我試圖在輸入文本本身時將文本保存在文本字段中。 因爲我使用的代碼如下:UITextField顯示問題
here eventTextField,eventPlaceTextField,wineryTitleLabel,vintageTextField是文本字段。
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
if(textField == eventTextField)
{
printf("\n ===============in ths didchange %s",[eventTextField.text UTF8String]);
event.eventName = eventTextField.text;
}
else if(textField == eventPlaceTextField)
{
event.eventPlace = eventPlaceTextField.text;
}
else if(textField == wineryTitleLabel)
{
event.eventWinery = wineryTitleLabel.text;
}
else if(textField == vintageTextField)
{
int vintageVal = [vintageTextField.text intValue];
if([vintageTextField.text length] == 4 || [vintageTextField.text length]==0)
{
event.eventVintage = vintageVal;
}
else
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"!!!MESSAGE !!!" message:@"Enter the Vintage in the format 'YYYY'"
delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
[alert show];
[alert release];
return NO;
}
}
return YES;
}
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
NSInteger nextTag = textField.tag + 1;// Try to find next responder
UIResponder* nextResponder = [textField.superview viewWithTag:nextTag];
if (nextResponder)
{
// Found next responder, so set it.
[nextResponder becomeFirstResponder];
}
else
{
if(textField == eventTextField)
{
[eventPlaceTextField becomeFirstResponder];
[textField resignFirstResponder];
}
else if(textField == eventPlaceTextField)
{
[wineryTitleLabel becomeFirstResponder];
[textField resignFirstResponder];
}
else if(textField == wineryTitleLabel)
{
[vintageTextField becomeFirstResponder];
[textField resignFirstResponder];
}
}
if(textField == vintageTextField)
{
[self setViewMovedUp:NO];
[textField resignFirstResponder];
}
return YES;
}
的問題是這裏的時候,我eneterd文本字段中的文本防爆:您好,當視圖中的文本字段向上移動文本在texfield變得像Hell.the最後一個字母的文字不顯示。
任何人的幫助很受讚賞。
你能格式化一下嗎? 4個空格給出了代碼格式。 這是所有文本字段或只有一個問題。 – 2010-02-01 05:54:42
是dis是所有文本字段的相同問題。 – monish 2010-02-01 06:39:52
只是一個提示 - 使用'isEqualTo:'比較文本字段而不是簡單的'=='。 – Eimantas 2010-02-01 06:47:09