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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How to create a source tarball for a java application built by ant?

I've written an application in Java and would like to package it for Ubuntu and upload it to my PPA. I've already read through the documentation and set up my environment, but I don't completely ...
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1answer
13 views

Why was my app rejected with “(REJECT) reserved policy group 'debug': not for production use”?

I uploaded my app to the store but received this error message: found unexpected Exec with architecture 'all': ./qtcdevicedebughelper.py (REJECT) reserved policy group 'debug': not for production ...
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1answer
8 views

What does policy_version_is_highest mean?

My app was just reviewed and the feedback comments mentioned "policy_version_is_highest". What does this mean?
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28 views

Ubuntu touch emulator won't run in Ubuntu 14.10 in VMWare [on hold]

I'm running Ubuntu 14.10 in a VMWare virtual machine on an OSX Yosemite host. I have the ubuntu-sdk package installed from the repos (not the ppa). Creating my emulator works fine: $ ubuntu-emulator ...
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0answers
6 views

“Search your computer” widget get overlay by other views?

There are times that every view/window that is opened is overlaying the search widget that you open with "Super" key. No matter what window you open or set true/false for "Always on top". This is very ...
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1answer
39 views

Ubuntu.Components version 1.1 is not installed

Anyone knows why I'm getting this error? I do have Ubuntu Components in /usr/lib/x86_64-linux-gnu/qt5/qml I'm on Ubuntu 14.04. Installed the SDK through the PPA. Last time I installed SDK from the ...
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1answer
23 views

Why XMLHttpRequest send only “server connection established” in readyState attribut?

I try to store the result of JSON webservice into a List view. I create my request in javascript but my readyState value is always 1 and never change. I don't understand what is wrong. This is my ...
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1answer
21 views

How do you create an additional interpreter?

Short and sweet version: I figured breaking it down into steps would make it easier. I'm building a website I hate SQL. It makes no sense to me, for a programmer to have to learn an additional ...
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17 views

Creating floating “widgets” for Unity environment

I'm looking for a way to make a screenlet-like widgets for Ubuntu, just without the screenlet app. I can't find info on how screenlet gets to this functionality as their website is down. I want to ...
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0answers
9 views

How to checkout a (working revision) of a launchpad project whose import failed?

The zfs-native/daily/zfs-linux project imports the git HEAD from https://github.com/zfsonlinux/zfs which currently fails because bazaar still (since 2009) doesn't support import of git submodules[1]. ...
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1answer
17 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: ...
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2answers
55 views

How many Applications do Ubuntu have? [closed]

I am wondering how many applications Ubuntu have in total.
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1answer
16 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.
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1answer
116 views
+100

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 ...
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0answers
62 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 ...
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2answers
33 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 ...
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2answers
61 views
+50

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. ...
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0answers
24 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 ...
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1answer
50 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 ...
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0answers
25 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 ...
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0answers
41 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 ...
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1answer
35 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: ...
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1answer
27 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?
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1answer
40 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?
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0answers
15 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?
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1answer
12 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 = ...
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1answer
33 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 ...
3
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2answers
36 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 ...
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2answers
18 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 ...
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0answers
16 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 ...
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0answers
28 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 ...
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vote
1answer
35 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 ...
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0answers
11 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
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1answer
22 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
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1answer
37 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?
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0answers
22 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?
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1answer
18 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
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1answer
70 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 ...
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1answer
88 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 ...
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0answers
10 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
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1answer
91 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
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1answer
19 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 ...
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1answer
24 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
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1answer
31 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 ...
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1answer
70 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
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1answer
24 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++.
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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 ...
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36 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 - ...
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0answers
55 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 ...
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2answers
30 views

Is there a forum or community for Ubuntu Application developers?

Is there a forum or community for Ubuntu Application developers? Chat rooms count.