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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6
votes
1answer
166 views

How to resolve “release command failed” in quickly app hello-world?

I am new to Ubuntu and new to programming. I watched the video on http://developer.ubuntu.com/get-started/ and the video made it look so easy. I followed all the steps and everything was going good ...
5
votes
1answer
295 views

Is there a standard REST API for DBus communication?

I've found this, but I'm trying not to borrow code for my application. The reasoning is that if you're writing a local HTML5 App, you may want to call some DBus api from javascript(like ubuntuone ...
0
votes
0answers
89 views

Problems with Ubuntu One API and PHP

I have a PHP script that backups my servers and send the files to Ubuntu One. It was working fine until yesterday, but it's not working anymore. I found out there was a problem with the authorization, ...
1
vote
1answer
87 views

Quickly produces an error when installing

I ported an application over to Quickly, replacing all the files as necessary. When I say quickly run the application runs without flaw. However, the problem occurs when I try to package/install it. ...
1
vote
1answer
200 views

Set Application Icon

I'm building a QML application with the Ubuntu SDK. I've figured out how to add an application icon to the .desktop file, but I'm not sure where to add the window icon itself. I've seen code for ...
4
votes
1answer
24 views

How do I effectively submit a system level concept for Ubuntu tablet for consideration?

The concept is akin to the implementation of swiftkey in BB10 operating system. It would have to interface with all applications so, while it could gain traction as a standalone application, it would ...
1
vote
1answer
32 views

is there code example or api reference for “convergence”?

I cannot find any code example for writing apps for “convergence”. Does anyone know it where I could find any? Or will anyone give some clue about how to write a convergence app for both phone and ...
2
votes
2answers
137 views

How to Create Ubuntu Desktop html5 Web Apps

How to Create Ubuntu Desktop html5 Web Apps please help me!!!!
0
votes
1answer
508 views

Get Qt WebKit HTML Content in QML

My application is built with QML (Ubuntu SDK), and I need to get the HTML content from a page loaded with a Qt WebView after the page is loaded. Based on some initial research, it would appear that ...
2
votes
1answer
53 views

How Can I Publish Addons on the Ubuntu Software Center

I have a commercial app, and according to the FAQ on http://developer.ubuntu.com, there is a way for me to publish add-ons as seen with many open source applications such as Thunderbird mail. I am ...
3
votes
1answer
214 views

How can I check download statistics for my application?

My very first application, Easy Stopwatch, was published about a week ago in Ubuntu Software Center. I'm curious how many people already downloaded it. If I check https://myapps.developer.ubuntu.com ...
0
votes
1answer
69 views

When completing the form at myapps.developer.ubuntu.com, should I change the Suggested package name?

I am wanting to upload my application to the Ubuntu software center and noticed that the suggested package name looks like a Windows file path, e.g. c:\myappname Should I/does this need changing? I ...
6
votes
1answer
104 views

How can I submit an App to MyApps that is already in a PPA?

All my applications are already in my PPA in Launchpad. Now I want to submit them to MyApps. But MyApps insists in getting something to upload which makes no sense because everything is already ...
3
votes
0answers
121 views

FreshBooks Online Account

I'm developing an application that connects to FreshBook's API. I can either integrate the account authentication process within my application, or I can develop an Online Account that could be used ...
0
votes
0answers
30 views

MB860 Upgrade to Ubuntu

I saw on your video that you are using Motorola MB860 phone as a desktop computer. Can I install Ubuntu to this type of phone for myself? I would create a kit with this phone and a dock with your OS ...
2
votes
1answer
282 views

Are there any synchronization APIs in Ubuntu Touch yet? (Contacts/Calendar/…)

Just wondering if there are any APIs to read/write Contacts/Calendar/Installed Apps/... yet. I thought about writing an OwnCloud Sync app for the showdown that should be able to synchronize all that ...
7
votes
1answer
207 views

Can SDL work on Ubuntu Touch?

Recently, I've see the Ubuntu Touch video here http://www.youtube.com/watch?feature=player_embedded&v=cpWHJDLsqTU I want to try to port my own game (using SDL and OGRE) from PC to Ubuntu Tablets. ...
1
vote
2answers
232 views

I am getting an error while writing my first app as shown in developer get-started tutorial

I am trying to learn to develop apps in ubuntu and currently i am going through this tutorial. As shown in the video I am writing the below given codes: self.refreshbutton = ...
3
votes
1answer
43 views

What does Version mean in the .desktop file?

While submitting an application to the Ubuntu Touch store, I got the following error message. "desktop_Version (Cliffhanger)": { "text": "'0.3' does not match freedesktop.org version '1.0'" } ...
3
votes
1answer
322 views

Buttons in ubuntu touch toolbar

What is the code to have a toolbar with buttons when programing in QML with the Ubuntu Components Module. I want to make it so that when I swipe a finger from the bottom of the screen the toolbar ...
1
vote
1answer
45 views

Ubuntu phone development, where to start? [closed]

I'm a long time Ubuntu desktop user, but new to the development world. I'd like to start getting myself familiar with Ubuntu Touch and learn how to develop apps for it, however I'm a little bit lost ...
1
vote
2answers
79 views

Why OpenDialog.py don't work on Jotty application

I'm a Python beginner, I installed quickly, I wrote a "quickly tutorial" in terminal and I did all the steps before at: "However, the application is not complete. There are a few things left for you ...
5
votes
2answers
613 views

How do I package my application for the Ubuntu Software Centre?

I'm an old hand at software development, but not so experienced with packaging. I've built one dpkg before, but it wasn't a source package. I'm working on getting an application submitted to the ...
0
votes
0answers
193 views

titanium studio in ubuntu 12.04 LTS

how to install titanium studio in ubuntu. step by step the latest one. plss help. im getting an error JVM terminated. Exit code=13 /usr/bin/java -Xms128m -Xmx1024m -XX:MaxPermSize=256m ...
1
vote
1answer
191 views

fakeroot and package building

We have developed a network pub/sub communication suite. It is in use across a number of different applications and domains, most notably on our payloads aboard the International Space Station (ISS). ...
0
votes
1answer
49 views

I get the following errors when I try to install the Ubuntu SDK (ubuntu app development kit)

I use Ubuntu 12.04. I followed the steps given here . 1)When I try to execute the first step " sudo add-apt-repository ppa:ubuntu-sdk-team/ppa && sudo apt-get update && sudo apt-get ...
2
votes
1answer
35 views

What does lint_package_filename_version_match mean?

In a review of a .click package of my app, a message contained the following: lint_package_filename_version_match How can I fix it?
2
votes
1answer
39 views

What does desktop_Exec mean?

In a review for my click package, the message contained this bit: desktop_Exec What do I bear in mind to fix it?
2
votes
1answer
25 views

What does desktop_validates mean?

In a review for my click package, I saw a message containing: desktop_validates What does it mean and how do I fix it?
5
votes
1answer
66 views

What does functional_qml_applicationName_matches_manifest mean?

I submitted an application to the click store but it comes back with this error:- functional_qml_applicationName_matches_manifest What does this mean and how do I fix it?
1
vote
1answer
15 views

What does lint_control_click_version_up_to_date mean?

I submitted an app to the store and it gets rejected with this message:- lint_control_click_version_up_to_date How do I fix this?
1
vote
1answer
33 views

What does lint_package_filename_pkgname_match mean?

I've submitted an app to the click store, but it comes back with this message:- lint_package_filename_pkgname_match How do I fix that?
0
votes
1answer
6 views

What does desktop_Comment_boilerplate mean?

I'm uploading a click package and it's being sent back with the following message: desktop_Comment_boilerplate What does it mean and how do I fix it?
1
vote
1answer
220 views

Qt Creator cannot run HTML5 apps on Ubuntu 13.10, is it broken?

When attempting the Ubuntu HTML5 tutorial on the Ubuntu site, I have just created the template app and am attempting to run it. When I run it, I get this error: Starting ubuntu-html5-app-launcher ...
4
votes
1answer
75 views

What does lint_maintainer_format mean?

In a review for my click package, I saw the following message: lint_maintainer_format What does it mean and how do I fix it?
0
votes
0answers
71 views

Ubuntu touch kernel and android device drivers?

Since the kernel is open source but the android device drivers are not, is there not a way to use existing android drives and compile a new kernel with those drivers like GPS, Bluetooth, Wifi, etc...? ...
10
votes
5answers
3k views

How do I make my java app compatible with the unity global menu?

I like to develop in Java but also want compatibility with the global menu? Is there a way? Please help.
1
vote
1answer
162 views

Ubuntu SDK installation error on Ubuntu 13.10

I followed the instructions from http://developer.ubuntu.com/apps/create/get-the-sdk/. But the installation failed with the following message at the end: The following packages have unmet ...
1
vote
1answer
91 views

Can't install the Ubuntu SDK due to broken qtcreator-plugin-ubuntu dependency [duplicate]

I tried to install the Ubuntu SDK on my Ubuntu 13.10 Virtual machine(VMwarePlayer) by typing sudo add-apt-repository ppa:ubuntu-sdk-team/ppa && sudo apt-get update && sudo apt-get ...
1
vote
0answers
43 views

Recommended way to check/fire alarm in Python (PyGI/PyGTK)

I am learning to develop an application by using Quickly (quickly create ubuntu-application). This application will stay in Application Indicator / Notification Bar and only work when a defined ...
0
votes
0answers
130 views

installing ubuntu sdk error

I was trying to install ubuntu SDK. at first I tried: sudo add-apt-repository ppa:ubuntu-sdk-team/ppa sudo apt-get update sudo apt-get dist-upgrade sudo apt-get install ubuntu-sdk and it says: The ...
0
votes
1answer
19 views

Quickly is Not Packaging My Application?

I Can't Package my Quickly Command Line Application , The Following is The Error Output quickly package --verbose shows the following output /host/cryptonite$ quickly package --verbose running ...
61
votes
7answers
33k views

What is the best way to develop apps for Ubuntu? [closed]

I want to write applications for Ubuntu. I do not know much about programming but I want develop for Ubuntu. I am trying to learn Python right now. What do you think is the best way to develop apps ...
57
votes
6answers
23k views

What is the best place to install user apps?

Occasionally I am installing application with something other than apt-get or the Package Manager. What is the "best practice" location for installing user apps? (/usr/bin/, /usr/local/bin/, /opt/, ...
2
votes
2answers
296 views

How can HTML5 Ubuntu Touch apps access camera and microphone?

I am creating an app for Ubuntu Touch using HTML5. I am opening my HTML page using QtWebKit's WebView and I really need to let the app take pictures and record audio, however, I can't access the ...
1
vote
1answer
137 views

How do I add Webkit webview to the Ubuntu SDK?

I'm trying to do this tutorial for learning and it seems that I have to keep adding things for it to go smoothly. http://developer.ubuntu.com/apps/html-5/tutorial/ I don't have the "rss-sample.qml" ...
11
votes
4answers
3k views

Why Ubuntu.Components 0.1 missing from QTCreator?

First of all i need to create a "hello world" app using QML & QT Creator as described here http://developer.ubuntu.com/get-started/gomobile/ Second, when i was trying to install QML platform and ...
0
votes
2answers
146 views

Are there any tutorials available which would help me learn the concepts of Mobile Development? [closed]

Right now I am working on Asp & C#.net. I am also interested in Mobile App Development and want to start with Ubuntu Mobile development using C#.Net. Are there any tutorials available which would ...
0
votes
1answer
101 views

Changes to the KDE library prevent compiz 0.9.7.12 from compiling

I have been been following a tutorial on modifying existing compiz plugins, but run into the following error when compiling compiz-0.9.7.12: In file included from ...
6
votes
1answer
115 views

Can an app in `/opt/extras` install themeable icons in `/usr/share`?

My application Variety Wallpaper Changer runs from /opt/extras and uses an indicator icon. I would like to make this indicator icon theme-specific. As far as I understand the standard way is to ...