Can't inject null value even when field is @Nullable

[toumubaoqiong]

I had a problem when I compiled.I used several online solutions, but it doesn't work.Here is the log.

01-31 17:03:33.523: E/AndroidRuntime(25720): Process: com.example.stackblurdemo, PID: 25720 01-31 17:03:33.523: E/AndroidRuntime(25720): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.stackblurdemo/com.example.stackblurdemo.MainActivity}: java.lang.NullPointerException: Can't inject null value into class com.example.stackblurdemo.MainActivity._imageView when field is not @Nullable 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2201) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2250) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.app.ActivityThread.access$900(ActivityThread.java:141) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1213) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.os.Handler.dispatchMessage(Handler.java:102) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.os.Looper.loop(Looper.java:136) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.app.ActivityThread.main(ActivityThread.java:5072) 01-31 17:03:33.523: E/AndroidRuntime(25720): at java.lang.reflect.Method.invokeNative(Native Method) 01-31 17:03:33.523: E/AndroidRuntime(25720): at java.lang.reflect.Method.invoke(Method.java:515) 01-31 17:03:33.523: E/AndroidRuntime(25720): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 01-31 17:03:33.523: E/AndroidRuntime(25720): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609) 01-31 17:03:33.523: E/AndroidRuntime(25720): at dalvik.system.NativeStart.main(Native Method) 01-31 17:03:33.523: E/AndroidRuntime(25720): Caused by: java.lang.NullPointerException: Can't inject null value into class com.example.stackblurdemo.MainActivity._imageView when field is not @Nullable 01-31 17:03:33.523: E/AndroidRuntime(25720): at roboguice.inject.ViewListener$ViewMembersInjector.reallyInjectMemberViews(ViewListener.java:179) 01-31 17:03:33.523: E/AndroidRuntime(25720): at roboguice.inject.ViewListener$ViewMembersInjector.reallyInjectMembers(ViewListener.java:138) 01-31 17:03:33.523: E/AndroidRuntime(25720): at roboguice.inject.ViewListener$ViewMembersInjector.injectViews(ViewListener.java:246) 01-31 17:03:33.523: E/AndroidRuntime(25720): at roboguice.inject.ContextScopedRoboInjector.injectViewMembers(ContextScopedRoboInjector.java:258) 01-31 17:03:33.523: E/AndroidRuntime(25720): at roboguice.activity.RoboActivity.onContentChanged(RoboActivity.java:145) 01-31 17:03:33.523: E/AndroidRuntime(25720): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:293) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.app.Activity.setContentView(Activity.java:1947) 01-31 17:03:33.523: E/AndroidRuntime(25720): at com.example.stackblurdemo.MainActivity.onCreate(MainActivity.java:53) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.app.Activity.performCreate(Activity.java:5249) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 01-31 17:03:33.523: E/AndroidRuntime(25720): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2165) 01-31 17:03:33.523: E/AndroidRuntime(25720): ... 11 more