android - ClassCastException occur when screen orientation change (AbsSpinner) -

my custom activity has 2 spinners. wait view create done , try rotate device app crashed. have tried methods searched here, cannot fix problem.

logcat

12-16 16:15:47.200: d/androidruntime(5332): shutting down vm 12-16 16:15:47.200: w/dalvikvm(5332): threadid=1: thread exiting uncaught exception (group=0x40154760) 12-16 16:15:47.260: e/androidruntime(5332): fatal exception: main 12-16 16:15:47.260: e/androidruntime(5332): java.lang.runtimeexception: unable start activity componentinfo{qt.r07/qt.r07.listview.fileselectactivity2}: java.lang.classcastexception: android.view.abssavedstate$1 cannot cast android.widget.absspinner$savedstate 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.activitythread.performlaunchactivity(activitythread.java:1815) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.activitythread.handlelaunchactivity(activitythread.java:1831) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.activitythread.handlerelaunchactivity(activitythread.java:3188) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.activitythread.access$600(activitythread.java:122) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.activitythread$h.handlemessage(activitythread.java:1028) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.os.handler.dispatchmessage(handler.java:99) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.os.looper.loop(looper.java:132) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.activitythread.main(activitythread.java:4123) 12-16 16:15:47.260: e/androidruntime(5332):     @ java.lang.reflect.method.invokenative(native method) 12-16 16:15:47.260: e/androidruntime(5332):     @ java.lang.reflect.method.invoke(method.java:491) 12-16 16:15:47.260: e/androidruntime(5332):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:841) 12-16 16:15:47.260: e/androidruntime(5332):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:599) 12-16 16:15:47.260: e/androidruntime(5332):     @ dalvik.system.nativestart.main(native method) **12-16 16:15:47.260: e/androidruntime(5332): caused by: java.lang.classcastexception: android.view.abssavedstate$1 cannot cast android.widget.absspinner$savedstate** 12-16 16:15:47.260: e/androidruntime(5332):     @ android.widget.absspinner.onrestoreinstancestate(absspinner.java:421) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.view.dispatchrestoreinstancestate(view.java:8316) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.viewgroup.dispatchthawselfonly(viewgroup.java:2038) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.widget.adapterview.dispatchrestoreinstancestate(adapterview.java:766) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.viewgroup.dispatchrestoreinstancestate(viewgroup.java:2024) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.viewgroup.dispatchrestoreinstancestate(viewgroup.java:2024) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.viewgroup.dispatchrestoreinstancestate(viewgroup.java:2024) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.viewgroup.dispatchrestoreinstancestate(viewgroup.java:2024) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.viewgroup.dispatchrestoreinstancestate(viewgroup.java:2024) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.viewgroup.dispatchrestoreinstancestate(viewgroup.java:2024) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.viewgroup.dispatchrestoreinstancestate(viewgroup.java:2024) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.view.view.restorehierarchystate(view.java:8295) 12-16 16:15:47.260: e/androidruntime(5332):     @ com.android.internal.policy.impl.phonewindow.restorehierarchystate(phonewindow.java:1512) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.activity.onrestoreinstancestate(activity.java:898) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.activity.performrestoreinstancestate(activity.java:870) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.instrumentation.callactivityonrestoreinstancestate(instrumentation.java:1099) 12-16 16:15:47.260: e/androidruntime(5332):     @ android.app.activitythread.performlaunchactivity(activitythread.java:1793) 12-16 16:15:47.260: e/androidruntime(5332):     ... 12 more 

layout

<?xml version="1.0" encoding="utf-8"?> <!-- tiger 20141211 --> <framelayout xmlns:android="http://schemas.android.com/apk/res/android"     android:id="@+id/framelayout1"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:background="@drawable/file_manager_frame" >      <linearlayout         android:id="@+id/linearlayout1"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:layout_margin="50dp"         android:background="@drawable/file_manager_linear"         android:orientation="horizontal" >          <framelayout             android:id="@+id/framelayout2"             android:layout_width="match_parent"             android:layout_height="match_parent"             android:layout_marginbottom="20dp"             android:layout_marginleft="20dp"             android:layout_marginright="10dp"             android:layout_margintop="20dp"             android:layout_weight="1" >              <linearlayout                 android:id="@+id/linearlayout2"                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:layout_margin="5dp" >                  <linearlayout                     android:id="@+id/linearlayout3"                     android:layout_width="wrap_content"                     android:layout_height="match_parent"                     android:orientation="vertical" >                      <framelayout                         android:id="@+id/framelayout3"                         android:layout_width="wrap_content"                         android:layout_height="match_parent"                         android:layout_weight="1" >                          <textview                             android:id="@+id/text_view_office"                             android:layout_width="wrap_content"                             android:layout_height="wrap_content"                             android:layout_gravity="bottom|center_horizontal"                             android:gravity="center"                             android:text="地政事務所"                             android:textcolor="@color/white"                             android:textsize="32sp" />                      </framelayout>                      <framelayout                         android:id="@+id/framelayout4"                         android:layout_width="match_parent"                         android:layout_height="match_parent"                         android:layout_weight="1" >                          <textview                             android:id="@+id/text_view_section"                             android:layout_width="wrap_content"                             android:layout_height="wrap_content"                             android:layout_gravity="center"                             android:gravity="center"                             android:text="地段"                             android:textcolor="@color/white"                             android:textsize="32sp" />                      </framelayout>                      <framelayout                         android:id="@+id/framelayout5"                         android:layout_width="match_parent"                         android:layout_height="match_parent"                         android:layout_weight="1" >                          <textview                             android:id="@+id/text_view_land_no"                             android:layout_width="wrap_content"                             android:layout_height="wrap_content"                             android:layout_gravity="top|center_horizontal"                             android:gravity="center"                             android:text="地號"                             android:textcolor="@color/white"                             android:textsize="32sp" />                      </framelayout>                 </linearlayout>                  <linearlayout                     android:id="@+id/linearlayout4"                     android:layout_width="match_parent"                     android:layout_height="match_parent"                     android:layout_weight="1"                     android:orientation="vertical" >                      <framelayout                         android:id="@+id/framelayout6"                         android:layout_width="match_parent"                         android:layout_height="match_parent"                         android:layout_weight="1" >                          <spinner                             android:id="@+id/spinner_office"                             android:layout_width="match_parent"                             android:layout_height="wrap_content"                             android:layout_gravity="bottom|center_horizontal"                             android:layout_marginleft="10dp"                             android:layout_marginright="10dp"                             android:background="#ffc8e6c9" />                     </framelayout>                      <framelayout                         android:id="@+id/framelayout7"                         android:layout_width="match_parent"                         android:layout_height="match_parent"                         android:layout_weight="1" >                          <spinner                             android:id="@+id/spinner_section"                             android:layout_width="match_parent"                             android:layout_height="wrap_content"                             android:layout_gravity="center_vertical"                             android:layout_marginleft="10dp"                             android:layout_marginright="10dp"                             android:background="#ffc8e6c9" />                     </framelayout>                      <framelayout                         android:id="@+id/framelayout8"                         android:layout_width="match_parent"                         android:layout_height="match_parent"                         android:layout_weight="1" >                          <linearlayout                             android:id="@+id/linearlayout5"                             android:layout_width="match_parent"                             android:layout_height="match_parent"                             android:layout_weight="1"                             android:orientation="horizontal" >                              <edittext                                 android:id="@+id/edit_text_land_no"                                 android:layout_width="match_parent"                                 android:layout_height="wrap_content"                                 android:layout_gravity="top|center_horizontal"                                 android:layout_marginleft="10dp"                                 android:layout_marginright="10dp"                                 android:layout_weight="1"                                 android:ems="10"                                 android:gravity="center"                                 android:imeoptions="flagnofullscreen"                                 android:inputtype="number|text"                                 android:maxlength="9"                                 android:textcolor="@color/black"                                 android:textsize="32sp" >                                  <requestfocus />                             </edittext>                              <button                                 android:id="@+id/button_land_no_add"                                 android:layout_width="50dp"                                 android:layout_height="50dp"                                 android:layout_gravity="top|center_horizontal"                                 android:layout_marginleft="10dp"                                 android:layout_marginright="10dp"                                 android:background="@drawable/file_manager_button_oval"                                 android:text="+"                                 android:textcolor="#ffc8e6c9"                                 android:textsize="32sp" />                         </linearlayout>                     </framelayout>                 </linearlayout>             </linearlayout>         </framelayout>          <linearlayout             android:id="@+id/linearlayout6"             android:layout_width="match_parent"             android:layout_height="match_parent"             android:layout_marginbottom="20dp"             android:layout_marginleft="10dp"             android:layout_marginright="20dp"             android:layout_margintop="20dp"             android:layout_weight="1"             android:orientation="vertical" >              <textview                 android:id="@+id/textview1"                 android:layout_width="match_parent"                 android:layout_height="wrap_content"                 android:layout_margintop="5dp"                 android:gravity="center"                 android:text="地號列表"                 android:textcolor="@color/white"                 android:textsize="32sp" />              <framelayout                 android:id="@+id/framelayout9"                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:layout_margin="10dp"                 android:layout_weight="1" >                  <listview                     android:id="@+id/list_view_land_no"                     android:layout_width="match_parent"                     android:layout_height="match_parent"                     android:layout_weight="1"                     android:background="#ffc8e6c9" >                 </listview>             </framelayout>              <button                 android:id="@+id/button_file_manager_ok"                 android:layout_width="100dp"                 android:layout_height="50dp"                 android:layout_gravity="center_horizontal"                 android:layout_margin="5dp"                 android:background="@drawable/file_manager_button_rectangle"                 android:text="確定"                 android:textcolor="#ffc8e6c9"                 android:textsize="32sp" />         </linearlayout>     </linearlayout>  </framelayout> 

code

@override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     this.setcontentview(r.layout.filemanager_r07);      ...      adapter_office = new arrayadapter<string>(this, r.drawable.file_manager_spinner, office_list);     spinner_office = (spinner)findviewbyid(r.id.spinner_office);     adapter_office.setdropdownviewresource(r.drawable.file_manager_spinner_dropdown);     spinner_office.setadapter(adapter_office);     spinner_office.setid(0);     spinner_office.setonitemselectedlistener(this);      adapter_section = new arrayadapter<string>(this, r.drawable.file_manager_spinner);     showmapfilelist(map_path + "/aa"); // adapter_section content add in method     spinner_section = (spinner)findviewbyid(r.id.spinner_section);     adapter_section.setdropdownviewresource(r.drawable.file_manager_spinner_dropdown);     spinner_section.setadapter(adapter_section);     spinner_section.setid(1);     spinner_section.setonitemselectedlistener(this);      edit_text_land_no = (edittext)findviewbyid(r.id.edit_text_land_no);     button_land_no_add = (button)findviewbyid(r.id.button_land_no_add);     button_land_no_add.setid(1);     button_land_no_add.setonclicklistener(this);     list_view_land_no = (listview)findviewbyid(r.id.list_view_land_no);      button_file_manager_ok = (button)findviewbyid(r.id.button_file_manager_ok);     button_file_manager_ok.setid(10);     button_file_manager_ok.setonclicklistener(this); }