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Convert String to Int Objective-C?

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By User



Really basic iPhone Objective-C question. I'm trying to extract a string (which is really a int) from an array and then use it as an int in a function. I'm trying to convert it to a int using intValue.





Here's the code I've been trying.







NSArray *_returnedArguments = [serverOutput componentsSeparatedByString:@":"];

  [_appDelegate loggedIn:usernameField.text:passwordField.text:(int)[[_returnedArguments objectAtIndex:2] intValue]];







I get the error passing argument 3 of 'loggedIn:::' makes pointer from integer without a cast





Thanks for the help,





Christian Stewart


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Comments

  1. Tips For AllApril 3, 2012 at 7:22 AM

    I really don't know what was so hard about this question, but I managed to do it this way [myStringContainingInt intValue];

    That easy.

    Thanks for your effort though.

    ReplyDelete
  2. Tips For AllApril 3, 2012 at 7:22 AM

    NSArray *_returnedArguments = [serverOutput componentsSeparatedByString:@":"];


    _returnedArguments is an array of NSStrings which the UITextField text property is expecting. No need to convert.

    Syntax error:

    [_appDelegate loggedIn:usernameField.text:passwordField.text:(int)[[_returnedArguments objectAtIndex:2] intValue]];


    If your _appDelegate has a passwordField property, then you can set the text using the following

    [[_appDelegate passwordField] setText:[_returnedArguments objectAtIndex:2]];

    ReplyDelete
  3. Tips For AllApril 3, 2012 at 7:22 AM

    I guess you do not need the (int) part

    ReplyDelete
  4. Tips For AllApril 3, 2012 at 7:22 AM

    Basically, the third parameter in loggedIn should not be an integer, it should be an object of some kind, but we can't know for sure because you did not name the parameters in the method call. Provide the method signature so we can see for sure. Perhaps it takes an NSNumber or something.

    ReplyDelete
  5. Tips For AllApril 3, 2012 at 7:22 AM

    If I understood you correctly, you need to convert your NSString to int? Try this peace of code:

    NSString *stringWithNumberInside = [_returnedArguments objectAtIndex:2];
    int number;
    sscanf([stringWithNumberInside UTF8String], "%x", &flags);

    ReplyDelete

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