JNA
Introducing .NET Multi-platform App UI (MAUI)
Our great sponsors
JNA | Introducing .NET Multi-platform App UI (MAUI) | |
---|---|---|
22 | 273 | |
8,227 | 21,369 | |
0.7% | 0.8% | |
7.8 | 9.9 | |
1 day ago | 6 days ago | |
Java | C# | |
GNU General Public License v3.0 or later | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
JNA
-
FFM (Foreign Function and Memory API) Goes Final
As far as I understand it, with JNA, all calls into C code go through libffi: https://github.com/java-native-access/jna/blob/master/www/Fu...
This means that every call sets up some libffi data structures and libffi uses this information to perform the native call. Likewise in the other direction for return values. With JNI (and Panama), Hotspot can directly emit the argument/return code a the call, not too dissimilar from what a C or C++ compiler would do. There is still some overhead from maintaining JVM invariants. For example, I think a thread blocked in an FFI call can still participate in a safepoint. But that applies to JNI as well.
-
Are there any Non-Mobile Kotlin Native libraries wrapping C libraries like libhidapi/opengl?
If you were prepared to go to the JVM you might try JNA. https://github.com/java-native-access/jna
-
How to create fundamental libraries for my language?
Other good example, but for Java platform is JNA library. Do not mix it with Java's JNI, which is a bad example of how it could be done.
-
Does Java 18 finally have a better alternative to JNI?
The complexity of JNI has given rise to some community-driven libraries that make it simpler to do FFI in Java. Java Native Access (JNA) is one of them. It's built on top of JNI and at least makes FFI easier to use, especially as it removes the need to write any C binding code manually and reduces the chances of memory safety issues. Still, it has some of the disadvantages of being JNI-based and is slightly slower than JNI in many cases. However, JNA is widely used and battle-tested, so definitely a better option than using JNI directly.
-
JEP 419: Foreign Function and Memory API
This is about calling into any native operating system APIs, as long as they are callable via C or C++ (which these days means "all" operating system APIs).
JNI is somewhat harder to use, because you need custom glue on both sides of the border: Some custom classes in Java and some custom code on the C (and C++) side.
This proposal would remove the need for the glue on the C side and would allow a pure java solution.
Something like this has existed in third-party form for a while as JNA (https://github.com/java-native-access/jna), but now it's going to be built into the JRE itself (if the proposal passes through review)
-
Choosing Java as your language for a Machine Learning project
I use JNA https://github.com/java-native-access/jna , as you can write the entire interface in Java faster as well as easier without the need of messing with the complexities of JNI.
-
Creating GUI without framework or library
This (still someone else's code) will give you access to low level operating system APIs. For example, this will let you interact directly with the Windows COM, which lets you define interfaces and implement them: https://github.com/java-native-access/jna
-
Obvious and possible software innovations nobody does
JNA looks reasonable for accessing native code from Java: https://github.com/java-native-access/jna/blob/master/www/Ge...
-
Making Win32 APIs More Accessible to More Languages
I was the de facto maintainer of JNA (https://github.com/java-native-access/jna) win32 bindings for years. The API metadata is welcome - we have always based all work on header files in the visual studio / windows SDK. Now there’s a change to generate that code - someone might want to try to replace hand crafted mappings in JNA with generated ones - there’s a huge test suite to work with.
-
Advanced AI
In case you have existing low level code in C/C++ and you want to integrate it with Java, there's https://github.com/java-native-access/jna But it's fairly unwieldy to work with, and calls Java=>C carry an overhead, so you want as few of them as possible. Which in ROTP means you want to transport all the relevant data into your AI code, then do the processing on a handful of calls, then return the result. Alternatively, an option would be to export say savegame (or other data) as JSON, run your AI module as a separate process, and then write the results to another file. While ROTP at the moment cannot do JSON save games, I have begun looking into it.
Introducing .NET Multi-platform App UI (MAUI)
-
.NET 8 – .NET Blog
It's a bit of a hit and miss as of today. CLI, back-end and natively compiled libraries (think dll/so/dylib or even .lib/.a - you can statically link NAOT binaries into other "unmanaged" code) work best, GUI - requires more work.
Avalonia[0] and MAUI[1] have known working templates with it, but YMMV.
[0] https://github.com/lixinyang123/AvaloniaAOT / https://github.com/AvaloniaUI/Avalonia/ / honorable mention https://github.com/VincentH-Net/CSharpForMarkup
[1] https://github.com/dotnet/maui (try out with just true in csproj - it is known to work e.g. on iOS)
-
What's New in Final RC for .NET 8, .NET MAUI, Asp.net Core and EF8
While this is the quite endorsed by the community: https://github.com/dotnet/maui/discussions/339
I think the fundamental issue is that desktop Linux is way too fragmented. Not only just GTK2/3 and Qt but you have GNOME, KDE, XFCE, Cinnamon and then you have X11, Xorg, Wayland...
To be honest, all those craps are why desktop Linux never took off. I'm very safe to say MAUI for Linux will eventually renders components off its own using framebuffer and hardware acceleration APIs such as OpenGL or Vulkan just because of the market fragmentations...
If desktop Linux truly wants to get the attention, it will need to unify. Fixing dependency hell using Flatpak is the right direction.
There is an existing old fork of MAUI for Linux that uses GTK: https://github.com/jsuarezruiz/maui-linux
-
I'm getting tired of these new waves of posts against Maui
But, if you really want to add some value, luckily, Maui is an open source platform, the code is right there, dig into it, and learn how it works under the hood (it will also help you to learn a lot, trust me), you found something to be fixed and know how to do it? then do fix it and open a PR with the solution, you found a workaround to some issues? Then open a PR with the solution or share it with others.
Looking at the oft-mentioned 2.3K issues on the MAUI repo, I think there's a pretty even split a given issue will be one of these: valid, duplicate, user error, feature request. Seriously, just scroll through the first couple of pages. Maybe they need to control that better, but it seems far from representative of "MAUI bugs".
- Is it possible to build a "desktop" type app with Blazor WebAssembly/PWA?
-
MauiKit 3.0 released
The official issue is already 3 years old... https://github.com/dotnet/maui/issues/34
-
Memory leaks in pages
I have some memory heavy pages which causing the problem because android never disposes transient pages: https://github.com/dotnet/maui/issues/14654
-
Anyone willing to discuss a potential effort to add Web Assembly to .NET MAUI as an Open Source project?
you mean like this: https://github.com/dotnet/maui/issues/4528 ?
-
Duda carrera: C#/.NET vs. Node/Express
MAUI (sucesor de Xamarin.Forms): Licencia MIT.
-
ShellContent Icons do not respond to theme change
Github bug #11849Here
What are some alternatives?
Flutter - Flutter makes it easy and fast to build beautiful apps for mobile and beyond
Avalonia - Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET Foundation community project.
WPF - WPF is a .NET Core UI framework for building Windows desktop applications.
maui-linux - .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.
Uno Platform - Build Mobile, Desktop and WebAssembly apps with C# and XAML. Today. Open source and professionally supported.
react-native-windows - A framework for building native Windows apps with React.
material-design-icons - Material Design icons by Google
Mono - Mono open source ECMA CLI, C# and .NET implementation.
ASP.NET Core - ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
Socket.io - Realtime application framework (Node.JS server)
JNR - Java Abstracted Foreign Function Layer
JavaCPP - The missing bridge between Java and native C++