Dev Loop

Ari Salmi at SnowGrains

Qt Cloud Messaging API Available for Embedded Systems

Published Tuesday January 2nd, 2018 | 6 Comments on Qt Cloud Messaging API Available for Embedded Systems
Posted in Cloud, cross-platform, Dev Loop, Embedded | Tags: , , , , ,

Challenges with cloud messaging for embedded devices has inspired the Kaltiot & SnowGrains teams to create a cross-platform Qt API which enables easy push messaging from and to embedded devices. The API is called the Qt Cloud Messaging API and it is built with flexibility and extensibility in mind. We have decided to target other Qt areas, too, and make the API easily extensible […]

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Svenn-Arne Dragly

Increasing the number of lights in Qt 3D

Published Tuesday December 5th, 2017 | Comments Off on Increasing the number of lights in Qt 3D
Posted in Dev Loop, Graphics, OpenGL, Qt 3D

While it is possible to draw scenes with almost unlimited numbers of lights using deferred rendering in Qt 3D, the default materials in Qt 3D Extras have been limited to eight lights because they are tied to forward rendering. Although we apply a few tricks that allow you to define more than eight lights in […]

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Ekkehard Gentz [Independent Software Architect, Consultant]

Sharing Files on Android or iOS from your Qt App

Published Friday December 1st, 2017 | 11 Comments on Sharing Files on Android or iOS from your Qt App
Posted in Community, Dev Loop, Mobile | Tags: , ,

It‘s a common usecase to share Files or Content from native Android or iOS Apps with other Apps on your phone. So I thought this would be an easy task to add sharing to my mobile Apps built with QtQuickControls2. Found the Blog from Eskil Abrahamsen Blomfeld about Intents with Qt for Android, part 1. […]

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Shawn Rutledge

Say hello to Qt Quick Pointer Handlers

Published Thursday November 23rd, 2017 | 20 Comments on Say hello to Qt Quick Pointer Handlers
Posted in Declarative UI, Dev Loop, Gesture Recognizers, Labs, Qt Quick | Tags: , , , ,

We’ve known for several years that our multi-touch support in Qt Quick has been inadequate for many use cases.  We have PinchArea, to handle two-finger scaling, rotation and dragging; and MultiPointTouchArea, which can at least be used to show some sort of interactive feedback for the touchpoints, or maybe you could write a little state […]

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J-P Nurmi

Are you ready for Qt Quick Controls 2.3?

Published Thursday November 23rd, 2017 | 25 Comments on Are you ready for Qt Quick Controls 2.3?
Posted in Dev Loop, Qt Quick 2, Qt Quick Controls, Styles, UI

This blog post takes a brief look at some of the new features in Qt Quick Controls 2.3 released as part of Qt 5.10. See also New Features in Qt 5.10 for a more detailed list. New styles We are introducing two new styles: Fusion and Imagine. The Fusion style looks familiar to those who […]

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Mitch Curtis

Qt Quick Controls 2: Imagine Style

Published Thursday November 23rd, 2017 | 7 Comments on Qt Quick Controls 2: Imagine Style
Posted in Biz Circuit & Dev Loop, Design, Dev Loop, Qt Quick 2, Qt Quick Controls, Styles, UI

Back in April we wrote about image-based styling for Qt Quick Controls 2. Since then, we have made good progress and nailed down some aspects that were still under consideration. We call the new style “Imagine”. The style works by scanning a directory of images and applying those images to the controls. For example, when a Button […]

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Tuukka Turunen

Qt 5.9.3 Released

Published Wednesday November 22nd, 2017 | 14 Comments on Qt 5.9.3 Released
Posted in Dev Loop, Qt, Releases

I am pleased to inform that Qt 5.9.3 is released today. As a patch release Qt 5.9.3 does not add any new functionality, focus is in bug fixes and performance improvements. Compared to Qt 5.9.2, the new Qt 5.9.3 contains over 100 bug fixes and in total more than 500 changes since Qt 5.9.2. For details of the most important changes, […]

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Eskil Abrahamsen Blomfeldt

Security advisory about Qt for Android

Published Wednesday November 22nd, 2017 | 3 Comments on Security advisory about Qt for Android
Posted in Android, Announcements, Dev Loop, Security

Two vulnerabilities have been identified in Qt for Android which could be used by a malicious application to hijack an existing Qt for Android application on the same device. The vulnerabilities in question were found by Satoru Nagaoka from Cyber Defense Institute, Inc., and have been assigned the following vulnerability IDs: JVN#27342829 and JVN#67389262. These […]

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Jesús Fernández

Qt WebGL: Cinematic Experience

Published Tuesday November 14th, 2017 | 16 Comments on Qt WebGL: Cinematic Experience
Posted in Dev Loop, Qt Quick | Tags: , , ,

Following the previous blog posts related to the Qt WebGL plug-in development updates, we have some features to show. As a quick recap: Qt WebGL QPA plug-in is a new platform plug-in which will allow your Qt Quick applications to be streamed and ran directly into the browser using streaming of OpenGL calls and rendered […]

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