Для пользовательского переключения типов клавиатуры вы можете использовать вспомогательный вид клавиатуры
Код для придания клавиатуре аксессуараПросмотр для переключения типов ... (надеюсь, понятный код понятен)
// You can call this in viewDidLoad (initialization of the ABC/Done view)
- (void)setAccessoryViewForKeyboard{
UIToolbar *toolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, self.bounds.size.width, 44)];
UIBarButtonItem *changeKeyboard = [[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:self action:@selector(switchKeyboardTypes)];
UIBarButtonItem *space = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
UIBarButtonItem *choose = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Done", @"") style:UIBarButtonItemStylePlain target:_textField action:@selector(resignFirstResponder)];
[toolbar setItems:@[changeKeyboard, space, choose]];
[self.textField setInputAccessoryView:toolbar];
}
// changing the left button text ('ABC' and '123')
- (void)setTitleForSwitchingKeyboardButton{
NSString *firstButtonText = self.textField.keyboardType == UIKeyboardTypeDefault ? NSLocalizedString(@"123", @"") : NSLocalizedString(@"ABC", @"");
[[[(UIToolbar *)self.textField.inputAccessoryView items] firstObject] setTitle:firstButtonText];
}
- (void)switchKeyboardTypes{
if (self.textField.keyboardType == UIKeyboardTypeDefault){
[self setTextFieldKeyboardType:UIKeyboardTypeNumberPad];
} else {
[self setTextFieldKeyboardType:UIKeyboardTypeDefault];
}
}
- (void)setTextFieldKeyboardType:UIKeyboardTypeNumberPad:(UIKeyboardType)keyboardType {
[self.textField setKeyboardType:keyboardType];
if ([_textField isFirstResponder]) {
_changingKeyboardType = YES;
[self.textField resignFirstResponder];
[self.textField becomeFirstResponder];
_changingKeyboardType = NO;
}
[self setTitleForSwitchingKeyboardButton];
}
-(BOOL)textFieldShouldBeginEditing:(UITextField *)textField {
if (!_changingKeyboardType) {
// you can set the default keyboard type here:
// [self setTextFieldKeyboardType:UIKeyboardTypeNumberPad];
// [self setTextFieldKeyboardType:UIKeyboardTypeDefault];
[self setTitleForSwitchingKeyboardButton];
}
}