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| - (void)viewDidLoad
{
[super viewDidLoad];
[self addViewToView:self.view];
NSLog(@"%@", [self.view recursiveDescription]);
NSLog(@"找到view: %@", [self.view viewWithTag:520]);
NSLog(@"-----------------------");
for (UIView *v in self.view.subviews) {
[v removeFromSuperview];
}
[self addViewToView2:self.view];
NSLog(@"%@", [self.view recursiveDescription]);
NSLog(@"找到view: %@", [self.view viewWithTag:520]);
NSLog(@"-----------------------");
for (UIView *v in self.view.subviews) {
[v removeFromSuperview];
}
[self addViewToView3:self.view];
NSLog(@"%@", [self.view recursiveDescription]);
NSLog(@"找到view: %@", [self.view viewWithTag:520]);
NSLog(@"-----------------------");
for (UIView *v in self.view.subviews) {
[v removeFromSuperview];
}
[self addViewToView4:self.view];
NSLog(@"%@", [self.view recursiveDescription]);
NSLog(@"找到view: %@", [self.view viewWithTag:520]);
}
/* 递归添加520的view*/
- (void)addViewToView:(UIView *)view {
static NSUInteger index = 0;
UIView *v = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
[v setTag:520];
[view addSubview:v];
index++;
if (index < 3)
[self addViewToView:v];
}
/* 递归，每层增加两个view，第一个view为520tag，第二个为其他view
往第一个view加子视图
*/
- (void)addViewToView2:(UIView *)view {
static NSUInteger index2 = 0;
UIView *v = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
[v setTag:520];
[view addSubview:v];
UIView *v2 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
[view addSubview:v2];
index2++;
if (index2 < 3)
[self addViewToView2:v];
}
/* 递归，每层增加两个view，第一个view为520tag，第二个为其他view
往第二个view加子视图
*/
- (void)addViewToView3:(UIView *)view {
static NSUInteger index3 = 0;
UIView *v = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
[v setTag:520];
[view addSubview:v];
UIView *v2 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
[view addSubview:v2];
index3++;
if (index3 < 3)
[self addViewToView3:v2];
}
/* 递归，每层增加两个view，第一个为其他view，第二个view为520tag，
往第一个view加子视图
*/
- (void)addViewToView4:(UIView *)view {
static NSUInteger index4 = 0;
UIView *v = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
[view addSubview:v];
UIView *v2 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
[v2 setTag:520];
[view addSubview:v2];
index4++;
if (index4 < 3)
[self addViewToView4:v];
}
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