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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permission denied when starting android sdk

I have been developing Android apps on windows but setting up my PC to develop android apps has been very daunting on Ubuntu 14.04. I followed the steps from this tutorial at xda-developers but on ...
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0answers
22 views

How to create an Ubuntu Touch app with a C++ backend and a QML interface [on hold]

I'm looking forward to the release of Ubuntu Touch and thought it would be nice to contribute a small and free app that I'm also using now on my Android phone. The free and open source app for ...
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1answer
13 views

gtk header files libgtk2.0-dev package paths broken by install directory hierarchy

Ubuntu 14.04 Desktop I installed the gtk 2.0 dev package using apt-get. I see the header files in /usr/include are inside a directory gtk-2.0 (/usr/include/gtk-2.0) instead of the root include ...
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9 views

Mir based desktop sharing?

I am asking this because I am developing a pair programming plugin, and would like to know if Mir has any desktop sharing capabilities either planned or already existing. This would be to share built ...
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0answers
8 views

how do I find out which unity-scope is responsible for which advert

I need to delete the advertising unity scope, before it was just -shopping but it seems there are more now and applications too. Is there a guide somewhere that says what scope is what and how to ...
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0answers
9 views

Nexus mobile fone that run Ubuntu touch [duplicate]

What mobile fone brands that will run the Ubuntu touch? I've search for this nexus and there are few brands like LG, Samsung and Asus.
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1answer
35 views

Pair Programming in Ubuntu SDK?

How do you do collaborative code editing, aka pair programming, in the Ubuntu SDK? I heard you can do this in Vim, and I wonder if the Vim functionality in QtCreator makes this possible.
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1answer
26 views

Building HTML cordova app and running directly on physical device

I've just finished to create simple HTML/Cordova application on Ubuntu. It works fine on the desktop. I just want now to build it, copy to real UBUNTU device and run it (Not from SDK). Which files ...
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1answer
10 views

What does functional_qml_application_uses_friends mean?

In a review for my click package, I saw the following message: functional_qml_application_uses_friends What does it mean and how do I fix it?
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2answers
22 views

How to develop applications for Ubuntu Software Center?

I'm learning python. I have completed first three tutorials recommended by official python page. What are the best steps for me to continue? Should I just continue learning python? Should I start ...
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0answers
9 views

Looking for some starter help for Ubuntu package building

So far I have followed and understand the Ubuntu Packaging Guide and have skimmed through the Debian Maintainers Guide a bit. My question comes down to making my package outside of the normal ...
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1answer
35 views

How to publish a jar application to Ubuntu Software Center?

I want to upload a simple desk toy to the Ubuntu Software Center, I've researched and I can't seem to find the answer. Do I need to upload as .jar or .zip or .deb?? My jar file is an executable jar. ...
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13 views

About is not working in My Ubuntu App for desktop

I have developed the same app "mybrowser" told by Jono Bacon in his tutorial. But when I want to see About it is throwing the following error: Gtk.Window.__init__(self, type=type, **kwds) ...
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1answer
53 views

Execute Javascript Code in Oxide

I'm Looking for an oxide equivalence to this QtWebKit Function: WebView.experimental.evaluateJavaScript() Or WebKitGtk WebView.execute_script() I'm having problems to find documentation about ...
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votes
1answer
88 views

Can I run bash commands from an Ubuntu HTML5 App?

I want to convert some bash scripts into GUI apps using the Ubuntu SDK to create an HTML5 app. Is this possible? Are there any tutorials besides the 'Meanings' one that demonstrate this?
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votes
1answer
37 views

Developing Mir GUI on Ubuntu Server

The question is: How would I develop a C++ GUI application using Mir on Ubuntu server? I've installed all the packages that relate to Mir: mir-demos, unity-system-compositor, libunity-mir-dev, ...
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1answer
28 views

Get rid of orange edge around radio buttons

I am currently working on a GTK+ 3 program and I constantly encounter this rendering mistake. The edges around radio buttons are drawn orange which is especially visible when the window is passive and ...
3
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2answers
58 views

What to learn Ubuntu application development in python, where to start?

I know basic python and i love it. I want to learn how to develop and publish Ubuntu applications in python but don't know where to start (I mean "the standard ways" to do so). It would be good if you ...
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1answer
48 views

Problem with QtWebkit and QML in PyQt5 App Ubuntu for Devices (Ubuntu Touch)

I'm having problems with qtwebkit in ubuntu for devices (Nexus 10) when using pyqt5, the webview element doesn't show, and the application closes. But if I test the same .qml file with qmlscene it ...
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1answer
44 views

Read lines from a text file in QML Qt/Quick

I need open a text file and read it's contents line by line and store each lines in a string list in qt quick 2.2. Can every one help me?
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1answer
18 views

Button Click not recognised in Quickly

I am running quickly 12.80.1-0ubuntu2 and for some reason the apps that I generate no longer recognise button clicks. A few weeks ago I created an application using the ubuntu-application template ...
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0answers
19 views

Qt C++ windowMinimized no reaction on Ubuntu

Heloo all! Me and a friend are creating an app for linux, everyting works but the custom minimize button doesnt whant to work on Ubunutu 14.04, there is no reaction when presed clicked an so on. Any ...
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1answer
37 views

Ubuntu SDK: Template HTML5 app shows warning

I have created a new HTML5 app with the Ubuntu SDK, and whenever I click the Run button, I get the following output on the console: Setting import path to: ...
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1answer
38 views

Why does not app update appear in Software Center?

I have submitted an update (v 1.1.0) for Brightness Controller and it was packaged about two months ago. But it still does not appear in Software Centre. It shows 1.0.1 (the previous version) ...
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5 views

Porting App created using Ubuntu SDK onto an Embedded linux board

I have created an App using the Ubuntu SDK, which I want to port onto an embedded linux based device. The App uses QML and C++. How should I package the app for deployment taking into account the ...
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1answer
23 views

How to make a debian package from ubuntu SDK?

I have created an App using the Ubuntu SDK and now I can't find a way to package it. The documentation says the easiest way to do so is using the publish button located on the left bar in ubuntu SDK, ...
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96 views

module verification failed signature and/or required key missing

I am working on a kernel module, which is working fine. However, looking through dmesg, I see a message regarding my module that module verification has failed (module verification failed signature ...
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0answers
14 views

How do I add C++ Source and Header Files to UbuntuSDK Project?

I am trying to add some C++ Code to an Ubuntu SDK Project which is (GUI) based in QML. Unfortunately I can't seem to understand how I am supposed to do this. Usually QTCreator allows me to right click ...
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1answer
41 views

Ubuntu SDK: QML with C++ recommended App Design Methodology

Are there documented general guidelines for mixing QML with C++ for ubuntu apps? "QML for UI design and C++ for logic" seems to be the trend. Is this the right way forward?
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1answer
17 views

Unable to access i18n in QML app's JS file

I'm having trouble importing the i18n library included in Ubuntu.Components 0.1 for use in a JS file. I initially ran into my question/problem while hacking on the 'Clock' Ubuntu Touch core app, but ...
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2answers
118 views

QML Qt 5.2 problem with mp4 video

I have qt 5.2(ubuntu sdk) installed on Ubuntu 14.04 When I try to run QML code: MediaPlayer { id: mediaPlayer source: "../path/test.mp4" autoPlay: true } VideoOutput { id: video ...
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0answers
15 views

Can a program receive information from a video [on hold]

I'm looking to develop a program that downloads a video(already know how to do that part) then "watches the video" and writes down the words that are on the screen in the video. Think of it as a ...
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0answers
27 views

How to generate final application to publish in Ubuntu Touch Apps?

I created a simple application for Ubuntu Touch, but I do not know how to generate a final package. I click "Publish" and put in the information needed (Name, Maintainer, Title, etc...), but if i ...
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2answers
44 views

Can the C++ API be used to develop scopes for Unity 7?

I want to develop a Unity 7 scope for Ubuntu 14.04. I've found a nice introduction here, but unity-scope-tool depends on Unity 8 which I don't won't to install. As I can see, most of the other scopes ...
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1answer
39 views

How To install kivy for python and its dependencies to build android apps?

I have ubuntu 12.04, I read the documentations and it confuses me, I just want to know what to type in the terminal or what and how to download whatever I need. Please Help.
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0answers
21 views

Deleting a application draft

I accidentally started submitting a click application when I meant to submit a desktop application is there a good way to delete it in the draft state? I searched around the "Manage" menu and I tried ...
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3answers
37 views

Click package validator is missing from Ubuntu SDK!

I can't see an option to validate click packages in ubuntu-sdk. Am I missing something? I'm on Ubuntu 14.04 ubuntu-sdk version : 1.126 qtcreator-plugin-ubuntu version : ...
0
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1answer
39 views

Where does dm crypt keeps crypt list?

If we enable encryption via cryptsetup tool on linux. Where does it keeps the crypt list/ encryption disk sector information etc ? Is it resides inside the LUKS header or device mapper kernel itself ...
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1answer
31 views

What requirements should my App meet in order to be accepted into Ubuntu App Store?

This question attempts to identify the constraints an Ubuntu (Touch) App should consider, in order to be accepted by the App Store. Should it be stable not beta? Should it not allow users to ...
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0answers
88 views

How to deploy my Qt app statically on ubuntu ? It is running on ubuntu 14.04 only

I wrote a application with Qt 5.x and the compiled binary is only working on my development machine running 14.04 on other machines running 14.04 on linux mint 16 I already inserted the CONFIG ...
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14 views

revkit installation [duplicate]

so i need to install this software called revkit on ubuntu 12.10. below are the instructions as per the manual: Requirements RevKit needs a couple of packages which can easily be installed with the ...
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2answers
48 views

Right package for JSON-GLib development headers

During configuration of one project, I got the error: checking for JSON... no no configure: error: You must have JSON-GLib >= 0.14.0 development headers installed to build. make: *** ...
3
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2answers
28 views

How to go back from a PageStack's Page to the parent tab in the UI Toolkit

So in a previous question I tried to use the Ubuntu UI Toolkit to nest a PageStack within the Tabs component. It seemed to work, but it had its quirks, so I'm now trying another option, which in ...
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2answers
82 views

How to hide the header of the Tabs component

I'm writing an app using the Ubuntu SDK, and I've got a PageStack component inside aTabs component. When I load one of the pages inside the PageStack, it all works well, and in the header the name of ...
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1answer
24 views

Ubuntu Touch App File Type

Hello I was wondering what type of app files you can upload to the ubuntu touch app store It is apk files?
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0answers
20 views

QML: How do I set my icon in the Ubuntu SDK with a CMakeLists based project?

How do I set my icon in the Ubuntu SDK with a CMakeLists based project? Do I need a specific type of image file, or can I use just a png?
3
votes
1answer
77 views

Ubuntu SDK QML how to change the background color of TextField

I have a situation where the background color of my QML app MainView causes the textfield entry to have grey lettering on equally dark brown background. This makes it almost impossible to read what ...
2
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0answers
33 views

Ubuntu, gtk 3.10.8, not able to visualize a menubar made by Glade

My problem is that I've drawn a UI with Glade, but the menubar doesn't want to be drawn. Here is the xml, just a sample: please try to check out the properties. It is a very simple menubar but I ...
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1answer
28 views

To run a dialog box as a result of clicking a button in quickly using python

I am developing an application that has various buttons such as addition, multiplication and so on.. now when I click on addition button I want a dialog box to be displayed that has labels n text ...
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46 views

Binding loop error when changing mainView background colors

The background color change works but the errors below shows and sometimes it lags when triggering the change. This is my code: onActiveChanged: { if (pageGastos.active === true) { ...