Uisearchbar's Set_Cancelbuttontext: Ivar Is Prohibited

UISearchBar's set_cancelButtonText: ivar is prohibited

Instead of messing around with the undocumented view hierarchy, you can use UIAppearance:

UIBarButtonItem.appearance(whenContainedInInstancesOf: [UISearchBar.self]).title = "Whatever"

UISearchbar clearButton forces the keyboard to appear

This is an old question and I just came across the same issue and managed to solve it the following way:

When the searchBar:textDidChange: method of the UISearchBarDelegate gets called because of the user tapping the 'clear' button, the searchBar hasn't become the first responder yet, so we can take advantage of that in order to detect when the user in fact intended to clear the search and not bring focus to the searchBar and/or do something else.

To keep track of that, we need to declare a BOOL ivar in our viewController that is also the searchBar delegate (let's call it shouldBeginEditing) and set it with an initial value of YES (supposing our viewController class is called SearchViewController):

@interface SearchViewController : UIViewController <UISearchBarDelegate> {
    // all of our ivar declarations go here...
    BOOL shouldBeginEditing;
    ....
}

...
@end

@implementation SearchViewController
...
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil])) {
        ...
        shouldBeginEditing = YES;
    }
}
...
@end

Later on, in the UISearchBarDelegate, we implement the searchBar:textDidChange: and searchBarShouldBeginEditing: methods:

- (void)searchBar:(UISearchBar *)bar textDidChange:(NSString *)searchText {
    NSLog(@"searchBar:textDidChange: isFirstResponder: %i", [self.searchBar isFirstResponder]);
    if(![searchBar isFirstResponder]) {
        // user tapped the 'clear' button
        shouldBeginEditing = NO;
        // do whatever I want to happen when the user clears the search...
    }
}

- (BOOL)searchBarShouldBeginEditing:(UISearchBar *)bar {
    // reset the shouldBeginEditing BOOL ivar to YES, but first take its value and use it to return it from the method call
    BOOL boolToReturn = shouldBeginEditing;
    shouldBeginEditing = YES;
    return boolToReturn;
}

Basically, that's it.

Best

ios 13 - Custom SearchBar with UISearchBar _searchField not working

The SDK now provides UISearchBar.searchTextField so you can simply replace your private API implementation with the public API.

searchBar.searchTextField.backgroundColor = [UIColor blueColor];

How to customize the searchBar in a UISearchController?

set attributedPlaceholder for textfield of search bar

@IBOutlet weak var sbSearchBar: UISearchBar!
if let textfield = sbSearchBar.value(forKey: "searchField") as? UITextField {

    textfield.backgroundColor = UIColor.red
    textfield.attributedPlaceholder = NSAttributedString(string: textfield.placeholder ?? "", attributes: [NSAttributedStringKey.foregroundColor : UIColor.white])

    if let leftView = textfield.leftView as? UIImageView {
        leftView.image = leftView.image?.withRenderingMode(.alwaysTemplate)
        leftView.tintColor = UIColor.white
    }

}

Here is result:

Update:

I think, this may help you: how to change uitextfield color in searchcontroller?

Just apply your color combination in this code and see.

if #available(iOS 11.0, *) {
            let sc = UISearchController(searchResultsController: nil)
            sc.delegate = self
            let scb = sc.searchBar
            scb.tintColor = UIColor.white
            scb.barTintColor = UIColor.white

            if let textfield = scb.value(forKey: "searchField") as? UITextField {
                //textfield.textColor = // Set text color
                if let backgroundview = textfield.subviews.first {

                    // Background color
                    backgroundview.backgroundColor = UIColor.white

                    // Rounded corner
                    backgroundview.layer.cornerRadius = 10;
                    backgroundview.clipsToBounds = true;

                }
            }

            if let navigationbar = self.navigationController?.navigationBar {
                navigationbar.barTintColor = UIColor.blue
            }
            navigationItem.searchController = sc
            navigationItem.hidesSearchBarWhenScrolling = false

}

Result:

UISearchBar in iOS 13 have small black spot next to the dismiss (x) button

Per comments, https://stackoverflow.com/a/58040862/95309 have a fix:

UIBarButtonItem.appearance(whenContainedInInstancesOf: [UISearchBar.self]).title

The difference between the UIButton.appearance and UIBarButtonItem.appearance seems to been the culprit.

How to change inside background color of UISearchBar component on iOS

Use this code to change the searchBar's UITextField backgroundImage:

UITextField *searchField;
NSUInteger numViews = [searchBar.subviews count];
for (int i = 0; i < numViews; i++) {
    if ([[searchBar.subviews objectAtIndex:i] isKindOfClass:[UITextField class]]) { //conform?
        searchField = [searchBar.subviews objectAtIndex:i];
    }
}
if (searchField) {
    searchField.textColor = [UIColor whiteColor];
    [searchField setBackground: [UIImage imageNamed:@"yourImage"]]; //set your gray background image here
    [searchField setBorderStyle:UITextBorderStyleNone];
}

Use the below code to change the UISearchBarIcon:

 UIImageView *searchIcon = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"yourSearchBarIconImage"]];
searchIcon.frame = CGRectMake(10, 10, 24, 24);
[searchBar addSubview:searchIcon];
[searchIcon release];

Also, to change the searchBar icon you can use the following built-in method on UISearchBar (which is available from iOS 5+):

- (void)setImage:(UIImage *)iconImage forSearchBarIcon:(UISearchBarIcon)icon state:(UIControlState)state

Here you can set 4 types of UISearchBarIcon i.e.:

1. UISearchBarIconBookmark
2. UISearchBarIconClear
3. UISearchBarIconResultsList
4. UISearchBarIconSearch

I hope this help you...

UISearchBar change placeholder color

for iOS5+ use the appearance proxy

[[UILabel appearanceWhenContainedIn:[UISearchBar class], nil] setTextColor:[UIColor redColor]];

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