我收到了这个崩溃报告:java.lang.IllegalArgumentException:Viewnotattachedtowindowmanageratandroid.view.WindowManagerImpl.findViewLocked(WindowManagerImpl.java:395)atandroid.view.WindowManagerImpl.removeView(WindowManagerImpl.java:239)atandroid.view.Window$LocalWindowManager.removeView(Window.java:441)atandr