#import "ViewController.h"
@interface ViewController ()
//類變量的聲明
@end
// 類屬性聲明
// 類方法和聲明
@implementation ViewController
- (void)viewDidLoad {
? ? [super viewDidLoad];
? ? // Do any additional setup after loading the view, typically from a nib.
}
- (void)didReceiveMemoryWarning {
? ? [super didReceiveMemoryWarning];
? ? // Dispose of any resources that can be recreated.
}
@end
在這里兩種方法實現(xiàn)UIViewController類的基類中定義
初始視圖加載后調(diào)用viewDidLoad中的安裝程序
在內(nèi)存警告的情況下調(diào)用didReceviveMemoryWarning
