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
29 views

Weird bug in qml and oxyde

I have made an app with this source code: http://pastebin.com/zMwtusZJ However when I try to run the app the webview instead becomes black and does not load the web page. Here is the crash output: ...
-1
votes
2answers
103 views

How many Applications do Ubuntu have? [closed]

I am wondering how many applications Ubuntu have in total.
0
votes
1answer
33 views

How do you return a list of the current project folders and files of your current project in QtCreator?

I think Qt must have this, because QtCreator has a list on its sidebar: Ideally I am just looking for a Qt function that will just return this list. Thanks.
8
votes
1answer
196 views

How to deploy an Ubuntu touch application for other GNU/Linux distributions?

My situation: I have created an Ubuntu touch application using Ubuntu SDK, in QML & C++. The application uses Ubuntu UI Toolkit (Ubuntu.Components 0.1) I want the application to run in other ...
0
votes
0answers
155 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 ...
0
votes
2answers
77 views

Best way to update files on production server from development server

I am developing a website for my own company. To do so I have 2 servers: Server 1: a development server where I upload and test files. I use Adobe Dreamweaver CS6 to put and get files I am working ...
5
votes
3answers
217 views

How to add some padding between a ListView and its footer?

Consider the following QML snippet: ListView { //... footer: Text { text: "Sample Text" } } This will display the text "Sample Text" directly at the bottom of the ListView. ...
1
vote
0answers
68 views

Ubuntu QML Alarm not working properly

I've been trying to create a simple app capable of setting system alarm. But although I can see the set alarm at correct time in the event list under my clock indicator (on desktop), it doesn't notify ...
0
votes
1answer
56 views

UbuntuShape component doesn't show the background color.

This code gives me an UbuntuShape with the background color red: UbuntuShape{ height: units.gu(6) width: units.gu(6) color:"red" } but when I set an image with the code below, the ...
2
votes
0answers
53 views

Unity 8 scopes: changing the card color has no effect

The example scope that comes with the ubuntu-sdk implements a client for the OpenWeatherMap API. If I specify "card-background" in the category renderer template (because I want to have background ...
4
votes
0answers
101 views

Documentation / guides for offline ubuntu phone scopes

I've been working on an Ubuntu phone scope that is NOT connecting to the internet, it is retrieving local results. I am having difficulty, which is mostly due to not having a guide for how to write a ...
0
votes
1answer
142 views

How do I remove dependencies from a deb installer for an isolated system?

I have created a deb package for an application created in Qt. I have included all the libraries that the application depends on, to be installed in a folder next to the application itself: ...
2
votes
1answer
152 views

Ubuntu Touch: How can I debug ubuntu touch apps on the device? [duplicate]

My app works well on desktop but I can't figure out why does it crash on my nexus 7. How can I debug it while it runs on the device?
4
votes
1answer
123 views

Ubuntu Touch: How do I run an ubuntu touch app from the terminal?

How do I run an ubuntu touch app from the terminal? Where are they stored?
0
votes
0answers
17 views

Ubuntu SDK, Ubuntu Touch: Disable automaticOrientation for one element?

I am building an Ubuntu Touch app. Option "automaticOrientation: true" rotates the whole interface, but I need one element to stay in place and ignore it. Is this possible?
2
votes
1answer
41 views

Scope settings - what does “list” type returns?

i am trying to get the string selected from a list (defined in the settings.ini with name [listname]) using this code: unity::scopes::VariantMap config = settings(); std::string selected_string = ...
2
votes
1answer
109 views

Ubuntu SDK, Ubuntu touch app: “Error: Error opening shm.”

I am building an app for Ubuntu Touch. It works well on desktop, but when I try to open it on nexus it starts opening a splash screen but immediately crashes. Here's the logs: t_shm() at ...
4
votes
2answers
92 views

Ubuntu SDK: How can I see error logs for my ubuntu touch app?

I've built an ubuntu touch app, it works well on desktop, but when I install it on the device and try to launch, it crashes. Where can I find error logs or any other output that the app can give me to ...
0
votes
2answers
24 views

How do I make and upload a package for my game?

I developed a game using the C programming language with SDL for graphics. Now, I just have a folder of the project (with project files). But I don't know how to make a package of this game to upload ...
2
votes
0answers
41 views

Ubuntu SDK, QML: how do I create a vertical slider?

I am trying to create a vertical slider: http://developer.ubuntu.com/api/qml/current/Ubuntu.Components.Slider/ How can I do that? Just rotating it doesn't seem like a good idea, it messes up anchors ...
2
votes
0answers
88 views

Cannot launch app in Ubuntu Device

I have just installed the Ubuntu SDK on an Ubuntu 14.10 system (a virtual 32-bit install). I have also installed Ubuntu Touch on a 2013 Nexus 7. The device is seen by the host and the device is ...
1
vote
1answer
44 views

How do you branch a single file from a multi-file project in bazaar?

How do you branch a single file from a multi-file project in bazaar? For example: lp:ubuntu-popey-app has two files; foo.h and bar.h I would do something like this: bzr branch lp:ubuntu-popey-app ...
1
vote
0answers
50 views

Ubuntu-sdk apps on other distros

So I have just made my first Ubuntu sdk application in QML. I wonder,on a scale from 1-10 how friendly is the Ubuntu SDK to other Linux distributions? How much possible is it to run the apps I create ...
3
votes
1answer
42 views

How do I add categories to a scope?

I'm playing around with the Ubuntu SDK. At the moment I'm trying to create a Unity 8 Scope. Currently I'm stuck with the following: How do I add categories to the scope (the selection list above the ...
2
votes
1answer
92 views

Ubuntu SDK, how do I create a tree view in QML?

I have json data that defines comments that have children. I am trying to display nested comments(like in hackernews or reddit) in my app. What is the best way to go about doing it?
0
votes
0answers
23 views

Ubuntu SDK - how to use the new header? [duplicate]

I want to use the new header features that are described here, but I can not find any documentation. Where can I find a QML example of using it?
0
votes
1answer
33 views

Combine a falling animation with a going up animation on click

I am trying to make a moving sprite fall down from the upper left corner to the left down corner. That function is working properly with the SequentialAnimation component. Apart from that, when you ...
6
votes
1answer
81 views

What's the difference between OptionSelector and ItemSelector?

When writing an app for Ubuntu, it seems I can interchangeably use the ItemSelector or OptionSelector components. In which situation should I use each one of those? What's their main difference that ...
1
vote
1answer
285 views

Cannot build unity scope from qt creator

I am trying to do the unity scope tutorial from ubuntu developer's site. I follow the following steps Create new project (unity scope) Set name and directory parameters As kit i choose i386 ubuntu ...
0
votes
0answers
11 views

Best resources(books/articles/videos) for a new Ubuntu Touch app developer? [duplicate]

I am new to Ubuntu Touch and Qt, and I want to master developing applications for it. I want to start quickly, and then learn it in depth. What are the best books for me to read? Can you outline the ...
2
votes
1answer
571 views

How to get data from REST API with QML (for ubuntu touch app)?

I am trying to use firebase REST API and to get some data into my ubuntu touch app. Can you give me some pointers on how could I go about doing that?
2
votes
1answer
100 views

Ubuntu SDK. error: “Kit autocreation for error is not supported”

I am using ubuntu sdk, and I am trying to create Kit for my device. I'm opening the tab "Devices" and clicking "Autocreate", and I'm getting an error: "Kit autocreation for error is not supported". Do ...
1
vote
1answer
47 views

Testing existing Ubuntu scopes without a supported device

I'm interested in participating in the Ubuntu app Showdown in which you have to make a scope. But before I begin developing I'd like to see how scopes work and what scopes are available. I don't ...
0
votes
1answer
48 views

Ubuntu Components - Picker problem

While trying to create two pickers on Ubuntu inside a dialog, the labels inside can only be read properly when they are not chosen and overlap on the left when chosen, as seen in the image: The ...
1
vote
1answer
235 views

Will I be able to develop apps for ubuntu touch with python?

I want to learn to develop apps for ubuntu touch, and I want to do that with python. So far SDK doesn't seem to support it. Will it support python in the future? Can I start developing apps with ...
1
vote
1answer
26 views

How can I create an application for Ubuntu 14.04 using Java? [closed]

I was looking for some links/instruction which gives a clear conception about building an application using Java, or C++.
0
votes
0answers
11 views

Distribute completely new package over ppa

Say my application is installed over software center by somebody in version 2.0 build with python and 12.04 support. When I make a completely new application with same name say version 3.0 in C and ...
0
votes
1answer
55 views

Ubuntu Touch Qt3D 2.0 crashes on start

I've been trying to develop something in QML3D and while my app is running well on desktop, I can't get it working on my tablet (even thought for example Qt3D cylinder from the software center - ...
2
votes
0answers
113 views

How can I detect screen rotation with QML

I've been trying to create a Ubuntu QML application, but when I rotate my screen while it is running on my tablet, the header is semitransparent and the content below is exceeding the screen's height ...
1
vote
2answers
45 views

Is there a forum or community for Ubuntu Application developers?

Is there a forum or community for Ubuntu Application developers? Chat rooms count.
5
votes
1answer
217 views

How do I get my QML program to utilize Unity7 notifications? Is there an API I can use?

I am developing a screenshot application in QML, and I wish to utilize Unity 7 notifications, similar to what Rhythmbox uses when notifying a user that a new song has started, or when the volume is ...
2
votes
1answer
68 views

Add external library to Ubuntu App in Ubuntu SDK

I am trying to add the QuaZip library to my project (https://launchpad.net/vadetux). I have tried setting the EXEC variable in the CMakeLists.txt to: set(EXEC "qmlscene -I /usr/include/quazip $@ ...
1
vote
0answers
46 views

How do I Resolve a dependency issue with Ubuntu SDK, chroot, CMakelists, and the Emulator?

I am trying to build lp:ubuntu-filemanager-app on the ubuntu sdk for running on the emulator. The libraries I need are installed on my system, and in the phablet-shell. I can run the application in ...
2
votes
0answers
30 views

Is there a Bool or Flag you can use in QML to determine whether a phone is running the application?

For example: Text { text: isPhone ? "this application is running on a phone" : "this application is not running on a phone" }
0
votes
0answers
26 views

Error while trying to import pictures with ContentHub

I followed the Content Hub tutorial and I used the code about importing single pictures I found here: http://developer.ubuntu.com/api/qml/sdk-14.10/Ubuntu.Content.index/ Anyway, when trying to import ...
1
vote
2answers
737 views

What is the objectName: property in QML, why is it needed, and how is it different than the id: property?

What is the objectName: property in QML? Which components have this property? Why is it needed? How is it different than the id: property? Why can't I just use the id: property instead?
2
votes
1answer
22 views

What is Tree and Merge Source?

I did a bzr merge, and I always forget what the merge source represents, and what the tree represents. Which one is my code, and which one comes from the branch I merged with?
0
votes
0answers
29 views

Quickly version numbering

I have been experimenting with quickly, and more specifically, packaging. I have been using this command: quickly create I am quickly (heh heh get it, 'quickly') getting frustrated that the version ...
0
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0answers
286 views

Incorrect display of Ubuntu Emulator (SDK)

I've installed ubuntu-sdk and created i386 instance of Ubuntu Touch image (ubuntu-emulator create myname --arch=i386). After I run it by ubuntu-emulator run myname and everytime I get the following: ...
0
votes
0answers
134 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 ...