Android : Android use jfeinstein with appcompat

i can import successfull jfeinstein plugin to have Sliding menu. after that my project must be support older version of android then after import AppCompat module i get any error and project faile to run.

10-05 14:03:36.955: E/AndroidRuntime(1085): FATAL EXCEPTION: main
10-05 14:03:36.955: E/AndroidRuntime(1085): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.uncocoder.com.course.app.sliding_menu_library_test/com.uncocoder.com.course.app.sliding_menu_library_test.ActivityStartup}: java.lang.ClassNotFoundException: com.uncocoder.com.course.app.sliding_menu_library_test.ActivityStartup in loader dalvik.system.PathClassLoader[/data/app/com.uncocoder.com.course.app.sliding_menu_library_test-2.apk]
10-05 14:03:36.955: E/AndroidRuntime(1085):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at android.app.ActivityThread.access$2300(ActivityThread.java:125)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at android.os.Handler.dispatchMessage(Handler.java:99)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at android.os.Looper.loop(Looper.java:123)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at android.app.ActivityThread.main(ActivityThread.java:4627)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at java.lang.reflect.Method.invokeNative(Native Method)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at java.lang.reflect.Method.invoke(Method.java:521)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at dalvik.system.NativeStart.main(Native Method)
10-05 14:03:36.955: E/AndroidRuntime(1085): Caused by: java.lang.ClassNotFoundException: com.uncocoder.com.course.app.sliding_menu_library_test.ActivityStartup in loader dalvik.system.PathClassLoader[/data/app/com.uncocoder.com.course.app.sliding_menu_library_test-2.apk]
10-05 14:03:36.955: E/AndroidRuntime(1085):     at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
10-05 14:03:36.955: E/AndroidRuntime(1085):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577)
10-05 14:03:36.955: E/AndroidRuntime(1085):     ... 11 more

project.properties :

target=android-8
android.library.reference.1=../library
android.library.reference.2=../appcompat

in this screen shot appCompat could not import correct