How to send data from iphone to watchkit in swift

Question

I am doing a sample project in which i like to send data from iphone to WatchKit. I have no idea of how to do this. Any help will be appreciated. Thanks in advance

Dejan Skledar · Accepted Answer · 2015-04-08 16:03:49Z

5

Add this method in the AppDelegate:

func application(application: UIApplication!,
handleWatchKitExtensionRequest userInfo: [NSObject : AnyObject]!,
   reply: (([NSObject : AnyObject]!) -> Void)!)
{
   //define your dictionary
   reply(yourDict)
}

Add this anywhere in the Apple Watch Extension:

var dict = ["test" : 4] //your dictionary/request to sent to the iPhone
if !WKInterfaceController.openParentApplication(dict, reply: { (reply,error) -> Void in
    println("\(reply)") //your reply data as Dictionary
}) {
    println("ERROR")
}

The first function will trigger with WKInterfaceController.openParentApplication and will reply the dictionary in the reply parameter.

Developer forum: https://devforums.apple.com/message/1082689#1082689

edited Apr 8, 2015 at 16:03

answered Feb 27, 2015 at 11:10

Dejan Skledar

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3 Comments

user3823935 Over a year ago

what i trying to do is i am getting data from server, store it in coredata in phoneside then fetch from coredata and send it watchkit.can i done this with above code?

rfog Over a year ago

AFAIK, this to send data from Watch to iPhone, not from iPhone to Watch

Dejan Skledar Over a year ago

This sends data bothways, just put your data in the reply Dictionary

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