Conforms to | |
Framework | /System/Library/Frameworks/UIKit.framework |
Availability | Available in iOS 3.2 and later. |
Declared in | UITextInput.h |
A subclass of UIResponder
can adopt this protocol to implement simple text entry. When instances of this subclass are the first responder, the system keyboard is displayed.
Only a small subset of the available keyboards and languages are available to classes that adopt this protocol.
– insertText:
required method
– deleteBackward
required method
– hasText
required method
Delete a character from the displayed text. (required)
- (void)deleteBackward
Remove the character just before the cursor from your class’s backing store and redisplay the text.
UITextInput.h
A Boolean value that indicates whether the text-entry objects has any text. (required)
- (BOOL)hasText
YES
if the backing store has textual content, NO
otherwise.
UITextInput.h
Insert a character into the displayed text. (required)
- (void)insertText:(NSString *)text
A string object representing the character typed on the system keyboard.
Add the character text
to your class’s backing store at the index corresponding to the cursor and redisplay the text.
UITextInput.h
Last updated: 2010-02-25