我想将.net网络服务称为Android应用程序。为此，我使用网络上可用的运行Web服务 “www.w3schools.com/webservices/tempconvert.asmx”
它正在使用浏览器成功运行，但是当我在我的Android应用程序中调用它时，它会在我的标签设备中出错。 log cat信息如下所示：
06-08 17:27:16.351: E/dalvikvm(5767): Could not find class 'org.ksoap2.serialization.SoapObject', referenced from method com.example.wscallingapk.WS_MainActivity.onCreate
06-08 17:27:22.612: E/AndroidRuntime(5767): FATAL EXCEPTION: main
06-08 17:27:22.612: E/AndroidRuntime(5767): java.lang.NoClassDefFoundError: org.ksoap2.serialization.SoapObject
06-08 17:27:22.612: E/AndroidRuntime(5767): at com.example.wscallingapk.WS_MainActivity.onCreate(WS_MainActivity.java:37)
06-08 17:27:22.612: E/AndroidRuntime(5767): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
06-08 17:27:22.612: E/AndroidRuntime(5767): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
06-08 17:27:22.612: E/AndroidRuntime(5767): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
06-08 17:27:22.612: E/AndroidRuntime(5767): at android.os.Handler.dispatchMessage(Handler.java:99)
06-08 17:27:22.612: E/AndroidRuntime(5767): at android.os.Looper.loop(Looper.java:123)
06-08 17:27:22.612: E/AndroidRuntime(5767): at android.app.ActivityThread.main(ActivityThread.java:4627)
06-08 17:27:22.612: E/AndroidRuntime(5767): at java.lang.reflect.Method.invokeNative(Native Method)
06-08 17:27:22.612: E/AndroidRuntime(5767): at java.lang.reflect.Method.invoke(Method.java:521)
06-08 17:27:22.612: E/AndroidRuntime(5767): at java.lang.reflect.Method.invoke(Method.java:521)
06-08 17:27:22.612: E/AndroidRuntime(5767): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:871)
06-08 17:27:22.612: E/AndroidRuntime(5767): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)
06-08 17:27:22.612: E/AndroidRuntime(5767): at dalvik.system.NativeStart.main(Native Method)