Normally in Java we would use JNI to access “native” however, JNI is designed to access C and we need much more. Codename One allows developers to access Dalvik (Java) when running under Android and defines that as “native”, C# when running in Windows Phone and Objective-C when running under iOS. Because of that it is remarkably hard to map arbitrary objects, callbacks and functionality to a native call. So to simplify that work we placed many restrictions on the construction of a native interface, however you can still accomplish pretty spectacular things such as a
complete working socket implementation
Check out the new
How Do I? video we just published covering native interfaces
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