You can create multiple text fields using the -addTextFieldWithValue:label: method. If you only need 1 text field, using the -textField method will automatically create only 1 for you. When the alert view has text fields, it will only be available in portrait position.
Subtitle and tagline
Signature
@property(nonatomic,copy) NSString* subtitle;
Available in
2.0 –
Signature
-(void)setTaglineText:(NSString*)taglineText
Available in
2.0 –
Subtitle and tagline are two additional styles of text which you could place on an alert view. Subtitle appears below the title, and tagline appears below the message.