IOS学习笔记（三）UIView animation

00 http://www.cnblogs.com/worldtraveler/archive/2012/09/17/2689311.html

phone中动画的实现主要分为两种，UIView动画 和Core Animation动画

UIView动画主要可以实现的效果包括：

1.frame,bounds,center//改变View的frame属性

 1 -(void)doChangeFrame
 2 {
 3 //{
 4 //    [UIView beginAnimations:nil context:nil];
 5 //    [UIView setAnimationDuration:2];
 6 //    [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
 7 //    [UIView setAnimationDelegate:self];
 8 //    [UIView setAnimationDidStopSelector:@selector(stopDelegate)];
 9 //    smallImage.frame = CGRectMake(150, 80, 30, 30);
10 //    
11 //    //smallImage.alpha = 0;
12 //    [UIView commitAnimations];
13     
14     [UIView animateWithDuration:2.0 animations:^(void){smallImage.frame = CGRectMake(150, 80, 30, 30);} completion:^(BOOL finished) {
15         smallImage.alpha = 0;
16     }];
17 //块语句定义及使用方法
18    /*int (^myBlock )(int num) = ^(int num)
19     {
20         return num*2;
21     };
22     NSLog(@"%d",myBlock(7));*/
23 }

 

2.alpha //改变透明度

3.backgroundColor //改变背景颜色

4.contentStretch //拉伸变化

5.transform //仿射变换，其中又包括Rotate，Invert，Translate，Scale（旋转，反转，位移，缩放）

1 -(void)doRotate//旋转
2 {
3     CGAffineTransform transform=         CGAffineTransformMakeRotation(M_PI/4);
4     
5     [UIView beginAnimations:nil context:nil];
6     bigImage.transform = transform;
7     [UIView commitAnimations];
8 }

 1 -(void)doInvert//反转
 2 {
 3     BOOL isSingle = seg.selectedSegmentIndex;
 4     //如果单次 直接翻转到原始状态 如果连续 在以前基础上再次进行反转
 5     
 6     CGAffineTransform transform = isSingle?CGAffineTransformInvert(bigImage.transform):CGAffineTransformIdentity;
 7     
 8     [UIView beginAnimations:nil context:nil];
 9     bigImage.transform = transform;
10     [UIView commitAnimations];
11 }

 1 -(void)doTranslate//位移
 2 {
 3     BOOL isSingle = seg.selectedSegmentIndex;
 4     //如果单次 只改变一次 如果连续 在以前基础上再次进行移位
 5     CGAffineTransform transform = isSingle?CGAffineTransformMakeTranslation(10, 10):CGAffineTransformTranslate(bigImage.transform, 10, 10);
 6     
 7 //    [UIView beginAnimations:nil context:nil];
 8 //    bigImage.transform = transform;
 9 //    [UIView commitAnimations];
10     [UIView animateWithDuration:1 animations:^{
11       bigImage.transform = transform;
12     }];
13 }

 1 -(void)doScale//缩放
 2 {
 3     BOOL isSingle = seg.selectedSegmentIndex;
 4     //如果单次 只改变一次 如果连续 在以前基础上再次进行缩放
 5     CGAffineTransform transform = isSingle?CGAffineTransformMakeScale(1.0, 1.1):CGAffineTransformScale(bigImage.transform, 1.0, 1.1);
 6     
 7     [UIView beginAnimations:nil context:nil];
 8     bigImage.transform = transform;
 9     [UIView commitAnimations];
10 
11 }