不显示删除回复显示所有回复显示星级回复显示得分回复 在popupwindow中无法使用AutoCompleteTextView的问题

是不是在popupwindow无法使用AutoCompleteTextView完成自动检索的功能，
AutoCompleteTextView autocompletetextview = (AutoCompleteTextView)vPopupWindow
.findViewById(R.id.autocompletetextview);
String[] autor=new String[]{"aa","abc","abcd"};
ArrayAdapter<String> songAdapter=new ArrayAdapter<String>(this,android.R.layout.simple_dropdown_item_1line,autor);
autocompletetextview.setAdapter(songAdapter);写了个简单的AutoCom04-13 10:06:04.800: ERROR/AndroidRuntime(7896): FATAL EXCEPTION: main
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): android.view.WindowManager$BadTokenException: Unable to add window -- token android.view.ViewRoot$W@45ff57f8 is not valid; is your activity running?
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.view.ViewRoot.setView(ViewRoot.java:505)
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:177)
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.view.Window$LocalWindowManager.addView(Window.java:424)
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.widget.PopupWindow.invokePopup(PopupWindow.java:828)
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.widget.PopupWindow.showAsDropDown(PopupWindow.java:740)
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.widget.AutoCompleteTextView.showDropDown(AutoCompleteTextView.java:1210)
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.widget.AutoCompleteTextView.updateDropDownForFilter(AutoCompleteTextView.java:1022)
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.widget.AutoCompleteTextView.onFilterComplete(AutoCompleteTextView.java:1005)
04-13 10:06:04.800: ERROR/AndroidRuntime(7896): at android.widget.Filter$ResultsHandler.handleMessage(Filter.java:285)
pleteTextView绑定数据，出现了检索数据的时候就报错。。例如我输入aa就强制停止了、、求解？？