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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3
votes
4answers
1k views

GtkFileChooserButton 'Select Folder' mode returns no path

I have added a GtkFileChooserButton to my app via Glade. It is set to folder selection mode. When the widget is clicked it shows a dropdown list of Nautilus bookmarks with an 'other' option in the ...
21
votes
1answer
585 views

How to lock ubuntu device orientation in portrait or landscape from user input?

I am working on a reader app to be used on Ubuntu-Touch. When reading books from the app it would be a helpful feature to lock the orientation in either portrait or landscape. This would be useful ...
1
vote
1answer
48 views

Use the design function of Qt Creator when developing Ubuntu apps

I would like to start developing Ubuntu apps with Qt Creator and I have a few queries when making a simple qml qt app. Firstly, is it normal qml and javascript? Can I use all normal qml and ...
0
votes
0answers
47 views

Adding social networking services to Empathy [on hold]

It seems to be true that a popular software creates new opportunities, and the developers of popular software deserve to be rewarded. I am willing to pay for software which I want to use. It is ...
0
votes
0answers
8 views

EVE Application and APIs are not accessible from a different same network machine

I have an EVE {http://python-eve.org/} Application exposing some of the APIs for an android application that I am writing . The Eve application is working fine when I am accessing the APIS locally on ...
0
votes
1answer
13 views

publish gambas3 programs

I have been using Gambas3 to write some User interfaces, and Ive really enjoyed the simplicity, and speed at which I can write GUIs with. Now i am ready to publish some software. I tried walking ...
0
votes
0answers
137 views

get_iplayer no longer works

I used to use get_iplayer to download previously transmitted BBC programmes to disk. The BBC has now stopped the facility that get_iplayer uses so that it no longer works. It's now offering the Nitro ...
3
votes
3answers
56 views

Juju support for Google Compute Engine GCE

Is Juju supported for Google Compute Engine on the roadmap? If yes, how?
1
vote
3answers
127 views

Photo selector API for Ubuntu Touch

I searched all over the web, but I can't find anything that could help me. I am looking for an API to implement a photo selector in my Ubuntu Touch application. I need something like a File Chooser ...
10
votes
3answers
2k views

Where to store user settings for an app?

If I want my application to store a few settings, that persist when an application closes, then where should I store them? I'm not talking anything complicated: two booleans and a string (although in ...
55
votes
14answers
8k views

What advantages does Ubuntu have over Windows as an environment for programming?

Why is writing a program in text files or via the terminal a better option (as I read) than using IDE(s) like Visual Studio on Windows? Do the features an IDE provides exist there (eg. showing ...
1
vote
1answer
26 views

How to use Apache Cordova API in Ubuntu SDK

I created an HTML5 app in Ubuntu-SDK. Therefore I went to New Project->Ubuntu->HTML5 App. The app is already working but now I wanted to use vibration to give the user a feedback to a certain ...
-1
votes
0answers
21 views

Unable to create quickly package for ubuntu application

I have followed a tutorial and created a small web browser, but on the last step to i am unable to create .deb package for the application lalit@MrL-PC:~/mybrowser$ quickly --verbose package To build ...
1
vote
1answer
41 views

QML app with C++ plugin (cmake) subdirectory

I am developing an Ubuntu Phone application "QML app with C++ plugin (cmake)" but I have so many qml files so I want to separate them by functionality ApplicationName CMakeListes.txt .. app ...
13
votes
1answer
156 views

High-level library for Unity Dash?

I've wanted to write a GTK+ version of Unity Dash for some time. I think it could be useful for Xfce, Gnome Flashback, elementaryOS, etc. Before I start doing anything about it, I'd like to know if ...
3
votes
3answers
731 views

Can I develop a 2D game with just QML?

I have a bit of interest in developing for Ubuntu Touch (I have little to no real coding experience also), but my main interest is trying to develop a 2D game. From my understanding, I would either ...
0
votes
0answers
18 views

How can I change the type of my application?

I generated my first WebApp for Ubuntu Touch. The app appears as an 'Application' in the Ubuntu Software Store which is wrong because it is a 'Web Application'. How can I change the type in section ...
0
votes
0answers
24 views

How to autostart an application on Touch device?

What if you want to distribute some daemons in ubuntu-click packages? What is the preferred way to start them on boot?
1
vote
2answers
32 views

is there any app for backup/ restore installed apps in ubuntu?

For some reasons, you will need to do an ubuntu fresh install on the same PC/laptop by re-size partitions, or in other PCs/ laptops. Installation is OK, but it spends a lot of time for installing apps ...
0
votes
0answers
10 views

How do I configure the Ubuntu SDK to use a proxy cache?

The Ubuntu SDK sets up emulators for me, which seems to involve a call to click chroot which then runs debootstrap. How do I pass through my proxy server settings through to debootstrap? I want to do ...
1
vote
1answer
63 views

Compiling and running camera-app with Ubuntu SDK

Got camera-app, revno: 542. Host - 14.04, Ubuntu SDK. Target Desktop getting runtime qml error when trying to run the 'camera' run configuration: ...
0
votes
1answer
37 views

Ubuntu SDK - Example clocks wont run in emulator

I'm trying to start the example "clocks" from the ubuntu SDK in the phone emulator. After adding the emulated device, booting it and pressing play nothing happens. How can I found out what is going ...
0
votes
1answer
41 views

Qt Multimedia doesn't seem to work on Touch

Using Qt package 'Multimedia' to get cameras on the bq phone: QList<QCameraInfo> cameras = QCameraInfo::availableCameras(); cameras.size() always returns zero. Host 14.04, target 14.10, Qt ...
0
votes
1answer
28 views

File storage location for ubuntu application

In my application I plan to store files locally ( exported files ) and import files which user copy via USB to the disk. Where to locate such application files ? Is there some recomendation ?
0
votes
1answer
117 views

Programming Linux [closed]

I want to make an application in c#, or in c++ or in what ever programming language even in script language as bash. The application will ask for an answer, e.g. 1+1? and the password will be 2 If ...
1
vote
0answers
13 views

Can ubuntu touch scopes access the dbus at any time?

I was thinking of writing a scope for downloading music and video content from its sources, and since there is not yet a UI for the ubuntu download manager daemon, it seems like there is "no" ...
1
vote
1answer
53 views

Begining Development for Ubuntu (and Linux in General). Where to start? [closed]

I realize this is not particularly a good question to ask here as it is largely opinion based but I'm not really sure where else to post this. Recently, I moved over to Ubuntu as my primary OS and am ...
-2
votes
1answer
51 views

No Dropbox app on Ubuntu BQ mobile

I use my mobile phone, mainly, for work purposes. At work we use dropbox as a shared drive for documents. Unfortunately there's no dropbox app yet for Ubuntu phone. Do you know if someone's working ...
1
vote
1answer
82 views

Ubuntu Touch QML API : PageHeadStyle

I'm looking for some help to use PageHeadStyle components which is available in Ubuntu SDK. If somebody has example, I will be grateful. Thanks.
2
votes
1answer
21 views

How to solve Bazaar error bzr: ERROR: unknown command “yerenkov-scott”?

I am following this guide to configure bazaar, but I have encountered a small problem, it says to type in the command: bzr launchpad-login subgenius And to replace launchpad-login with your ...
0
votes
0answers
10 views

error in uploading click package to ubuntu app store

I am getting the following error while uploading click package (sudoku-touch.prams_0.1_all.click) to https://myapps.developer.ubuntu.com/dev/click-apps/upload/?comment=#submit " The submitted files ...
2
votes
0answers
49 views

Ubuntu Touch HTML5 How to create a fixed header?

How can one create a fixed header when creating a Ubuntu Touch Application with the HTML5 SDK? The api documentation does not offer any help and I could not find any HTML5 examples that were using a ...
0
votes
1answer
29 views

UbuntuListView ListItem.Expandable example?

I am playing with the Expandable ListItem components: UbuntuListView { id: myList model: 2 delegate: ListItem.Expandable { expandedHeight: units.gu(20) Label { text: "Expand me" } ...
0
votes
1answer
62 views

Can I use Java to develop gui for ubuntu

I'm developing a GUI for Ubuntu using Quickly tool. I'm not familiar with python so can I use Java/C++/C# programming languages?
26
votes
7answers
7k views

How do I develop .NET apps on Ubuntu?

at college we use Microsoft .NET for developing applications. I recently switched to Ubuntu and would like to know similar tools for making apps on/for ubuntu.
0
votes
0answers
31 views

Ubuntu touch HTML 5 how to create complex headers?

I am trying to build a small html5 app for Ubuntu touch. In general it is rather difficult to handle the html5 code. The design guide gives a lot of suggestions how to build an app, but neither the ...
0
votes
2answers
46 views

How to run two 'python manage.py runserver' commands of two different folder in a single terminal

I have two different python project placed in different folder (project 1 in pydir1 directory, project 2 in pydir2 directory). Every time, I need to open two new terminal and run the python manage.py ...
0
votes
1answer
280 views

How to use Ubuntu QML Dialog or other Popup without any buttons?

I am trying to make a modal popup where all there is is a progress bar, and when the progress bar is full it automatically closes, Dialog and the other popups don't seem to even show unless you set ...
0
votes
2answers
73 views

Ubuntu touch how to get HTML 5 app template running?

I have successfully installed the ubuntu sdk on my Ubuntu 14.04LTS, I also have installed a desktop Kit and an UbuntuSDK for i386. Afterwards I created a new html5 app. The template given works with ...
0
votes
1answer
32 views

Dynamic object creation im QML

I am new to QML and would like to understand how object creation works when splitting code over different files (as it feels like a good code practice). I know I can call property of an item within ...
0
votes
0answers
20 views

spinner not working in Quickly App

I'm developing an Ubuntu App using Quickly, I want the spinner to rotate when I press start button but It's not working. I have used the following code: # Code for other initialization actions ...
0
votes
0answers
21 views

Can we redirect the output of a program from terminal to the Quickly app?

Can we redirect the output of a program from terminal to the Quickly app, So that the output of my program will be displayed in the Quickly app? # Code for other initialization actions should be ...
0
votes
1answer
42 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
49 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
830 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
82 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 ...