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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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0answers
59 views

How to make a user interface for an application [closed]

I want to write my own games on Ubuntu with the c programming language. A lot of people like python but c is better. I can write c code and then compile it and then execute it but the only thing I can ...
3
votes
1answer
58 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
23 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
227 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
77 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
17 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.
0
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0answers
14 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.
0
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0answers
16 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 ...
0
votes
1answer
106 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
votes
1answer
82 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
0
votes
1answer
99 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
0answers
220 views

How to install Ubuntu SDK in ubuntu 18.04 (bionic) and how to install the emulator? [duplicate]

Does Ubuntu SDK have support for Ubuntu 18.04 (bionic)? I have searched but the highest version of supported ppa in lauchpad is for Ubuntu 17. Please help and inform me.
0
votes
0answers
22 views

reac-native cannot load sdk components

I am new using ubuntu with react-native, I followed steps for starting new reactnative project install android studio create virtual device define ANDROID_HOME , PATH to my sdk all working fine but ...
0
votes
1answer
44 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
2k 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
votes
0answers
24 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
82 views

Increase Popup time for Skype

Can we increase the Popup time for Skype in Ubuntu 18.04 LTS? Thanks in advance.
0
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0answers
18 views

Installing development system for local hosted applications

I want to develop an application that will run on the development system (local hosted). I downloaded the SDK for the voice card I am using, but need a development system. The SDK installer says gcc ...
0
votes
0answers
14 views

Ubuntu 14.04 slow on my laptop - what is quickest way to get Pebble SDK working?

I have installed Ubuntu 14.04 in VirtualBox on my old laptop (HP Pavilion dv6-6110us). It has a 500Gb SSD drive inside. But the response time for Ubuntu is very slow. i.e. Click - nothing happens, ...
1
vote
1answer
98 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 ...
3
votes
1answer
2k 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 ...
0
votes
0answers
111 views

Running entity framework on ubuntu 18.04 in Rider IDE

I'm currently working on some ASP.NET app. Everything works fine until i want to use entity framework. I've installed entity framework package via NuGet package manager but i couldn't enable ...
0
votes
0answers
99 views

How to install Quickly in Ubuntu? [duplicate]

Unable to find in software center tried using command line also: sudo apt-get install quickly-ubuntu-template
2
votes
0answers
51 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 ...
38
votes
4answers
16k 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
4k 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
65 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
28 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
42 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
41 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 ...
0
votes
0answers
23 views

sound devices 'cross fader application'

Does anyone know of an application that automatically cross fades between audio applications? e.g. i am playing an audio file on vlc and i click on a youtube video and the app crossfades between the ...
1
vote
1answer
58 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
4
votes
1answer
71 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
34 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
365 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
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0answers
224 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
274 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
1answer
2k 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 ...
-1
votes
1answer
515 views

PPA does not have a release date: apt update failed for some reason [duplicate]

Trying to remove a ppa which I shouldn't have installed: thufir@dur:~$ thufir@dur:~$ ll /etc/apt/sources.list.d/ total 28 drwxr-xr-x 2 root root 4096 Oct 26 05:57 ./ drwxr-xr-x 6 root root 4096 Oct ...
1
vote
0answers
350 views

ERROR: The checksum of android-studio-ide doesn't match. Corrupted download? Aborting

More than three times: thufir@dur:~$ thufir@dur:~$ cat android Script started on 2017-10-26 05:49:38-0700 thufir@dur:~$ thufir@dur:~$ umake -v android android-studio --accept-license INFO: Logging ...
1
vote
1answer
3k views

How to run Glassfish on Java 9? [closed]

As I recall, it's just a matter of invoking asadmin to enter the asadmin shell: thufir@dur:~$ thufir@dur:~$ glassfish-5.0/glassfish5/bin/asadmin Exception in thread "main" java.lang....
4
votes
0answers
481 views

Add an application to notification tray in GNOME

I am developing a Linux application and I want an icon for the application to show up in the notification tray which is at bottom-left in GNOME. Image of notification tray in GNOME: How can I ...
0
votes
0answers
24 views

How does Settings control in ubuntu alter the settings in real time?

I have noticed that in Ubuntu, unlike windows, there is no "apply settings" button. I am wondering how is it possible to alter settings in real time. I mean there is some variable in some file getting ...
0
votes
1answer
235 views

g++ uses OpenGL 3.0 but I have 4.5

In the c++ code I put the line fprintf(stdout, "%s\n", glGetString(GL_VERSION)); and it outputs 3.0 Mesa 17.3.0-devel although $ glxinfo | grep "version" server glx version string: 1.4 client glx ...
3
votes
1answer
346 views

Can I develop web and desktop apps on Ubuntu using C#?

I am new to Ubuntu (using 14.04) and Linux in general. Professionally I work on HTML,PHP, CSS, C# and C. I know I can use HTML, PHP, CSS and C but I am not sure about C#. In Windows there is Visual ...
1
vote
1answer
55 views

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/+...
0
votes
1answer
520 views

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 ...
0
votes
2answers
78 views

How can I build ubuntu desktop softwares? [closed]

Or what programing language should I use to develop ubuntu desktop applications?