(There are many ways to call Web Services in Android. Now we use ksoap, which is the client package of SOAP web services. The current version of ksoap is 2.0. One of its primary advantages is its good compatibility with dotNET. This document includes the following annexes:
Introduction to ksoap and ksoap2.jar ksoap2-android-assembly-2.5.2-jar-with-dependencies.jar
Introduction to ksoap and ksoap2. jar ksoap2.doc
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