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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1answer
43 views

It it possible to use apps for mobile? [duplicate]

It is said that mobile OS Android is originated from Linux. It the statement true? And Can I use apps built for Android OS in Ubuntu? Thank you. HELLOVENUS Fantagio.
0
votes
1answer
57 views

How to install uber APP in ubunto?

I want to install UBER APP in my laptop (OS is Ubuntu). I checked that: Uber is available for download on: iPhone (iOS 7 or newer) Android (Jelly Bean or newer) BlackBerry (BB OS 7 only) Windows ...
0
votes
1answer
33 views

How can I publish my deb files to custom url?

I've seen that some software can be deployed a "deb url" like deb http://dl.google.com/linux/chrome/deb/ stable main The "deb url" could be added via: sudo add-apt-repository "deb ...
-1
votes
1answer
37 views

Problem With the Digital Signature Very Important

We are using Ubuntu 10.04 and we have our internet portal that purpose we require digital certificate for authentication. We are using Firefox 24.0. The certificate shows in Firefox's preferences but ...
2
votes
1answer
44 views

Is it possible to specify default images for scopes?

Is it possible to set a default image for scopes? I've created a couple of scopes for Ubuntu Touch that are basically RSS scopes. But the sites they're reading from don't seem to always provide a ...
7
votes
2answers
184 views

What exactly is an “Ubuntu App”, as made with the Ubuntu SDK?

The Ubuntu SDK appears to be only for creating Ubuntu Apps. What exactly is an "Ubuntu App"? The website is very detailed, but I can't see any description of what is meant by an Ubuntu App. I ...
3
votes
2answers
831 views

How to let an icon in the launcher wiggle?

Trying to let my python application inform the user by wiggling or shaking its icon in the launcher, I found: Wiggling seems to be the "urgent animation": How can I change the wiggle time of ...
2
votes
2answers
85 views

How does one get the ambient light conditions in Ubuntu Touch?

I am planning to make an app which would switch between Light and Dark theme based on the ambient light conditions. So if it was a dark room, then the app would switch to a dark theme to reduce the ...
1
vote
2answers
121 views

Using Online Accounts to authenticate against my server

In my Ubuntu QML app I'm trying to use online accounts in order to authenticate against my server. I'm a little confused as to how I should go about doing this. Ultimately I want the user to be able ...
1
vote
1answer
75 views

How to play music when app is not the active app?

I'm working on a music app for Ubuntu Touch I don't know how to keep playing music when my app is in the background or the screen is turned off. Apparently, media-hub is a platform service introduced ...
1
vote
2answers
54 views

Ubuntu.Components for 14.04

I read somewhere that to develop apps using Ubuntu.Components, 14.10 is needed. Is there no workaround to make it work on 14.04? Or is there any older version of Ubuntu.Components for 14.04? If so, ...
0
votes
1answer
34 views

How do I animate using javascript and qml?

I've searched the internet and I can't find a simple guide how to animate ui objects in Ubuntu SDK. Can someone please explain the different parts needed and how they work together? Best Regards / ...
0
votes
0answers
31 views

Can't start application in the Emulator

I created in UBUNTU SDK new project ( QML App with C++ plugin ). I can run it as desktop application, but when I want to start it in the emulator I got following error : ...
0
votes
0answers
24 views

How to install ubuntu 14.04 lts alongside windows 7 on Lenovo ideadpad S510P?

I am trying to install Ubuntu 14.04lts on Lenovo ideapad S510P having windows7. But at the time of ubuntu installation it is not finding existing o.s(windows7) on drive. It is showing empty disk. On ...
0
votes
1answer
499 views

Qt Installation requirements: unmet dependencies [duplicate]

im a linux beginner and used google & Co. by installing the requirements ( http://doc.qt.io/qt-5/linux.html ) for Qt: sudo apt-get install build-essential libgl1-mesa-dev i get the following ...
0
votes
0answers
7 views

How to Record Screen with Webcam? [duplicate]

I was wondering how to record my screen using my webcam what program should I use. If you can tell me the command to install it to. Thanks :)
6
votes
2answers
6k views

How to programmatically get a list of wireless SSIDs in range from NetworkManager

I'm writing a small little app that I want to submit to the Ubuntu App Review board, and one thing I'd like to do is for it to show the names of the detected Wireless SSIDs in a combo box. It's a PyGI ...
-2
votes
1answer
87 views

Software center crashes on Ubuntu 14.04

After I run the software center in terminal it says: bizara@BlackHole2:~$ software-center 2015-02-24 19:27:53,480 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2015-02-24 19:27:54,828 ...
0
votes
0answers
31 views

Error while installing QML app on ubuntu device using QT creator

I am getting following errors when try to install an application on my Nexus 4 having Latest Ubuntu Touch OS. :-1: error: lint_maintainer_domain: (EMAIL NEEDS HUMAN REVIEW) email domain too long ...
0
votes
0answers
7 views

Coby Kyros Mid 9742 is compatible with ubuntu for android? [duplicate]

hello im intresting in installing Ubuntu on my Tablet i want to really be part of the Ubuntu family i was wondering if it possible to install Ubuntu for mobiles and Tablet into this Tablet Coby Kyros ...
0
votes
1answer
26 views

Missing localization of Ubuntu touch for Slovak language

I would like to translate the Ubuntu touch system into Slovak. How to do this ? Where to start ?
8
votes
2answers
1k views

Will Ubuntu Phone support Java?

I'm a Java developer and I was so excited when I heard that Ubuntu is going mobile... But will it support a Java Runtime Environment like Ubuntu Desktop and Windows 8 Pro? A lot of enterprise ...
0
votes
0answers
6 views

Possible to change architecture for published application in myapps afterwards

is it possible to change/add architecture for published applications in https://myapps.developer.ubuntu.com afterwards? Actually: Supported architectures:32-bit x86 But I want to support armhf click ...
-1
votes
2answers
512 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
44 views

How to cause an Ubuntu Touch device to vibrate?

I'm toying with my first Ubuntu Touch app and am trying to enable the phone's internal, umm, "vibrator." How can I go about doing this? Any pointers on how to do this in either C++, JavaScript, or ...
14
votes
7answers
2k views

Wanting to start development for Ubuntu (and most Linux distributions in general), which is suitable? Python or Vala? [closed]

I'm a computer science graduate, and learned languages like C, C++, C# and Java. Though I have more experience with Java. I want to develop for Linux and I'd prefer to develop for GNOME, I'm confused ...
6
votes
1answer
2k views

How to use accelerators in Gtk?

I need to make an application in Vala, using Gtk, that supports keyboard accelerators that can be changed by the user. First, I add an entry to the global Gtk.AccelMap and then set the accel_path ...
8
votes
2answers
8k views

How to use Sublime Text 2 as Quickly default editor?

I used this answer to change the editor used with quickly and it worked, however now,when I type quickly edit the command line stays on the open and does not allow me to enter other commands as long ...
0
votes
1answer
50 views

I Develop a project on “monodevelop” but stuck in debugging it from .exe file. What should I do?

I have developed a project using monodevelop and saved it. The monodevelop as usual created a .exe file of it for me, But problem with the project is that,"It works perfect, When I start debugging it ...
0
votes
1answer
41 views

Installation failed for API

I'm developing an app for sending OSC messages working through the outlet port 4444 and I am using a C API call Liblo. Project page: http://liblo.sourceforge.net Normal install it by running the ...
0
votes
0answers
21 views

How can a button link to an action in Glade involving a text box?

I am developing a Ubuntu program with Glade and I would like the program to interact with text input from the Text Entry widget when the button widget is pressed. How would I accomplish this? On a ...
4
votes
2answers
4k views

Can I sell my PyQt4-app without having a PyQt license?

I would like to sell a Python application that uses PyQt4. The commercial licenses for Qt PyQt cost thousands of Euros together. Do I need to buy a commercial license? Consider this from a ...
0
votes
0answers
75 views

How to deploy web-applications on Openstack cloud implemented on Ubuntu

We have implemented OpenStack Cloud on Ubuntu server edition 14.04.1. We have few virtual instances of Ubuntu Desktop 14.04 running inside the OpenStack compute component. We would like to deploy a ...
0
votes
1answer
60 views

How to extract from a specific column data and sort them as well? [closed]

Need to script some bash commands for the following: Arrange, print and save to a file after sorting countries with (highest to lowest) population for 1962. Arrange for country Angola population to ...
0
votes
0answers
125 views

How do I create a Debian source package for a JavaFx application for the Ubuntu Software Center?

I submitted a native .deb file to the Ubuntu Software Center, but I got the response below from reviewers: Your application is not in the correct archive format. Please provide us with the Debian ...
0
votes
2answers
108 views

Acrobat XI Pro like pdf reader

How do i install a pdf reader like acrobat XI pro which lets me highlight text, has text recognition and lets me combine and convert pdf from and to other formats?
1
vote
1answer
54 views

copy-mangar having auto-poweroff after completing copying/moving operations?

Many Of my friends don't have Internet connection so often i download their stuffs. so sometime the files are too large 20~25 GB's . Which takes hours to copy :) For my convenient is there any way ...
2
votes
3answers
3k views

How can I create a simple debian package from binary?

I have been researching debian packaging, but I can't seem to figure out how to package a C# mono application made up of a single executable and a few resource files. Can anyone help me figure out? ...
2
votes
1answer
26 views

How to open an item in a MainView so that it fills the whole window?

I'm writing an application consisting of several pages. One page is a bit special, because it should fill up the whole screen. However, I cannot get rid of the page header, despite the fact that this ...
1
vote
1answer
84 views

How can I set the User Agent in a webapp?

I have developed a simple web application which is in the click store and available for users to install on their phone. Some websites require a special UA string in order to render correctly and I'd ...
0
votes
0answers
799 views

Unable To Run Cordova Platform add android on Ubuntu 14.04

I tried running both cordova platform add android and sudo cordova platform add android and I get the below error: sudo cordova platform add android Creating android project... ...
0
votes
0answers
27 views

Cross platform developmemt environment

I want to develop a simple application with GUI that can interact(read/write) with a database (mySql). I would like to run the application in Ubuntu, Windows and android. I am expecting answers ...
0
votes
0answers
26 views

Ubuntu SDK - switching to QML design mode crashes application

I'm using the Ubuntu SDK version 'qtcreator-plugin-ubuntu 3.1.1+15.04.20141212.1-0ubuntu1~0utopic1'. When developing an app containing QML code (App with simple UI) I cannot switch to design mode. ...
23
votes
2answers
54k views

How can I install Qt 5.x on 12.04 LTS?

If you want to develop with QML 2.0 and Qt5, the base packages don't seem to exist in repository for 12.04. What PPA should I add? Is it a binary installer? a compile the toolkit yourself? Those ...
3
votes
2answers
100 views

What is in the future for REVU

Now that there is the Post Release Apps Process in place and there is a big push to get new software into Ubuntu, what are the future plans for REVU? Will there be an application review board for ...
1
vote
0answers
62 views

Questions regarding on-screen keyboard app development

I am volunteering some of my time to help get my favorite keyboard ported to Ubuntu, and I wanted to check with the community to see what approach to use for this kind of app. Are there any special ...
0
votes
1answer
256 views

Difference between Scopes and Apps in Ubuntu touch

In the last couple of years I made several apps for Android (Native and with Cordova) and now I want to develop apps for Ubuntu Touch. I am not yet in the possession of a Ubuntu supported phone (I ...
29
votes
7answers
4k views

How do I develop an Ubuntu application in HTML and JS?

I am developing an app and I think HTML and JavaScript are better for the future, but I cannot find any tutorials (I need the app to use the system theme). Are there bindings for Unity, message menu ...
1
vote
0answers
60 views

How do I bundle a python interpreter in my qml app?

How do I bundle a python interpreter in my qml app? I can not use the system's python interpreter due to the nature of Ubuntu’s new Click Packages, and App-Armour. How do I do this?
2
votes
2answers
122 views

Get unique device ID in QML

I need to get a unique ID for the device. I originally thought I'd use the device's imei, but that doesn't seem to return anything: import QtSystemInfo 5.0 DeviceInfo { id: device } ...