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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development on Ubuntu and Linux in general

I'm from under windows development world. There is a Visual studio there for C and C++ development. In visual studio there is a good UI and I can put breakpoints in the code of the project and watch ...
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23 views

Ideal language & IDE for creating native desktop Ubuntu apps [on hold]

I'm in process of creating a native desktop application for Ubuntu (targeting x86 specifically). I'm considering Vala and QML (with C++ backend). As the app I'm planning to make requires strong ...
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20 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 = ...
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1answer
29 views

I have some philosophical question about the free software movement. [on hold]

Why would people want to work for free? I mean, I specialize a skill to earn something out from it. Right? Actually, from my experiences of PC (microsoft windows) using, I never had to spend a ...
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29 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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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 ...
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52 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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8 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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27 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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0answers
10 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 ...
0
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1answer
25 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
26 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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36 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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41 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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0answers
20 views

Ubuntu freezes with Qt App

Im trying to develop a Qt app in Ubuntu and sometimes (no different set of loaded resources between runs, and just Qt resources, like QThreads or QtGui), when running it, it just freezes the system... ...
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0answers
17 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 ...
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1answer
7 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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0answers
29 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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28 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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0answers
39 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 ...
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2answers
39 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 ...
3
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0answers
119 views

How do I develop a Ubuntu application using the Go language?

I want to develop some application for the Ubuntu platform. But I don't know C++. I can learn QML very easily. The problem is that the logic or process behind the scene in an application seems to use ...
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1answer
35 views

Problem with android studio

I try to install android studio but I found this error. Can someone help me? If I write on terminal sudo apt-get install android-studio Reading package lists... Done Building dependency tree ...
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33 views

Ubuntu touch app with nodejs library [duplicate]

I want to write an application with the library in nodejs. Is there any way to connect QML or C++ with nodejs on ubuntu touch? Edit: I want to write a native application (in QML) and use a library ...
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2answers
104 views

How to solve [Errno 30] Read-only file system

I'm new to this forum, and this is my first question: I bought the meizu MX4 ubuntu edition today. I would like to install Ubuntu SDK. I tried to follow this walkthrough: ...
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1answer
24 views

Cannot git clone Apparmor kernel patches

Whenever I enter (git clone git://kernel.ubuntu.com/jj/ubuntu-utopic.git) into the terminal, I get this output: Cloning into 'ubuntu-utopic'... fatal: Could not read from remote repository. Please ...
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1answer
36 views

Online IDE with an Ubuntu workspace?

Are there any online IDEs out there that have a Linux compiler and/or Ubuntu/Linux workspace? I often work away from home on Linux projects, and usually on Windows PCs, so it'd be great if I could ...
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25 views

How can I create a chromium-like background app?

I want to create an application that (like chromium) creates an icon on the top menu bar and after you close the application, the icon is still there and the application continues running in the ...
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0answers
24 views

How to create application from bash file? [duplicate]

I have bash file, it's about resizing pictures and adding color borders to each picture..it runs in ubuntu 15.04 well..it works on imagemagick..I wanted to make it as application like ubuntu ...
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0answers
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Ubuntu SDK AppArmor issues with opening CSS/JS files from filesystem

I'm trying to create a new app using HTML5/JavaScript with Ubuntu SDK and my new Ubuntu Touch phone. I've managed to run it on my phone, but it doesn't load any styling information and without ...
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Ubuntu snappy software update cycle

I want to use Ubuntu snappy for our project which is basically secure update the application. In the Ubuntu IoT I found that it has the feature of secure FOTA. The basic idea is- we run snappy on our ...
0
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1answer
15 views

.cpp and .h files of new classes are not showing in Ubuntu SDK tree

I've added new classes to my project via Ctrl-N >> C++ >> C++ Class. However, after the files are added to my models/my-project folder, it does not show up on the tree in Ubuntu SDK. Why is this? ...
3
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1answer
216 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 ...
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How to publish Unity Game Engine app (executable binary) to Ubuntu Store?

Quite recently Unity Game Engine (not to be confused with Ubuntu's Unity user interface) added an option to create a linux build. The result is a set of two executable binary files .x86 and .x86-64, ...
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33 views

Is there a reasonable chance of making money on an Ubuntu desktop utility application?

I recently asked this question on Quora. Unfortunately I didn't get much of a reply, so I thought of asking here... Hopefully this question is not off topic, but I want to know if any others here ...
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1answer
59 views

How to write a C++ backend for Ubuntu Touch that can access internet?

Is there anyway to write a C++ backend for an Ubuntu Touch application that can access the internet, and download files? Or do I have to do that through QML, and pass it to objects written in C++?
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1answer
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QML dynamic scoping not working (ReferenceError)

I am trying to reproduce the example here where the TitlePage.qml component creates two TitleText instances even though the TitleText type is in a separate file (under Section: Component Instance ...
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1answer
98 views

Display column values from sqlite db

I am attempting to return all column values from an Sqlite db to a Qchart in qml in Ubuntu SDK - the db contains various fields including kilometres, miles, etc. I would like to return all values in ...
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37 views

Shared libraries in phone apps

I am trying to port this (https://github.com/jobe-m/ownkeepass) keepass app to Ubuntu Phone. I am just at the beginning an want to include the needed libraries and plugins. I didn't write a UI yet. ...
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1answer
18 views

Documentation for GNOME application code?

I want to get involved in GNOME development, however I have one problem, there is such a large amount of code in every package, and so many files and variables that it's really hard to find bugs ...
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1answer
59 views

How do I see examples on the ubuntu-sdk?

The Ubuntu developer website says: For a presentation of Ubuntu HTML5 widgets, check out the HTML5 Gallery App (installed by the ubuntu-html5-ui-toolkit-examples package). You can launch the ...
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14 views

No ubuntu web app inspector

Been using Ubuntu 14.04 LTS release to do some development webapps and the web inspector was there as default. When installing ubuntu sdk on 15.04 and 15.10 there's no web inspector. How can i get it ...
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1answer
30 views

Ubuntu SDK SortFilterModel with variables

I'm developing an app for Ubuntu Touch. I have a large list of items in an xml file and access it using the XmlListModel. I would like to offer some filtering on the list (as it is very large). Is it ...
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1answer
22 views

Automated review failure from store - online_accounts

I'm trying to upload a package to the Ubuntu Software Store that uses Online Accounts. However, it keeps failing automated review with errors like: No JSON object could be decoded. Value: "ERROR: ...
0
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1answer
32 views

ubuntu phone textfield displayed different

I am trying to build a QML application for Ubuntu phone. My form looks ok on screen (desktop), but when I put the app on the phone, the display is off. The borders around my test fields are not ...
0
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1answer
25 views

U1db-Qt not working as expected in ListView (Ubuntu Touch App Development)

Recently, I've been trying to learn how to use the U1db Library (if that's what you call it), but it hasn't been working the way I expected it to work. Here is my code: import QtQuick 2.4 import ...
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59 views

Can I get access to Ubuntu apps on Ubuntu touch if I allow read write access?

Okay so I'm an impatient bastard who realises he should have waited but purchased the BQ HD5 Ubuntu mobile phone back in June whilst being fully aware it didn't have that many apps available as was ...
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1answer
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Curious how a server works

I am currently a high school student who has developed a few iPhone apps that have connected to Parse.com, so I have a little idea of how a... "server" (pre-made) works. But, I do know that's not how ...
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1answer
31 views

“Desktop file does not exist” error when using qmake based template in Ubuntu SDK

Just as the LaunchPad bug says: https://bugs.launchpad.net/ubuntu/+source/qtcreator-plugin-ubuntu/+bug/1512094 Using the Ubuntu SDK template "QML App with C++ plugin (qmake)" or any other qmake ...
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31 views

How to deploy mediascanner to Ubuntu Touch device?

I want to deploy mediascanner https://code.launchpad.net/~ubuntu-branches/ubuntu/vivid/unity-scope-mediascanner/vivid to Ubuntu Touch phone device. I can compile it via cmake and make in SDK etc, but ...