Questions tagged [qml]

Questions related to the development of QML applications on the Ubuntu environment.

2
votes
1answer
426 views

Error with Qtcreator when running project “error: Unknown module(s) in QT: qml quickwidgets svg quick” [duplicate]

I have successfully installed Qtcreator 5.9.7 on Linux 18.04, checked by running example project. Now I am trying to run my old project, created on 5.7.1 on Desktop PC and getting the following error. ...
2
votes
1answer
179 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 ...
1
vote
0answers
486 views

Kubuntu - Edit width and padding of Icon-Only Task Manager Widget

I am using Kubuntu (18.10... however, it is almost same as 18.04). I want to edit width and padding of Icon-Only Task Manager Widget*. My desire is to have - larger font size, padding around each ...
0
votes
1answer
326 views

How to get SDDM themes working on Xubuntu?

My problem is the following : I'm on Xubuntu, and I use SDDM on xfce. I need to use SDDM because there is a theme I want to use on it, I've installed it in the right folder, changed SDDM.conf, and ...
0
votes
0answers
154 views

Problem with qml on ubuntu 16.04

i've searched for answers all over the net and coulden't find nothing. evrytime i try to update or install or uninstall a file i get this msg in the terminal : dpkg: error processing package qml-...
0
votes
1answer
345 views

Lock Screen date and time configuration [duplicate]

Just installed Kubuntu 17.04 on my computer. When the lock screen comes on the time is shown as am/pm while I want to have it in 24 hours format. The date comes as yyyy.MM.dd.day, which I wanted to ...
0
votes
1answer
145 views

Snapcraft qml module

I am making a simple application on qt/qml, but I can't make the application into a snap. snapcraft write error :Project ERROR: Unknown module(s) in QT: qml quick. my Source Code. My snapcraft ...
1
vote
0answers
179 views

Getting camera buffer using Qt with c++ and QML

I am new in Ubuntu touch apps development. my question is : is there a method to get a buffer or images from phone camera using C++. after that, i must process these images pixel per pixel and past ...
0
votes
0answers
66 views

Notifications are being presented when application is in foreground

I develop an application (Qt/QML) that uses Ubuntu.PushNotifications. And I've got a problem with pushes. Official documentation tells: If the application is in the foreground when a notification ...
2
votes
0answers
68 views

Is there a way to access filesystem from a HTML5 App in Ubuntu Touch?

I'm trying to adapt a html5 app written originnally for Firefox OS to Ubuntu Touch. There are various issues, like file system access, contacts access, notifications and others. I want to know if ...
2
votes
0answers
144 views

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 ...
2
votes
1answer
337 views

Creating simple login form using Qt creator without any QtQuickControls

I am new to Qt Creator . I want to build a simple form( example a Login form) with a submit button in qml but without using any import QtQuick.Controls. How to create buttons using Rectangle component?...
1
vote
0answers
144 views

Ubuntu Touch apparmor denials when making Http Post/Get requests?

I'm trying my hand at developing a native QML app for Ubuntu Touch, but when it comes to fetching remote content from my server to populate a list view, it fails with an apparmor denial. Here is my ...
0
votes
1answer
158 views

pyotherside cannot be loaded on Ubuntu 16.10

I recently updated from Ubuntu 16.04 to Ubuntu 16.10 and want to recover an old Ubuntu Touch App that I wrote using pyotherside. I have installed both packages qml-module-io-thp-pyotherside and ...
1
vote
1answer
309 views

Is QtAudioEngine available for Ubuntu 16.04?

I'm trying to add sound to a Qt application on Ubuntu 16.04 with the Ubuntu SDK. The following QML builds but fails at run-time with module "QtAudioEngine" is not installed: import QtQuick 2.2 ...
1
vote
0answers
72 views

How do I get the Reminders app to work?

I installed the Reminders app on Ubuntu Xenial (not Ubuntu Touch): sudo apt install reminders-app It doesn't seem to start correctly: Running against the production server using main qml file from: ...
0
votes
1answer
167 views

How to create a cross-platform Ubuntu Touch app without qmlscene?

I have learned C++ and Qt to be able to create cross-platform apps. I have a very simple app built as executable that runs on desktop but I can't figure out how to make it work on my Ubuntu phone. ...
0
votes
1answer
35 views

deploy Ubuntu SDK qml app to Windows?

I'm wondering if its possible to deploy an app made with the Ubuntu SDK in qml to Windows or Mac? and also to other distros which I think should be possible through a snap? Thanks
2
votes
1answer
31k views

Installing Qt 5.x on Ubuntu globally

Hello everyone! :) I need to install Qt 5 globally on Ubuntu to be able to use QML libraries like Kirigami. However, the wast majority of Google search results tell how to install it locally (as a ...
0
votes
1answer
84 views

U1Db QML API database on Application update

I have made an application in QML that uses U1Db qml Api (sdk 15.04.5). The Application create a database to save his data. The application is already loaded on Ubuntu store and available to the users....
0
votes
1answer
356 views

ListView model reload with U1db.Query

I have a ListView with his model coming from a U1db.Query The reading and saving operation form U1db works, but i need to update the ListView model when a new item is inserted in the database, to ...
0
votes
1answer
1k views

Running QML/C++ application build with CMake is unable to run from QtCreator or snap package

I am trying to get a QML/C++ application packaged as a snap. I am using CMake as a build system. The application builds fine and I am able to run the executable by double clicking on it. When trying ...
1
vote
0answers
38 views

content hub: make my app available to others

My app uses the phone's microphone to record audio. I need to make it available to other apps so that they can call upon it whenever they want to. Say email or a messaging service like telegram ...
2
votes
1answer
1k views

Ubuntu SDK : Having difficulty getting images to work in 'QML only app' when deploying to armhf device

When I deploy my QML only program to the desktop using the Ubuntu SDK, images that I have placed in the same folder as 'Main.qml' can be accessed and displayed correctly in the application using ...
1
vote
1answer
223 views

No video shown in Ubuntu Touch QML app video player

I'm trying to play a video in an Ubuntu Touch QML app. The audio plays, but no video is shown. A minimalistic version: import QtQuick 2.4 import Ubuntu.Components 1.2 import QtMultimedia 5.5 ...
1
vote
1answer
97 views

Is qml from the terminal supposed to work on OTA-10.2

Context: Meizu PRO 5 w/ UbuntuTouch OTA-10.2 (unboxed today). Developer Mode, and a rw filesystem. Question, qml and qmlscene segfault, and have broken symlinks: phablet@ubuntu-phablet:~$ qmlscene ...
0
votes
1answer
246 views

Plasma 5.5.5 NetworkManagement Widget won't load the QML file

Hello I am using Kubuntu 16.04 using Plasma 5.5.5 and Qt version 5.5.1. I was running kernel 5.5.3 and upon upgrade to 5.5.4 the plasma widget for network management seemed to break. So I downgraded ...
0
votes
1answer
175 views

QML MediaPlayer on Ubuntu Touch

Has anyone tried to play movie link (MP4) using QML MediaPlayer on Ubuntu Touch? Currently I can only get audio but without any video. Any help would be appreciated.
1
vote
0answers
80 views

Go app won't compile in Ubuntu SDK

I'm trying to create a new Ubuntu Touch App with Go and QML using the template in the SDK. The application won't build and gives the following error. 17:41:47: Running command go get -d -u gopkg.in/...
0
votes
1answer
777 views

QT Creator cannot start ubuntu apps on ubuntu 16.04

If i create a new project with QT Creator (Ubuntu 16.04) QML App with C++ plugin (cmake) Framework: ubuntu-sdk-15.04.4-qml Desktop Unix-Generator (Desktop) ( CMake works without problems ) I start ...
1
vote
1answer
24 views

Non-existent property tools in Page

I have a code which used to work but after I upgraded to (K)ubuntu 16.04 and the latest Ubuntu-sdk, it doesn't work anymore. I get error Cannot assign to non-existent property "tools". This is my code ...
1
vote
0answers
76 views

How to use PageHeader on Ubuntu Desktop

I am trying to create an application for my Ubuntu Phone, that should be run on my desktop machine (15.10), too. It runs fine on my Ubuntu Phone (OTA 10), but when I try to run it on my desktop ...
0
votes
1answer
134 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. ...
2
votes
1answer
1k views

Get the sum of all values in a specific column of a ListView in QML [closed]

How have the sum of a column in a list view? By example the total cost : ListModel { id: fruitModel ListElement { ...
1
vote
0answers
343 views

QML unit testing: running qmltestrunner

I'm on ubuntu 14.04. I installed the Ubuntu SDK IDE. Running a QML App on my Ubuntu phone via the IDE works fine. I'm following this tutorial on testing https://developer.ubuntu.com/en/apps/qml/...
0
votes
1answer
117 views

How to download and parse a gzipped xml file with qml in Ubuntu Touch?

Currency converter tutorial is very useful in explaining how to download and parse an xml file through XmlListModel, but it seems it is not possible to parse a gizipped file in this way. How could I ...
1
vote
0answers
147 views

How to control system volume with C++/QML?

Helo, I want to develop an app. It should control the system volume by day time. I have two questions: How to change system volume in C++/QML? How can I run my app as a service that will ...
1
vote
1answer
665 views

Ubuntu SDK Error 'could not find or load the Qt platform plugin “xcb”.'

I am trying to write my first ubuntu app using the Ubuntu SDK but keep running into an error. This error turns up both with QML and HTML5 apps. I am trying this just on the template for both project ...
0
votes
1answer
116 views

Why does XMLHttpRequest used in ubuntu sdk QML application produce “Object path cannot be empty” error

When I deploy my application to my Ubuntu phone via ubuntu SDK I get the following error: QNetworkManagerInterface::QNetworkManagerInterface(QObject*) nmReply "An AppArmor policy prevents this sender ...
0
votes
1answer
56 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....
0
votes
1answer
45 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 ...
1
vote
1answer
262 views

ListModel display and if it contains [closed]

I want to know how to display a list if it contains a character. Example: ListModel { id: fruitModel ListElement { name: "Apple" cost: 2.45 } ListElement { ...
1
vote
1answer
519 views

How to create and build snappy apps ?

I am very new to Ubuntu application development. I have to develop an application for snappy Ubuntu. Now I am confused about how to do it? So here are my few questions. Which language should I use to ...
5
votes
1answer
543 views

How do I develop a Ubuntu application using the Go language?

I want to develop some application for the Ubuntu platform. But I don't know C++. I can learn QML very easily. The problem is that the logic or process behind the scene in an application seems to use ...
1
vote
2answers
7k views

How to add element for QML ListModel using Javascript?

I have created one nested ListModel. ListModel { id: mainModel ListElement { mainName: "Alphabet" subAlpha: [ ListElement { alphaName: "A" }, ...
0
votes
1answer
65 views

Does Canonical have plans to build UI Toolkit APIs for the D programming language

There are APIs for C++, JavaScript and even Go. D Programming Language makes a good candidate for building Ubuntu Next apps and less complex compared to C++ IMO. It has good C++ bindings capability + (...
3
votes
1answer
570 views

Add image files in Ubuntu QML app with C++ plugins (qrc)

I'm writing an Ubuntu QML (phone) App with C++ plugins using ubuntu-sdk. My app includes a png image and in order to include the image in the binary (so it shows on the phone) I have created a qrc ...
0
votes
1answer
997 views

How to display a QWidget in Ubuntu Touch using QML and C++?

How can I display text from QTextEdit (a QWidget) using a QML frontend and a C++ backend? I am currently developing a Ubuntu Phone app using the qmake project. I need advanced text editing ...
1
vote
1answer
1k views

QML dynamic scoping not working (ReferenceError)

I am trying to reproduce the example here where the TitlePage.qml component creates two TitleText instances even though the TitleText type is in a separate file (under Section: Component Instance ...
0
votes
1answer
48 views

ubuntu phone textfield displayed different

I am trying to build a QML application for Ubuntu phone. My form looks ok on screen (desktop), but when I put the app on the phone, the display is off. The borders around my test fields are not ...