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.
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Warning message; while using quickly pacakge
I made my first UBUNTU application today.
Kindly see the warning message below;
$ quickly package
......
Command returned some WARNINGS:
----------------------------------
WARNING: the following ...
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1
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Fail to add my own repository
I try to upload to my PPA and add it but I get this error
$ sudo add-apt-repository ppa:unixinfo/openshell
The OpenShell (opsh) command-line interface
More info: https://launchpad.net/~unixinfo/+...
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How to run Android studio on ubuntu 17.04?
I'm trying to run Android studio on my laptop I have download android studio from here and I have downloaded the SDK tool package separately I tried to run android studio from the .sh file and when I ...
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How can I build ubuntu desktop softwares? [closed]
Or what programing language should I use to develop ubuntu desktop applications?
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Qt error trying to install quiteinsane gimp plugin
I am trying to install the quiteinsane gimp plugin on Ubuntu 16.04.
https://sourceforge.net/projects/quiteinsane/
I am getting this error:
checking for Qt... configure: error: Qt (>= Qt 2.2.2) (...
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1
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Using Gtk.Widgets in App Indicators with Python
In 2010 Stefano Palazzo , asked a related question, Putting an arbitrary gtk.Widget into an appindicator.Indicator, and similar one was asked on StackOverflow. In both cases the consensus is that ...
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ubuntu kernel and INT 13H interrupt
I'm new of this Ubuntu mailing list.
My question is addressed to the kernel ubuntu developers.
I use ubuntu and the grub 2 boot loader.
The question is:
I'd like to know if the Ubuntu kernel uses ...
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4
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Developer resources for desktop apps?
On developer.ubuntu.com most resources seems to be targeted to Ubuntu touch. If I wanted to write an Ubuntu desktop application, where can I start?
Is the Ubuntu SDK for the desktop too? I read that ...
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1
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"Signing key does not exist" after successful upload on Launchpad
I have added my package as a ppa successfully (it says Successfully uploaded packages with the command dput ppa:user/my_package my_package_0.3-1_source.changes).
However, It says that the signing key ...
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2
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How to program a one click indicator (add middle click functionality)?
I'm fairly fluent with creating Application indicators with menus. On the example below there is one menu item (quit). I wouldn't have any problems adding another item, my actual application, or ...
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When using Snappy, Raspberry Pi 3 WiFi hangs
I've been attempting to use the Snappy Core 16 image with a Raspberry Pi 3. The system boots, is able to scan WiFi but hangs at 66% when I attempt to associate (this is true even when it remembers ...
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How to create Ubuntu Applications
What should I use to create apps for the Ubuntu Software center? I have Ubuntu 16.04 and qtCreator keeps crashing for me (even 4.3.0). I can't find a good place to start for creating apps for the ...
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Acrobat XI Pro like pdf reader
How do I install a PDF reader like "acrobat XI pro" which lets me highlight text, has text recognition and lets me combine and convert PDF from and to other formats?
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2
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Qt Multimedia doesn't seem to work on Touch
Using Qt package 'Multimedia' to get cameras on the bq phone:
QList<QCameraInfo> cameras = QCameraInfo::availableCameras();
cameras.size() always returns zero.
Host 14.04, target 14.10, Qt 5....
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SSH to a login to Ubuntu Core on Raspberry Pi requires password
I created an Ubuntu core SD for my Raspberry-3 and booted it. Then from my IPad using an app I tried to SSH to it. As far as I understood from the instructions I should not be asked any password to ...
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How can I install 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:
...
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Gradle in Ubuntu for Launchpad
It appears that Ubuntu doesn't have new versions of Gradle in their repositories for some reason. I need it for a project that will be build by Launchpad.
What should I do about this?
CommunityBot
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2
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debian/control doesn't list any binary package
I am running the debuild in order to generate the <source.changes> file to later upload my package using
dput ppa:myusername/mypackagename <source.changes>
as briefly mentioned here.
I ...
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1
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Where to store global config file for a snap application
I'm currently working on a server side app written in Golang. I want to package the app in a snap package.
Where can I store a global configuration file for the app that retains itself even after an ...
CommunityBot
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1
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Making simple graphical programs without an X Server (alternatives to svgalib)
Is it possible to create simple graphical programs in C without an X Server. I'm talking about svgalib or libsvga. Is there another alternative library? But I can't get it on 16.04 LTS.
I do wish to ...
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1
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Implication of ending Unity [closed]
Ubuntu 18.x will carry Gnome Window mgr instead of Unity window mgr.
What is the implication in application development?
CommunityBot
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31
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4
answers
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How to use Qt Creator with Python?
I want to use Qt for developing Ubuntu desktop, phone and tablet applications but I don't want to learn a new programming language (C++, JavaScript). Is it possible to write Qt application in Python ...
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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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About root privilages for my application
Hello I am going to make certain application which requires root privileges to run.
I am using quickly for that application. How to use sudo , gksudo or anything else for that application to run?
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How to create a PPA for C++ program?
If I have a c++/gtkmm project created with NetBean, how can I make a package to PPA from this?
I have created target files structure (*.desktop, iconfile, ui glade files).
Binary goes to /opt/extras....
CommunityBot
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How to add sub menus in appindicators?
I am using this code to try to add submenus in appindicator
#!/usr/bin/env python
import gobject
import gtk
import appindicator
def clean_quit(w):
print "in quit"
gtk.main_quit()
if ...
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2
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0
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Can I access network-manager.nmcli from another snap?
I need to be able to access network-manager.nmcli command from my snap. I have not found a way to accomplish this with the current core or network-manager interfaces. Is the only solution that a slot ...
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Which database to use for quickly and pygtk
I'm writing application using quickly Pygtk and glade.
this application should have database connection (such as MySQL) for reading and writing data from the local or outsourcing machine \ server.
...
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Is there a Visual Studio style tool/IDE? [duplicate]
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 ...
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1
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What is a good Bazaar cheat sheet for the most common tasks?
Plenty of documentation out there, but it seems to be either an introduction tutorial (aka not a cheat sheet), or a technical cheat sheet with too many commands (aka the manpage).
Is there a good ...
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42
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8
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How do I develop .NET apps on Ubuntu?
at college we use Microsoft .NET for developing applications. I recently switched to Ubuntu and would like to know similar tools for making apps on/for ubuntu.
CommunityBot
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3
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How do I get started with an Ubuntu friendly GUI framework?
I have a few small scripts that I use for routine tasks. They require simple parameters to run. Rather than running them from the terminal, I'd prefer to pick something from the menu, be presented ...
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Snapcraft qml module
I am making a simple application on qt/qml, but I can't make the application into a snap.
snapcraft write error :Project ERROR: Unknown module(s) in QT: qml quick.
my Source Code.
My snapcraft ...
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Do I need to know C++ to develop Ubuntu apps?
I'm a java developer. I don't know much about C++. should I learn C++ to develop Ubuntu apps?
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App Inventor for the Ubuntu platform?
Will Ubuntu have something like Google App Inventor to easily develop applications for the Ubuntu platform? Is Quickly intended to do that? I heard Ubuntu is planing to make easy and fun to develop ...
CommunityBot
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How do I use the IDE to make and install a snap package?
I have built, and installed Twinkle, a VOIP program. I have built and installed it on my Ubuntu tablet,from a click but package, but that did not install properly. I now want to try it with a snap ...
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2
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Curious how a server works [closed]
I am currently a high school student who has developed a few iPhone apps that have connected to Parse.com, so I have a little idea of how a... "server" (pre-made) works. But, I do know that's not how ...
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What advantages does Ubuntu have over Windows as an environment for programming?
Why is writing a program in text files or via the terminal a better option (as I read) than using IDE(s) like Visual Studio on Windows?
Do the features an IDE provides exist there (eg. showing ...
CommunityBot
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warning: No toolsets are configured
I am new for ubuntu environment as well as moses, I tried to install moses and boost but when I tried to run the following command on moses directory i found the following warning, please help me what ...
CommunityBot
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2
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Why is some software not in the official Ubuntu repositories?
To install some applications, we need to add a repository to the system. Why didn't the creators just put them into the Main or Universe repositories, though those applications have GPL license and ...
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umake android proxy error
When I run in Ubuntu 16.10:
$ umake android --accept-license
ERROR: https://developer.android.com/sdk/index.html couldn't finish download: HTTPSConnectionPool(host='developer.android.com', port=443): ...
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Changing Python default in 12.04 LTS
I have downloaded and installed python 3.2.3 for Ubuntu/Debian. Also IDLE IDE for 3.2.3.
If I execute IDLE for 3.2.3 explicitely, 3.2.3 runs under IDLE and all is well.
But if I go to a terminal ...
CommunityBot
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How were the software such as Ubuntu software center created? [duplicate]
What programming languages were used to create software like Ubuntu Software Center or System Monitor? How was the GUI created?
The reason I am interested is that I need to create a desktop ...
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Pyotherside for Ubuntu Touch Mendeley App
I am an owner of both the BQ M10 Ubuntu Tablet and the BQ Aquaris E4.5 Ubuntu Phone and I am very unhappy with the absence of a Mendeley app for these devices. For this reason, I want to code it ...
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How to run Symfony on Ubuntu 16.04 with php7
I have installed php7 on Ubuntu 16.04 and I have installed Symfony also, but when I try to run server from my command line it shows this error:
PHP Fatal error: Uncaught Symfony\Component\Debug\...
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Cannot install wxmaxima in Ubuntu 16.04 [closed]
I am not able to install wxmaxima. The app is displayed in the software center and also starts installing but in dos not proceed to complete the installation.
What difference it makes when I change ...
CommunityBot
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1
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Conversion of tiff image in Python script - OCR using Tesseract
I want to convert a tiff image file to text document. My code works as I expected to convert tiff images with usual font, but it's not working for French script font. My tiff image file contains text. ...
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Ubuntu SDK: No private key file given
I've just installed ubuntu-sdk to play with it. When I'm creating a new project with qmake I always get this error "Application failed to start: No private key file given" (screeshot attached), always ...
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Are there projects/initiatives to put "troubleshooting wizards" in Ubuntu/Linux? [closed]
Apparently, since 1992 Microsoft has added many troubleshooting wizards to the Help System in Windows and Microsoft Applications.
Linux Distributions have similar task-oriented series of dialogs, ...
CommunityBot
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