代码: AppDelegate.swift
func application(application:UIApplication!,
handleWatchKitExtensionRequest userInfo: [NSObject : AnyObject]!,
reply: (([NSObject : AnyObject]!) -> Void)!)
{
let entityDescription =
NSEntityDescription.entityForName("Quote",
inManagedObjectContext: managedObjectContext!)
let request = NSFetchRequest()
request.entity = entityDescription
let pred = NSPredicate(format: "(quoteDate = %@)", "2015-03-08")
request.predicate = pred
var error: NSError?
var objects = managedObjectContext?.executeFetchRequest(request,
error: &error)
if let results = objects {
if results.count > 0 {
arrQuotes = NSMutableArray()
for(var i=0;i<results.count;i++){
let match = results[i] as! NSManagedObject
var quote = match.valueForKey("quote") as! NSString
arrQuotes.addObject(quote)
}
var dict = ["test": arrQuotes]
reply(dict)
} else {
}
}catecontroller.swift
override func awakeWithContext(context: AnyObject?) {
super.awakeWithContext(context)
arrQuotes = NSMutableArray()
var dict = ["test" : arrQuotes]
if !WKInterfaceController.openParentApplication(dict, reply: { (reply,error) -> Void in
println("\(reply)") //your reply data as Dictionary
self.arrQuotes = dict["test"]!
println("\(self.arrQuotes.count)")
}) {
println("ERROR")
}我正在做一个示例watchkit project.What,我要做的是从iPhone端获取数据并将其发送给watchkit应用程序。我试图在watchkit端将值作为dictionary.but数组返回,我得到数组计数为零。我不知道我哪里出错了?任何帮助都会提前到appreciated.thanks
发布于 2015-03-03 17:01:12
我猜您的iOS应用程序功能有一些问题。我认为您的reply闭包很可能没有被调用。首先,我将尝试简化您的逻辑,以确保reply实际上是正确的。然后,您可以正确地传递数据。首先,我要简单地说明以下的逻辑:
catecontroller.swift
override func awakeWithContext(context: AnyObject?) {
super.awakeWithContext(context)
WKInterfaceController.openParentApplication(["dummy": "dictionary"]) { reply, error in
println("Reply: \(reply)")
println("Error: \(error)")
}
}AppDelegate.swift
func application(
application: UIApplication!,
handleWatchKitExtensionRequest userInfo: [NSObject : AnyObject]!,
reply: (([NSObject : AnyObject]!) -> Void)!)
{
// Worry about this logic later...
reply(["test": "value"])
}一旦这个简化版本正确地传递了数据,没有错误,那么您就可以添加数据传递逻辑。
https://stackoverflow.com/questions/28833265
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