建立两个视图：
1.mainView，
2个按钮：实现视图的方法缩小功能
2.视图方法缩小的动画
2.SubView
包含4个视图；
4个视图在4个角
随着视图的大小变化而变化
复习次数：
6月3日
6月4日
源码实现：Main界面第二部分是View界面
#import "ViewController.h"
#import "View02.h"
@interfaceViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[superviewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
UIButton *btnLarge=[UIButtonbuttonWithType:UIButtonTypeRoundedRect];
btnLarge.frame=CGRectMake(50,50,80,40);
btnLarge.backgroundColor=[UIColoryellowColor];
[btnLargesetTitle:@"视图变大"forState:UIControlStateNormal];
[btnLargeaddTarget:selfaction:@selector(pressBig)forControlEvents:UIControlEventTouchUpInside];
[self.viewaddSubview:btnLarge];
UIButton *btnSmall=[UIButtonbuttonWithType:UIButtonTypeRoundedRect];
btnSmall.frame=CGRectMake(50,120,80,40);
btnSmall.backgroundColor=[UIColoryellowColor];
[btnSmallsetTitle:@"视图变大"forState:UIControlStateNormal];
[btnSmalladdTarget:selfaction:@selector(pressSmall)forControlEvents:UIControlEventTouchUpInside];
[self.viewaddSubview:btnSmall];
View02* vc02=[[View02alloc]initWithFrame:CGRectMake(50,220,100, 200)];
vc02.tag=101;
vc02.backgroundColor=[UIColoryellowColor];
[vc02createSubViews];
[self.viewaddSubview:vc02];
}
-(void)pressBig
{
UIView *vc=[[UIViewalloc]init];
vc=[self.viewviewWithTag:101];
[UIViewbeginAnimations:nilcontext:nil];
[UIViewsetAnimationDuration:1];
vc.frame=CGRectMake(50,220,200,400);
[UIViewcommitAnimations];
}
-(void)pressSmall
{
UIView *vc=[[UIViewalloc]init];
vc=[self.viewviewWithTag:101];
[UIViewbeginAnimations:nilcontext:nil];
[UIViewsetAnimationDuration:1];
vc.frame=CGRectMake(50,220,100,200);
[UIViewcommitAnimations];
}
#import"View02.h"
@implementation View02
-(void)createSubViews
{
_view01=[[UIViewalloc]init];
_view02=[[UIViewalloc]init];
_view03=[[UIViewalloc]init];
_view04=[[UIViewalloc]init];
_view01.backgroundColor=[UIColorredColor];
_view02.backgroundColor=[UIColorredColor];
_view03.backgroundColor=[UIColorredColor];
_view04.backgroundColor=[UIColorredColor];
_view01.frame=CGRectMake(0,0, self.bounds.size.width/8,self.bounds.size.height/8);
_view02.frame=CGRectMake(self.bounds.size.width/8*7,0, self.bounds.size.width/8,self.bounds.size.height/8);
_view03.frame=CGRectMake(0,self.bounds.size.height/8*7,self.bounds.size.width/8,self.bounds.size.height/8);
_view04.frame=CGRectMake(self.bounds.size.width/8*7,self.bounds.size.height/8*7,self.bounds.size.width/8,self.bounds.size.height/8);
[selfaddSubview:_view01];
[selfaddSubview:_view02];
[selfaddSubview:_view03];
[selfaddSubview:_view04];
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
// Drawing code
}
*/
-(void)layoutSubviews
{
[UIViewbeginAnimations:nilcontext:nil];
[UIViewsetAnimationDuration:2];
_view01.frame=CGRectMake(0,0, self.bounds.size.width/8,self.bounds.size.height/8);
_view02.frame=CGRectMake(self.bounds.size.width/8*7,0, self.bounds.size.width/8,self.bounds.size.height/8);
_view03.frame=CGRectMake(0,self.bounds.size.height/8*7,self.bounds.size.width/8,self.bounds.size.height/8);
_view04.frame=CGRectMake(self.bounds.size.width/8*7,self.bounds.size.height/8*7,self.bounds.size.width/8,self.bounds.size.height/8);
[UIViewcommitAnimations];
}
@end