NSNotification funktioniert nicht in ios 9.0 xcode 7.3.1

Question

// Post method 
NSDictionary *dict = [NSDictionary dictionaryWithObject:@"india" forKey:@"Country"]; 
[[NSNotificationCenter defaultCenter] postNotificationName:@"NOTIFICATION_1" object: dict userInfo:nil]; 


//reciever method 
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(receivedNotification:) name:@"NOTIFICATION_1" object:nil]; 
- (void)receivedNotification: (NSNotification*) notification 
{ 


     NSLog(@"deepak kumar =%@",notification); 

} 

Answer 1

Versuchen Sie dies, ich hoffe, es wäre hilfreich für Sie !!!

In viewcontroller.m Datei

#import "ViewController.h" 

@interface ViewController() 

@end 

@implementation ViewController 

- (void)viewDidLoad { 
    [super viewDidLoad]; 
    myData = [[NSMutableArray alloc]init]; 
    myData = [[NSMutableArray alloc]initWithObjects:@"india",@"Japan",@"pakistan",@"srilanka", nil]; 
    _mytableView.delegate = self; 
    _mytableView.dataSource = self; 
} 

- (void)didReceiveMemoryWarning { 
    [super didReceiveMemoryWarning]; 
    // Dispose of any resources that can be recreated. 
} 

-(void)viewWillAppear:(BOOL)animated 
{ 
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(receivedNotification:)name:@"NOTIFICATION" object:nil]; 
} 
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section 
{ 
    return myData.count; 
} 

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 
{ 
    static NSString *const identifier = @"Cell"; 

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier]; 

    cell.textLabel.text = [myData objectAtIndex:indexPath.row]; 

    return cell; 
} 

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath 
{ 
    NSDictionary * dict =[NSDictionary dictionaryWithObject:@"Ravi" forKey:@"name"]; 
    [[NSNotificationCenter defaultCenter] postNotificationName:@"NOTIFICATION" object:nil userInfo:dict]; 
} 


-(void) receivedNotification:(NSNotification*) notification { 
    NSLog(@"Notification Received "); 
} 

@end 

in viewcontroller.h Datei

#import <UIKit/UIKit.h> 

@interface ViewController : UIViewController<UITableViewDelegate,UITableViewDataSource> 
{ 

    NSMutableArray *myData; 
} 

@property (weak, nonatomic) IBOutlet UITableView *mytableView; 

@end