Table of Contents

A contribution to Qt5.6: Qt NFC support for Android

In Qt 5.4 NFC support is restricted to Blackberry 10. After working on basic desktop support for Qt 5.5 through neard, basysKom decided to kick off NFC support for Android as well.

After two months of work, basysKom has committed Android NFC support to a Qt development branch, based on previous work by Juhana Jauhiainen and colleagues. The patches have passed the review process and we are proud to announce that Qt NFC support for Android will be part of Qt 5.6.

Just so you do not have to take our word for it (or build the dev branches yourself), have a look at the video.

Here you see the NFC corkboard demo from the Qt examples on Nexus 7 running Android 5.0.2 and Qt 5.5 Alpha with our NFC patches. The provided NFC tag has 3 NDEF records – one URI record and two text records. These show up as post-its on the corkboard.

Sorry, comments are disabled on this post.

Peter Rustler

Peter Rustler

Peter Rustler is Backend Software Engineer on industrial and embedded applications. He works for basysKom GmbH since 2011, where he is consulting customers. Contributer to various projects such as open62541 and Qt-Nfc. He has a strong background in Embedded Linux, systems programming, distributed systems and application development. He holds a Bachelor of Computer Science from the University of Applied Sciences in Darmstadt and has an education in communication electronics.

Read more

Qt
QML
Jeremias Bosch
Speedup your Qt/QML list scrolling on lowend devices

Something that has traditionally been complicated to achieve in Qt/QML, especially on low end hardware, is high performant list scrolling with complex delegates.
This has recently changed. In Qt 5.15, it is as simple as setting the new QML ListView property called reuseItems to true. For more details, have a look at the documentation.
In this blog post, I will explain how you can implement this feature in Qt Versions prior to 5.15.

Read More »
IoT Cloud
Azure
Heike Ziegler
IoT: Getting started with cloud and modern IoT and IIoT from scratch

IoT and IIoT applications are special compared to other kinds of cloud applications as they have to deal with devices existing “outside” of data centers.

The following series of articles provide an end-to-end overview of what Microsoft Azure offers to handle some of the challenges involved in connecting an IoT Device with the Cloud.

By working through this series you will learn about the major concepts involved in getting your IoT/IIoT device connected to Microsoft Azure. In our examples we will feature Qt, Node.Js, Protobuf from Google and much more to get you started.

Read More »
OPC UA open62541
OPC UA
Frank Meerkötter
Qt OPC UA: Logging improvements in Qt 6.1

So far programs using Qt OPC UA with the open62541 back-end produced quite a bit of chatter on stdout originating from the open62541 stack itself. Unfortunately there was no simple way to get rid of these low-level logs. We now provide a way to control this behavior.

Read More »