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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60 views

Is it possible to develop games for Android on Ubuntu?

I want to learn to develop applications and games for Android, and I am curious if there is any way, or engine, that I can use to develop Android games on Ubuntu/Linux. I know there are several ...
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Ubuntu user access rights for Jenkins

I have Two users on Ubuntu setup user : kmb and user : dev where user kmb has installation of Qt, Qt for webassembly and Jenkins server also where as dev has nothing installed in it so when i login to ...
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Is there a way to use setTimeout in Gnome Shell Extension code?

I am trying to code a gnome-shell extension. It uses Javascript. But one major problem when I want to use setTimeout() it tells me this in the log: ReferenceError: setTimeout is not defined, what I am ...
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Trouble findViewById using AndroidStudio [closed]

I am having some issues trying to make slight modifications to the tutorial from the android website. I had no issues following the tutorial but when trying to make some slight modifications to ...
2
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1answer
68 views

Show an application in the “Select Application” dialog list [duplicate]

I've written a software that runs on Ubuntu.. (18.04 and 20.04 tested). I did not package it, since I'm using Arch linux as well, but wrote an installation script. It copies some files and generates a ...
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1answer
93 views

How to apply Ubuntu 14.04's dock on Ubuntu 20.04 [duplicate]

there! Hope everyone is doing fine. I've recently upgraded my laptop, Ubuntu 14.04 LTS to Ubuntu 20.04 LTS, but I do miss the wonderful dock the former does have. I mean, scrolling on the dock I could ...
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script for record and play mouse keyboard macros by autokey

I have seen autokey app like this: And kow there is some scripts and apps, based of autokey, to record and play mouse key macros in windows like this, but dont find app or script based of autokey in ...
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1answer
25 views

I want to create application for linux system and i want to know how to modify open source application like vestacp webmin [duplicate]

I am a very beginner in linux development..plz explain what i want to learn to build linux application or develop or modify open source application
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1answer
215 views

Exception: Gradle task assembleDebug failed with exit code 1

I just started with app development with flutter, but am not even able to run the test app. This is what come on console : Launching lib/main.dart on AOSP on IA Emulator in debug mode... Running ...
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26 views

Configure GDebi Packagge

I installed GDebi package installer. I tried to configure it step by step but have not been successful. I have used the command: sudo apt-get install -f with the output: Reading package lists... ...
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0answers
35 views

What is the best way to develop Ubuntu/ Debian based Linux Desktop applications in 2020 [closed]

I want to learn how to develop an Ubuntu Desktop Application but I'm not able to find a good guide for beginners. Well, I want to develop an application in Python. I have prior experience with Django ...
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What is the status of Ubuntu Quickly? Is it still developed?

I'm trying to look into Ubuntu Quickly, but the information seems really outdated, 2010. Is the project still on? What is the official page I can download it from? Is there a similar tool in .deb ...
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Is there any software for using mobile device as an air mouse for Ubuntu?

I just want to know if there is any software available as an air mouse(by air mouse I mean which you hover in air to move the cursor using the IR blaster in the phone). Is there is any development ...
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Can't install Quickly on Ubuntu 18.04

I'dd like to learn linux development so I tried to install Quickly. Followed instructions from this page 'https://wiki.ubuntu.com/Quickly#Installation", but my system says "Unable to locate package ...
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1answer
110 views

GUI for Kaldi ASR

I'm a graduating student. Our group's thesis is about ASR. In less than a week, we're going to defend it. We've already produced a model for our ASR which we run on Linux. Our problem is we need a ...
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0answers
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How to make a lockscreen for xfce using qml without sddm lockscreen

I was trying to make a lock screen for Xfce and gnome using QML and python PyQt5. main.qml import QtQuick 2.12 import QtQuick.Controls 2.12 import QtQuick.Window 2.12 import QtGraphicalEffects 1.0 ...
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1answer
53 views

How to add events to built-in calendar?

I am looking for way to add events to this calendar. I know that I can use third-party applications to do it from GUI (or sync it with online service like Google) but I am specifically interested on ...
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0answers
43 views

How to add applications to PPA to install in the terminal [duplicate]

when installing the application with the command sudo apt-get install app-name. How to submit the application to PPA to be able to install it in the terminal? Can someone give me a guide?
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42 views

Iframe for Ubuntu applications?

Is there such a thing as a iframe-like (HTML) element in Ubuntu development for Ubuntu applications? What I mean by this is, is there a way to seamlessly run an application within another application,...
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0answers
23 views

Video upgrade problems (GT 710)

So I've been playing around with Ubuntu for a few months and finally decided to make my own NAS with it. I've installed PLEX, OpenVPN and few other things using guides I've found on this site as well ...
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3answers
249 views

What can I do with Ubuntu without GUI?

I have some some problems with my notebook (RAM is 4 GB, so it works VERY slowly as I am a developer and use some applications that require high RAM which I currently don't have) and as I am new to ...
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179 views

NS2 Software compilation issue in Ubuntu 18.04

I tried to build and compile NS2 source code in Ubuntu 18.04 LTS distribution but I get back that message: make: *** No rule to make the target « mit/rca/rcagent.c », necessary for « mit/rca/rcagent....
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1answer
50 views

Graphical applications / ports / tasks manager?

I'm trying to manage my running applications for each port on Ubuntu (monitoring). Any suggestions for a graphical interface?
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Ubuntu server 16.04 - dashboard for managing running application / ports

I am running my ubuntu standard server on AWS EC2 instance. I have multiple application, each is running on a different port. I'd like to be able to monitor those applications. Is there any dashboard ...
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1answer
321 views

How to create a simple GUI in C++; without Qt, Gtk, or Mondo? [duplicate]

newbie here using Ubuntu 18.04 LTS I am coming from the easy Windows world, I am trying to write an Windows Forms dialog application. When writing code I see that we have a choice between Mondo, Qt, ...
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1answer
824 views

How do I add stuff to top bar?

This is more of a asking for direction. What are the means of developing programs that can add something to the Ubuntu top bar? Let's say I want to make a program that shows the network traffic on ...
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1answer
438 views

Differences in GLib, Gtk+, GObject, Atk, GIO [closed]

What are the differences or relations of these libraries/terms in GNOME development?
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1answer
2k views

Is it possible to install sketch and zeplin in Ubuntu?

Good to all I want to install sketch and zeplin in my Ubuntu 18.04 but I can not find the way to do it. I've searched on Google, and only versions for Mac and Windows appear. Is there a way to ...
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3answers
8k views

How to install figma or sketch in Ubuntu?

I'm following a tutorial in which they worked with sketch (only available on Mac), a program to package and mount applications, for example in React. I searched for information and saw that figma can ...
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0answers
73 views

Change (ubuntu/kdeneon) system QT PATH

im crazy trying to changing the system qt path. because i install qtcreator and all developer libs with the qtcreator install from official site in /opt/Qt. the problem is that the system is using ...
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0answers
1k views

How to fix Android Studio installation and Gradle errors?

I have installed Android Studio with the idea of developing applications with Cordova and Phonegap thanks to the help of my partner @karel who showed me this question: How to install Android Studio on ...
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1answer
338 views

How can I associate a custom file type with a custom executable?

I have a custom file type, made a custom MIME type for it, associated an icon with it. Now I want to open it with my custom executable. If I click OpenI get a dialogue Could not display ... There is ...
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1answer
112 views

Do I need to install Eclipse to be able to develop applications with Cordova and Phonegap?

I have managed to install the Android SDK thanks to the response of the user @Kin. I only have one question, is it necessary to install eclipse to develop with cordova and Phonegap?
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1answer
1k views

QtLocation and QtPositioning not installed

I'm trying to develop a KDE widget that should display a map. At the moment I can't get the widget to load, because of the errors module "QtLocation" is not installed and module "QtPositioning" is not ...
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1answer
193 views

KDE widget - run commands

I'm looking for a way to run commands in a widget I'm trying to develop. So far I've come across the org.kde.kio.KRun, which should be an interface to the kRunner. From the few examples I have seen, ...
3
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1answer
638 views

Minimal Qt5 install to compile code

I wrote a little program in C++ using Qt. Back when it was Qt4, in order for my friends to compile my program on their Ubuntu system, I would tell them, after getting my source files, to just run: ...
2
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1answer
1k views

No examples are shown in Welcome screen of qtcreator

So I installed qtcreator package on ubuntu 18.10. I found out that to get the examples, I also needed the qtbase5-examples and the qtbase5-doc-html package. But there are still no examples shown in ...
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3answers
4k views

How to get the list of all application installed which has GUI?

I want a list of all installed application which have a GUI. To be clear, At least all the applications that are listed in Show Applications. I tried several commands like apt list --installed, dpkg -...
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1answer
48 views

Ubuntu for ARM and AMD64 compatibility

I am going to develop some applications for ubuntu running on AMD64. What I am curious about is will my application work for ubuntu running on ARM? I am noob on OS.
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0answers
37 views

App-indicator work flow

I wanted to learn how app-indicator works in Ubuntu. I will be really thankful if anyone can help me in understanding the workflow of App-indicator. Thank you.
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1answer
1k views

How to compile Linux kernel module: printk missing?

So I'm trying to compile a simple kernel module on Ubuntu 18.04, kernel 4-15.32 generic: #define MODULE #include <linux/module.h> #include <linux/kernel.h> int init_module(void){ ...
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1answer
183 views

How to create Ubuntu graphic C programs without Gtk?

Is there some sort of program or something to turn your text program graphical in C? Thank You, CCM
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1answer
676 views

Failing to import pandas in Anjuta “module functions cannot set METH_CLASS or METH_STATIC”

I have this boilerplate in a minimal Anjuta app that runs. I do not want to install pandas to the system python path so I am using Virtualenv. When I add import pandas as pd I get the following error ...
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1answer
438 views

Problem running .net Core on Ubuntu Server [closed]

I have created a simple console app in .net Core 2.1 and compiled the following output: HelloWorld.deps.json HelloWorld.dll HelloWorld.pdb HelloWorld.runtimeconfig.dev.json HelloWorld....
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4answers
10k views

Lubuntu vs. Xubuntu for development [closed]

I've recently started to lose interest on having my work environment as Windows 10 for development in general. The continuous updates and programs which Windows somehow starts without my order is ...
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0answers
25 views

how to create $application.dektop file in /usr/share/applications? [duplicate]

I have install gle-graphics in ubuntu16.04, which is one graphics scripting language (GLE homepage). I can compile/build *.gle file with qgle. Now I got a problem. If I want to open a *.gle file ...
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0answers
114 views

Increase Popup time for Skype

Can we increase the Popup time for Skype in Ubuntu 18.04 LTS?
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1answer
374 views

How do i build a program with QTCreator, .pro file?

im sort of new to Linux and i'd like some advice on how to build CalcProgrammer on Ubuntu 16.04 LTS. (https://github.com/CalcProgrammer1/KeyboardVisualizer) It is an LED keyboard audio visualizer ...
15
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1answer
34k views

Can I develop iOS Applications in Ubuntu without using a virtual mac OS system? [duplicate]

I'm a developer of Android applications and a java programmer. I'm learning IOS programming but I don't have mac OS; I use Ubuntu. I want way to program IOS apps in Ubuntu without using a virtual ...
2
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0answers
56 views

Ubuntu kept old partitions after reinstallation. How can I reallocate the space?

I am new to Ubuntu and after failing to resolve some package management problems, I'm trying to reinstall it. I'm using Windows 7 and Ubuntu 16.04 (dual boot). Now after the attempted reinstallation ...

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