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Questions tagged [watchos-3]

watchOS 3 is the third version of Apple's operating system for Apple Watch and is the successor to watchOS. It was announced at the company's Apple Worldwide Developers Conference (WWDC) on June 13, 2016, and will be released this fall. Use this tag only for questions related to watchOS 3.

The watchOS 3.1 is available.

The watchOS 3.1.1 Developer Beta 2 is available for testing to developers here.

Main features include:

  • Performance & Navigation
  • Watch Face
  • Activity Sharing
  • Wheelchair Use
  • Workout
  • Messages
  • new Breathe App
  • new Home app

More information is available on Apple's website.

206 questions
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Check function availability watchOS 3 Xcode 8 vs watchOS 2 in objective c

I have added some watchOS 3 features to an existing watchOS 2 as I have to support both WatchOS 2 and WatchOS 3 devices so I need to check the function availability before it gets called. for example in ExtensionDelegate I have this function which…
Samira
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Controller is not active in watchOS 3

I have a WKInterfaceController that has a group with a label and a WKInterfaceTable, each time -(void)willActivate is called I decide if to show the label or the table, sometimes (30%) I get a warningMessage saying: WatchKit: Controller is not…
Nachum
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watchOS - Complication shows previous entry

I'm creating a watchOS 3 complication that shows departure times from a public transit service. I've created a data model with an array that contains Train objects with a stationName (String) and departureTime (NSDate). I've implemented the…
Bram
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Is it possible to create an app to read the heart rate sensor of an Apple watch?

How to read heart rate directly from Apple watch sensor use a custom app (not indirect access via HealthKit)? All available documents suggests using HKWorkoutSession, but without any information as to how the sensor value can be retrieved. The…
codeheadache
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Launch a function of an iPhone app from my Apple Watch?

I have an app opened on my iPhone, I would like to know if there is a way to call remotely a function of this app from my apple-watch (watchOS 3) by simply tapping a button? The function concerned stores data from the accelerometer. I searched on…
Jeff 974
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How to run background process in watchOS?

I have made my first app for apple watch and faced with impossible to send data every 10 seconds to my backend . Application is frozen when display turns off and running again from scratch when display is on. I tryed to run workout session like in…
Ilya Egorov
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Launching the parent application from the watch app

How can I launch the parent application in background mode on the iPhone directly from the watch? On Endomondo watch app when you press "start", the parent application will launch itself in the background on the iPhone and start sending data (such…
Oskar Gusgård
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Read Heart Rate in Apple Watch Series 3 without creating an app on the Watch

Is it possible to read/sync the Heart Rate data from Apple watch series 3 without creating a watch app? I want my iPhone app to read data directly from the Apple Watch without having to create an app for the watch too.
Abdallah Alaraby
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Cannot build watchOS extension

I am adding WatchOS version to an already existing iOS App. I'm developing using Swift and using iCarousel, an Objective-C library, I added that manually by copying the .h and .m files in my project. Added .h file in my bridging header. The problem…
Ashik
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Using images in the main Xcode project for Watch app

I have a watch application and I will display images in it. Those images are already included in IOS application so I don't want to copy them into watch app as well. How to use images in IOS side (not in asset catalog) in watch app?
birdcage
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Interpreting crash at nopl

Using swift I have a reproducible crash that occurs when I try to run a function a second time on my watch app. Whenever the crash happens, Xcode gives me the EXC_BREAKPOINT as a nopl command in the HKHealthStore thread. From what I understand nopl…
sn8wman
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WKCrownSequencer not working after going back to main interface controller

I have a WKCrownSequencer that triggers an action in my pushed interface controller and the first time through everything works fine. When I go back to root interface controller regardless of the method (pop or reloadRootcontrollers) the digital…
Kodie Artner
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Any can not be used with dictionary literal

I was trying to use segue with context on WatchKit, and i ran into this issue: Contextual type '[Any]' cannot be used with dictionary literal Here is the code i was using: override func contextsForSegue(withIdentifier segueIdentifier: String) ->…
carl127773
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How to open App Store from a watchOS app?

Suppose I have a Pro version of the watchOS app, and I want to redirect user to the App Store on the iPhone. How to achieve this? I tried to use WatchConnectivity. In the iOS app I have the following code: func session(_ session: WCSession,…
kelin
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swift watch connectivity quits unexpectedly

I made a watchOS connectivity application and it works. Now I'm trying to make a dedicated classes for Connection at iPhone and Watch. For the iPhone connectivity class I have this (I also have other methods for transferring data but the problem is…
user8403747
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