如何从iPhone向Apple Watch label发送int (objective-c)

#import <WatchConnectivity/WatchConnectivity.h>

@interface ViewController () <WCSessionDelegate>
@property (nonatomic, strong) WCSession *session;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    if ([WCSession isSupported]) {
        self.session = [WCSession defaultSession];
        self.session.delegate = self;
        [self.session activateSession];
    }
}

#pragma mark - WCSessionDelegate

- (void)session:(WCSession *)session activationDidCompleteWithState:(WCSessionActivationState)activationState error:(NSError *)error {
    // Handle session activation completion
}

- (void)session:(WCSession *)session didReceiveMessage:(NSDictionary<NSString *,id> *)message {
    // Handle incoming messages
}

@end

- (void)sendIntToWatch:(int)value {
    if ([self.session isReachable]) {
        NSDictionary *message = @{@"intValue": @(value)};
        [self.session sendMessage:message replyHandler:^(NSDictionary<NSString *,id> * _Nonnull replyMessage) {
            // Handle reply from watch
        } errorHandler:^(NSError * _Nonnull error) {
            // Handle error
        }];
    }
}

#import <WatchConnectivity/WatchConnectivity.h>

@interface InterfaceController () <WCSessionDelegate>
@end

@implementation InterfaceController

- (void)awakeWithContext:(id)context {
    [super awakeWithContext:context];
    
    if ([WCSession isSupported]) {
        WCSession *session = [WCSession defaultSession];
        session.delegate = self;
        [session activateSession];
    }
}

#pragma mark - WCSessionDelegate

- (void)session:(WCSession *)session didReceiveMessage:(NSDictionary<NSString *,id> *)message {
    NSNumber *intValue = message[@"intValue"];
    if (intValue) {
        int value = [intValue intValue];
        // Handle the received integer value
    }
}

@end