ccEditBox can not close keyboard int onExit() in android platform

ccEditBox can not close keyboard int onExit() in android platform
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in class CCEditBoxImplAndroid,function “closeKeyboard()” do nothing.It’s empty.So there’s a problem that if ccEditBox was deleted while keyboard openning , the keyboard can not being close.becase keyboard is not closed,if done is cliced,crash is open.can someone help?

This is still an issue in 2.2.6. However this appears to be fixed in 3.x.