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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0
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0answers
7 views

ListModel display and if it contains

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
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1answer
34 views

Ubuntu sdk autopilot3 error

When I try to run the hello world application in de ubuntu sdk, i get this error: Can someone please help me to fix this?
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0answers
27 views

Ideal language & IDE for creating native desktop Ubuntu apps [closed]

I'm in process of creating a native desktop application for Ubuntu (targeting x86 specifically). I'm considering Vala and QML (with C++ backend). As the app I'm planning to make requires strong ...
1
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0answers
28 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 ...
1
vote
1answer
68 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 ...
1
vote
1answer
212 views

Why does my QQuick application crash on Ubuntu 14.04?

Basically I have (The Game class just wraps QGuiApplication): int Game::run() { QQuickView * mMainView = new QQuickView; mMainView->setResizeMode(QQuickView::SizeRootObjectToView); ...
3
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0answers
121 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 ...
0
votes
2answers
79 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
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1answer
34 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
48 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 ...
1
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0answers
77 views

How to perform a Dial Call using Ubuntu API

I'd like to know how to perform a Dial Call using Ubuntu API. I couldn't find anything in the API doc: https://developer.ubuntu.com/api/apps/qml/sdk-15.04.1/ thx,
0
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1answer
70 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 ...
3
votes
3answers
647 views

using ubuntu-sdk to create app with problems

I upgraded my ubuntu 14.04 to 14.10 to use the latest ubuntu-sdk. But When I created a simple UI project there is just a red wave line under the "import Ubuntu.Components.1.1". So I moved my mouse to ...
1
vote
1answer
32 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
32 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 ...
0
votes
0answers
11 views

Select Audio Device from within QML

I am trying to write a small qml app for audio playback. I was wondering, whether it is possible to choose the Audio Device from within QML (so without c++). The QtMultimedia.Audio element is not ...
0
votes
1answer
65 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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0answers
36 views

QML Ubuntu Touch: How share to another app?

I would like to share from a QML file a string to another application (through the native "Share to" page). I can't find documentation about this. My doubts are: Can it be done with an URL ...
1
vote
0answers
89 views

How to Send SMS and MMS using Ubuntu API

Is it possible to Send SMS and MMS using Ubuntu API? I've searched in the following documentation, but I cannot find anything about that. https://developer.ubuntu.com/api/apps/qml/sdk-15.04.1/ thx, ...
1
vote
0answers
62 views

QtBluetooth support for Ubuntu Touch

I like to build a qml-based app with bluetooth support. My code works well for the Desktop Kit in the Ubuntu SDK but fails on the BQ Aquaris 4.5 with the error message 'module "QtBluetooth" is not ...
1
vote
0answers
50 views

ubuntu-sdk mkspec

I followed instructions in Ubuntu SDK to install the IDE. No problem. I can write an app and run it in the desktop, but not in my Ubuntu BQ 4.5. The kit is wrong and several errors appear: "Mkspec not ...
0
votes
0answers
70 views

TreeView in QML dosen't work?

I have installed the latest Qt 5.5.0, but there seems to be only QtQuick.Controls 1.0 and 1.1. I want to use TreeView, which is contained in the 1.4 version.
2
votes
1answer
89 views

Pure Qt application (QML/QtQuick) on Ubuntu Phone?

I have a Qt application that is based on QML/QtQuick and runs, among other platforms, on Android. Is it possible to compile this application without (major) modifications for Ubuntu phone? If yes, ...
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1answer
100 views

How to save variables for all pages in qml?

I am currently working on a game for Ubuntu touch. It is as good as finished, but one thing does not work: I have multiple pages using PageStack and want to have some variables which i can reach, ...
0
votes
0answers
89 views

No decoder available for type 'video/x-msmpeg, msmpegversion=(int)42,

I am using QtMultimedia class in QML: http://doc.qt.io/qt-5/qml-qtmultimedia-video.html When I run the first example program shown in the above link, I get the following error: Warning: "No decoder ...
2
votes
2answers
278 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 ...
24
votes
2answers
964 views

How to lock ubuntu device orientation in portrait or landscape from user input?

I am working on a reader app to be used on Ubuntu-Touch. When reading books from the app it would be a helpful feature to lock the orientation in either portrait or landscape. This would be useful ...
0
votes
1answer
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 ...
1
vote
1answer
22 views

How do you detect the end of a live drag with the new ListItem?

The new ListItem has the ability to do live drag-and-drop reorderings. When one is in progress, how do you detect its end? The ListItem had the ViewItems.onDragUpdated signal, which should fire for ...
0
votes
1answer
65 views

SDK QML slider on release signal

I am using the slider component from the 15.04 Ubuntu SDK components, see here for the docs. Currently, there is no signal for releasing the slider handle, but there is one for when it is touched ...
0
votes
1answer
117 views

How to install the qmlscene module version need?

I'm trying to run a QML without the Ubuntu SDK in Ubuntu 14.04. costales@desktop:~/Desktop$ qmlscene qml/Main.qml file:///home/costales/Desktop/unav_jkb/qml/Main.qml:16 module "QtQuick" version 2.4 ...
0
votes
0answers
44 views

Can't set visibility property on QML MainView

Am I supposed to be able to write in a button's onClick method: mainView.visibility=FullScreen ? (I have set my MainView's ID to "mainView".) When I try this I get the error Error: Cannot assign ...
3
votes
2answers
987 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 ...
0
votes
2answers
71 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 { ...
0
votes
1answer
54 views

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, ...
3
votes
1answer
218 views

How to handle QML application shutdown?

I need to persist the state of a QML application when it shuts down, and to read it when the application loads. I tried using Component.onCompleted and Component.onDestruction inside the MainView's ...
0
votes
1answer
37 views

How to keep an UbuntuListView between its boundaries?

I have an UbuntuListView in a QML application for Ubuntu Touch. Above it, there's another component - a TextField. The initial position of the list looks good. Also, if the list is smaller than the ...
4
votes
0answers
356 views

(QML) Flickable not working as supposed

So, while building an Ubuntu app I needed to use Flickable for scrolling, so now I have code of the form Page{ ... Flickable { anchors.fill: parent content.height: element1.height + ...
0
votes
1answer
51 views

How to delete from an UbuntuListView?

I'm trying to learn how to use an UbuntuListView. Items will be added at runtime, but for demo I just hardcoded them. What I need is a way of removing existing list items. Here's my code and a ...
0
votes
0answers
37 views

ListItemActions leadingActions and trailingActions not working

I am having trouble getting leadingActions and trailingActions in ubuntu-sdk ListItemActions to work. QtCreator just underlines the two properties and throws an error message about "cannot assign to ...
0
votes
0answers
147 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 ...
1
vote
1answer
91 views

QtQuick Controls for armfh kit Ubuntu SDK (Ubuntu 15.04)

An app that I am working on compiles and runs fine on the desktop but when run from the Aquaris 4.5 Ubuntu SDK keeps throwing messages about QtQuick Controls not found. On checking the path, I found ...
3
votes
1answer
484 views

Buttons in ubuntu touch toolbar

What is the code to have a toolbar with buttons when programing in QML with the Ubuntu Components Module. I want to make it so that when I swipe a finger from the bottom of the screen the toolbar ...
1
vote
1answer
204 views

How to open a browser when the TextEdit::onLinkActivated signal is received

I'd like to open a browser window to display the URL received by a TextEdit onLinkActivated signal. Is it possible to perform such call from the QML application?
1
vote
2answers
167 views

Access document files from QML

I am writing a QML-App for Nexus 4 running Ubuntu touch. I have to access some files stored in /home/phablet/Documents. As I read here: Use Pictures for an Image object in QML for Ubuntu Touch this ...
0
votes
1answer
130 views

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
votes
1answer
51 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 ...
0
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0answers
38 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 ...
0
votes
1answer
73 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 ...
2
votes
1answer
244 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 ...