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I'm looking for a free Serial Port library that works with Eclipse Helios, Windows 7 and WindowBuilder. Also, the library shall be easy to install and have a full example of usage. Due to project schedule, I can't afford to spend a lot of time trying to get this environment to cooperate.
I found JCommWin32, but that causes problems with WindowBuilder when an instance of the derived class is invoked (I had no content in the derived class, only overloaded "onRead" which was an empty method).
According to many sources on the Web, Sun dropped serial port support for Windows.
Thanks.
Another popular library is RXTX. It is not perfect, but usable.
PS. WindowBuilder vs. Serial Port Library... Are you mixed UI with serial port handling?
I have decided to use the Windows native API for Serial Port.
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I'm trying to understand how car audio media works. I have read emmc, and found here .ifs file. By using IFSTool I have extracted all files from .ifs and found Intel .jxe file. OK I have decompiled .jxe file to Oracle .jar by using this tool: https://github.com/spacemeowx2/jxe2jar I have made editions, but is there a way to convert it back to Intel JXE? What tool/software should I use?
According to the documentation for jxe2jar, the reverse conversion can be performed using jar2jxe.
As far as I can tell, that tool is only (legally1) available as a part of various IBM commercial products; e.g. WEME J9.
Unfortunately, the relevant IBM documentation doesn't seem to be publicly available either.
1 - If you google for (say) "jar2jxe download" you may find download links from (ahem) "3rd-party sites". But there are no guarantees that what you will get when you download will be 1) a legal copy, or 2) free from malware. If you need to work on a codebase that was built using IBM proprietary tools, you are strongly advised to get a legal copy of the tools for yourself.
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I am looking for a library / framework that lets me develop Java UIs (e.g., for Windows) using the Android views, layouts and animations. Things like a message loop and AsyncTask would be a great bonus. I don't want to run an emulator but simply get a jar-file.
Unfortunately, my google-foo is insufficient for this task.
Kind regards,
Volker
The project IcedRobot has the goal to develop such a framework. But unfortunately it seems to be stuck - announced in 2011 and no updates for 2 years now.
I don't think there is and will have such thing. Be able running android view system requires not only the java file but lot other native library such as SurfaceFlinger.
This is not possible as Android java is not standard java and doesn't run on JavaVM but rather on DalvikVM.
Take a look at this question:
DalvikVM Vs JavaVM in Android?
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i was just wondering if anyone knew of a portable java IDE/Compiler? Something like an iPod but not so advanced, that let's you work with and compile java?
Just thought it would be a cool idea :P
This serves the purpose. We can compile the programs without requiring Java compiler on our machine.
There is an IDE for Android which supports this, see AIDE
Search for drJava. Is a pretty complex editor and includes a(n Eclipse) compiler.
Unfortunatelly, the project seems to be dead.
If you have an iOS device (iPhone, iPod touch or iPad) at hand, you can jailbreak it and install Java from Cydia. This gives you the compiler and the VM. However, it's old and limited to command line functionality.
You can use http://ideone.com/. This is a website for compiling and running java applications Here you can create an account and save all your example programs, which you can later refer from different location or even share it with others.
You can also practice other computer languages in it. It supports more than 40 programming languages.
Have you given any thought about using codenameone platform? http://www.codenameone.com/
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I need simple modbus Java library with source code. I found on google but there is .jar file and doesn't have strong using manual. Can anybody suggest me modbus library with using manual or source code ?
You can try Jamod. I never used it, but a colleague of mine used it sometime ago and he was pleased with it.
Try this one:
http://sourceforge.net/projects/jamod/files/jamod/1.2/
By the way, you can use JDGUI to see the sources of any jar file.
FieldKit is paid and open source, and haves support for several languages including Java
jModbus Project
j2mod is a fork of jamod
If you are using Modbus RTU (Serial) Java Communications API is needed; stolen from FieldKit documentation:
The Java Communication API is available from different sources:
Sun Microsystems is publishing versions for the Solaris and the Windows platform at http://java.sun.com/products/javacomm/.
Keane Jarvi publishes a LGPL licensed Linux and cross-platform COMM API at http://www.rxtx.org/.
An excellently performing package for a large variety of platforms is the SerialPort package from Solutions Consulting at http://www.serialio.com. Using this package, poll cycles of less than 10 ms can be achieved!
Perhaps jSSC is a good javax.comm implementation too.
There is another one recent solution modbus4j.
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I'm wondering if I can access to a Posix Message Queue in Java as I have an application that can't be modified and uses a message queue to talk to other processes.
Is there any api or package that do that?
I know that I can use JNI but I need to do this ASAP so no time to develop that.
Regards.
A bit of Googling found Posix for Java.
Take a look at JNA at GitHub (latest JavaDoc). Quoting the project's description:
JNA provides Java programs easy access
to native shared libraries (DLLs on
Windows) without writing anything but
Java code—no JNI or native code is
required. This functionality is
comparable to Windows' Platform/Invoke
and Python's ctypes. Access is dynamic
at runtime without code generation.
Several projects are using it, including IntelliJ IDEA, Cassandra, and Netbeans.