UITextView doesn't show InputAccessoryView on first click

问题

I use the UITextViewDelegate and add a InputAccessoryView in textViewDidBeginEditing:

[textView setInputAccessoryView:doneBar];

The doneBar is not nil and it appears on second opening.

Has anyone else this problem?

Thanks in advance.

回答1:

I imagine when the code has reached textViewDidBeginEditing: that it is too late to make changes to the UI. Perhaps you can move your code to an earlier event, maybe textViewShouldBeginEditing:

来源：https://stackoverflow.com/questions/5803267/uitextview-doesnt-show-inputaccessoryview-on-first-click