IOS第12天(3,UIViewController的生命周期)

 

#import "HMViewController.h"

@interface HMViewController ()

@property(nonatomic,strong)NSArray *flags;
@end

@implementation HMViewController
- (void)viewDidLoad
{
    [super viewDidLoad];
    NSLog(@"%s 加载完毕",__FUNCTION__);
    // Do any additional setup after loading the view, typically from a nib.
}

//view即将显示
-(void)viewWillAppear:(BOOL)animated{
    NSLog(@"%s 即将显示",__FUNCTION__);
}

//view完成显示
-(void)viewDidAppear:(BOOL)animated{
    NSLog(@"%s  完成显示",__FUNCTION__);
}

//view即将消失
-(void)viewWillDisappear:(BOOL)animated{
    NSLog(@"%s 即将消失",__FUNCTION__);
}

//view真的消失
-(void)viewDidDisappear:(BOOL)animated{
    NSLog(@"%s 真的消失",__FUNCTION__);
}

//view的将卸载
-(void)viewWillUnload{
    NSLog(@"%s view的将卸载",__FUNCTION__);
    
}

//view的卸载完成
-(void)viewDidUnload{
    
#warning view被卸载时候，会清空数据
    NSLog(@"%s view的卸载完成",__FUNCTION__);
    self.flags = nil;
}

- (void)didReceiveMemoryWarning
{
    
     NSLog(@"%s",__FUNCTION__);
    [super didReceiveMemoryWarning];
    
}

@end