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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list of available targets for openUrlExternally

Using Qt for my ubuntu touch application and I'm having trouble getting it to launch the text messaging application. using Qt.openUrlExternally('sms:'+carduserphone) carduserphone being a variable ...
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56 views

How to get the name of connected ios phone in Linux using command

How to get the name of connected ios device name in Linux, or c++ programming. basically, I use the Qt in Linux. and I want to get the name of the connected device name. after a searching in google we ...
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25 views

How to create application from bash file? [duplicate]

I have bash file, it's about resizing pictures and adding color borders to each picture..it runs in ubuntu 15.04 well..it works on imagemagick..I wanted to make it as application like ubuntu ...
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Ubuntu SDK AppArmor issues with opening CSS/JS files from filesystem

I'm trying to create a new app using HTML5/JavaScript with Ubuntu SDK and my new Ubuntu Touch phone. I've managed to run it on my phone, but it doesn't load any styling information and without ...
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Ubuntu snappy software update cycle

I want to use Ubuntu snappy for our project which is basically secure update the application. In the Ubuntu IoT I found that it has the feature of secure FOTA. The basic idea is- we run snappy on our ...
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.cpp and .h files of new classes are not showing in Ubuntu SDK tree

I've added new classes to my project via Ctrl-N >> C++ >> C++ Class. However, after the files are added to my models/my-project folder, it does not show up on the tree in Ubuntu SDK. Why is this? ...
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35 views

Is there a reasonable chance of making money on an Ubuntu desktop utility application?

I recently asked this question on Quora. Unfortunately I didn't get much of a reply, so I thought of asking here... Hopefully this question is not off topic, but I want to know if any others here ...
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88 views

How to write a C++ backend for Ubuntu Touch that can access internet?

Is there anyway to write a C++ backend for an Ubuntu Touch application that can access the internet, and download files? Or do I have to do that through QML, and pass it to objects written in C++?
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106 views

Display column values from sqlite db

I am attempting to return all column values from an Sqlite db to a Qchart in qml in Ubuntu SDK - the db contains various fields including kilometres, miles, etc. I would like to return all values in ...
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No ubuntu web app inspector

Been using Ubuntu 14.04 LTS release to do some development webapps and the web inspector was there as default. When installing ubuntu sdk on 15.04 and 15.10 there's no web inspector. How can i get it ...
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26 views

U1db-Qt not working as expected in ListView (Ubuntu Touch App Development)

Recently, I've been trying to learn how to use the U1db Library (if that's what you call it), but it hasn't been working the way I expected it to work. Here is my code: import QtQuick 2.4 import ...
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36 views

How to deploy mediascanner to Ubuntu Touch device?

I want to deploy mediascanner https://code.launchpad.net/~ubuntu-branches/ubuntu/vivid/unity-scope-mediascanner/vivid to Ubuntu Touch phone device. I can compile it via cmake and make in SDK etc, but ...
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What are the main advantages / disadvantages considering Ubuntu SKD and NW.JS for HTML5 Desktop App development?

Besides the obvious facts that NW.JS apps could be build for other operation systems than Ubuntu only and Ubuntu SDK can serve for other programming languages than HTML5 and JavaScript, what else are ...
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26 views

TEE / TrustZone Andoird Phone

I was wondering if TrustZone is enabled on the Cortex A7 ARM processor on the Aquaris E4.5. Would like to purchase one for developing Trustlets/Trusted Apps and experiment with them. Any response is ...
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34 views

Are there any open source projects From which it is eary to learn Ubuntu Desktop Application Development?

I have been contributing in this forum through asking and answering questions, but now I want to contribute in Open Source Projects by coding. But I have no idea which are the suitable platforms and ...
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70 views

Cordova Ubuntu Phone: how to debug?

I have installed the sdk and enabled developer mode on my ubuntu phone. If I connect the device via usb and go to debug -> start debugging -> attach to running application and choose sdk form dropdown ...
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13 views

problem with sdk

i was trying to develop apps for ubuntu and downloaded ubuntu-sdk but i got to know that we can build mobile apps with ubuntu-sdk.Can someone tell why we e ubuntu-sdk to build apps for mobile ...
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24 views

How do you make the background of a dragged ListItem opaque?

The new ListItem has drag-and-drop capability built-in. By default, though, dragged items have a transparent background, which looks awful. (Why would this be the default?) The ListItem has a color ...
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202 views

How to access local music files/directory with HTML5 Ubuntu App?

I'm building an Ubuntu app in HTML5, using the Ubuntu SDK. From what I can tell, I should be using contentHub to access music files in /home/Music/, however I can't make heads or tails of the API. ...
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113 views

Ubuntu SDK and shared.h

I'm trying to make some experiments with the Ubuntu SDK and I found a problem with the sample files. If I create a new app, I can compile and run it without problems. If I try to select one of the ...
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39 views

Ubuntu Mysql Server and Netbense Java Project Connectio Error

@ I Installed Ubuntu Server 14.04.3 LTS (using VMwear Workstation).... Static ip details() address 192.168.137.xxx broadcast 255.255.255.0 network 192.168.137.0 ...
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How can I save the CurrentItem of Picker in QML?

Helo, I defined in mainView the following functions: property var db: null function openDB() { if(db !== null) return; // db = LocalStorage.openDatabaseSync(identifier, version, ...
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Which click framework should I target?

I am developing some apps for Ubuntu Touch, and one part that I am confused on is how the click build targets work. Which one should I target? Do they follow the same support schedule as the rest of ...
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looking to reinstall ZTE P7431 image

i´ ve been looking to set up my invironment to work on an android device which infact does n´t boots up, Ive been checking the android out with a root program, and rasy adb to check out it´s files ...
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Publish button on Ubuntu-SDK not working

I am new to Ubuntu development. I am developing an application using HTML5. Its all set and running as required. But when I click on Publish button, nothing happens and screen freezes there. I am ...
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78 views

Error when running ubuntu phone emulator

I can launch the emulator in the devices tab, without any error. But when i try to run any html5 program/example, in the application output shows Warning: Permanently added '[127.0.0.1]:10000' (RSA) ...
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How to compile C/C++ applications for the Ubuntu BQ E4.5?

I run on my BQ E4.5 below the HOME of phablet in a jail a Linux based on vivid for ARMHF which is build as: $ mkdir myRoot $ cd myRoot $ sudo tar xzf ../vivid-preinstalled-touch-armhf.tar.gz $ sudo ...
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Use Ubuntu Lap(desk)top+UMTS-HSPA datamodem as SMARTPHONE

I have been advised to ask my question in Lanuchpad here too. I find that Ubuntu is focussing particularly into Smartphones / Calling Tablets. Very well. But I want to use our existing ...
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48 views

Why does click package validation fail?

I'm trying to publish an app for Ubuntu touch, but I can't get past the validation phase. I'm using Ubuntu SDK. The current build configuration is for device (armhf). I was able to run the app on the ...
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193 views

How to keep model and view in sync for a QML List Item?

I have a list with multiple selection and a button. All list items are checked. When I click the button, I want the second item to become unchecked. I am also changing the displayed text (just for ...
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29 views

Develop on Ubuntu Phone

Is it possible, and if so, how can I develop/run qml-apps using only my Ubuntu phone? As example I refer to the Terminal-IDE apps on android... I have tried the Terrarium app but that's only to ...
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Ubuntu touch sdk and qmake

I have such structure in my project: core-lib desktop-client android-client ubuntu-client and so on... How do I specify in profile, which projects to include for builds? For example for ...
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240 views

Cannot start Qt Creator after updating to 15.04

My Qt Creator (from ubuntu-sdk) won't start after updating to 15.04. It gives this dialog after the window has opened: [3]+ Segmentation fault (core dumped) qtcreator Also I don't ...
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No avds found by ./emulator -list-avds . Do i need to install avds? How to do so, if yes?

I have installed android SDK in /opt. When i run: cd /opt/Android/android-sdk-linux/tools sudo ./emulator -list-avds I do not get anything printed on terminal. But from Android Studio under SDK ...
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2answers
152 views

Android program execution in studio not detecting installed KVM

I have installed KVM for virtualization for AVD in studio, after running the following command: kvm-ok The output is: INFO: /dev/kvm exists KVM acceleration can be used So, by all this i can ...
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Is it acceptable code style to leave binding loops in QML applications?

Backstory: I am working on a patch for the ubuntu-filemanager-app that will shrink the fontSize: for a Label {}, if the width: is larger than the window size. Think this: Label { id: myLabel ...
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132 views

Ubuntu SDK unable to start in Ubuntu 15.04

in Ubuntu 15.05 I installed Ubuntu SDK, but I can't start it. I installed in Terminal: sudo apt install qtcreator-plugin-ubuntu And all dependencies. 292 new installed When I try to start in the ...
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292 views

Windows phone app developer

I was using visual studio before for developing windows phone apps but now that i have shifted to ubuntu i have no access to any IDE for developing windows phone apps ... i tried mono studio but i ...
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143 views

How to get and install qt header and libraries in specific folder?

Where do I get qt header and libraries from? And then how do I install qt header and libraries in specific folder?
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39 views

QML app developpement, how to access system organizer (events)

I searched for a long time about this but can't find something relevant. I'm starting to develop with Ubuntu SDK and QML. I would like to access the system organizer in order to read the next events ...
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52 views

How do I load directory in geany using Treebrowser plugin?

When I searched on Google for loading directory in Geany IDE, the very first result was the Treebrowser plugin for Geany. I have installed it and activated it from the plugin manager in Geany. Now, ...
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384 views

I want to run a script on boot system Ubuntu 14.04 Server

I've done anything like this I made a symlink in /etc/init.d sudo ln -s /home/sts/erp-enterprise/bin/jleaf-apps /etc/init.d then I run the command $ sudo update-rc.d jleaf-apps enable then ...
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How to use Ubuntu.Components.Icon?

I am using the Ubuntu.Components.Icon component from Ubuntu SDK to display an icon (as a map marker). I also tried to place the component on a blank page, but I alays get the same error: ...
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126 views

can't deploy application to emulator : SFTP initialization failed: Server could not start SFTP subsystem

Such error I got when try to run my app in emulator : 11:01:33: Connecting to device... 11:01:34: SFTP initialization failed: Server could not start SFTP subsystem. 11:01:34: Deploy step failed. ...
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1answer
81 views

QML WebView does not want to start in Emulator

When opening WebView in emulator I got this: LaunchProcess: failed to execvp: /usr/lib/arm-linux-gnueabihf/oxide-qt/chrome-sandbox
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Quickly fails to package help pages

I have been working on making a program (jekyll-helper) using Quickly and a while ago I worked on adding some content to the default help pages. I tested out open the help pages in the program while ...
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1answer
32 views

Migrating from Microsoft VB6 and SQLite to Linux [duplicate]

I am doing business programming and wish to migrate to Umbuntu. What would be a similar development environment in Umbuntu?
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91 views

Invoicing Visual Basic software replacement or web application?

I have a pc that is still fairly powerful but with Windows XP (Pentium 4 3Ghz 4 Gb Ram). It is used by someone who is not computer expert (I would say a really basic user) only for browsing and ...
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27 views

When Ubuntu Software Center review my commercial applications [duplicate]

15 days ago I posted My application on the Ubuntu Software Center and am still waiting for review. Does anyone know when they will be following the approval of the application? My application is ...
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52 views

Is PPA still the only way to publish free open source app for Ubuntu Desktop?

There is a lot of contradicting information about publishing for Desktop. Some sources say that from 14.10 onwards Click packages also for Desktop can be submitted to USC. Other sources say that Click ...