13 Qt, QML and Felgo Tutorials & Resources for Beginners 
If you’re new to Felgo or coding, then you’re most likely new to Qt and QML too. Qt and QML go hand in hand along with Felgo to help you make cross-platform apps and 2D games in just a few days. Although it’s the easiest way to make your app or game, if you’re just starting your coding journey, you might be struggling to get to grips with all the new info you need to take in.
Thankfully, there is lots of information online, QML and Qt tutorials, to help you out. Learn more about the differences between Felgo, QML, and Qt and take advantage of these tutorials and resources to boost your coding power.
The Differences between Qt, QML and Felgo
As a newcomer, you might have a lot of questions about the differences between these three terms. Qt, QML and Felgo are all separate entities but they all interact when you create your app or game with the Felgo SDK.
Qt is a cross-platform application framework. An application framework is the software that developers use to implement the standard structure of an application. Cross-platform refers to the fact that an application only needs to be written once but works on different systems. Therefore, your apps created with Qt can run on iOS, Android, Windows, and other systems, all without having to write separate codes for them!
Like Qt, Felgo is also a cross-platform application framework. The difference, however, is that Felgo adds a large number of components, elements, and other features to the existing Qt framework to make it even easier for developers to make their mobile apps and games. So we recommend using this slightly modified framework, as it speeds up development and reduces the amount of coding involved.
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The Best Qt Tutorials
Now that you know the differences between the 3 terms, it’s time to get hands-on with them using a short QML tutorial. To start learning about Qt and Felgo, you’ll need to open up Qt Creator. This is a powerful IDE (Integrated Development Environment), available on all operating systems that will allow you to create cross-platform apps and games.
Qt Creator is included in your Felgo installation and you can learn how to set up your projects using an essential tutorial called Getting Started with Felgo and Qt Creator. This will guide you through the process of creating a new project and teach you a few simple rules of QML. This quick Qt tutorial is an absolute must for anyone learning Qt for the first time.
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After you have completed the first Qt tutorial, this video will show you some more examples of just how powerful Qt Creator is. You will see the functionality of different parts of the framework and get more acquainted with the interface itself. Make sure to check out the Examples section on the Welcome tab within Qt Creator after you have downloaded Felgo. You will find a repertoire of amazing demos and possibilities with Qt, QML, and the Felgo SDK.
Once you know Qt Creator, you can start making your own app or game. The basic elements of any project made with Qt or Felgo are QML objects. QML objects include things like buttons, switches, etc. Learning how to implement these objects will help you throughout your coding career, so it’s important to understand them before going any further. Creating QML Objects is a great starting point for beginners, so make sure to check it out. This QML tutorial will teach you the absolute basics of coding with Qt and Felgo.
For your app or game to have a level of functionality, your QML objects must be able to communicate with each other. Communication between QML Objects is a very user-friendly introduction to this subject and will teach you enough to start doing the really enjoyable stuff with your code. This is an essential part of coding both for apps and games, so definitely go through this Qt/QML tutorial.
After completing the 3 previous tutorials, there are still a few more concepts to cover in order to gain a comprehensive understanding of Qt, QML and Felgo. The next tutorial to check out will go back over some of the same material covered in the previous tutorials but it will also expose you to some more essential Qt concepts. First Steps with QML is The Qt Company’s own essential getting started tutorial and isn’t to be missed. It brings you through setting up controls within apps and handling user input.
This is a fun tutorial that shows you how to make your first simple game. Entity Based Game Design teaches you to make a game by introducing you to entities and physics, two essential concepts to understand if you’d like to make mobile games. Once these are covered, you’ll also learn about particle effects, AI and how to use sounds in your games. This is a great tutorial if you’ve never made a game before because it only takes a quarter of an hour to complete.
This long playlist of YouTube videos might look dated, but is still one of the best Qt tutorials out there if you are looking to learn C++ and the Qt framework. Note, that these videos show you the workings of Qt 4, which has been replaced by Qt 5. Most of the code in these videos is still going to work however, but you might run into a few small problems. If you look on the bright side though, finding solutions to these issues will be a great development training for you. This is a good Qt tutorial for anyone wanting to develop in the Qt core framework, without any extra features and a simplified workflow.
Although they’re not strictly Qt tutorials, the Felgo tutorials teach you a lot about Qt for both game and app development. Compared to the previously mentioned videos, these tutorials use the Felgo framework, adding useful features and shortening development time. You’ll need to download Felgo or add it to your existing Qt installation to be able to follow these tutorials. The Felgo tutorials will teach you everything from making a simple Flappy Bird game to making your first functional app. And they also explain the most important Qt and QML features in an application-oriented way.
After you have completed some easier tutorials, you might want to jump straight into deeper waters. This long session on YouTube is a great resource to follow along, with detailed explanations of the processes under the hood in a Qt application. This is a Qt tutorial, which does not use any Felgo components. It’s definitely a good way to get an overview on Qt, before starting to use the extras Felgo has to offer.
Step-by-step guide to your first Android / iOS App
The Best Qt Resources
Not surprisingly, there are a bunch of books published on the subject of learning Qt. Although some of the books listed on the Qt Wiki have become a little outdated, Qt 5 Cadaques (alias the QML Book) by Juergen Bocklage-Ryannel and Johan Thelin is an excellent read for anyone learning Qt. It’s free to read online and has a great index so you can jump exactly to what you want to know. Juergen and Johan are passionate about coding with Qt so they’re a great influence for any newcomers out there. You can find many more books listed on The Qt Company’s website.
Even if you’re a beginner, the two whitepapers The Qt Company has published should be of interest to you. Beyond the Code and Driving the User Interface are free to download and cover two very diverse areas.
Beyond the Code is a great piece on how designers and programmers can work together to deliver successful Graphical User Interfaces for embedded systems. Driving the Automotive User Interface is a little different as it’s a review of the current trend of adding graphical center-consoles to cars. Check them out to get an idea of the range of projects that can be created with Qt, QML and Felgo.
Demos and examples are a great way to learn how to make apps and games. Being able to look through other projects gives you insight into how different elements of a project are made and you can then copy them into your own applications. Look through the Felgo demos and examples to get a feel for what a finished game or mobile app project looks like. You can also have a look at the Qt demos.
You can also view all of the Felgo game examples and demos in the Felgo Sample Launcher. The Sample Launcher is a stand-alone desktop application that allows you to test all of the open-source demos and examples from Felgo quickly.
The Qt Company has released some great webinars over the years to help developers get to grips with certain topics. First and foremost, make sure to check out Get started with Qt. The other webinar that should be particularly useful to new developers is Introduction to Qt Creator. This webinar is targeted at beginners and could be just the resource you need to get started. You can also download both of these and watch them later offline. Once you’ve watched them, you can move onto Deep Dive – Qt Quick & Qt Quick Controls or one of the other more in-depth webinars.
14. Qt World Summit Talks
The Qt World Summit is an international event that takes place every year. Qt experts from around the world gather to share and discuss what they’ve learned about Qt in the previous 12 months and what they expect to learn in the coming years. Some of the videos are great for new learners as they include sample code that you can follow along with. These videos, in particular, are useful for newcomers:
Introduction to Qt Creator by Tobias Hunger
Getting Started with Qt on Android by BogDan Vatra
Qt on IOS A to Z by Mike Krus
The 8 Mistakes of QtQuick Newcomers by Luca Ottaviano, Develer
Best Practices are basically a set of Do’s and Don’ts for developers to ensure that there is a certain quality to written code. The Best Practices are open to discussion and are usually decided on a group basis. You should always try to follow Best Practices if you’re releasing an app or game, or going to be working with others on a project. It’s a good thing to learn about these Best Practices when you start coding to avoid developing any bad habits which can be problematic down the road. This one is definitely for those that are serious about learning Qt.
The Qt Wiki Learning Portal is the place to go to find even more learning resources. It’s a great collection of examples, demos, and resources for improving your Qt coding skills. Although a lot of the listings here are international language versions of other tutorials, there’s still something here for everyone.
Learn to Code with Qt and Felgo!
So now that you’ve got all of the tutorials and resources you need, go and learn to make something great with Qt. And if you find any other cool tutorials or resources, let us know and send us a direct message here.
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