- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 
  // Override point for customization after application launch. 
  if (IS_iOS_8) { 
    //获取当前UIUserNotificationType状态 
    UIUserNotificationType oType = application.currentUserNotificationSettings.types; 
    if (oType == UIUserNotificationTypeNone) { 
      NSLog(@"通知被禁止"); 
    }else{ 
      UIUserNotificationType type = UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound; 
      UIUserNotificationSettings* settings = [UIUserNotificationSettings settingsForTypes:type categories:nil]; 
       
      [application registerUserNotificationSettings:settings]; 
      [application registerForRemoteNotifications]; 
    } 
     
  }else{ 
    UIRemoteNotificationType type = UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound; 
    [application registerForRemoteNotificationTypes:type]; 
  } 
   
  return YES; 
}

- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken{ 
  //苹果服务器告诉我们的设备编号 
  NSLog(@"%@,%@",NSStringFromSelector(_cmd),deviceToken); 
   
} 
 
 
- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo{ 
  //我们公司服务器推送给我们的通知 
  NSLog(@"%@",userInfo); 
}