出现这种怎么办             程序崩溃了！ java.lang.IllegalArgume*GException:CannotaddanullchildviewtoaViewGroup atandroid.view.ViewGroup.addView(ViewGroup.java:4416) atandroid.view.ViewGroup.addView(ViewGroup.java:4396) *E *F atandroid.app.Dialog.setCo*Ge*GView(Dialog.java:527) atcom.*U.plugin.iiii.ai.d() atcom.*U.plugin.iiii.tg.onCreate() atcom.*U.plugin.iiii.ai.onCreate() atandroid.app.Dialog.dispatchOnCreate(Dialog.java:399) atandroid.app.Dialog.show(Dialog.java:299) atcom.*U.plugin.iiii.tg.show() atcom.*U.plugin.iiii.vg.o() atcom.*U.plugin.iiii.mg.run(lambda) atandroid.os.Handler.handleCallback(Handler.java:836) atandroid.os.Handler.dispatchMessage(Handler.java:103) atandroid.os.Looper.loop(Looper.java:203) atandroid.app.ActivityThread.main(ActivityThread.java:6251) atjava.lang.reflect.Method.invoke(NativeMethod) *G *H *:17:05:MainActivitycreated *:17:05:MainActivityresumed *:17:05:MainActivitypaused *:17:05:MainActivitydestroyed *:17:05:MainActivitycreated *:17:05:MainActivityresumed *:17:11:MainActivitypaused *:17:11:Splashcreated *:17:11:Splashresumed *:17:12:MainActivitydestroyed *:17:13:Splashpaused *:17:13:MioLaunchercreated *:17:16:MioLauncherresumed *:17:17:Splashdestroyed Buildversion:1.7  Builddate:*:34:20  Curre*Gdate:*:17:21  Device:YOUXUEPAIU17    Stacktrace:  java.lang.IllegalArgume*GException:CannotaddanullchildviewtoaViewGroup atandroid.view.ViewGroup.addView(ViewGroup.java:4416) atandroid.view.ViewGroup.addView(ViewGroup.java:4396) *E *F atandroid.app.Dialog.setCo*Ge*GView(Dialog.java:527) atcom.*U.plugin.iiii.ai.d() atcom.*U.plugin.iiii.tg.onCreate() atcom.*U.plugin.iiii.ai.onCreate() atandroid.app.Dialog.dispatchOnCreate(Dialog.java:399) atandroid.app.Dialog.show(Dialog.java:299) atcom.*U.plugin.iiii.tg.show() atcom.*U.plugin.iiii.vg.o() atcom.*U.plugin.iiii.mg.run(lambda) atandroid.os.Handler.handleCallback(Handler.java:836) atandroid.os.Handler.dispatchMessage(Handler.java:103) atandroid.os.Looper.loop(Looper.java:203) atandroid.app.ActivityThread.main(ActivityThread.java:6251) atjava.lang.reflect.Method.invoke(NativeMethod) *G *H Useractions:  *:17:05:MainActivitycreated *:17:05:MainActivityresumed *:17:05:MainActivitypaused *:17:05:MainActivitydestroyed *:17:05:MainActivitycreated *:17:05:MainActivityresumed *:17:11:MainActivitypaused *:17:11:Splashcreated *:17:11:Splashresumed *:17:12:MainActivitydestroyed *:17:13:Splashpaused *:17:13:MioLaunchercreated *:17:16:MioLauncherresumed *:17:17:Splashdestroyed