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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Running QML/C++ application build with CMake is unable to run from QtCreator or snap package

I am trying to get a QML/C++ application packaged as a snap. I am using CMake as a build system. The application builds fine and I am able to run the executable by double clicking on it. When trying ...
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34 views

Does Ubuntu Touch offer APIs for battery, installed apps enumeration, WiFi and cellular info, OS info, confinement info, etc?

I'm in the progress of porting my existing 'droid app as a native Ubuntu Touch QML + QT5 C++ app. I've tried to find a native Ubuntu Touch or QT5 API for the following goals, but without a luck so far....
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27 views

How to work with QVariant(QJsonDocument) in javascript

I try to write a ubuntu app. My problem is, that i want to fill the ListModel in my qml. ListModel { id: model } i do that by using javascript: fill(database.get()) The database is defined ...
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43 views

How can i build an ubuntu touch app only in c++ (without qml) and with cmake

is there a way to configure a cmake file for building a click-package without qml. i like to start programming in the main function with QApplication and only my own window class. my goal is to write ...
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0answers
23 views

What is the preferred way to store secret data on Ubuntu touch?

I am developing an Ubuntu Touch app which shall connect with an e-mail server. However, I do not know how to store the password so that it is safe, for example from abuse by people buying used phones ...
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1answer
38 views

Which IDE's run on Ubuntu 14.04 and work for Brightscript Development? [closed]

Roku BrightScript is a powerful scripting language that makes it easy and quick to build media and networked applications for embedded devices. The language has integrated support for BrightScript ...
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23 views

Simple Javascript Scope HowTo and Examples

I am trying to develop a simple Scope for Ubuntu Phone (BQ 4.5 particularly). The scope's task should be just to display (and refresh) one web page directly in the scope, i.e. not to open a separate "...
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19 views

Ubuntu SDK validator bug about missing .desktop file from click package

I'm using the latest Ubuntu SDK build (based on Qt Creator 3.5.1) under Ubuntu 16.04 LTS. I'm trying to start a Ubuntu Touch project (QML with C++, using qmake) from scratch, using a built-in example. ...
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27 views

UbuntuUI Html5 api optionselector - how to get and set selected Index? [closed]

I'm trying to use the optionselector in an html5-app. But it seems impossible to get the selected option (index or whatever). I also want to set the index as predefined choice. Here is my html: <...
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1answer
23 views

How to add binary third party libraries in qt creator (Ubuntu-sdk verison of QT-Creator)

I try to write an app for ubuntu unity8 and i use a third party library in that app. My problem is that i would like to use the binary version of that library in my app and not the source files of ...
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1answer
41 views

Create Ubuntu scopes for websites

How do you create a scope in Ubuntu for a simple website wrapper? Please don't judge me I am not a developer, just trying to create a scope for my blog with notifications when a new post is up. ...
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1answer
30 views

What is the common way to save data in a database stucture in the ubuntu sdk

I plan to write an ubuntu app that runs on all ubuntu mobile devices as well on the ubuntu desktop. In this app i have to save some things onto the hard disk via database. What is the common way to ...
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1answer
137 views

SDK: Is bottom edge supported for html5 apps?

I'm planning to write a html5 app (not a webapp) for Ubuntu Touch using Ubuntu-SDK. Is it possible to use the bottom edge navigation in case of html apps?
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1answer
55 views

Ubuntu SDK: Can't deploy to device

I installed the Ubuntu SDK following the instructions given in https://developer.ubuntu.com/en/phone/platform/sdk/installing-the-sdk/ Afterwards I connected my Aquaris M10 (running Ubuntu Touch) and ...
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1answer
43 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 ...
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1answer
31 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?) root@...
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1answer
55 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 ...
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2answers
159 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 ...
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2answers
36 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 ...
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0answers
36 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 ...
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15 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 ...
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59 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 Ubuntu....
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71 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 ...
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0answers
22 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 gopkg.in/...
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1answer
67 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
18 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 /usr/ubuntu-sdk-ide/share/qtcreator/ubuntu/scripts/...
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7 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
30 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
44 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 "/...
4
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1answer
41 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
13 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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233 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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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? python-wxgtk2....
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1answer
75 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
78 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
7 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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34 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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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?
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1answer
88 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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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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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.
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1answer
78 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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1answer
50 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
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1answer
59 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"); m_db.setDatabaseName(":...
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1answer
16 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 ...
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56 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
96 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 ...
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1answer
55 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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31 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
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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?