Has anyone any idea or code sample on how can I change the text color of the placeholder text of a UISearchBar?
Use a custom search bar.
This also works when part of a UISearchController
inside a UINavigationItem
(with hidesSearchBarWhenScrolling = true
).
We want to apply our changes immediately after UIAppearance
proxies are being applied since those are the most likely root cause:
class MySearchBar : UISearchBar {
// Appearance proxies are applied when a view is added to a view hierarchy, so apply your tweaks after that:
override func didMoveToSuperview() {
super.didMoveToSuperview() // important! - system colors will not apply correctly on ios 11-12 without this
let placeholderColor = UIColor.white.withAlphaComponent(0.75)
let placeholderAttributes = [NSAttributedString.Key.foregroundColor : placeholderColor]
let attributedPlaceholder = NSAttributedString(string: "My custom placeholder", attributes: placeholderAttributes)
self.searchTextField.attributedPlaceholder = attributedPlaceholder
// Make the magnifying glass the same color
(self.searchTextField.leftView as? UIImageView)?.tintColor = placeholderColor
}
}
// Override `searchBar` as per the documentation
private class MySearchController : UISearchController {
private lazy var customSearchBar = MySearchBar()
override var searchBar: UISearchBar { customSearchBar }
}
That took quite some time to get working properly...
After surveyed a couple of answers, I come out this, hope its help
for (UIView *subview in searchBar.subviews) {
for (UIView *sv in subview.subviews) {
if ([NSStringFromClass([sv class]) isEqualToString:@"UISearchBarTextField"]) {
if ([sv respondsToSelector:@selector(setAttributedPlaceholder:)]) {
((UITextField *)sv).attributedPlaceholder = [[NSAttributedString alloc] initWithString:searchBar.placeholder attributes:@{NSForegroundColorAttributeName: [UIColor whiteColor]}];
}
break;
}
}
}
Found the answer from Change UITextField's placeholder text color programmatically
// Get the instance of the UITextField of the search bar
UITextField *searchField = [searchBar valueForKey:@"_searchField"];
// Change search bar text color
searchField.textColor = [UIColor redColor];
// Change the search bar placeholder text color
[searchField setValue:[UIColor blueColor] forKeyPath:@"_placeholderLabel.textColor"];
for iOS5+
use the appearance proxy
[[UILabel appearanceWhenContainedIn:[UISearchBar class], nil] setTextColor:[UIColor redColor]];
This solution works on Xcode 8.2.1. with Swift 3.0. :
extension UISearchBar
{
func setPlaceholderTextColorTo(color: UIColor)
{
let textFieldInsideSearchBar = self.value(forKey: "searchField") as? UITextField
textFieldInsideSearchBar?.textColor = color
let textFieldInsideSearchBarLabel = textFieldInsideSearchBar!.value(forKey: "placeholderLabel") as? UILabel
textFieldInsideSearchBarLabel?.textColor = color
}
}
Usage example:
searchController.searchBar.setPlaceholderTextColorTo(color: mainColor)
This is an old question, but for anyone stumbling on it nowadays, you can change the search icon on iOS 8.x - 10.3 using the following:
[_searchBar setImage:[UIImage imageNamed:@"your-image-name"] forSearchBarIcon:UISearchBarIconSearch state:UIControlStateNormal];
Regarding the placeholder text color, you may check my other answer, which uses a Category, here: UISearchBar change placeholder color