UITextField* utf 。。。
utf->setAttachWithIME(true);
utf->setDetachWithIME(true);
utf->addAttachWithIMEEvent(this,coco_TextFieldAttachWithIMESelector(HelloWorld::callbackUITextFieldAttach));
utf->addDetachWithIMEEvent(this,coco_TextFieldDetachWithIMESelector(HelloWorld::callbackUITextFieldAttach));
utf->addDeleteBackwardEvent(this,coco_TextFieldDeleteBackwardSelector(HelloWorld::callbackUITextFieldAttach));
utf->addInsertTextEvent(this,coco_TextFieldInsertTextSelector(HelloWorld::callbackUITextFieldAttach));
HelloWorld::callbackUITextFieldAttach函调函数没有被回调,求解答。