隱式動畫

        //開始動畫事務
        [CATransaction begin];
        //動畫執行時間
        [CATransaction setAnimationDuration:5];
        //設置動畫代碼塊
        layer.backgroundColor = [UIColor greenColor].CGColor;
        //動畫完成時機
        [CATransaction setCompletionBlock:^{
            NSLog(@"動畫完成");
        }];
        //提交動畫事務,begin和commit之間改變的CALayer屬性,如果為Animatable,就會執行動畫
        [CATransaction commit];

CABaseAnimation

        CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
        //動畫執行時間
        animation.duration = 1;
        //執行時間
        animation.fromValue = @0;
        //目標值
        animation.toValue = @1;
        //動畫時間的消耗曲線
        //1.慢-快-慢
        animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
        //2.默認為勻速
        animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
        //貝茲曲線
        animation.timingFunction = [CAMediaTimingFunction functionWithControlPoints:.25 :.1 :.25 :.1];
        [shaperLayer addAnimation:animation forKey:@"animation"];

坐標繪制

繪制工具: Paint Code

    CAShapeLayer *shaperLayer = [CAShapeLayer layer];
    shaperLayer.strokeColor = [UIColor redColor].CGColor;
    shaperLayer.frame = self.view.frame;
    shaperLayer.fillColor = [UIColor clearColor].CGColor;
    shaperLayer.lineWidth = 10;
    [self.view.layer addSublayer:shaperLayer];
    
    //// Star Drawing
    UIBezierPath* starPath = UIBezierPath.bezierPath;
    [starPath moveToPoint: CGPointMake(203, 122)];
    [starPath addLineToPoint: CGPointMake(234.74, 173.72)];
    [starPath addLineToPoint: CGPointMake(288.6, 191.44)];
    [starPath addLineToPoint: CGPointMake(254.36, 241.13)];
    [starPath addLineToPoint: CGPointMake(255.9, 303.81)];
    [starPath addLineToPoint: CGPointMake(203, 282.8)];
    [starPath addLineToPoint: CGPointMake(150.1, 303.81)];
    [starPath addLineToPoint: CGPointMake(151.64, 241.13)];
    [starPath addLineToPoint: CGPointMake(117.4, 191.44)];
    [starPath addLineToPoint: CGPointMake(171.26, 173.72)];
    [starPath closePath];
    
    shaperLayer.path = starPath.CGPath;

CAKeyFrameAnimation

    CAKeyframeAnimation *animation = [CAKeyframeAnimation animationWithKeyPath:@"backgroundColor"];
    //動畫執行時間
    animation.duration = 5;
    id color1 = (__bridge id)[UIColor redColor].CGColor;
    id color2 = (__bridge id)[UIColor greenColor].CGColor;
    id color3 = (__bridge id)[UIColor blueColor].CGColor;
    //關鍵幀的值
    animation.values = @[color1,color2,color3];
    //關鍵幀出現的時刻
    animation.keyTimes = @[@0.2,@0.6,@0.8];
    [layer addAnimation:animation forKey:@""];

    CALayer *demoLayer = [CALayer layer];
    demoLayer.backgroundColor = [UIColor redColor].CGColor;
    demoLayer.frame = CGRectMake(100, 100, 30, 30);
    [self.view.layer addSublayer:demoLayer];

    
    CAShapeLayer *shaperLayer = [CAShapeLayer layer];
    shaperLayer.strokeColor = [UIColor greenColor].CGColor;
    shaperLayer.frame = self.view.frame;
    shaperLayer.fillColor = [UIColor clearColor].CGColor;
    shaperLayer.lineWidth = 4;
    [self.view.layer addSublayer:shaperLayer];
    
    CAKeyframeAnimation *aniamtion = [CAKeyframeAnimation animationWithKeyPath:@"position"];
    aniamtion.duration = 5;
    
    //// Bezier Drawing
    UIBezierPath* bezierPath = UIBezierPath.bezierPath;
    [bezierPath moveToPoint: CGPointMake(59.5, 82.5)];
    [bezierPath addCurveToPoint: CGPointMake(320.5, 119.5) controlPoint1: CGPointMake(59.5, 82.5) controlPoint2: CGPointMake(303.5, -47.5)];
    [bezierPath addCurveToPoint: CGPointMake(45.5, 675.5) controlPoint1: CGPointMake(337.5, 286.5) controlPoint2: CGPointMake(-27.5, 543.5)];
    [bezierPath addCurveToPoint: CGPointMake(267.5, 646.5) controlPoint1: CGPointMake(118.5, 807.5) controlPoint2: CGPointMake(209.5, 754.5)];
    shaperLayer.path = bezierPath.CGPath;
    
    //設置動畫的路徑
    aniamtion.path = bezierPath.CGPath;
    //讓圖像的頭部隨著動畫變化而變化
    aniamtion.rotationMode = kCAAnimationRotateAuto;
    //設置動畫自動回到回復為YES,且完成之后回到原點
    aniamtion.autoreverses = YES;
    //動畫執行次數為2次
    aniamtion.repeatCount = 2;
    //表現層停留在動畫完成狀態
    aniamtion.fillMode = kCAFillModeForwards;
    //動畫完成后不移除,一直處于最后狀態
    aniamtion.removedOnCompletion = NO;
    
    [demoLayer addAnimation:aniamtion forKey:@""];

CAAnimationGroup

CAAnimationGroup *group = [CAAnimationGroup animation];
group.animations = @[animation, animation1];
group.duration = 10;
[_animationLayer addAnimation:group forKey:@"group"];

切換動畫CATransition(酷炫效果，網上搜索)

CATransition *transition = [CATransition animation];
//動畫類型
 transition.type = kCATransitionReveal;
// 子類型
transition.subtype = kCATransitionFromBottom;
transition.duration = 10;
[_animationLayer addAnimation:transition forKey:@"xx"];