer
282 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
59 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 ...
0
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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
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1answer
72 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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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
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0answers
18 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
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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
votes
1answer
77 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
79 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 ...
1
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0answers
22 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
36k 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
49 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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1answer
22 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
19 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
73 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 ...
1
vote
1answer
14 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
228 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?
0
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0answers
40 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
87 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 ...