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//监听事件
-(void)setUpSomething{
UITapGestureRecognizer *tapGes = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapped:)];
[self addGestureRecognizer:tapGes];
}
//点击动画
#pragma mark -- UITapGesture
-(void)tapped:(UITapGestureRecognizer *)tapped{
originframe = self.frame;
if (animating == YES) {
return;
}
for (CALayer *subLayer in self.layer.sublayers) {
[subLayer removeFromSuperlayer];
}
self.backgroundColor = [UIColor colorWithRed:0.0 green:122/255.0 blue:255/255.0 alpha:1.0];
animating = YES;
self.layer.cornerRadius = self.progressBarHeight/2;
//注意:[UIView animate]的方法里只能对UIView的属性进行动画，对于layer的属性是无效的。比如你在这里想让self.AnimateView.layer.cornerRadius = 50.0; 是没有意义的。必须使用CoreAnimation。
CABasicAnimation *radiusAnimation = [CABasicAnimation animationWithKeyPath:@"cornerRadius"];
radiusAnimation.duration = 0.2f;
radiusAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
radiusAnimation.fromValue = @(originframe.size.height/2);
//不需要设置toValue了
radiusAnimation.delegate = self;
[self.layer addAnimation:radiusAnimation forKey:@"cornerRadiusShrinkAnim"];
}
-(void)animationDidStart:(CAAnimation *)anim{
//这里介绍两种方式区分不同的anim 1、对于加在一个全局变量上的anima，比如例子里的self.AnimateView ，这是一个全局变量，所以我们在这里可以通过[self.AnimateView.layer animationForKey:]根据动画不同的key来区分
//2、然而对于一个非全局的变量，比如demo中的progressLayer，可以用KVO:[pathAnimation setValue:@"strokeEndAnimation" forKey:@"animationName"];注意这个animationName是我们自己设定的。
if ([anim isEqual:[self.layer animationForKey:@"cornerRadiusShrinkAnim"]]) {
[UIView animateWithDuration:0.6f delay:0.0f usingSpringWithDamping:0.6 initialSpringVelocity:0.0 options:UIViewAnimationOptionCurveEaseOut animations:^{
self.bounds = CGRectMake(0, 0, _progressBarWidth, _progressBarHeight);
} completion:^(BOOL finished) {
[self.layer removeAllAnimations];
[self progressBarAnimation];
}];
}else if ([anim isEqual:[self.layer animationForKey:@"cornerRadiusExpandAnim"]]){
[UIView animateWithDuration:0.6f delay:0.0f usingSpringWithDamping:0.6 initialSpringVelocity:0.0 options:UIViewAnimationOptionCurveEaseOut animations:^{
self.bounds = CGRectMake(0, 0, originframe.size.width, originframe.size.height);
self.backgroundColor = [UIColor colorWithRed:0.1803921568627451 green:0.8 blue:0.44313725490196076 alpha:1.0];
} completion:^(BOOL finished) {
[self.layer removeAllAnimations];
[self checkAnimation];
//-----
animating = NO;
}];
}
}
-(void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{
if ([[anim valueForKey:@"animationName"]isEqualToString:@"progressBarAnimation"]){
[UIView animateWithDuration:0.3 animations:^{
for (CALayer *subLayer in self.layer.sublayers) {
subLayer.opacity = 0.0f;
}
} completion:^(BOOL finished) {
if (finished) {
for (CALayer *subLayer in self.layer.sublayers) {
[subLayer removeFromSuperlayer];
}
self.layer.cornerRadius = originframe.size.height/2;
CABasicAnimation *radiusAnimation = [CABasicAnimation animationWithKeyPath:@"cornerRadius"];
radiusAnimation.duration = 0.2f;
radiusAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
radiusAnimation.fromValue = @(_progressBarHeight/2);
radiusAnimation.delegate = self;
[self.layer addAnimation:radiusAnimation forKey:@"cornerRadiusExpandAnim"];
}
}];
}
}
//开始进度动画
-(void)progressBarAnimation{
CAShapeLayer *progressLayer = [CAShapeLayer layer];
UIBezierPath *path = [UIBezierPath bezierPath];
[path moveToPoint:CGPointMake(_progressBarHeight/2, self.bounds.size.height/2)];
[path addLineToPoint:CGPointMake(self.bounds.size.width-_progressBarHeight/2, self.bounds.size.height/2)];
progressLayer.path = path.CGPath;
progressLayer.strokeColor = [UIColor greenColor].CGColor;
progressLayer.lineWidth = _progressBarHeight-4;
progressLayer.lineCap = kCALineCapRound;
//设置了kCALineCapRound 那么圆角弧度自动被设为 lineWidth/2 .所以要想进度条距离外围的间距相等，起始点的 x 坐标应该等于满足公式 x=lineWidth/2+space; ∵ lineWidth ＝ _progressBarHeight-space*2 ∴x = height/2.与 linewidth 是多少并没有关系
[self.layer addSublayer:progressLayer];
CABasicAnimation *pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
pathAnimation.duration = 1.0f;
pathAnimation.fromValue = @(0.0f);
pathAnimation.toValue = @(1.0f);
pathAnimation.delegate = self;
[pathAnimation setValue:@"progressBarAnimation" forKey:@"animationName"];
[progressLayer addAnimation:pathAnimation forKey:nil];
}
//完成后钩钩动画
-(void)checkAnimation{
CAShapeLayer *checkLayer = [CAShapeLayer layer];
UIBezierPath *path = [UIBezierPath bezierPath];
CGRect rectInCircle = CGRectInset(self.bounds, self.bounds.size.width*(1-1/sqrt(2.0))/2, self.bounds.size.width*(1-1/sqrt(2.0))/2);
[path moveToPoint:CGPointMake(rectInCircle.origin.x + rectInCircle.size.width/9, rectInCircle.origin.y + rectInCircle.size.height*2/3)];
[path addLineToPoint:CGPointMake(rectInCircle.origin.x + rectInCircle.size.width/3,rectInCircle.origin.y + rectInCircle.size.height*9/10)];
[path addLineToPoint:CGPointMake(rectInCircle.origin.x + rectInCircle.size.width*8/10, rectInCircle.origin.y + rectInCircle.size.height*2/10)];
checkLayer.path = path.CGPath;
checkLayer.fillColor = [UIColor clearColor].CGColor;
checkLayer.strokeColor = [UIColor whiteColor].CGColor;
checkLayer.lineWidth = 5.0;
checkLayer.lineCap = kCALineCapRound;
checkLayer.lineJoin = kCALineJoinRound;
[self.layer addSublayer:checkLayer];
//增加画画的时间
CABasicAnimation *checkAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
checkAnimation.duration = 0.3f;
checkAnimation.fromValue = @(0.0f);
checkAnimation.toValue = @(1.0f);
checkAnimation.delegate = self;
[checkAnimation setValue:@"checkAnimation" forKey:@"animationName"];
[checkLayer addAnimation:checkAnimation forKey:nil];
}
模拟下载进度动画 (动画监听)
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原文地址：http://www.cnblogs.com/qiugaoying/p/4920454.html
