将数据传递给 Apple Watch 应用

问题描述

我正在尝试将数据从我的应用程序传递到我的 Apple Watch 应用程序.基本上，我使用的方法与创建今天的小部件时使用的方法相同，因此我通过 NSUserDefaults 传递数据.

I am trying to pass data from my app into my Apple Watch app. Basically, I am using the same method as I used for creating the today widget and so I am passing data through NSUserDefaults.

问题是，当我运行我的应用程序时，数据并没有像我期望的那样更新 Watch 应用程序中的标签.

The problem is, that when I run my app, the data does not update the labels in the Watch app as I would expect it to.

这是我所拥有的...

override init(context: AnyObject?) {
    // Initialize variables here.
    super.init(context: context)

    // Configure interface objects here.
    NSLog("%@ init", self)

    var defaults = NSUserDefaults(suiteName: "group.AffordIt")
    var totalBudgetCalculation = ""
    if (defaults!.stringForKey("totalBudgetWidget") != nil) {
            println("Worked")
        totalBudgetCalculation = defaults!.stringForKey("totalBudgetWidget")!
        initialBudgetLabel.setText("Initial: \(totalBudgetCalculation)")
    }

    var currentBudgetCalculation = ""
    if (defaults!.stringForKey("currentBudgetWidget") != nil) {
        currentBudgetCalculation = defaults!.stringForKey("currentBudgetWidget")!
        currentBudgetLabel.setText("Current: \(currentBudgetCalculation)")
    }
}

我尝试将这段代码放在 willActivate() 中，但这似乎没什么区别.

I tried putting this code in willActivate(), however that doesn't seem to make a difference.

有人知道我哪里出错了吗?

Anyone know where I am going wrong?

推荐答案

这仅适用于 OS 1.请参阅下文以获得更好的答案.

我用你的方法让它工作了.我想您可以检查以下几点:

I got it working using your method. I guess there's a couple of things you can check:

1) 您是否在设置值后同步默认值:

1) Are you synchronising the defaults after you set the value:

defaults?.synchronize();
NSLog("%@ ", defaults?.dictionaryRepresentation())

2) 您是否在应用和扩展程序中都启用了应用组?

2) Have you enabled the App Group in both your app and your extension?

3) 您在构建 NSDefaults 时是否使用了正确命名的应用程序组?例如，我使用:

3) Are you using the correctly named app group when constructing the NSDefaults? For example, I use:

NSUserDefaults(suiteName: "group.com.brindysoft.MyWatch");

所有设置完成后，我运行应用程序，将值设置为默认值，然后运行从默认值中读取值的 Glance 目标，这似乎有效！

Once all that's set up I run the app, set the value in the defaults, then run the glance target which reads the value from the default and that seems to work!

1. 还卡住了吗?检查您的苹果帐户中的应用程序组

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