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.

0
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3answers
132 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 ...
0
votes
0answers
18 views

2019 alternative to Quickly

I want to create my first Ubuntu 18.04 app. It is an installation app, that will download some files, run some java jars, maybe install some packages. I'd like it to be in Software Centre. I googled ...
0
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0answers
95 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
31 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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0answers
85 views

Missing installed app

I've installed Spotify, Android Studio, VS Code and VLC by the marketplace of Ubuntu, but, today, when I tried to start this apps, it doesn't open and doesn't show up at marketplace. Their icons still ...
0
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0answers
34 views

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 ...
-1
votes
1answer
95 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, ...
0
votes
1answer
136 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 ...
2
votes
1answer
97 views

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

What are the differences or relations of these libraries/terms in GNOME development?
3
votes
1answer
265 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 ...
5
votes
3answers
1k 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 ...
0
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0answers
43 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 ...
3
votes
0answers
463 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 ...
0
votes
1answer
59 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 ...
3
votes
1answer
91 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?
2
votes
1answer
180 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 ...
0
votes
1answer
33 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, ...
0
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0answers
129 views

Can't install Android Studio - Unable to run mksdcard SDK tool (32bit Ubuntu)

I'm trying to install Android Studio in my computer, but I got a message error: "Unable to run mksdcard SDK tool. One common reason for this failure is missing required libraries. Please fix the ...
3
votes
1answer
171 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
votes
1answer
330 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 ...
3
votes
3answers
780 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 -...
0
votes
0answers
113 views

Submenu to an existing popupmenu in gnome extension javascript

I am working on an extension for gnome, in which there is a popupmenu with items and I want one of these items to connect another popupmenu (submenu) populated with items.Below is a snipet of the ...
0
votes
1answer
29 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
28 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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0answers
24 views

Create Basic Gui Bash App

I would like to create a basic gui app to interact with bash. I wanted to challenge my self to try to make a gui app, I have mostly only scripted and written basic single funtion programs. I would ...
1
vote
1answer
560 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){ ...
0
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1answer
100 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
282 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 ...
0
votes
1answer
163 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....
0
votes
0answers
9 views

Use application data from remote server

This is only an experimental work. I have built a windows qt wallet for an altcoin. Hosted server with entire blockchain data (blk.dat) synced. The blockchain data file(blk.dat) is around 40GB in ...
1
vote
4answers
5k 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 ...
0
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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 ...
1
vote
0answers
104 views

Increase Popup time for Skype

Can we increase the Popup time for Skype in Ubuntu 18.04 LTS?
1
vote
1answer
190 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 ...
6
votes
1answer
11k 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
votes
0answers
53 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 ...
41
votes
4answers
27k views

Is knowledge of C# of any use in a Linux system?

I know C# and I like to switch between systems and use Linux. Can I use C# to build applications that will natively work on Linux? What should I do to make use of my knowledge of C# in a Linux system? ...
0
votes
0answers
5k views

Android SDK Build-Tools and SDK components were not installed

I was installing Android Studio on my Ubuntu 16.04.4 LTS. I successfully downloaded it and I can run with ./studio.sh from /opt/android-studio/bin. After executing this command, it starts downloading ...
2
votes
1answer
91 views

What's up with Ubuntu Desktop API docs? Why are all the AppIndicator links dead?

I was going to make a quick tray monitoring script. Y'know, the classic CPU/mem/net usage example; I need a similar thing, but with my own code. 15 minutes later, trying to find any doc whatsoever ...
0
votes
1answer
30 views

how to create a hot-key to control a volume app

I was wonder if there is a way to create a hot-key to control PulseAudio app? Due to YouTube being in full screen and adjusting down the volume.
0
votes
0answers
48 views

Charting in Qt on Linux

I want to get into porting Windows apps to Linux but have a few questions about Qt as a possible solution. I have seen Qt touted as an equivalent for VC++ on Linux. VC++ on Windows has no charting ...
0
votes
2answers
62 views

What is the difference between copying an a.out file(executable file) and installing an application? [closed]

What is the difference between installing an application software and copying the executable file(ex:a.out) of the application? When we run the a.out file it gives some result, running the application ...
1
vote
1answer
59 views

Are all Ubuntu apps the same on every device

Bit of a newbie question Are all Ubuntu apps the same regardless of the device for instance if I made an app for Ubuntu on a jetson tx2 developer kit would the code be same as a Ubuntu app ran on a ...
2
votes
0answers
18 views

Beginner: how to start with contributing for ubuntu [duplicate]

Can I take part in some project for ubuntu? What should i do? I am new, and i would love to complete or take part or start a project for it. Thx
3
votes
1answer
72 views

What is the reason behind apt-get's W: Duplicate sources.list entry?

This question is really about the why of the error message. It would seem that duplicate entries in configuration file such as sources.list would be fairly simple to correct automatically and can be ...
0
votes
0answers
35 views

Ubutu 17.10 Graphics Environment [duplicate]

I just installed 17.10, and I can't launch some App's such as PhpStorm and RubyMine, it is saying "java.awt.AWTError: Can't connect to X11 window server using ':0.0' as the value of the DISPLAY ...
0
votes
1answer
467 views

browse to remote Glassfish admin page?

On AWS it's easy enough to start glassfish: ubuntu:~$ ubuntu:~$ asadmin start-domain Waiting for domain1 to start ..... Successfully started the domain : domain1 domain Location: /home/ubuntu/...
0
votes
0answers
263 views

Why do i need to unplug and plug in usb device to keep it working with USB port v2.0

enter image description hereMy usb device doesn't work properly with usb port 2.0 in linux ubuntu 14.04. Every time i have to unplug and plug in back to the port again in order to work it properly. I ...
2
votes
2answers
367 views

output “script” to pastebin readability

How do I paste output from the script command (typescript; "man script") so that it's more readable? Script started on 2017-10-27 06:20:56-0700 ]0;thufir@dur: ~/IdeaProjects[01;32mthufir@dur[00m:[01;...
1
vote
2answers
3k views

how to install android studio with umake and snap? ubuntu-make.umake usage

How do install android-studio from umake through snap? It seems to be a matter of umake usage...but the command looks correct. thufir@dur:~$ thufir@dur:~$ snap install ubuntu-make error: This ...