• 一、平移动画
• 二、缩放动画
• 三、旋转动画
• 四、其他

1 _myView = [[UIView alloc] init];
2 _myView.layer.position = CGPointMake(100, 100);
3 _myView.layer.bounds = CGRectMake(0, 0, 100, 100);
4 _myView.backgroundColor = [UIColor blueColor];
5 [self.view addSubview:_myView];
6 [_myView release];

 1 // 说明这个动画对象要对CALayer的position属性执行动画
 2 CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"position"];
 3 // 动画持续1.5s
 4 anim.duration = 1.5;
 5
 6 // position属性值从(50, 80)渐变到(300, 350)
 7 anim.fromValue = [NSValue valueWithCGPoint:CGPointMake(50, 80)];
 8 anim.toValue = [NSValue valueWithCGPoint:CGPointMake(300, 350)];
 9
10 // 设置动画的代理
11 anim.delegate = self;
12
13 // 保持动画执行后的状态
14 anim.removedOnCompletion = NO;
15 anim.fillMode = kCAFillModeForwards;
16
17 // 添加动画对象到图层上
18 [_myView.layer addAnimation:anim forKey:@"translate"];

 1 #pragma mark 动画开始
 2 - (void)animationDidStart:(CAAnimation *)anim {
 3     NSLog(@"动画开始了");
 4 }
 5
 6 #pragma mark 动画结束
 7 - (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag {
 8     // 查看一下动画执行完毕后的position值
 9     NSString *string = NSStringFromCGPoint(_myView.layer.position);
10     NSLog(@"动画结束了，position:%@", string);
11 }

1 2013-04-14 23:44:26.197 CAAnimation[5995:c07] 动画开始了
2 2013-04-14 23:44:27.697 CAAnimation[5995:c07] 动画结束了，position:{100, 100}

1 CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"transform"];
2 anim.duration = 1;
3
4 CATransform3D form = CATransform3DMakeTranslation(350, 350, 0);
5 anim.toValue = [NSValue valueWithCATransform3D:form];
6
7 [_myView.layer addAnimation:anim forKey:nil];

1 CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"bounds"];
2 anim.duration = 2;
3
4 anim.toValue = [NSValue valueWithCGRect:CGRectMake(0, 0, 30, 30)];
5
6 [_myView.layer addAnimation:anim forKey:nil];

1 CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"transform"];
2 anim.duration = 1.5; // 动画持续1.5s
3
4 // CALayer的宽度从0.5倍变为2倍
5 // CALayer的高度从0.5倍变为1.5倍
6 anim.fromValue = [NSValue valueWithCATransform3D:CATransform3DMakeScale(0.5, 0.5, 1)];
7 anim.toValue  = [NSValue valueWithCATransform3D:CATransform3DMakeScale(2, 1.5, 1)];
8
9 [_myView.layer addAnimation:anim forKey:nil];

1 CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"transform"];
2 anim.duration = 1.5;
3
4 // 绕着(0, 0, 1)这个向量轴顺时针旋转45°
5 anim.toValue = [NSValue valueWithCATransform3D:CATransform3DMakeRotation(M_PI_4, 0, 0, 1)];
6
7 [_myView.layer addAnimation:anim forKey:nil];