无法在android（installer_r18-windows.exe）中安装phonegap应用程序

我已经从此链接安装了android sdk http://developer.android.com/sdk/index.html.(installer_r18-windows .... android应用程序工作正常。但我的phonegap应用程序不running.same phonegap应用程序正在installer_r12-windows.exe后无法在android（installer_r18-windows.exe）中安装phonegap应用程序

错误消息

05-03 19:55:36.310: E/AndroidRuntime(743): FATAL EXCEPTION: main 
05-03 19:55:36.310: E/AndroidRuntime(743): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.app.mobilyzer/com.app.mobilyzer.MobilyzerActivity}: java.lang.ClassNotFoundException: com.app.mobilyzer.MobilyzerActivity 
05-03 19:55:36.310: E/AndroidRuntime(743): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1880) 
05-03 19:55:36.310: E/AndroidRuntime(743): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981) 
05-03 19:55:36.310: E/AndroidRuntime(743): at android.app.ActivityThread.access$600(ActivityThread.java:123) 
05-03 19:55:36.310: E/AndroidRuntime(743): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147) 
05-03 19:55:36.310: E/AndroidRuntime(743): at android.os.Handler.dispatchMessage(Handler.java:99) 
05-03 19:55:36.310: E/AndroidRuntime(743): at android.os.Looper.loop(Looper.java:137) 
05-03 19:55:36.310: E/AndroidRuntime(743): at android.app.ActivityThread.main(ActivityThread.java:4424) 
05-03 19:55:36.310: E/AndroidRuntime(743): at java.lang.reflect.Method.invokeNative(Native Method) 
05-03 19:55:36.310: E/AndroidRuntime(743): at java.lang.reflect.Method.invoke(Method.java:511) 
05-03 19:55:36.310: E/AndroidRuntime(743): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 
05-03 19:55:36.310: E/AndroidRuntime(743): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 
05-03 19:55:36.310: E/AndroidRuntime(743): at dalvik.system.NativeStart.main(Native Method) 
05-03 19:55:36.310: E/AndroidRuntime(743): Caused by: java.lang.ClassNotFoundException: com.app.mobilyzer.MobilyzerActivity 
05-03 19:55:36.310: E/AndroidRuntime(743): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61) 
05-03 19:55:36.310: E/AndroidRuntime(743): at java.lang.ClassLoader.loadClass(ClassLoader.java:501) 
05-03 19:55:36.310: E/AndroidRuntime(743): at java.lang.ClassLoader.loadClass(ClassLoader.java:461) 
05-03 19:55:36.310: E/AndroidRuntime(743): at android.app.Instrumentation.newActivity(Instrumentation.java:1023) 
05-03 19:55:36.310: E/AndroidRuntime(743): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871) 
05-03 19:55:36.310: E/AndroidRuntime(743): ... 11 more

来源

2012-05-04 Ela