Set maximum length to dynamically added textfields

Question

I have added textfields dynamically to scrollview as below:-

for(int i = 0; i< responseBillPay.billerDetails.payeeFormat.count; i++) {
    UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(10, y, width, height)];
    textField.borderStyle = UITextBorderStyleRoundedRect;

    textField.placeholder = [responseBillPay.billerDetails.payeeFormat[i] name];
    textField.delegate = self;
  [innerScroll addSubview:textField];
}

Now i want to set maximum length to each textfield.How could I do this? I got the response of webservice as :-

payeeFormat =         
          (

         {

            displayFlag = false;
            length = 4;
            name = "BU(Billing Unit)";
            validation = "Please enter 4 digits BU(Billing Unit)";
        },
                    {
            displayFlag = false;
            length = 2;
            name = "PC(Processing Cycle)";
            validation = "Please enter only numbers in PC(Processing Cycle),PC(Processing Cycle) should be maximum 2 digits,PC(Processing Cycle) should be minimum 1 digit";
        },
                    {
            displayFlag = true;
            length = 12;
            name = "Consumer No.";
            validation = "Consumer No. should be maximum 12 digits,Consumer No. should be minimum";
        }
    );

See https://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield?rq=1. — Daniel Zhang, Nov 24 '15 at 05:42

Dharmbir Singh · Answer 1 · 2015-11-24T05:54:27.957

0

You can make it dynamic little bit according to you. like text range or placeholder text etc

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string{
    NSString * searchStr = [textField.text stringByReplacingCharactersInRange:range withString:string];

    NSString *placeHOlder = textField.placeholder;

    if ([placeHOlder isEqualToString:@"BU(Billing Unit)"]) {
        if ([searchStr length] <= 4) {
            return YES;
        }
        else
            return NO;
    }
    else 
        return NO;
}

2nd Way

You can store all textfield in a array and you can check that text field in the above delegate method. If it is equal then put your text range and return YES otherwise return NO.

edited Nov 24 '15 at 05:54

answered Nov 24 '15 at 05:48

Dharmbir Singh

17,485
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response varies according to request so I cant comapre the textfield placeholder as in some cases it there may be 1 textfield in other 3 as it is. – poojathorat Nov 24 '15 at 06:20
In that you can use my 2nd way that will work perfect – Dharmbir Singh Nov 24 '15 at 06:21

score 0 · Answer 2 · answered Nov 24 '15 at 06:30

0

You can also subclass UITextField and add the attributes that you care about directly to the subclass as properties according to your payee response.

answered Nov 24 '15 at 06:30

farhadf

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Set maximum length to dynamically added textfields

2 Answers2