网上找了几个，但都有cup暴涨的情况发生，于是利用CABasicAnimation 简单的实现一个跑马灯,实现简单，可自己定制
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#import <UIKit/UIKit.h>
@interface LoopView : UIView
@property(nonatomic,strong)NSString *Iformation;
@property(nonatomic,strong)NSString *Image;
@end
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#import "LoopView.h"
#import "UIImageView+WebCache.h"
@interface LoopView(){
UILabel *AD;
UIImageView *headImage;
CABasicAnimation *animation;
CABasicAnimation *animationhead;
}
@end
@implementation LoopView
-(instancetype)initWithFrame:(CGRect)frame{
self = [super initWithFrame:frame];
if (self) {
AD = [[UILabel alloc]initWithFrame:CGRectMake(28*WPSCREEN_WIDTH_RATIO, 0, self.frame.size.width, self.frame.size.height)];
[self addSubview:AD];
AD.textColor = TJXColor(146, 152, 169);
AD.font = [UIFont fontWithName:@"Gotham-Book" size:12*WPSCREEN_WIDTH_RATIO];
AD.textAlignment = NSTextAlignmentLeft;
headImage = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 20*WPSCREEN_WIDTH_RATIO, 20*WPSCREEN_WIDTH_RATIO)];
[self addSubview:headImage];
headImage.layer.cornerRadius = 10;
headImage.layer.masksToBounds = YES;
[self sssss];
[self headimage];
}
return self;
}
-(void)setIformation:(NSString *)Iformation{
AD.text =Iformation;
}
-(void)setImage:(NSString *)Image{
[headImage sd_setImageWithURL:[NSURL URLWithString:Image]];
}
-(void)sssss{
animation = [CABasicAnimation animationWithKeyPath:@"position"];
// 动画选项的设定
animation.duration = 2; // 持续时间
animation.repeatCount = MAXFLOAT; // 重复次数
animation.removedOnCompletion = NO;
animation.autoreverses = NO;
// 起始帧和终了帧的设定
animation.fromValue = [NSValue valueWithCGPoint:CGPointMake(AD.layer.position.x, 30*WPSCREEN_HIGTH_RATIO)]; // 起始帧
animation.toValue = [NSValue valueWithCGPoint:CGPointMake(AD.layer.position.x, AD.layer.position.y-20*WPSCREEN_HIGTH_RATIO)]; // 终了帧
// 添加动画
[AD.layer addAnimation:animation forKey:@"AnimationMoveY"];
// [headImage.layer addAnimation:animation forKey:@"AnimationMoveY"];
}
-(void)headimage{
animationhead = [CABasicAnimation animationWithKeyPath:@"position"];
// 动画选项的设定
animationhead.duration = 2; // 持续时间
animationhead.repeatCount = MAXFLOAT; // 重复次数
animationhead.removedOnCompletion = NO;
animationhead.autoreverses = NO;
// 起始帧和终了帧的设定
animationhead.fromValue = [NSValue valueWithCGPoint:CGPointMake(headImage.layer.position.x, 30*WPSCREEN_HIGTH_RATIO)]; // 起始帧
animationhead.toValue = [NSValue valueWithCGPoint:CGPointMake(headImage.layer.position.x, headImage.layer.position.y-20*WPSCREEN_HIGTH_RATIO)]; // 终了帧
// 添加动画
[headImage.layer addAnimation:animationhead forKey:@"AnimationMoveY"];
}
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持快网idc。
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