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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11
votes
6answers
1k views

What is Bazaar and how do I use it?

I wanted to get a program, which is installed via bzr. I have successfully installed bzr, but it asks me to authenticate (despite that I`m logged in to Launchpad). Bzr help seems to be oriented ...
0
votes
1answer
22 views

complete list of wowza ModuleBase events? [on hold]

does anybody knows where I can find full list of events supported by Wowza ModuleBase class !? ex. onSessionCreate, onRTPSessionCreate, onAppStart, etc.. edit: I just realised that this question ...
2
votes
1answer
77 views

U1DB problems with apparmor

I'm having problem with u1db and apparmor. The application works fine, but when it is packaged apparmor does not allow the app to save data into $HOME/.local/share/.. so I can't actually save my ...
2
votes
1answer
22 views

Where is the qt-mt (qt multithreaded) library on ubuntu 14.04?

I'm trying to install some software for a Mightex camera and the first step is to run a ./configure file, after getting a lot of messages where it checks for libraries it fails with the following: ...
0
votes
1answer
18 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 ...
0
votes
1answer
11 views

How do I add a Device Kit to an existing project

I am writing a QML Ubuntu Application and unfortunately forgot to check the boxes for the different Device Kits when I created the Project. How do I get those Device Kits to show up at the run menu?
0
votes
0answers
6 views

Ubuntu QML App UI problems

I need some help... I am currently building a new QML Ubuntu App and I am struggeling with the UI.. The App sends a request to an external server, gets some JSON back and appends that to a ...
1
vote
1answer
185 views

Read lines from a text file in QML Qt/Quick

I need open a text file and read it's contents line by line and store each lines in a string list in qt quick 2.2. Can every one help me?
-2
votes
0answers
49 views

A lot of questions about Ubuntu Phone [closed]

I've seen the great news that the new Ubuntu phone is coming out. I'm currently playing around with python and kivy, making games for android, I'm quite new to coding (started one year ago), and of ...
-1
votes
1answer
48 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 ...
0
votes
0answers
9 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 ...
5
votes
3answers
81 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. ...
13
votes
2answers
773 views

How do you package HTML applications for Ubuntu Touch?

Gomobile talks about HTML5 applications but doesn't explain how to package or install them on Ubuntu Phone/Touch. Is the "Unity Webapps" stuff webapps the same for Ubuntu Touch? (API documentation ...
0
votes
0answers
20 views

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 ...
0
votes
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?
7
votes
1answer
142 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
8 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 ...
0
votes
1answer
43 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 ...
2
votes
1answer
29 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 ...
0
votes
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 ...
0
votes
0answers
22 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 ...
0
votes
0answers
10 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]. ...
0
votes
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: ...
1
vote
1answer
131 views

Ubuntu touch. adb devices is not recognizing nexus 4

I am using ubuntu touch in my mobile nexus 4. adb was working perfectly and also adb helped to test some of apps I have created in my mobile. Now I am finding that adb is not working at all (ex: adb ...
-1
votes
2answers
56 views

How many Applications do Ubuntu have? [closed]

I am wondering how many applications Ubuntu have in total.
0
votes
1answer
17 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.
4
votes
3answers
261 views

How do you check if a property is undefined in qml?

How do you check if a property is undefined in qml? This is what I am trying to do: Button { id: myButton text: if (text === "undefined"){"default text"} }
22
votes
17answers
14k views

Is there a Visual Studio style tool/IDE?

I have been developing in the windows space with Visual Studio for a while now with work, but I have also been using Ubuntu for a while and am keen to get into some software development for linux. I ...
2
votes
0answers
26 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 ...
0
votes
0answers
188 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
69 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
34 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 ...
0
votes
1answer
29 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?
3
votes
0answers
43 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 ...
3
votes
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 ...
1
vote
1answer
35 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 ...
0
votes
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 ...
-1
votes
1answer
1k views

Ubuntu sdk not getting installed 12.04

First I used the compound command given here but it gave some errors so I executed each command separately that I may be able to figure out the where is the error. Adding repository and updating was ...
1
vote
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 ...
0
votes
1answer
37 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: ...
3
votes
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 ...
1
vote
1answer
40 views
2
votes
1answer
51 views

how to change to next page when clicked on button

hi guys I'm new in qml programming and i was just wondering how can i switch to an other page when the user clicks on my button. by the way how can i make a new page in the ubuntu sdk so that when ...
15
votes
0answers
322 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 ...
0
votes
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?
1
vote
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 = ...
0
votes
2answers
19 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
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 ...
0
votes
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 ...
2
votes
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 ...