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#import

NS_ASSUME_NONNULL_BEGIN

@interfaceUILabel(SkeletonAnimation)

@property (assign,nonatomic) CAGradientLayer *skeltonLoadMask;

@property (assign,nonatomic) IBInspectable? BOOL showSkeletonLoadMasking;

@end

NS_ASSUME_NONNULL_END

#import "UILabel+SkeletonAnimation.h"

#import

#define RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0fgreen:(g)/255.0fblue:(b)/255.0falpha:1.0]

staticconstchar*maskFlag ="maskFlag";

staticconstchar*showMaskFlag ="showMaskFlag";

@implementationUILabel(SkeletonAnimation)

- (BOOL)showSkeletonLoadMasking {

? ? return [objc_getAssociatedObject(self, &showMaskFlag) boolValue];

}

- (void)setShowSkeletonLoadMasking:(BOOL)showSkeletonLoadMasking {

? ? objc_setAssociatedObject(self,&showMaskFlag,@(showSkeletonLoadMasking),OBJC_ASSOCIATION_ASSIGN);

? ? if(!self.skeltonLoadMask){

? ? ? ? CAGradientLayer *calayer = [CAGradientLayer layer];

? ? ? ? calayer.colors=@[(__bridgeid)RGBCOLOR(245,245,245).CGColor,

?? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? (__bridgeid)RGBCOLOR(235,235,235).CGColor,

? ? ? ? (__bridgeid)RGBCOLOR(245,245,245).CGColor,

? ? ? ? (__bridgeid)RGBCOLOR(235,235,235).CGColor,

? ? ? ? (__bridgeid)RGBCOLOR(245,245,245).CGColor];

? ? ? ? calayer.locations=@[@-1.0,@-0.5,@0,@0.5,@1.0];

? ? ? ? calayer.startPoint=CGPointMake(0,0);

? ? ? ? calayer.endPoint=CGPointMake(1.0,0);

? ? ? ? [self setNeedsLayout];

//? ? ? ? [self layoutIfNeeded];

? ? ? ? calayer.frame=self.bounds;

? ? ? ? calayer.cornerRadius=4;

? ? ? ? CABasicAnimation* rotationAnimation;

? ? ? ? rotationAnimation = [CABasicAnimationanimationWithKeyPath:@"locations"];

? ? ? ? rotationAnimation.fromValue=@[@-1.0,@-0.5,@0,@0.5,@1.0];

? ? ? ? rotationAnimation.toValue=@[@0,@0.5,@1.0,@1.5,@2.0];

? ? ? ? rotationAnimation.duration=1;

? ? ? ? rotationAnimation.repeatCount=MAXFLOAT;

? ? ? ? rotationAnimation.removedOnCompletion=NO;

? ? ? ? [calayeraddAnimation:rotationAnimationforKey:nil];

? ? ? ? calayer.hidden=YES;

? ? ? ? self.skeltonLoadMask= calayer;

? ? ? ? [self.layeraddSublayer:self.skeltonLoadMask];

? ? }

? ? if(showSkeletonLoadMasking){

? ? ? ? self.skeltonLoadMask.hidden = NO;

? ? }else{

? ? ? ? self.skeltonLoadMask.hidden = YES;

? ? }

}

- (CAGradientLayer *)skeltonLoadMask {

? ? return objc_getAssociatedObject(self, &maskFlag);

}

- (void)setSkeltonLoadMask:(CAGradientLayer*)skeltonLoadMask {

? ? objc_setAssociatedObject(self,&maskFlag,skeltonLoadMask ,OBJC_ASSOCIATION_RETAIN_NONATOMIC);

}