阅读背景:

访问视图时,使用标签比使用变量更快?

来源:互联网 

which is faster ??

哪个更快?

@interface ViewController : UIViewController
{

UIView *myView;

}

@end

@implementation ViewController

 - (void)myInit(){

UIView *view = [[UIView alloc]init];

myView = view;

view.tag = 1;

}

- (void)viewDidLoad(){
[self myInit];

[self.view addSubview:myView];//accessing by variable

//OR

[self.view addSubView:[self.view viewWithTag:1];//accessing by tag

}

@end
@interface ViewCon



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