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Is there any library that can be used to convert Android java code to iOS ? Please if more than one enumerate the advantages.
There is J2ObjC from Google to achieve this.
There are two nice tools available which will be useful for those who work on both Android as well as iOs
Java to Objective c converter click here to visit.
Objective c to Java converter click here to visit.
check this project from Google http://google-opensource.blogspot.com.es/2012/09/j2objc-java-to-ios-objective-c.html, this is the only one that I here about. I make a few test a time ago and the result was not so good.
use J2ObjC
The open-source tool, which automatically converts Java source code into the Objective-C language that is used in native iPhone and iPad apps
Yes J2ObjC. Google developed.
http://code.google.com/p/j2objc/
http://www.androidcentral.com/google-develops-tool-translate-java-ios-friendly-objective-c-code
You might wanna have a look at J2Objc.it is an open-source command-line tool from Google that translates Java code to Objective-C for the iOS (iPhone/iPad) platform.
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I want to develop for iPhone. I have only a little experience with programming in general. I am tossing up between Java on Eclipse with LibGDX OR Swift on Xcode. I have developer accounts so don't worry about that. Any suggestions?
If you want to develop only for iPhone/Mac, use Swift (or/and Objective-C) and Xcode. Everything will be smoother and Apps will be native. Keep in mind, though, that Swift/Xcode 6 are still in Beta, so you may encounter some difficulties if you want to ship your apps immediately. Apple should release the first stable version of Xcode with Swift before the end of the year, though, so you will need only a little bit of patience.
If you want your applications to be available in non-Apple platforms, then maybe go with Java, etc.
Side note: There is the chance that Apple makes Swift open, so developing with Swift for non-Apple platforms would be potentially possible... But I wouldn't count on it, though, at least for the near future.
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if I have a native android app (written in Java of course), what cross platform tool would you recommend to make it usable on iOS as well? I have been reading quite a lot about it, but most toold require code being written in html,css,js (phonegap, appcelerator etc), or for instance c# (xamarin), but which one would wrap my java code?
There is no solution that will work out of the box. You'll likely have to rewrite at least the UI whatever way you choose.
If you want the code to run on any mobile platform, you'll have to rewrite your code in html/css/js.
If you just want it to run on iOS, you have these options:
If you actually want to use the very same code, use RoboVM. This will allow you to parts of the original Java code on iOS in a JVM.
Another approach would be to automatically generate Objective C code from your Java code. This can be done using J2ObjC.
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I'm looking for a good charting library for Java. It can be open source or not and I need it to work in a stand alone client application rather than web-based.
We do have some dynamic charts however which scroll across the screen as data are provided that were done in MS chart and will need to be redone so not sure if JChart will accomplish this in an acceptable manner.
Are there any java charting libraries right in the J2SE API? I've also run across Oracle Chart Builder, but can't seem to find any information on it other than this link: http://download.oracle.com/docs/html/A96127_01/jcb_intro.htm Has anyone ever heard of it before?
JFreeChart is an excellent open source charting library for java.
The samples demo (Java Web Start version or in the distribution) contains a section under Miscellaneous called Dynamic Charts (in addition to lots of others). The source code for the demos is available via the official documentation (the purchase of which supports the project).
http://www.jfree.org/jfreechart/ - I used it for small project. Rendering dynamic data was quite complex but possible.
It's open source but you probably will have to pay for doc if you would like to do something serious.
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I am looking for a opens source SDK in java for fingerprint matching with good accuracy.
Can anyone suggest me one?
I realize this post is old, but I was just looking for a similar answer today and came across this post. I have not used this SDK, but reading the documentation the API seems straight forward and simple to use.
http://sourceforge.net/apps/mediawiki/sourceafis/index.php?title=SourceAFIS
I don't think such a SDK exists. Opensource and in Java?
Java is already not the best language for direct hardware access (thinking of the finger print readers). And you didn't mention which finger print reader it should be for.
If you want a SDK which is able to use multiple readers I suggest reading this answer to a similar question
Is there a fingerprint reader api/sdk?
Here are some (can't vouch for quality):
Biometric SDK
Level 3 Fingerprint Image Toolkit
http://sourceforge.net/projects/biometricsdk/
this SDK is available for java and C++ (good for direct Hardware access).
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What is the best tool out there at the moment to convert java to c#? Apart from
j2ctranslator
j#
I use IKVM at the moment.
For your reference:
Sharpen by db4o
XES
RemoteSoft Octopus (commercial)
Note: I had no experience on them.
Don't. Leave them as Java and use IKVM to convert them to .Net DLLs.
http://www.ikvm.net/devguide/java2net.html
http://sourceforge.net/apps/mediawiki/ikvm/index.php?title=Ikvmc
I've had good results with this one. Much easier to use than Sharpen.
http://tangiblesoftwaresolutions.com/Product_Details/Java_to_CSharp_Converter.html
Microsoft has a tool called JLCA: Java Language Conversion Assistant. I can't tell if it is better though, as I have never compared the two.