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通知的使用
Main.m
#import "Children.h"
#import "Nurse.h"
int main(int argc, const char * argv[])
{
@autoreleasepool {
Children *children = [[Children alloc] init];
Nurse *nurse = [[Nurse alloc] initWithChildren:children];
[[NSRunLoop currentRunLoop] run];
[children release];
[nurse release];
}
return 0;
}
Children.h
@interface Children : NSObject @property(nonatomic,assign)NSInteger happyValue; //欢乐值 @property(nonatomic,assign)NSInteger hungryValue; //饥饿值
Children.m
- (id)init {
self = [super init];
if (self) {
//开启定时器
[NSTimer scheduledTimerWithTimeInterval:1
target:self
selector:@selector(timeAction:)
userInfo:nil
repeats:YES];
_hungryValue = http://www.mamicode.com/100;>
Nurse.h@class Children;
@interface Nurse : NSObject {
Children *_children;
}
- (id)initWithChildren:(Children *)children;
Nurse.m#import "Children.h"
@implementation Nurse
- (id)initWithChildren:(Children *)children {
self = [super init];
if (self) {
_children = [children retain];
//接收通知，通知名：happlyValueNotification
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(happlyValueChange)
name:@"happlyValueNotification"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(hungryValueChange:) name:@"hungryValueNotification" object:nil];
}
return self;
}
- (void)happlyValueChange {
[self play];
}
- (void)hungryValueChange:(NSNotification *)notification {
[self feed];
}
- (void)play {
NSLog(@"保姆陪小孩玩耍");
_children.happyValue = http://www.mamicode.com/100;>
通知的使用
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