i set up the project using android annotation, then check in to the svn after the checkout from the SVN ,the problem started ,please do something if anybody experienced in this
08-14 13:02:31.097: W/dalvikvm(16362): threadid=1: thread exiting with uncaught exception (group=0x41948ba8) 08-14 13:02:31.097: W/System.err(16362): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{}: java.lang.ClassNotFoundException: Didn't find class "com.MainActivity" on path: DexPathList[[zip file "/data/app/"],nativeLibraryDirectories=[/data/app-lib/com-2, /vendor/lib, /system/lib]] 08-14 13:02:31.097: W/System.err(16362): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2110) 08-14 13:02:31.097: W/System.err(16362): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2233) 08-14 13:02:31.097: W/System.err(16362): at android.app.ActivityThread.access$800(ActivityThread.java:135) 08-14 13:02:31.097: W/System.err(16362): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) 08-14 13:02:31.097: W/System.err(16362): at android.os.Handler.dispatchMessage(Handler.java:102) 08-14 13:02:31.097: W/System.err(16362): at android.os.Looper.loop(Looper.java:136) 08-14 13:02:31.097: W/System.err(16362): at android.app.ActivityThread.main(ActivityThread.java:5001) 08-14 13:02:31.097: W/System.err(16362): at java.lang.reflect.Method.invokeNative(Native Method) 08-14 13:02:31.097: W/System.err(16362): at java.lang.reflect.Method.invoke(Method.java:515) 08-14 13:02:31.097: W/System.err(16362): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) 08-14 13:02:31.097: W/System.err(16362): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) 08-14 13:02:31.097: W/System.err(16362): at dalvik.system.NativeStart.main(Native Method) 08-14 13:02:31.107: W/System.err(16362): Caused by: java.lang.ClassNotFoundException: Didn't find class ".MainActivity_" on path: DexPathList[[zip file "/data/app/com.-2.apk"],nativeLibraryDirectories=[/data/app-lib/com.-2, /vendor/lib, /system/lib]] 08-14 13:02:31.107: W/System.err(16362): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) 08-14 13:02:31.107: W/System.err(16362): at java.lang.ClassLoader.loadClass(ClassLoader.java:497) 08-14 13:02:31.107: W/System.err(16362): at java.lang.ClassLoader.loadClass(ClassLoader.java:457) 08-14 13:02:31.107: W/System.err(16362): at android.app.Instrumentation.newActivity(Instrumentation.java:1061) 08-14 13:02:31.107: W/System.err(16362): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2101) 08-14 13:02:31.107: W/System.err(16362): ... 11 more
latter i found this answer
->Right click the project
->select Property
->select Java Compiler
->select Annotation processing
->Select Factory Path
there remove the jar file and re add the jar file, the do Apply, then give OK