Questions tagged [application-development]
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.
1,919
questions
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Where can I get the development packages for rsync?
I would like to check the code for RSync but I don't see the development files, maybe I only need GCC and Make ?
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556
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How to add binary third party libraries in qt creator (Ubuntu-sdk verison of QT-Creator)
I try to write an app for ubuntu unity8 and i use a third party library in that app.
My problem is that i would like to use the binary version of that library in my app and not the source files of ...
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1
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351
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How to add qt qmake version 4.8 to qt creator?
I have Qt creator 5.4.1.I have qmake 5.4.1 but I wan to add qmake 4.8 for desktop version.How could I do?
I install gcc4.8,but I don't know Is qmake install?(if it installed so where was it?)
root@...
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1
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213
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Can't build click package (Ubuntu SDK)
Whenever I try run an app via the Ubuntu SDK it gives the following error under the "Compile Output" tab:
Makefile:391: recipe for target 'install_desktop_file' failed
09:39:38: The process "/...
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1
answer
53
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Simplest way to check "is app running for the first time"
I am writing an app for the Ubuntu Phone and I want to store a boolean which represents if the App is running for the first time or has it run before. Personally I don't really want to create a full ...
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1
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595
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Problem with AngularJS and jQuery libraries in Ubuntu SDK - HTML 5 App
I'm trying to explore the "Ubuntu SDK" and just to test I made a "HTML 5 App".
The app need to use angular library (such as: angular.min.js), jQuery library, and angular module for routing (angular-...
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1
answer
238
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"Desktop file does not exist" error when using qmake based template in Ubuntu SDK
Just as the LaunchPad bug says: https://bugs.launchpad.net/ubuntu/+source/qtcreator-plugin-ubuntu/+bug/1512094
Using the Ubuntu SDK template "QML App with C++ plugin (qmake)" or any other qmake ...
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1
answer
108
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Publish Snappy Apps Programtically
Is it possible to publish Ubuntu open source snappy apps programmatically?
I would love to be able to publish a new version of the app in my CI system, when I push a new tag.
Is this currently ...
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1
answer
186
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Download .click package
I've had some problem with my computer and, sadly, I lost all .click packages I've developed.
I would like to download them but I don't know how.
In myapps page on ubuntu.com ( https://myapps....
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1
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91
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Ubuntu Touch webapp icon
Why not change my webapp icon for 'ubuntu-touch' after updating? Apparently it is properly updated in the app store, but when I install it, no.
I've created the icon following this guide >> https://...
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1
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549
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Ubuntu Touch app development [closed]
I would like to try out Ubuntu Touch app development, and I have a few questions that hopefully some of you will be able to answer... I'm intending to use HTML5.
- Do applications have to undergo a ...
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1
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4k
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QML Blinking animation
I need a blinking animation for an icon, I did this so far:
Icon{
id: bigLike
name: "like"
color: "white"
opacity: 0
...
1
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2
answers
323
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 ...
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1
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423
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How to play music when app is not the active app?
I'm working on a music app for Ubuntu Touch
I don't know how to keep playing music when my app is in the background or the screen is turned off. Apparently, media-hub is a platform service introduced ...
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1
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280
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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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1
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668
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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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1
answer
602
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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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1
answer
720
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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 ...
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1
answer
216
views
How do you determine the combined width of the components in a Row {}?
How do you determine the combined width of the components in a Row {}?
The width of the row itself will not work, as I need to set its spacing:, and using this property will create a loop error. It ...
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1
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4k
views
How do you use Q_INVOKABLE to access c++ functions in QML?
I am looking for the most simple and straightforward example.
For my part;
.h
public:
KTerminalDisplay(QQuickItem *parent = 0);
~KTerminalDisplay();
Q_INVOKABLE void setFontStyle(QString & s); ...
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1
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1k
views
How to get filename from FileChooserButton in PyGTK?
I'm using Glade and PyGtk to develop an application. Currently I'm using a button under a toolbar to open files using this code:
def on_openVideo_clicked(self, widget):
dialog = Gtk....
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1
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205
views
In Ubuntu SDK, I can't test apps on my Nexus phone (Server Rejected Key)
I just made my first webapp for Ubuntu Touch with the Ubuntu SDK. If I test using deploy locally, it works fine. If I test on my device, it returns me :
"-1: error: Could not connect to host: Server ...
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1
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2k
views
Why am I getting the error "Cannot assign to non-existent property "head"?
I'm actually on Trusty, and I want to try new "head" property which comes with API 14.10 of Ubuntu SDK.
When I launch qmlscene to test my applicaton, I get this error :
Cannot assign to non-...
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1
answer
59
views
Why do I get “Value of Key 'Comment' is empty” in my app review?
I uploaded a Ubuntu SDK app for review on https://myapps.developer.ubuntu.com and the review is pending, because there are errors. One is the following:
"desktop_validates (iamonair)": {
"link": "...
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1
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298
views
Cannot run the Unity 8 openclipart scope example
Following the instructions of this page, I have installed the Ubuntu SDK and downloaded the tutorials source code.
The openclipart scope builds correctly, but I have a runtime error:
$ unity-scope-...
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1
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695
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Problem with QtWebkit and QML in PyQt5 App Ubuntu for Devices (Ubuntu Touch)
I'm having problems with qtwebkit in ubuntu for devices (Nexus 10) when using pyqt5, the webview element doesn't show, and the application closes. But if I test the same .qml file with qmlscene it ...
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1
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660
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How To install kivy for python and its dependencies to build android apps?
I have ubuntu 12.04, I read the documentations and it confuses me, I just want to know what to type in the terminal or what and how to download whatever I need. Please Help.
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197
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QML: How to display a "<" character in a richTextBox?
The code in question:
description.insert(0,"<tr><td><H1>
---Less-Than-Sign-Here--- </H1></td><td><font face='Ubuntu'size='3'color='#f37420'>
...
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1
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284
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Installation failed for API
I'm developing an app for sending OSC messages working through the outlet port 4444 and I am using a C API call Liblo.
Project page: http://liblo.sourceforge.net
Normal install it by running the ...
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1
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70
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what cd burn lib for app development libburn
Hi I am developing a GTK front end for playing audio files, encoding them then burning audio cd's. I have playing and encoding implemented but have run into a wall with burning.
I would rather not ...
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1
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174
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does ubuntu-sdk all programming language supports all mobile devices?
ive installed ubuntu-sdk , and the main goal for this installation is to develop mobile apps, for all devices iphone/galaxy...etc
saw the project programming language select, html5....python.
can i ...
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1
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114
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How do you launch system applications from within a Ubuntu Touch app?
Android had a concept of Intents by which you can launch the system apps using your own apps. Does Ubuntu touch have any options like that? If so how can one do it?
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1
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1k
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Ubuntu SDK open file dialog
I've started playing with the SDK to start developing an application.
The application will be something that will allow me to filter records in an CSV file by a search term. But does a file dialog ...
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2
answers
778
views
How to change window opacity dynamically in Python and Quickly?
The app is written in HTML and is running using webkit and Quickly.
The opacity can be changed using Glade.
I want to add a slider functionality in HTML which will change the title of the HTML ...
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1
answer
66
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Will pure Java written software be accepted in Ubuntu Software Center [duplicate]
I just came across an article regarding submitting app to Ubuntu Software Center
http://developer.ubuntu.com/publish/apps/other-forms-of-submitting-apps/commercial-software-faqs/
I'm currently ...
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1
answer
81
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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 ...
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1
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69
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?
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1
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517
views
Simple GUI to display static text informations
I would like to know if there is a way to write or modify a simple program (I don't really care what language it'll use) that can be launched in GUI mode and will display formated text and URL that ...
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1
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37
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How to get help and to help with development of software
I am wanting to get some help with a project, and would love to help others. Maybe be on a developer team even. I have looked at the different Ubuntu sites. What site is the better of the sites? Also ...
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1
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93
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Packaging non-SDK app as click?
I have a program that I created using Free Pascal Lazarus, and I would like to share it in Ubuntu, but how do I pack it with .click?
I have read this
http://developer.ubuntu.com/publish/apps/packaging-...
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1
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228
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Unity3d game packaging service
Please, I heard that Ubuntu provides service to package Unity3d games, is it still true and where can I find info about it?
Thank you, Marek.
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1
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1k
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Where is the gtk# widget for windows forms in mono?
I downloaded mono to program in c#. The installation worked fine and I have mono up and running. The problem is, I can't find the toolbox that contains stuff like:
Common controls
containers Menus ...
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1
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1k
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Extend existing QML Component from C++ plugin
First of all, I would like to say that I'm not very experienced in Qt, but I would like to include a new feature in existing QML WebView component to set a list of header values, included User Agent ...
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1
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71
views
How can I anchor a component to the top of the toolbar?
Using the Ubuntu SDK, how can I get an anchor to the top of the toolbar?
I want something like this:
MyItem {
anchors.bottom: toolbar.top
}
so that I can anchor an item to an omnipresent ...
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1
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465
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Is there any app for voice recording on Ubuntu Touch phone?
I am working on voice over sensor networks project.For this I need to give the voice data to the network by ubuntu touch phone(Nexus 4) through datacable.Can anybody suggest any app for my project???
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345
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PyQt App deployment
I'm developing four bioinformatic software's with PyQt. I mostly target Windows OS users but since the programs run without any problems on Ubuntu, I thought to upload them to the USC (I also got ...
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1
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62
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What should I upload for submitting a proprietary app to USC?
I have an app ready to be submitted to Ubuntu Software Center.
It is open-source and the source code is in Github. But I want to submit it under proprietary license ($0.0 however) as I would not have ...
1
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2
answers
778
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Ubuntu App Development Cookbook
Is there any book available for studying Ubuntu SDK. The documentation may be enough, but it lacks a real flow. After the introduction chapters it becomes a bit confusing. I really want to do ...
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1
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261
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Bad color of backgroundColor in a MainView when fixed to "#F1E1A3"
I have a strange problem. When I fix the backgroundColor in a MainView to "#F1E1A3" it doesn't show me the good color since when I draw a rectangle in the page with the same color, I see a difference (...
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1
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2k
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How can TextField input be validated for long integers?
I need the user to be able to input an integer, restricted to values between 0 and an upper bound. The upper bound is too big to fit within the 'int' data type so I have used a 'real' data type with a ...