Xcode 11.4 not allowing to use instance variable

Question

i have Just In time property, which was working fine but now xcode 11.4 started complaining about it. please look at following code

- (UITextField *)searchTextField
{
    if (!_searchTextField)
    {
        _searchTextField = [self firstSubViewOfKindOfClass:[UITextField class]];
    }
    return _searchTextField;
}

Error :Use of undeclared identifier '_searchTextField'

i have a property defined for it like below

@property (nonatomic, strong) UITextField  *searchTextField;

Which line is the error reported on? The if (!_searchTextField) line? — Bob Gilmore
– Bob Gilmore, Commented Mar 27, 2020 at 20:10

matt · Accepted Answer · 2020-03-27 23:36:17Z

1

You have a name clash. You cannot define a searchTextField because there already is a searchTextField (in iOS 13):

https://developer.apple.com/documentation/uikit/uisearchbar/3175433-searchtextfield

So you could just delete your code, as it isn't needed in iOS 13. Or if you need to support iOS 12 and earlier, you could give your property a different name that doesn't clash.

answered Mar 27, 2020 at 23:36

matt

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1 Comment

matt Over a year ago

I’m not clear on that, but it seems to be similar to stackoverflow.com/questions/60870129/…. The Cocoa namespace, or the nature of its exposure, seems to have changed.

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