IOS视图控制器的生命周期实例详解

IOS视图控制器

所谓的生命周期，也就是几个函数的调用顺序，这里以用Storyboard来创建一个ViewController为例

然后我们测试如下代码

//

// ViewController.m

//

// Created by huangwenchen on 14/12/26.

//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (id)initWithCoder:(NSCoder *)aDecoder{

if (self = [super initWithCoder:aDecoder]) {

NSLog(@"initWithCoder Called");

}

return self;

}

- (void)viewDidLoad {

[super viewDidLoad];

NSLog(@"viewDidLoad Called");

// Do any additional setup after loading the view, typically from a nib.

}

- (void)viewWillAppear:(BOOL)animated{

[super viewWillAppear:animated];

NSLog(@"viewWillAppear Called");

}

-(void)viewDidAppear:(BOOL)animated{

[super viewDidAppear:animated];

NSLog(@"viewDidAppear Called");

}

-(void)awakeFromNib{

NSLog(@"awakeFromNib Called");

}

-(void)viewWillLayoutSubviews{

NSLog(@"viewWillLayoutSubviews Called");

}

-(void)viewDidLayoutSubviews{

NSLog(@"viewDidLayoutSubviews Called");

}

@end

然后，在模拟器上运行，输出为

IOS视图控制器的生命周期实例详解

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