iOS自定义UIButton点击动画特效

概述iOS自定义UIButton点击动画特效 借鉴相关资料,整理了一个很有意思的button动画效果,iOS自定义UIButton点击动画特效 先看一下效果图: 下面贴上代码: ViewController: #import <UIKit/UIKit.h> @interface ViewController : UIViewController @end #import "ViewController.h" #import "HWButton.h" #define mainW [UIScr ...

借鉴相关资料，整理了一个很有意思的button动画效果，iOS自定义UIbutton点击动画特效

先看一下效果图：

下面贴上代码：

VIEwController：

#import <UIKit/UIKit.h>@interface VIEwController : UIVIEwController@end#import "VIEwController.h"#import "HWbutton.h"#define mainW [UIScreen mainScreen].bounds.size.wIDth#define mainH [UIScreen mainScreen].bounds.size.height@interface VIEwController ()@end@implementation VIEwController- (voID)vIEwDIDLoad {  [super vIEwDIDLoad];  self.vIEw.backgroundcolor = [UIcolor blackcolor];  //创建控件  [self creatbutton];}- (voID)creatbutton{  HWbutton *button = [[HWbutton alloc] initWithFrame:CGRectMake(mainW * 0.5 - 60,mainH - 100,120,72) maxleft:100 maxRight:100 maxHeight:300];  [button setimage:[UIImage imagenamed:@"button"] forState:UIControlStatenormal];  button.images = @[[UIImage imagenamed:@"Circle 1"],[UIImage imagenamed:@"Circle 2"],[UIImage imagenamed:@"Circle 3"],[UIImage imagenamed:@"Hero"]];  button.duration = 10;  [button addTarget:self action:@selector(buttonOnClick:) forControlEvents:UIControlEventtouchUpInsIDe];  [self.vIEw addSubvIEw:button];}- (voID)buttonOnClick:(HWbutton *)btn{  [btn generateBubbleInRandom];}@end

HWbutton：

#import <UIKit/UIKit.h>@interface HWbutton : UIbutton@property (nonatomic,assign) CGfloat maxleft;@property (nonatomic,assign) CGfloat maxRight;@property (nonatomic,assign) CGfloat maxHeight;@property (nonatomic,assign) CGfloat duration;@property (nonatomic,strong) NSArray *images;- (instancetype)initWithFrame:(CGRect)frame maxleft:(CGfloat)maxleft maxRight:(CGfloat)maxRight maxHeight:(CGfloat)maxHeight;- (voID)generateBubbleWithImage:(UIImage *)image;- (voID)generateBubbleInRandom;@end#import "HWbutton.h"@implementation HWbutton{  CGPoint _startPoint;  CGfloat _maxWIDth;  NSMutableSet *_recyclePool;  NSMutableArray *_array;}- (instancetype)initWithFrame:(CGRect)frame maxleft:(CGfloat)maxleft maxRight:(CGfloat)maxRight maxHeight:(CGfloat)maxHeight{  self = [super initWithFrame:frame];  if (self) {    _maxHeight = maxHeight;    _maxleft  = maxleft;    _maxRight = maxRight;    [self initData];  }  return self;}- (ID)initWithCoder:(NSCoder *)aDecoder{  self = [super initWithCoder:aDecoder];  if (self) {    [self initData];  }  return self;}- (voID)initData{  _array = @[].mutablecopy;  _recyclePool = [NSMutableSet set];}- (voID)generateBubbleInRandom{  CALayer *layer;  if (_recyclePool.count > 0) {    layer = [_recyclePool anyObject];    [_recyclePool removeObject:layer];  }else {    UIImage *image = self.images[arc4random() % self.images.count];    layer = [self createLayerWithImage:image];  }  [self.layer addSublayer:layer];  [self generateBubbleWithCAlayer:layer];}- (voID)generateBubbleWithImage:(UIImage *)image{  CALayer *layer = [self createLayerWithImage:image];  [self.layer addSublayer:layer];  [self generateBubbleWithCAlayer:layer];}- (voID)generateBubbleWithCAlayer:(CALayer *)layer{  _maxWIDth = _maxleft + _maxRight + self.bounds.size.wIDth;  _startPoint = CGPointMake(self.frame.size.wIDth / 2,0);  CGPoint endPoint = CGPointMake(_maxWIDth * [self randomfloat] - _maxleft,-_maxHeight);  CGPoint controlPoint1 = CGPointMake(_maxWIDth * [self randomfloat] - _maxleft,-_maxHeight * 0.2);  CGPoint controlPoint2 = CGPointMake(_maxWIDth * [self randomfloat] - _maxleft,-_maxHeight * 0.6);  CGMutablePathref curvedpath = CGPathCreateMutable();  CGPathMovetoPoint(curvedpath,NulL,_startPoint.x,_startPoint.y);  CGPathAddCurvetoPoint(curvedpath,controlPoint1.x,controlPoint1.y,controlPoint2.x,controlPoint2.y,endPoint.x,endPoint.y);  CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animation];  keyFrame.keyPath = @"position";  keyFrame.path = CFautorelease(curvedpath);  keyFrame.duration = self.duration;  keyFrame.calculationMode = kCAAnimationPaced;  [layer addAnimation:keyFrame forKey:@"keyframe"];  CABasicAnimation *scale = [CABasicAnimation animation];  scale.keyPath = @"transform.scale";  scale.tovalue = @1;  scale.fromValue = [NSValue valueWithCAtransform3D:CAtransform3DMakeScale(0.1,0.1,0.1)];  scale.duration = 0.5;  CABasicAnimation *Alpha = [CABasicAnimation animation];  Alpha.keyPath = @"opacity";  Alpha.fromValue = @1;  Alpha.tovalue = @0.1;  Alpha.duration = self.duration * 0.4;  Alpha.beginTime = self.duration - Alpha.duration;  CAAnimationGroup *group = [CAAnimationGroup animation];  group.animations = @[keyFrame,scale,Alpha];  group.duration = self.duration;  group.delegate = self;  group.timingFunction = [camediatimingFunction functionWithname:kcamediatimingFunctionEaSEOut];  group.fillMode = kCAFillModeForwards;  group.removedOnCompletion = NO;  [layer addAnimation:group forKey:@"group"];  [_array addobject:layer];}- (CGfloat)randomfloat{  return (arc4random() % 100)/100.0f;}- (CALayer *)createLayerWithImage:(UIImage *)image{  CGfloat scale = [UIScreen mainScreen].scale;  CALayer *layer = [CALayer layer];  layer.frame  = CGRectMake(0,image.size.wIDth / scale,image.size.height / scale);  layer.contents = (__brIDge ID)image.CGImage;;  return layer;}- (voID)animationDIDStop:(CAAnimation *)anim finished:(BOol)flag{  if (flag) {    CALayer *layer = [_array firstObject];    [layer removeAllAnimations];    [layer removeFromSuperlayer];    [_array removeObject:layer];    [_recyclePool addobject:layer];  }}@end

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