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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Execution of Python Script from C++ project in Ubuntu SDK

I have a python script by name random.py which needs to be ran from code which is written in C++ language in Ubuntu SDK. I tried various methods like using process and process functions but in vain.
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94 views

Developing Web App in Cordova for Windows and build .click package for Ubuntu Touch

I just realized a Web App using Cordova for Windows. Cordova permit me to build an installation package for "Windows Phone" and "Android" devices. I know that to create a .click package the ...
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1answer
63 views

I need Ubuntu.Components 1.3 for Ubuntu 14.04

Newbie here. Been an IAR baremetal embedded guy for years. Ubuntu transition is painful. I've installed Ubuntu 14.04. I've installed SDK and Qt Creator and I'm trying to build...anything. ...
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38 views

Ubuntu Gnome App Store

Now that Ubuntu 16.04 is using Gnome App store are we still able to submit our own apps the same way as before or do we need to submit our apps elsewhere? Many Thanks
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1answer
32 views

How to build an java applet?

The funny thing is, this code was applied with success on other people's computers after they made the byte code and html file. But my java IDE is running on Android and the compiler threw 17 errors, ...
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26 views

My app is not find in ubuntu software center?

Just now I published my app in ubuntu software center and the status got changed from "Ready To Publish" to "Published" and also i recieved mail for succesfully published my app. But when I searched ...
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1answer
27 views

Ubuntu SDK IDE quits with Segmentation fault when running example code

I installed Ubuntu SDK from ppa:ubuntu-sdk-team/ppa on Ubuntu 14.04 LTS 64bit. Then I created device kit ubuntu-sdk-15.04 armhf. When I try to run with CTRL + R example below from: https://developer....
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14 views

Scope department not triggering refresh on click

I've added a department with subdepartments to my scope. It filters fine if I manually pull to refresh after selecting the filter, but it does not trigger by default on the selection. I wasn't sure ...
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160 views

What determines font color of “Pull to refresh” text

As (barely) seen in the my scope screenshot, the "Pull to refresh" font color needs to be adjusted. I'd assume it would be done in the data/app.ini.in file under [Appearance], but I've been ...
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8 views

ubuntu touch using remote debugger in chrome

I have build cordova app in ubuntu touch but as i want to debug it using chrome console. I want to that is there error in loading scripts or how i can read console.log errors etc.
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20 views

ubuntu touch screen-shot api corodva/html/qml

I want to capture screen via ubuntu touch app. Is there any api like camera or other apis which can help capture screen because usually we take screen shot by holding volume up button. It can be any ...
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1answer
46 views

Error During building of a trial Ubuntu App using Cordova

I am trying to develop html5 apps using cordova on my ubuntu desktop 15.10 for my phone which is running 15.04, following the configuration suggested here. However, on the build step in the above ...
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24 views

Cordova build for all architectures

I build an app for ubuntu touch with Cordova and I just realise it's only available for armhf arch. There are other apps on the store available for all architectures. I try to follow this guide : ...
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35 views

FR : Sharing textures between apps like - IOSurface

I want to switch to Linux for my professional projects with real-time vidéo, but the biggest obstacle on the way is the lack of a technology like Syphon on OSX or Spout on Windows. The benefit of ...
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12 views

rythmbox player needs a windows program installed?

samba: Depends: heimdal-hdb-api-8 but it is a virtual package Depends: samba-common (= 2:4.1.6+dfsg-1ubuntu2) but 2:4.1.6+dfsg-1ubuntu2.14.04.10 is to be installed Depends: samba-common-...
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1answer
38 views

ubuntu sdk ,run default app on ubuntu phone

I'm trying to run a default qml application on my phone. But it's not working :/ developer mode is enabled. the first error includes this link: error1 Where have I to enter this description? ...
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8 views

nm.d already present while launching multiple lxc application containers. Not able to launch more than 1 container

I want to launch lxc application containers on ubuntu. Am able to launch one container with an application. As am trying to launch second container with same application its giving nm.d daemon already ...
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1answer
12 views

New browser not packaging

I am trying to use 'quickly package' to package a new browser that I have put together as a 'trial run' in my attempt to begin learning how to use python for programming... However, even though I have ...
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1answer
34 views

Issues with CurrencyConverter qml tutorial

I'm trying to follow the tutorial at https://developer.ubuntu.com/en/apps/qml/tutorials/building-your-first-qml-app/ which states, "Select the Projects > Ubuntu > App with Simple UI template and click ...
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26 views

How to Use Gambas?

I recently shifted to Linux and installed Gambas for creating a project , but the navigate command use to code in visual Basic is missing in visual basic it looks something like this WebView1....
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98 views

Need root access for some actions in ubuntu phone app

I am trying to develop an ubuntu phone app that does some things that are not allowed by app armor. If I connect to my phone by adb shell I can do this things without problems and without root. My ...
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1answer
101 views

Ubuntu SDK emulator starts up but the Devices tab says “The device is currently booting…”

I'm trying to setup an Ubuntu emulated device with a click package. But even after the emulator starts up the devices tab show that the device is booting. Pressing the refresh button does not help ...
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66 views

How to install a python script as an application

I have been trying to create a deb package for my python script following these steps. My myscript.py contains a simple frame. #!/usr/bin/env python import wx app = wx.App(False) frame = wx.Frame(...
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24 views

why ubuntu-SDK emaulator is running very very slow?

i make a webapp in Ubuntu-SDK for testing purpose i create a device and try to run my webapp in an emulator the emulator is very very slow.how can i solve this issue.My Ubuntu version is 15.10 64bit....
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1answer
23 views

how to install ubuntu-SDK in ubuntu 14.04 64bit?

i would like to install Ubuntu-SDK in my system.i tried to follow this site this site but i getting the error called package-dependency.i think that link is old.so any body know another way to ...
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14 views

Directory Architecture for Desktop Apps

Hey guys the agency is back to submitting desktop software, we have done this before, yet the way of means has seemed to change. I was wondering if you could send me an example of the directory ...
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1answer
58 views

Which aggregator scopes exist in ubuntu scope?

I was thinking about developing an aggregator scope for ubuntu touch, but I can't find a list of some sort that shows which aggregator scopes are already available. On the ubuntu website, they give a ...
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1answer
294 views

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 ...
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2answers
104 views

JavaScript scope online accounts - OnlineAccountClient error

I'm trying to run a Unity JavaScript scope which uses online accounts on Ubuntu 15.10 on the Unity Scopes Tool, but I get an error when using the OnlineAccountClient class. I followed the Online ...
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77 views

Cannot find boost/type_index.hpp after installing boost-all-dev

I have just installed a fresh copy of ubuntu vivid (15.04), then did the following (filtered history command dump): 18 [2016-01-14 23:32:41] sudo apt-get install clang-3.7 clang-3.7-doc libclang-...
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1answer
32 views

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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1answer
86 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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1answer
2k views

How to solve [Errno 30] Read-only file system

I'm new to this forum, and this is my first question: I bought the meizu MX4 ubuntu edition today. I would like to install Ubuntu SDK. I tried to follow this walkthrough: https://developer.ubuntu....
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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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26 views

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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0answers
23 views

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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1answer
23 views

.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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1answer
90 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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1answer
109 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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24 views

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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1answer
23 views

Automated review failure from store - online_accounts

I'm trying to upload a package to the Ubuntu Software Store that uses Online Accounts. However, it keeps failing automated review with errors like: No JSON object could be decoded. Value: "ERROR: ...
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1answer
27 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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37 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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72 views

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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27 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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1answer
17 views

What does lint_package_filename_arch_valid mean?

In a review of my .click package, a warning contained the message: lint_package_filename_arch_valid What do I need to do to fix this?
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1answer
22 views

What does lint_package_filename_format mean?

In a review of a .click package of my app, a message contained the following: lint_package_filename_format How can I fix it?
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49 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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78 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 ...