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.
1,918
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Java packaging and uploading to a PPA in Launchpad
I have a java application (created as a class) and I want to know how I can (or should I even) convert it to .deb format and then how to upload it to a Launchpad PPA so that everyone could install it?
...
- 1,310
2
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1
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357
views
How do you start a new python program in quickly/gedit?
I am trying to make an app in quickly, and I have made the windows, one is called test the other is called menu and the test is the start page, and I want to program it so when you click on the button ...
- 21
2
votes
1
answer
3k
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How to create portable applications?
In Ubuntu can you create a portable application and have it work on an OS like SUSE 10.x via USB stick? I'm not sure if this can be done or not, how to do it or if it would be compatible; any advice ...
- 71
2
votes
2
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617
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Ubuntu one API file upload maximum size
I'm making an application using UbunuOne REST API in order to upload files to the Ubuntu storage service.
file storage API
I can achieve uploading some files, but when I try to upload a large file (...
2
votes
1
answer
262
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Ubuntu One CORS support
I am in the process of trying to build a webapp that integrates with Ubuntu One. It would seem that I am unable to authorize a user as per https://one.ubuntu.com/developer/account_admin/limited_tokens/...
- 21
2
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1
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3k
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How to use application indicator for KDE application?
How can I use libappindicator to create an application indicator for a KDE app in C++ without using GTK? The example shown here uses GTK to create the menu. Is this necessary? Is there a KDE ...
- 287
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0
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2k
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How do I resolve "X Error of failed request: GLXBadFBConfig" when installing iTunes using wine?
I installed wine in order to install iTunes. The iTunes icon is on the desktop but it won't open. with wine64 explorer I see iTunes.exe, however when clicking on it the following message in the ...
- 21
2
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2
answers
287
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Offline commandline Thesaurus?
Online command-line thesaurus?
This here has answers for an Online thesaurus. I need an offline thesaurus for the commandline. If there is none, is there a library available in the repos containing ...
- 12.1k
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0
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64
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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 ...
- 237
2
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0
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20
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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
- 21
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185
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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 ...
- 21
2
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0
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263
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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): ...
- 21
2
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0
answers
228
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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 ...
- 21
2
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0
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74
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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, ...
- 5,004
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0
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688
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Ubuntu-SDK-IDE: QXcbConnection: Could not connect to display
In the case applications executed from the Ubuntu SDK IDE in a LXD container can not connect to the X Server, the X11 socket in /tmp/.X11-unix was probably deleted and the container can not access the ...
- 21
2
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1
answer
5k
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Problem installing snapd
I like to install snapd
but my computer say message like this:
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package snapd
how ...
- 21
2
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0
answers
50
views
UbuntuUI Html5 api optionselector - how to get and set selected Index? [closed]
I'm trying to use the optionselector in an html5-app.
But it seems impossible to get the selected option (index or whatever). I also want to set the index as predefined choice.
Here is my html:
<...
- 51
2
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0
answers
65
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I want to compile apps for Ubuntu-Touch. What are some good resources?
I have an Acquarius M10. I want to try to compile x11 apps for use on my tablet. I am especially thinking of things like xournal.
What are some good resources for me to start learning about how to do ...
- 532
2
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0
answers
386
views
Build an Ionic application for ubuntu phone as click package
Hello fellows I have the following application:
https://github.com/kawai-developers/faster
And I try to build it as a scope for ubuntu phone
I managed to add the platfrom for ubuntu with the ...
- 1,275
2
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0
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62
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Ubuntu phone - how to store data when writing HTML5 app - preferred way
I started creating a simple organizing app for myself, and hit a brick fairly quickly. Wanted to have an XML list of things that would be read and updated by a HTML form.
Now I came through ...
- 21
2
votes
1
answer
146
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How can I use sqlite3 in my Ubuntu Phone app? (C++ backend)
I want to create an app, which has a C++ backend and uses sqlite3.
I can connect to an Database in memory using the following code:m_db = QSqlDatabase::addDatabase("QSQLITE"); m_db.setDatabaseName(":...
- 183
2
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1
answer
2k
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What is the difference between libprotobuf-dev and lib-protobuf8
I want to install protobuf for my cpp project, I searched protobuf with
apt-cache search protobuf and the result shows blow:
libmirprotobuf-dev - Display server for Ubuntu - protocol definition
...
- 379
2
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1
answer
563
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How to publish Unity Game Engine app (executable binary) to Ubuntu Store? [duplicate]
Quite recently Unity Game Engine (not to be confused with Ubuntu's Unity user interface) added an option to create a linux build. The result is a set of two executable binary files .x86 and .x86-64, ...
- 121
2
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1
answer
112
views
What does security_policy_version_matches_framework mean?
When uploading my click app to the store, I get an error in the automated review feedback:
1.2 != 1.3 (ubuntu-sdk-15.04) security_policy_version_matches_framework
What does this mean, and how do I ...
- 301
2
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0
answers
222
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Unable to test Ubuntu Touch applications on ubuntu-emulator (ubuntu-sdk)
I've followed every step of the Ubuntu SDK documentation, as detailed here. I am able to create different types of projects, compile and test them on my desktop. I am also able to run the Ubuntu Touch ...
- 153
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0
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43
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Application rejected on myapps.developer.ubuntu.com. What can I do?
I submitted a desktop application on myapps.developer.ubuntu.com long time ago. But it was rejected today with the following reason:
This package submission process is now deprecated.
To provide my ...
2
votes
0
answers
151
views
Can't start ubuntu-filemanager-app in emulator
I downloaded ubuntu-filemanager-app opened the project in UbuntuSDK and want to run it in Emulator , but I get this error:
23:49:37: Running steps for project ubuntu-filemanager-app...
23:49:37: ...
- 2,031
2
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2
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1k
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How can I create a debian package for MediaWiki 1.25.1?
I would like to create an easily installable debian package (.deb file) for MediaWiki 1.25.1 as I know from personal experience that for web programming noobs like myself, installing MediaWiki can ...
- 7,919
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59
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How do I configure the Ubuntu SDK to use a proxy cache?
The Ubuntu SDK sets up emulators for me, which seems to involve a call to click chroot which then runs debootstrap. How do I pass through my proxy server settings through to debootstrap? I want to do ...
- 15.7k
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165
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Ubuntu Touch HTML5 How to create a fixed header?
How can one create a fixed header when creating a Ubuntu Touch Application with the HTML5 SDK?
The api documentation does not offer any help and I could not find any HTML5 examples that were using a ...
2
votes
1
answer
392
views
Ubuntu Touch App with Simple UI (QMake) - how to connect C++ to QML
I've noticed that the Ubuntu SDK now has a template for an 'App with Simple UI (QMake)'. This creates a C++ Ubuntu application project with a sample UI containing a Label and a Button (Needs a 15.04 ...
- 108
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0
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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:
...
- 745
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1
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269
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GNU C - Signals never arrive to the handler
I'm working on a university project which needs to be written in GNU C and run on Ubuntu server. My primary OS at home is Ubuntu 14.04 on my PC. The project is about multi thread programming and I ...
- 33
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0
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107
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Unity 8 scopes: changing the card color has no effect
The example scope that comes with the ubuntu-sdk implements a client for the OpenWeatherMap API.
If I specify "card-background" in the category renderer template (because I want to have background ...
- 121
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1
answer
193
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Ubuntu SDK, Ubuntu touch app: "Error: Error opening shm."
I am building an app for Ubuntu Touch. It works well on desktop, but when I try to open it on nexus it starts opening a splash screen but immediately crashes.
Here's the logs:
t_shm() at lttng-ust-...
- 759
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0
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93
views
Ubuntu SDK, QML: how do I create a vertical slider?
I am trying to create a vertical slider: http://developer.ubuntu.com/api/qml/current/Ubuntu.Components.Slider/
How can I do that?
Just rotating it doesn't seem like a good idea, it messes up anchors ...
- 759
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0
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632
views
How can I detect screen rotation with QML
I've been trying to create a Ubuntu QML application, but when I rotate my screen while it is running on my tablet, the header is semitransparent and the content below is exceeding the screen's height ...
- 660
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0
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48
views
Is there a Bool or Flag you can use in QML to determine whether a phone is running the application?
For example:
Text {
text: isPhone ? "this application is running on a phone" : "this application is not running on a phone"
}
- 12.1k
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0
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131
views
Installation of Meanings failed on Nexus 4
I'm doing a simple test with the tutorial app 'Meanings'. It's running fine in the emulator but fails if I try to install the 'click' package on the physical device.
Executing: /tmp/com.ubuntu....
- 21
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401
views
How does one run QML tests on a Ubuntu Touch Phone?
My application has QML tests using QtTests that I run locally on the desktop via qmltestrunner. I am interested in running these tests on the device to simulate real conditions like the on-screen ...
- 12.6k
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1
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1k
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Targetting Boost 32-bit While on 64-bit ubuntu?
Well i have libboost-all-dev installed, but i am trying to compile for 32-bit. I can't install libboost-all-dev:i386 either.
g++ -lboost_filesystem main.cpp
g++ -m32 -lboost_filesystem main.cpp
The ...
- 121
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1
answer
2k
views
Prevent components from becoming transparent on a qml window
Here is the code for a transparent and frameless window in qml:
import QtQuick 2.2
import QtQuick.Window 2.1
import Ubuntu.Components 0.1
Window {
MouseArea {
anchors.fill: parent
...
- 4,370
2
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2
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4k
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QML Qt 5.2 problem with mp4 video
I have qt 5.2(ubuntu sdk) installed on Ubuntu 14.04
When I try to run QML code:
MediaPlayer {
id: mediaPlayer
source: "../path/test.mp4"
autoPlay: true
}
VideoOutput {
id: video
...
- 23
2
votes
1
answer
39
views
Deleting a application draft
I accidentally started submitting a click application when I meant to submit a desktop application is there a good way to delete it in the draft state? I searched around the "Manage" menu and I tried ...
- 21
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0
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1k
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How to deploy my Qt app statically on ubuntu ? It is running on ubuntu 14.04 only
I wrote a application with Qt 5.x and the compiled binary is only working
on my development machine running 14.04
on other machines running 14.04
on linux mint 16
I already inserted the CONFIG += ...
- 23
2
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1
answer
1k
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Ubuntu, gtk 3.10.8, not able to visualize a menubar made by Glade
My problem is that I've drawn a UI with Glade, but the menubar doesn't want to be drawn.
Here is the xml, just a sample: please try to check out the properties. It is a very simple menubar but I can'...
- 121
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0
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772
views
Multitouch in Qt
I've got a fresh install of Kubuntu 14.04 and Qt Creator/5.2.1, and I'm trying to get multi-touch working for the example applications like photosurface.
My input device is an Acer T272HL 10 point ...
- 141
2
votes
2
answers
610
views
Ubuntu Touch how to detect If the application is closed
on ubuntu touch.
I run an application in terminal and close the application in the Application scope.
The application isn't killed. And no event is caught in QQuickView.
How do I detect this close ...
- 51
2
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0
answers
184
views
Unity Scope to read XMP metadata from local files
I have seen various tutorials on writing Unity Scopes, including the one on developer.ubuntu.com However, they all appear to concentrate on scopes that download data from various web services.
I am ...
- 481
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0
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131
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Implementing Unity Global Menu
I'm working on a desktop (like XFCE) as a private project, and I would like to implement the Unity Global Menu in my desktop using python. I've looked at the Dbusmenu API and even Unity's dbus "...
- 323