ios - viewDidGetCoveredUpByModalPresentationFormSheet? -

i have app has different integrations such evernote , dropbox. when user authenticates them, uiviewcontroller presents authentication view uimodalpresentationformsheet. doesn't trigger viewdiddisappear view makes sense since doesn't disappear.

is there method can implement notified?

i assume want know when modal view been presented? assuming using presentviewcontroller:animated:completion , can use completion handler know when viewcontrollers view has been presented here ref