Questions related to the development of QML applications on the Ubuntu environment. QML is a core programming language for Ubuntu & Ubuntu Touch.

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1answer
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QtWebSockets not available on Ubuntu Touch

I'm developing an Ubuntu Touch application which communicates with a server using WebSockets. Qt offers its own API since version 5.3, which can be used from a QML file by adding import QtWebSockets ...
0
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1answer
21 views

Cannot detect if a MouseArea is over a GridView item

This question is not specific for the Ubuntu platform, but as I am developing an Ubuntu Touch app, I'd like to ask first here. I have a list of UbuntuShapes arranged in a GridView - generated from a ...
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0answers
11 views

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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1answer
76 views

How do I simply run an ubuntu touch app from the terminal?

I've got a qml file and I just want to ssh to the phone and do qmlscene myfile.qml Is it possible without doing all that stuff with SDK and packages? Just vim and some simple commands that can fit ...
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23 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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1answer
24 views

Is it possible in Ubuntu app, start C++ function from javascript?

I have application using QML and C++ and want to start C++ function from javascript . Is it possible ?
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1answer
26 views

How to identify programically in QML app, where is located my sqlite database file

I have QML application which use as well C++ . From C++ I need to connect to DB ( sqlite ) . For this I need to know the exact name and location of the database file . How to identify it ? Or how to ...
1
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1answer
55 views

Show JSON in QML without list [closed]

I would like to display data from a JSON file in my application for Ubuntu Touch. But the data is displayed only in list, how to display it differently? My code : function load() { ...
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2answers
6 views

Why PageStack won't send property?

I have a basic code but it's impossible to send a property to an external page This is my main.qml : PageStack { id: pageStack Component.onCompleted: push(pageMain) Page { ...
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0answers
31 views

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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0answers
24 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
24 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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0answers
33 views

Ubuntu SDK include error because of import [QML/JS]

Here are my files : SettingsController.js .import QtQuick.LocalStorage 2.0 as Sql var result=Qt.include("MainController.js") Qt.include("DatabaseDefault.js") console.log(result.status) ...
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0answers
36 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: ...
0
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1answer
37 views

What's the proper way of connecting a signal to a JavaScript method?

In an Ubuntu phone application, I need to perform some logic when an event occurs. Since I don't want to pollute the QML with too many lines of JavaScript, I made a class in an external file and I ...
0
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1answer
26 views

'ReferenceError: contents is not defined' with U1db

I'm trying to read information from a database of U1db. I encountered this error 'ReferenceError: contents is not defined' Here's my code: import U1db 1.0 as U1db U1db.Database { ...
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0answers
29 views

Ubuntu Touch emulator does not run app

I'm having troubles to run the default project app. It simply shows "Waiting for your emulator to get ready". After it is already running. The emulator is using a kit with 14.04 framework. So does ...
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0answers
45 views

System command QML runs only in Desktop Kit

Following another thread Run system commands from QML App, I wrote a program that calls command arecord. I only replaced some lines in Main.qml: ... onClicked: { var lista1 = ...
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0answers
15 views

How to get the DPI of an ubuntu touch device

I would like to know the DPI of an ubuntu device so for example I could make a ruler app.
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0answers
38 views

How to make Ubuntu touch qml app fullscreen

I am making an Ubuntu touch app and I am wondering how you can make things such as games fullscreen like PathWind. Which means removing the notification bar. If I have a qml object as my main object, ...
1
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1answer
63 views

QML Blinking animation

I need a blinking animation for an icon, I did this so far: Icon{ id: bigLike name: "like" color: "white" opacity: 0 ...
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0answers
29 views

How to add items to a listview from the user perspective

I wanted to know how could I make it for a user to add items to my listview, so that his events could stay there, and later move to a database. beneath it the code I've for my listview now i want know ...
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1answer
105 views

Can't run QML app with C++ plugin (cmake) in emulator

I am using Ubuntu 15.04. I created a project QML app with C++ plugin (cmake), and then I want to start it. In desktop it's running fine. When I tried to start it in emulator I got: Framework ...
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0answers
22 views

SpinBox and ColorDialog on Ubuntu phone

I would like to create an app which need to use SpinBox and ColorDialog. These components need QtQuick.Controls to work but seems to not be installed. How install QtQuick.Controls as requirement for ...
0
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1answer
39 views

How to build a package for my QML app?

I want to build a package for my app, written with C++ and QML. For this I'm using Ubuntu SDK. I'm working on Ubuntu 15.04. Here is the project tree : Player : player.qmlproject components (a ...
1
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1answer
59 views

Ubuntu Phone - detect system type Desktop or Mobile

Is there a way to detect platform from QML or Qt C++ classes? I have Qt/QML project supplied to Linux/Android/Windows at one time, I see it's possible to deploy it to Ubuntu Phone. Is there a way to ...
0
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1answer
19 views

How to make a custom button provide haptic feedback

I've got a custom round button that is derived from Ubuntu.Components.AbstractButton. Looking at the documentation, it states that: All components deriving from this class support haptic feedback ...
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0answers
22 views

Tutorial for StyledItems for Ubuntu Touch

Is there any toturial or example how to modify the style of StyledItems? I'm writing an QML app and want to modify some header layout items, without copying and modding all ambiance theme files. For ...
2
votes
1answer
287 views

kde clock format: how to include the day in a non-tiny font?

I'm using KDE on Kubuntu 15.04. I want my taskbar clock to look like this: Sun 19 15:11 (or AM/PM would be ok, main thing is Day / Date in the same font size as the time. I don't need my computer ...
2
votes
1answer
75 views

How to make a QML Canvas visible?

I'm trying to draw something on the screen in an Ubuntu phone application. I created a new "QML App with Simple UI (qmlproject)" in Ubuntu SDK, and replaced the content of Main.qml with the following: ...
0
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1answer
82 views

Building ubuntu touch app with sql (mysql) support problem

i`m trying to develop simple ubuntu application. This application should connect to remove mysql server, query and display data in UbuntuListView. Project was created in Qt Creator 3.1.1 as QML app ...
1
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1answer
110 views

Hide notification bar on Ubuntu phone (QML)

I would like to create and QML app with Ubuntu SDK for ubuntu phone. I am not able to hide the notification bar at top of the screen. What is the way to hide it ? If it's not possible in QML only, ...
1
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1answer
106 views

QML app with C++ plugin (cmake) subdirectory

I am developing an Ubuntu Phone application "QML app with C++ plugin (cmake)" but I have so many qml files so I want to separate them by functionality ApplicationName CMakeListes.txt .. app ...
2
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2answers
112 views

Cannot run QML App with C++ plugin

I'm trying to extend a QML App with C++ functionality. Basically I want to make the MythMote app which is available on Android available on Ubuntu Touch. Also see my other question for which I would ...
0
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1answer
48 views

File storage location for ubuntu application

In my application I plan to store files locally ( exported files ) and import files which user copy via USB to the disk. Where to locate such application files ? Is there some recomendation ?
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0answers
65 views

ubuntu-sdk showing blank spaces where icons should be

When I launch Ubuntu-SDK in Ubuntu 14.10 (64-bit) every Qt Creator aspect works normally except all the content that was specifically added by canonical. This is especially annoying in the 'Welcome' ...
0
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1answer
39 views

qtserialport in c++ app ubuntu

Can someone please tell me how to install the qtserialport to use in a c++ project in ubuntu? Thanks.
0
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1answer
41 views

UbuntuListView ListItem.Expandable example?

I am playing with the Expandable ListItem components: UbuntuListView { id: myList model: 2 delegate: ListItem.Expandable { expandedHeight: units.gu(20) Label { text: "Expand me" } ...
0
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1answer
58 views

Dynamic object creation im QML

I am new to QML and would like to understand how object creation works when splitting code over different files (as it feels like a good code practice). I know I can call property of an item within ...
1
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1answer
110 views

Ubuntu Touch QML API : PageHeadStyle

I'm looking for some help to use PageHeadStyle components which is available in Ubuntu SDK. If somebody has example, I will be grateful. Thanks.
2
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2answers
96 views

How does one get the ambient light conditions in Ubuntu Touch?

I am planning to make an app which would switch between Light and Dark theme based on the ambient light conditions. So if it was a dark room, then the app would switch to a dark theme to reduce the ...
0
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0answers
36 views

Can't start application in the Emulator

I created in UBUNTU SDK new project ( QML App with C++ plugin ). I can run it as desktop application, but when I want to start it in the emulator I got following error : ...
0
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0answers
59 views

How to add ScrollBar to combobox QML

I hav a combobox with 100 ligne in QML ComboBox{ id: id width: 180 Model : liste() } How to add a scrollBar in this ...
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0answers
44 views

Where can I find the Ubuntu qml components?

I decided to give Ubuntu-SDK a try but it would not work properly, showing app a weird transparent window most of the time that would not go away or at least get out of the foreground. I could not ...
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0answers
32 views

Ubuntu's appindicator using QML

Is it possible to create a Unity indicator for my app which is written in QML?
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0answers
60 views

QML - Tabs - Header layout

the default style of the Tabs is like this: but how to make it look like this? thanks
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0answers
17 views

QT Quick Test problem [duplicate]

I have a QML file and I want to test the function of this test , in this file I have some import like import ValueField 1.0 , import MyModule 1.0 and I need this imports So when I run the QT Quick ...
0
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0answers
42 views

Error while installing QML app on ubuntu device using QT creator

I am getting following errors when try to install an application on my Nexus 4 having Latest Ubuntu Touch OS. :-1: error: lint_maintainer_domain: (EMAIL NEEDS HUMAN REVIEW) email domain too long ...
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1answer
125 views

Problem in QT Quick Test for QML application

I have a problem in QT Quick Test for QML application, when I add import in my file.qml like: import QtQuick 2.3 import QtTest 1.0 import ValueField 1.0 <--- import "../myFile.qml" <--- ...
0
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1answer
36 views

Ubuntu sdk filedialog

I have tried to make a video playback application and this is the code I have got so far: import QtQuick 2.0 import QtMultimedia 5.0 import Ubuntu.Components 1.1 import QtQuick.Dialogs 1.0 Video { ...