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July 6, 2018 04:07
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On iOS 7 UISearchBar the placeholder text is centred and I want to disable that and make it always stick to the left like it was before. There is a private method setCenterPlaceholder and calling this with a BOOL work will make the trick. I am wondering if there is any other, not "Hacked" that does the same thing.
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@interface NSCodingSearchBar : UISearchBar | |
// Default by the system is YES. | |
// https://github.com/nst/iOS-Runtime-Headers/blob/master/Frameworks/UIKit.framework/UISearchBar.h | |
@property (nonatomic, assign, setter = setHasCentredPlaceholder:) BOOL hasCentredPlaceholder; | |
@end |
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#import "NSCodingSearchBar.h" | |
// ------------------------------------------------------------------------------------------ | |
@implementation NSCodingSearchBar | |
// ------------------------------------------------------------------------------------------ | |
#pragma mark - Initializers | |
// ------------------------------------------------------------------------------------------ | |
- (instancetype)initWithFrame:(CGRect)frame | |
{ | |
if ((self = [super initWithFrame:frame])) | |
{ | |
self.hasCentredPlaceholder = YES; | |
} | |
return self; | |
} | |
// ------------------------------------------------------------------------------------------ | |
#pragma mark - Methods | |
// ------------------------------------------------------------------------------------------ | |
- (void)setHasCentredPlaceholder:(BOOL)hasCentredPlaceholder | |
{ | |
_hasCentredPlaceholder = hasCentredPlaceholder; | |
SEL centerSelector = NSSelectorFromString([NSString stringWithFormat:@"%@%@", @"setCenter", @"Placeholder:"]); | |
if ([self respondsToSelector:centerSelector]) | |
{ | |
NSMethodSignature *signature = [[UISearchBar class] instanceMethodSignatureForSelector:centerSelector]; | |
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature]; | |
[invocation setTarget:self]; | |
[invocation setSelector:centerSelector]; | |
[invocation setArgument:&_hasCentredPlaceholder atIndex:2]; | |
[invocation invoke]; | |
} | |
} | |
@end |
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Have you shipped it in any app? I wonder if it can be rejected