1、UIView本身对于基本动画和关键帧动画、转场动画都有相应的封装，在对动画细节没有特殊要求的情况下使用起来也要简单的多
#import "ViewController.h"
@interface ViewController ()<CAAnimationDelegate>
@property(nonatomic, strong) UIImageView *firstImgView;
@property(nonatomic, strong) UIImageView * secondImgView;
@property(nonatomic, strong) UIImageView * receiveImgView;
@property(nonatomic, strong) UILabel * titleLab;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
_firstImgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 240*0.8, 295*0.8)];
_firstImgView.center = self.view.center;
_firstImgView.image = [UIImage imageNamed:@"2.png"];
_firstImgView.alpha = 0.0;
[self.view addSubview:_firstImgView];
_secondImgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 240*0.8, 295*0.8)];
_secondImgView.center = self.view.center;
_secondImgView.image = [UIImage imageNamed:@"1.png"];
_secondImgView.hidden = YES;
[self.view addSubview:_secondImgView];
_titleLab = [[UILabel alloc] initWithFrame:CGRectMake(0, 40, 240*0.8, 30*0.8)];
_titleLab.textAlignment = NSTextAlignmentCenter;
_titleLab.text = @"恭喜获得15张试聊卡!";
// _titleLab.font = [UIFont systemFontOfSize:18];
[_titleLab setAdjustsFontSizeToFitWidth:YES];
_titleLab.adjustsFontSizeToFitWidth = YES;
_titleLab.baselineAdjustment = UIBaselineAdjustmentAlignCenters;
_titleLab.textColor = [UIColor whiteColor];
[_secondImgView addSubview:_titleLab];
CGFloat x = _secondImgView.center.x;
CGFloat y = CGRectGetMaxY(_secondImgView.bounds) +100 +_secondImgView.bounds.size.height ;
_receiveImgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 180, 48)];
_receiveImgView.center = CGPointMake(x, y);
_receiveImgView.image = [UIImage imageNamed:@"3.png"];
_receiveImgView.alpha = 0.0;
[self.view addSubview:_receiveImgView];
}
- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
// 设置透视变换矩阵
CATransform3D perspectiveTransform = CATransform3DIdentity;
perspectiveTransform.m34 = -1.f/700;
// 绕y轴旋转π
CATransform3D transform = CATransform3DRotate(perspectiveTransform, M_PI, 0, 1, 0);
CABasicAnimation * animation_1 = [CABasicAnimation animation];
animation_1.keyPath = @"transform";
animation_1.duration = 0.083;
animation_1.removedOnCompletion = NO;
animation_1.fillMode = kCAFillModeForwards;
animation_1.repeatCount = 10;
animation_1.toValue = [NSValue valueWithCATransform3D:transform];
[_firstImgView.layer addAnimation:animation_1 forKey:@"animation_1"];
NSTimer *timer = [NSTimer timerWithTimeInterval:0.83 repeats:NO block:^(NSTimer * _Nonnull timer) {
[_firstImgView.layer removeAnimationForKey:@"animation_1"];
CABasicAnimation * animation_2 = [CABasicAnimation animation];
animation_2.keyPath = @"transform";
animation_2.duration = 0.21;
animation_2.removedOnCompletion = NO;
animation_2.fillMode = kCAFillModeForwards;
animation_2.repeatCount = 2;
animation_2.toValue = [NSValue valueWithCATransform3D:transform];
[_firstImgView.layer addAnimation:animation_2 forKey:@"animation_2"];
}];
[[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];
[UIView animateKeyframesWithDuration:1.25 delay:0 options:UIViewKeyframeAnimationOptionCalculationModeLinear animations:^{
[UIView addKeyframeWithRelativeStartTime:0.0 relativeDuration:0.2 animations:^{
_firstImgView.alpha = 1.0f;
}];
} completion:^(BOOL finish){
[_firstImgView.layer removeAllAnimations];
[_firstImgView removeFromSuperview];
[self animateSeconde];
}];
}
- (void)animateSeconde {
_secondImgView.hidden = NO;
CABasicAnimation * animation = [CABasicAnimation animation];
animation.keyPath = @"transform";
animation.duration = 0.25;
animation.removedOnCompletion = NO;
animation.fillMode = kCAFillModeForwards;
animation.repeatCount = 4;
// 设置透视变换矩阵
CATransform3D perspectiveTransform = CATransform3DIdentity;
perspectiveTransform.m34 = -1.f/700;
// 将透视变换复合到旋转变换中
// 绕y轴旋转π
CATransform3D transform = CATransform3DRotate(perspectiveTransform, M_PI, 0, 1, 0);
animation.toValue = [NSValue valueWithCATransform3D:transform];
[_secondImgView.layer addAnimation:animation forKey:@"secondLayer"];
// [lab.layer addAnimation:animation forKey:@"secondLayer"];
NSTimer *timer = [NSTimer timerWithTimeInterval:1.0 repeats:NO block:^(NSTimer * _Nonnull timer) {
[_secondImgView.layer removeAnimationForKey:@"secondLayer"];
[UIView animateKeyframesWithDuration:1.0 delay:0 options:UIViewKeyframeAnimationOptionCalculationModeLinear animations:^{
[UIView addKeyframeWithRelativeStartTime:0.0 relativeDuration:0.125 animations:^{
_secondImgView.transform = CGAffineTransformMakeScale(1.5, 1.5);
}];
[UIView addKeyframeWithRelativeStartTime:0.875 relativeDuration:0.875 animations:^{
_secondImgView.transform = CGAffineTransformMakeScale(1.25, 1.25);
}];
} completion:^(BOOL finish){
_receiveImgView.alpha = 1.0;
}];
}];
[[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];
}
@end
获得卡牌.gif
2、贝塞尔曲线
- (void)circleAnimationTypeOne
{
//创建出CAShapeLayer
self.shapeLayer = [CAShapeLayer layer];
self.shapeLayer.frame = self.rect;
self.shapeLayer.fillColor = [UIColor whiteColor].CGColor;
//设置线条的宽度和颜色
self.shapeLayer.lineWidth = self.lineWidth;
self.shapeLayer.strokeColor = [UIColor lightGrayColor].CGColor;
//创建出圆形贝塞尔曲线
UIBezierPath* circlePath=[UIBezierPath bezierPathWithArcCenter:CGPointMake(self.rect.size.width / 2, self.rect.size.height / 2 )radius:self.rect.size.height / 2 startAngle:M_PI_2 endAngle:2.5*M_PI clockwise:YES];
//让贝塞尔曲线与CAShapeLayer产生联系
self.shapeLayer.path = circlePath.CGPath;
//添加并显示
[self.layer addSublayer:self.shapeLayer];
UIBezierPath* circlePath2=[UIBezierPath bezierPathWithArcCenter:CGPointMake(self.rect.size.width / 2, self.rect.size.height / 2 )radius:self.rect.size.height / 2 startAngle:M_PI_2 endAngle:2*M_PI*_haveFinished+M_PI_2 clockwise:YES];
//创建出CAShapeLayer
self.shapeLayer2 = [CAShapeLayer layer];
self.shapeLayer2.frame = self.rect;
self.shapeLayer2.fillColor = [UIColor clearColor].CGColor;
//设置线条的宽度和颜色
self.shapeLayer2.lineWidth = self.lineWidth;
self.shapeLayer2.strokeColor = kCColor(0,174,239).CGColor;
//让贝塞尔曲线与CAShapeLayer产生联系
self.shapeLayer2.path = circlePath2.CGPath;
//添加并显示
[self.layer addSublayer:self.shapeLayer2];
UIView* view=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 20, 20)];
view.center = CGPointMake(self.rect.size.width / 2, self.rect.size.height);
view.layer.cornerRadius=10;
view.layer.masksToBounds=YES;
view.backgroundColor= kCColor(0,174,239);
_roundView=view;
[self addSubview:view];
}
flowQuery.gif
更多详情请参考：
iOS动画，绝对够分量！
iOS开发系列--让你的应用“动”起来
