在可视化编程下

#import "BaseViewController.h"

@interface BaseViewController ()

@property (weak, nonatomic) IBOutlet UIImageView *imageView;

@end

@implementation BaseViewController

- (void)viewDidLoad {

[super viewDidLoad];

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

}

// 改变大小

- (IBAction)changeSizeAction:(UIButton *)sender {

// 开始设置动画

[UIView beginAnimations:@"size" context:nil];

// 动画时长

[UIView setAnimationDuration:2];

// 改变后的图片大小

self.imageView.frame = CGRectMake(50, 80, 200, 200);

// 提交动画,开始播放动画

[UIView commitAnimations];

}

// 改变透明度

- (IBAction)changeAlpha:(UIButton *)sender {

[UIView beginAnimations:@"alpha" context:nil];

[UIView setAnimationDuration:2];

self.imageView.alpha = 0.5;

// 改变背景颜色

self.imageView.backgroundColor = [UIColor cyanColor];

[UIView commitAnimations];

}

// 翻转

- (IBAction)overturnAction:(UIButton *)sender {

// 开始设置动画

[UIView beginAnimations:@"fanzhuan" context:nil];

// 动画时长

[UIView setAnimationDuration:2];

// 设置翻转

[UIView setAnimationTransition:UIViewAnimationTransitionCurlUp forView:self.imageView cache:YES];

// 提交动画,开始播放动画

[UIView commitAnimations];

}

// 旋转

- (IBAction)xuanzhuanAction:(UIButton *)sender {

// 开始设置动画

[UIView beginAnimations:@"xuanzhuan" context:nil];

// 动画时长

[UIView setAnimationDuration:2];

// 设置旋转角度

// 参数1:当前的transform  参数2:旋转弧度

CGAffineTransform transform = CGAffineTransformRotate(self.imageView.transform, M_PI_2);

// 设置旋转

[self.imageView setTransform:transform];

// 提交动画,开始播放动画

[UIView commitAnimations];

}

// 复原

- (IBAction)fuyuanAction:(UIButton *)sender {

// 开始设置动画

[UIView beginAnimations:@"xuanzhuan" context:nil];

// 动画时长

[UIView setAnimationDuration:2];

// 设置旋转角度(0度和180度不变,其它值相反)

// 参数1:当前的transform  参数2:旋转弧度

CGAffineTransform transform = CGAffineTransformInvert(self.imageView.transform);

// 设置旋转

[self.imageView setTransform:transform];

// 提交动画,开始播放动画

[UIView commitAnimations];

}

/*

#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

// Get the new view controller using [segue destinationViewController].

// Pass the selected object to the new view controller.

}

*/

@end