程序崩溃了！ android.view.WindowManager*adTokenException:Unabletoaddwindow--tokennullisnotvalid;isyouractivityrunning?  atandroid.view.ViewRootImpl.setView(ViewRootImpl.java:913)  atandroid.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:384)  atandroid.view.WindowManagerImpl.addView(WindowManagerImpl.java:94)  atandroid.app.Dialog.show(Dialog.java:388)  a*.*.plugin.iiii.db.show(UnknownSource:10)  a*.*.plugin.iiii.eb$a.run(:70)  atandroid.os.Handler.handleCallback(Handler.java:790)  atandroid.os.Handler.dispatchMessage(Handler.java:99)  atandroid.os.Looper.loop(Looper.java:200)  atandroid.app.ActivityThread.main(ActivityThread.java:6971)  atjava.lang.reflect.Method.invoke(NativeMethod) * * *:28:27:MainActivitycreated *:28:28:MainActivityresumed *:28:32:MainAc真的是。