//圖片移動(dòng)動(dòng)畫POPSpringAnimation *anim4 = [POPSpringAnimation animationWithPropertyNamed:kPOPViewFrame];//kPOPViewFrame表示改變的值是frame//動(dòng)畫開始的值(.yy_x是我寫的分類的語(yǔ)法，等同于.frame.origin.x，其它同理)anim4.fromValue = [NSValue valueWithCGRect:CGRectMake(self.LoginImage.yy_x, self.LoginImage.yy_y, self.LoginImage.yy_width, self.LoginImage.yy_height)];//動(dòng)畫結(jié)束時(shí)的值anim4.toValue = [NSValue valueWithCGRect:CGRectMake(self.LoginImage.yy_x, self.LoginImage.yy_y-75, self.LoginImage.yy_width, self.LoginImage.yy_height)];//開始的時(shí)間anim4.beginTime = CACurrentMediaTime()+0.2;//彈性系數(shù)anim4.springBounciness = YYSpringBounciness;//YYSpringBounciness是我定義的靜態(tài)變量，值是16.0//速度anim4.springSpeed = YYSpringSpeed;//YYSpringSpeed是我定義的靜態(tài)變量，值是6.0//加到控件上執(zhí)行[self.LoginImage pop_addAnimation:anim4 forKey:nil];//文字移動(dòng)動(dòng)畫POPSpringAnimation *anim5 = [POPSpringAnimation animationWithPropertyNamed:kPOPViewFrame];anim5.fromValue = [NSValue valueWithCGRect:CGRectMake(self.LoginWord.yy_x, self.LoginWord.yy_y, self.LoginWord.yy_width, self.LoginWord.yy_height)];anim5.toValue = [NSValue valueWithCGRect:CGRectMake(self.LoginWord.yy_x, self.LoginWord.yy_y-75, self.LoginWord.yy_width, self.LoginWord.yy_height)];anim5.beginTime = CACurrentMediaTime()+0.2;anim5.springBounciness = YYSpringBounciness;anim5.springSpeed = YYSpringSpeed;[self.LoginWord pop_addAnimation:anim5 forKey:nil];

//get背景顏色CABasicAnimation *changeColor1 = [CABasicAnimation animationWithKeyPath:@"backgroundColor"];changeColor1.fromValue = (__bridge id)ButtonColor.CGColor;changeColor1.toValue = (__bridge id)[UIColor whiteColor].CGColor;changeColor1.duration = 0.8f;changeColor1.beginTime = CACurrentMediaTime();//以下兩個(gè)參數(shù)，是為了動(dòng)畫完成后，控件的樣子不回到動(dòng)畫前的樣子//因?yàn)樯衔闹刑岬竭^，核心動(dòng)畫是給layer做動(dòng)畫，控件本身的屬性不會(huì)變changeColor1.fillMode = kCAFillModeForwards;changeColor1.removedOnCompletion = false;[animView.layer addAnimation:changeColor1 forKey:changeColor1.keyPath];//get按鈕變寬CABasicAnimation *anim1 = [CABasicAnimation animationWithKeyPath:@"bounds.size.width"];anim1.fromValue = @(CGRectGetWidth(animView.bounds));anim1.toValue = @(YYScreenW*0.8);anim1.duration = 0.1;anim1.beginTime = CACurrentMediaTime();anim1.fillMode = kCAFillModeForwards;anim1.removedOnCompletion = false;[animView.layer addAnimation:anim1 forKey:anim1.keyPath];//get按鈕變高CABasicAnimation *anim2 = [CABasicAnimation animationWithKeyPath:@"bounds.size.height"];anim2.fromValue = @(CGRectGetHeight(animView.bounds));anim2.toValue = @(YYScreenH*0.3);anim2.duration = 0.1;anim2.beginTime = CACurrentMediaTime()+0.1;anim2.fillMode = kCAFillModeForwards;anim2.removedOnCompletion = false;[animView.layer addAnimation:anim2 forKey:anim2.keyPath];//get按鈕移動(dòng)動(dòng)畫//這里的移動(dòng)跟logo的移動(dòng)是同步的，所以用popPOPSpringAnimation *anim3 = [POPSpringAnimation animationWithPropertyNamed:kPOPViewCenter];anim3.fromValue = [NSValue valueWithCGRect:CGRectMake(animView.yy_centerX, animView.yy_centerY, animView.yy_width, animView.yy_height)];anim3.toValue = [NSValue valueWithCGRect:CGRectMake(animView.yy_centerX, animView.yy_centerY-75, animView.yy_width, animView.yy_height)];anim3.beginTime = CACurrentMediaTime()+0.2;anim3.springBounciness = YYSpringBounciness;anim3.springSpeed = YYSpringSpeed;[animView pop_addAnimation:anim3 forKey:nil];2、輸入框出現(xiàn)、LOGIN按鈕出現(xiàn)思路：輸入框是透明度的改變，LOGIN按鈕是大小的改變。代碼：//賬號(hào)密碼輸入框出現(xiàn)self.userTextField.alpha = 0.0;self.passwordTextField.alpha = 0.0;[UIView animateWithDuration:0.4 delay:0.2 options:UIViewAnimationOptionCurveEaseInOut animations:^{  self.userTextField.alpha = 1.0;  self.passwordTextField.alpha = 1.0;} completion:^(BOOL finished) {   }];//login按鈕出現(xiàn)動(dòng)畫self.LoginButton.yy_centerX = YYScreenW*0.5;self.LoginButton.yy_centerY = YYScreenH*0.7+44+(YYScreenH*0.3-44)*0.5-75;CABasicAnimation *animLoginBtn = [CABasicAnimation animationWithKeyPath:@"bounds.size"];animLoginBtn.fromValue = [NSValue valueWithCGSize:CGSizeMake(0, 0)];animLoginBtn.toValue = [NSValue valueWithCGSize:CGSizeMake(YYScreenW*0.5, 44)];animLoginBtn.duration = 0.4;animLoginBtn.beginTime = CACurrentMediaTime()+0.2;animLoginBtn.fillMode = kCAFillModeForwards;animLoginBtn.removedOnCompletion = false;animLoginBtn.delegate = self;//在代理方法(動(dòng)畫完成回調(diào))里，讓按鈕真正的寬高改變，而不僅僅是它的layer,否則看得到點(diǎn)不到[self.LoginButton.layer addAnimation:animLoginBtn forKey:animLoginBtn.keyPath];/** 動(dòng)畫執(zhí)行結(jié)束回調(diào) */- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{  if ([((CABasicAnimation *)anim).keyPath isEqualToString:@"bounds.size"])  {    self.LoginButton.bounds = CGRectMake(YYScreenW*0.5, YYScreenH*0.7+44+(YYScreenH*0.3-44)*0.5-75, YYScreenW*0.5, 44);  }}

//執(zhí)行登錄按鈕轉(zhuǎn)圈動(dòng)畫的view//為了不影響按鈕本身的效果，這里新建一個(gè)空間做轉(zhuǎn)圈動(dòng)畫self.LoginAnimView = [[UIView alloc] initWithFrame:self.LoginButton.frame];self.LoginAnimView.layer.cornerRadius = 10;self.LoginAnimView.layer.masksToBounds = YES;self.LoginAnimView.frame = self.LoginButton.frame;self.LoginAnimView.backgroundColor = self.LoginButton.backgroundColor;[self.view addSubview:self.LoginAnimView];self.LoginButton.hidden = YES;//把view從寬的樣子變圓CGPoint centerPoint = self.LoginAnimView.center;CGFloat radius = MIN(self.LoginButton.frame.size.width, self.LoginButton.frame.size.height);[UIView animateWithDuration:0.3 delay:0 options:UIViewAnimationOptionCurveEaseOut animations:^{     self.LoginAnimView.frame = CGRectMake(0, 0, radius, radius);  self.LoginAnimView.center = centerPoint;  self.LoginAnimView.layer.cornerRadius = radius/2;  self.LoginAnimView.layer.masksToBounds = YES;   }completion:^(BOOL finished) {     //給圓加一條不封閉的白色曲線  UIBezierPath* path = [[UIBezierPath alloc] init];  [path addArcWithCenter:CGPointMake(radius/2, radius/2) radius:(radius/2 - 5) startAngle:0 endAngle:M_PI_2 * 2 clockwise:YES];  self.shapeLayer = [[CAShapeLayer alloc] init];  self.shapeLayer.lineWidth = 1.5;  self.shapeLayer.strokeColor = [UIColor whiteColor].CGColor;  self.shapeLayer.fillColor = self.LoginButton.backgroundColor.CGColor;  self.shapeLayer.frame = CGRectMake(0, 0, radius, radius);  self.shapeLayer.path = path.CGPath;  [self.LoginAnimView.layer addSublayer:self.shapeLayer];     //讓圓轉(zhuǎn)圈，實(shí)現(xiàn)"加載中"的效果  CABasicAnimation* baseAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation"];  baseAnimation.duration = 0.4;  baseAnimation.fromValue = @(0);  baseAnimation.toValue = @(2 * M_PI);  baseAnimation.repeatCount = MAXFLOAT;  [self.LoginAnimView.layer addAnimation:baseAnimation forKey:nil];}];

//給按鈕添加左右擺動(dòng)的效果(關(guān)鍵幀動(dòng)畫)CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animationWithKeyPath:@"position"];CGPoint point = self.LoginAnimView.layer.position;//這個(gè)參數(shù)就是值變化的數(shù)組keyFrame.values = @[[NSValue valueWithCGPoint:CGPointMake(point.x, point.y)],                     [NSValue valueWithCGPoint:CGPointMake(point.x - 10, point.y)],                     [NSValue valueWithCGPoint:CGPointMake(point.x + 10, point.y)],                     [NSValue valueWithCGPoint:CGPointMake(point.x - 10, point.y)],                     [NSValue valueWithCGPoint:CGPointMake(point.x + 10, point.y)],                     [NSValue valueWithCGPoint:CGPointMake(point.x - 10, point.y)],                     [NSValue valueWithCGPoint:CGPointMake(point.x + 10, point.y)],                     [NSValue valueWithCGPoint:point]];//timingFunction意思是動(dòng)畫執(zhí)行的效果(這個(gè)屬性玩HTML+CSS的童鞋應(yīng)該很熟悉吧)//kCAMediaTimingFunctionEaseInEaseOut表示淡入淡出keyFrame.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];keyFrame.duration = 0.5f;[self.LoginButton.layer addAnimation:keyFrame forKey:keyFrame.keyPath];

YYFirstViewController *vc = [[YYFirstViewController alloc] init];vc.transitioningDelegate = self;//也就是這里[self presentViewController:vc animated:YES completion:nil];

//遵守代理@interface YYLoginViewController () #pragma mark UIViewControllerTransitioningDelegate(轉(zhuǎn)場(chǎng)動(dòng)畫代理)//這個(gè)是B回到A時(shí)執(zhí)行的方法- (id)animationControllerForDismissedController:(UIViewController *)dismissed{  //暫時(shí)別糾結(jié)YYLoginTranslation是什么，看下文  YYLoginTranslation *loginTranslation = [[YYLoginTranslation alloc] init];  return loginTranslation;}//這個(gè)是A跳到B時(shí)執(zhí)行的方法- (id)animationControllerForPresentedController:(UIViewController *)presented presentingController:(UIViewController *)presenting sourceController:(UIViewController *)source{  YYLoginTranslation *loginTranslation = [[YYLoginTranslation alloc] init];  return loginTranslation;}

//類的.h文件#import #import @interface YYLoginTranslation : NSObject @end//類的.m文件#import "YYLoginTranslation.h"@interface YYLoginTranslation () @end@implementation YYLoginTranslation//代碼方法-轉(zhuǎn)場(chǎng)時(shí)長(zhǎng)- (NSTimeInterval)transitionDuration:(id)transitionContext{  return 1.0;}//代理方法-轉(zhuǎn)場(chǎng)動(dòng)畫的代碼- (void)animateTransition:(id)transitionContext{  //transitionContext:轉(zhuǎn)場(chǎng)上下文     //轉(zhuǎn)場(chǎng)過程中顯示的view，所有動(dòng)畫控件都應(yīng)該加在這上面  //這就是那個(gè)所謂的載體  UIView* containerView = [transitionContext containerView];     //在這里把要做動(dòng)畫效果的控件往containerView上面加  //開始開心的做動(dòng)畫     //最后，在動(dòng)畫完成的時(shí)候，記得標(biāo)識(shí)轉(zhuǎn)場(chǎng)結(jié)束  [transitionContext completeTransition:YES];}

//設(shè)定曲線CGMutablePathRef path = CGPathCreateMutable();//開始的點(diǎn)CGPathMoveToPoint(path, NULL, (circularAnimView.yy_x+circularAnimView.yy_width*0.5), (circularAnimView.yy_y+circularAnimView.yy_height*0.5));//設(shè)置結(jié)束的點(diǎn)和拉力點(diǎn)，第三個(gè)參數(shù)是拉力點(diǎn)CGPathAddQuadCurveToPoint(path, NULL, YYScreenW*0.9, circularAnimView.yy_y+circularAnimView.yy_height, (originalX+circularAnimView.yy_width*0.5), (originalY+circularAnimView.yy_height*0.5));CAKeyframeAnimation *animate = [CAKeyframeAnimation animationWithKeyPath:@"position"];animate.delegate = self;//在動(dòng)畫結(jié)束的代理方法中讓加號(hào)出現(xiàn)animate.duration = 0.4;animate.beginTime = CACurrentMediaTime()+0.15;animate.fillMode = kCAFillModeForwards;animate.repeatCount = 0;animate.path = path;//移動(dòng)路徑animate.removedOnCompletion = NO;CGPathRelease(path);[circularAnimView.layer addAnimation:animate forKey:@"circleMoveAnimation"];

CGFloat proportion = toVC.navWord.yy_width / fromVC.LoginWord.yy_width;CABasicAnimation * LoginWordScale = [CABasicAnimation animationWithKeyPath:@"transform.scale"];LoginWordScale.fromValue = [NSNumber numberWithFloat:1.0];LoginWordScale.toValue = [NSNumber numberWithFloat:proportion];LoginWordScale.duration = 0.4;LoginWordScale.beginTime = CACurrentMediaTime()+0.15;LoginWordScale.removedOnCompletion = NO;LoginWordScale.fillMode = kCAFillModeForwards;[fromVC.LoginWord.layer addAnimation:LoginWordScale forKey:LoginWordScale.keyPath];CGPoint newPosition = [toVC.view convertPoint:toVC.navWord.center fromView:toVC.navView];[UIView animateWithDuration:0.4 delay:0.15 options:UIViewAnimationOptionCurveEaseInOut animations:^{  fromVC.LoginWord.yy_centerX = newPosition.x;  fromVC.LoginWord.yy_centerY = newPosition.y;} completion:^(BOOL finished) {   }];

//transitionContext:轉(zhuǎn)場(chǎng)上下文//轉(zhuǎn)場(chǎng)過程中顯示的view，所有動(dòng)畫控件都應(yīng)該加在這上面UIView *containerView = [transitionContext containerView];//轉(zhuǎn)場(chǎng)的來(lái)源控制器YYLoginViewController* toVC = (YYLoginViewController *)[transitionContext viewControllerForKey:UITransitionContextToViewControllerKey];//轉(zhuǎn)場(chǎng)去往的控制器YYFirstViewController* fromVC = (YYFirstViewController *)[transitionContext viewControllerForKey:UITransitionContextFromViewControllerKey];//做一個(gè)淡入淡出的效果toVC.view.alpha = 0;[containerView addSubview:toVC.view];[UIView animateWithDuration:1.0 animations:^{  fromVC.view.alpha = 0;} completion:^(BOOL finished) {}];[UIView animateWithDuration:0.6 delay:0.4 options:UIViewAnimationOptionCurveEaseInOut animations:^{  toVC.view.alpha = 1;} completion:^(BOOL finished) {  [transitionContext completeTransition:YES];}];