Question

我有XCode 7，带有iOS 9.1的iPhone6，带有WatchOS 2.0的Apple Watch（现在我更新到2.0.1）

我尝试在Watch和iPhone之间进行通信。

在iPhone上我启动我的单身人士

- (instancetype)init {
    self = [super init];
    if (self.isConnectivityAvailable) {
        session = [WCSession defaultSession];
        session.delegate = self;
        [session activateSession];
    }
    return self;
}

- (BOOL)isConnectivityAvailable {
    if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"9.0")) {
        return [WCSession isSupported];
    } else {
        return NO;
    }
}

AppDelegate中的

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    //custom code
    (void)[AppConnectivityHandler instance]; //start App connectivity with Apple Watch
    return YES;
}

这一切都很好

我按照那样处理消息

- (void)session:(WCSession *)session didReceiveMessage:(NSDictionary<NSString *,id> *)message replyHandler:(void (^)(NSDictionary<NSString *,id> * _Nonnull))replyHandler {
    LOG(@"receive message");
    NSString *request = message[kRequestKey];
    __block NSDictionary *reply = @{};
    dispatch_sync(dispatch_get_main_queue(), ^{
        if ([request isEqualToString:kRequestDayInfo]) {
            //formirate reply dictionary
        }
    });
    LOG(@"send reply");
    replyHandler(reply);
}

在我的手表上我在主界面控制器中调用函数时开始加载

- (void)willActivate {
    [super willActivate];
    if ([WatchConnectivityHandler instance].isConnectivityAvailable) {
        [[WatchConnectivityHandler instance] loadDayInfoWithCompletion:^(NSError * _Nullable error, WatchDayInfo * _Nullable dayInfo) {
             //code
        }];
    } else {
        //error
    }
}

我的手表单身人士

+ (nonnull instancetype)instance {
    static WatchConnectivityHandler *instance;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        instance = [WatchConnectivityHandler new];
    });
    return instance;
}

- (instancetype)init {
    self = [super init];
    if (self.isConnectivityAvailable) {
        session = [WCSession defaultSession];
        session.delegate = self;
        [session activateSession];
    }
    return self;
}

- (BOOL)isConnectivityAvailable {
    return [WCSession isSupported];
}
- (void)loadDayInfoWithCompletion:(void(^ _Nonnull)( NSError * _Nullable error,  WatchDayInfo * _Nullable dayInfo))completion {
    [session sendMessage:@{kRequestKey : kRequestDayInfo} replyHandler:^(NSDictionary<NSString *,id> * _Nonnull replyMessage) {
        NSLog(@"reply");
        dispatch_sync(dispatch_get_main_queue(), ^{
            NSLog(@"%@", replyMessage);
            //custom code
            completion(nil, /*custom object*/);
        });
    } errorHandler:^(NSError * _Nonnull error) {
        NSLog(@"error");
        dispatch_sync(dispatch_get_main_queue(), ^{
            NSLog(@"%@", error);
            completion(error, nil);
        });
    }];
}

所以第一次工作正常，我得到回复。但后来我开始出现很多错误，比如

Error Domain=WCErrorDomain Code=7007 "WatchConnectivity session on paired device is not reachable." 


Error Domain=WCErrorDomain Code=7014 "Payload could not be delivered."

我在Watch上测试，从iPhone获得回复通常是个问题，等待很长时间。但是在我测试的iPhone上，当它从Watch获得消息时，它会非常快速地发送回复，但我没有在Watch上看到该回复。

每次观看启动我的应用时，我都需要更新我的信息。有什么问题？也许我使用的功能不正确？

Answer 1

使用transeruserinfo方法而不是sendmessage并使用didreceiveuserinfo方法而不是didreceiveapplicationcontext。

Apple Watch上的WCSession无法正常运行

1 个答案: