# watchOS

**URL:** https://forums.kodeco.com/c/general/watchos/18.md

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## [About the watchOS category](https://forums.kodeco.com/t/about-the-watchos-category/33)

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**Author:** [@rwenderlich](https://forums.kodeco.com/u/rwenderlich)\
**Replies:** 0

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This category is for discussion on watchOS development.

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## [Create a messaging interface](https://forums.kodeco.com/t/create-a-messaging-interface/30697)

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**Author:** [@adr713](https://forums.kodeco.com/u/adr713)\
**Replies:** 2\
**Last updated:** [October 17, 2024, 11:45am UTC](https://forums.kodeco.com/t/create-a-messaging-interface/30697 "2024-10-17T11:45:44Z")

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Hi, I’m trying to create a messaging app for watchOS that pulls firebase messages. That being said, I want to create a messaging interface similar to the messaging app that is included on the watch natively. I know I ca…

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## [Is there any way to impliemnt the BACKGROUND notification on the watch extension?](https://forums.kodeco.com/t/is-there-any-way-to-impliemnt-the-background-notification-on-the-watch-extension/185592)

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**Author:** [@ys\_xs](https://forums.kodeco.com/u/ys_xs)\
**Replies:** 0\
**Last updated:** [March 27, 2023, 4:15pm UTC](https://forums.kodeco.com/t/is-there-any-way-to-impliemnt-the-background-notification-on-the-watch-extension/185592 "2023-03-27T16:15:10Z")

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Hello guys, I just watch the apple watch complication course, about the notification part I had a few questions. (I was following this lesson: Push Notifications by Tutorials, Chapter 14: watchOS | Kodeco ) is there any…

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## [How to handle/transfer complex data on watchOS/ios](https://forums.kodeco.com/t/how-to-handle-transfer-complex-data-on-watchos-ios/58242)

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**Author:** [@markusstaas](https://forums.kodeco.com/u/markusstaas)\
**Replies:** 7\
**Last updated:** [August 12, 2022, 5:16am UTC](https://forums.kodeco.com/t/how-to-handle-transfer-complex-data-on-watchos-ios/58242 "2022-08-12T05:16:54Z")

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Hi there, so I am working on a workout app that needs to run as standalone app on watch as well as companion app if the iPhone is around. I am logging data every time CLLocationManager updates. The date includes: HeartR…

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## [Watch OS 6 HRV data reading](https://forums.kodeco.com/t/watch-os-6-hrv-data-reading/92202)

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**Author:** [@vladpre92](https://forums.kodeco.com/u/vladpre92)\
**Replies:** 2\
**Last updated:** [January 13, 2020, 10:38pm UTC](https://forums.kodeco.com/t/watch-os-6-hrv-data-reading/92202 "2020-01-13T22:38:33Z")

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Hi there! I’m developing an iOS app with watchOS 6 companion app, that require HRV (Heart Rate Variability) and RR intervals readings from Apple Watch sensor. I’ve tried for days to programatically trigger a HRV reading…

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## [Can't install swiftui app to apple watch](https://forums.kodeco.com/t/cant-install-swiftui-app-to-apple-watch/93696)

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**Author:** [@monica](https://forums.kodeco.com/u/monica)\
**Replies:** 4\
**Last updated:** [January 9, 2020, 5:09pm UTC](https://forums.kodeco.com/t/cant-install-swiftui-app-to-apple-watch/93696 "2020-01-09T17:09:41Z")

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Hi, I created a new standalone, SwiftUI watch app. I tried to run the “Hello World” sample code provided by the template on my watch. However, I get the following error: The executable was signed with invalid entitl…

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## [Authorization prompt for location (GPS) and heartrate functionality](https://forums.kodeco.com/t/authorization-prompt-for-location-gps-and-heartrate-functionality/84806)

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**Author:** [@uniqueyung91](https://forums.kodeco.com/u/uniqueyung91)\
**Replies:** 1\
**Last updated:** [November 14, 2019, 2:53pm UTC](https://forums.kodeco.com/t/authorization-prompt-for-location-gps-and-heartrate-functionality/84806 "2019-11-14T14:53:32Z")

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Hello community, can anyone test this code why there is a delay with the authorization prompt for both the localization functionality (GPS) and heartrate functionality (healthkit)? The code seems appropriate and my inte…

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## [Retrieve the current location information of the user from watch](https://forums.kodeco.com/t/retrieve-the-current-location-information-of-the-user-from-watch/84438)

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**Author:** [@uniqueyung91](https://forums.kodeco.com/u/uniqueyung91)\
**Replies:** 1\
**Last updated:** [November 14, 2019, 11:25am UTC](https://forums.kodeco.com/t/retrieve-the-current-location-information-of-the-user-from-watch/84438 "2019-11-14T11:25:34Z")

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Hello community the watch has the GPS capability to track the locations now, right? You do not need to track the location from the phone isn’t it? I want to get a prompt to grant permission to retrieve the location da…

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## [Making separate classes and use them in the InterfaceController class (WatchOS development)](https://forums.kodeco.com/t/making-separate-classes-and-use-them-in-the-interfacecontroller-class-watchos-development/83980)

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**Author:** [@uniqueyung91](https://forums.kodeco.com/u/uniqueyung91)\
**Replies:** 1\
**Last updated:** [November 14, 2019, 9:48am UTC](https://forums.kodeco.com/t/making-separate-classes-and-use-them-in-the-interfacecontroller-class-watchos-development/83980 "2019-11-14T09:48:23Z")

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I have tried to make a separate class for the location functionality (separate swift file in the Watchkit Exension folder) and I want to use the location instance of that class in the InterfaceController class to track t…

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## [Watch OS project files (separate classes which deal with different purposes)](https://forums.kodeco.com/t/watch-os-project-files-separate-classes-which-deal-with-different-purposes/83860)

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**Author:** [@uniqueyung91](https://forums.kodeco.com/u/uniqueyung91)\
**Replies:** 1\
**Last updated:** [November 14, 2019, 9:20am UTC](https://forums.kodeco.com/t/watch-os-project-files-separate-classes-which-deal-with-different-purposes/83860 "2019-11-14T09:20:40Z")

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Hello community I have a question regarding watch OS development. I am still a great beginner in this field. Is there anywhere where you can take a look at how the different swift files (objects) can call the members o…

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## [WKInterfaceImage control refreshing](https://forums.kodeco.com/t/wkinterfaceimage-control-refreshing/78790)

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**Author:** [@oleg.dr](https://forums.kodeco.com/u/oleg.dr)\
**Replies:** 4\
**Last updated:** [September 7, 2019, 11:15am UTC](https://forums.kodeco.com/t/wkinterfaceimage-control-refreshing/78790 "2019-09-07T11:15:26Z")

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Hello, I update WKInterfaceImage control very often (2-3 times per second) using the setImageData function. The main thread refreshes the image 1 time per 4 seconds or more. Seems it not drops update requests which it c…

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## [Sending recorded audio file to server by using Alamofire 5 beta newest Version](https://forums.kodeco.com/t/sending-recorded-audio-file-to-server-by-using-alamofire-5-beta-newest-version/79754)

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**Author:** [@uniqueyung91](https://forums.kodeco.com/u/uniqueyung91)\
**Replies:** 2\
**Last updated:** [September 6, 2019, 2:17am UTC](https://forums.kodeco.com/t/sending-recorded-audio-file-to-server-by-using-alamofire-5-beta-newest-version/79754 "2019-09-06T02:17:20Z")

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my intention is it to have an watch application that can record audio files and send the recorded audio files to the server. In order to communicate with the server, I am using the newest version of Alamofire. I got the …

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## [Machine Learning - Chapter 13 - Migrate to Apple Watch?](https://forums.kodeco.com/t/machine-learning-chapter-13-migrate-to-apple-watch/75598)

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**Author:** [@timco62](https://forums.kodeco.com/u/timco62)\
**Replies:** 4\
**Last updated:** [August 26, 2019, 5:50pm UTC](https://forums.kodeco.com/t/machine-learning-chapter-13-migrate-to-apple-watch/75598 "2019-08-26T17:50:11Z")

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I have been working on migrating the “GestureIt” program from iPhone to iWatch for the motion an ML sequencing, though I get the following runtime error: " WatchKit App Extension\[8136:679751\] \[espresso\] \[Espresso::handl…

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## [Missing Inferface.plist (watchOS 4 Tutorial rooted app)](https://forums.kodeco.com/t/missing-inferface-plist-watchos-4-tutorial-rooted-app/62770)

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**Author:** [@bhamjack](https://forums.kodeco.com/u/bhamjack)\
**Replies:** 3\
**Last updated:** [March 4, 2019, 2:42am UTC](https://forums.kodeco.com/t/missing-inferface-plist-watchos-4-tutorial-rooted-app/62770 "2019-03-04T02:42:57Z")

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Build is successful, IOS XS simulator starts, Watch simulator starts and processes for several seconds then crash from app delegate applicationdidFinishLaunching. ?? had been working for many days before this suddenly ha…

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## [Watch OS4 LTE connection](https://forums.kodeco.com/t/watch-os4-lte-connection/35475)

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**Author:** [@nan2131](https://forums.kodeco.com/u/nan2131)\
**Replies:** 0\
**Last updated:** [October 11, 2017, 7:33pm UTC](https://forums.kodeco.com/t/watch-os4-lte-connection/35475 "2017-10-11T19:33:14Z")

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Hi I am working on one of application for Apple Watch in objective c since their is new update for Watch OS4 . I am trying to implement When their is LTE connection apple should work either way data should transfer switc…

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## [How to create animation like music watch app?](https://forums.kodeco.com/t/how-to-create-animation-like-music-watch-app/36762)

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**Author:** [@simform](https://forums.kodeco.com/u/simform)\
**Replies:** 0\
**Last updated:** [November 21, 2017, 11:22am UTC](https://forums.kodeco.com/t/how-to-create-animation-like-music-watch-app/36762 "2017-11-21T11:22:42Z")

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I am facing an issue in creating UI like music watch app. I posted a question in StackOverflow. But not getting any proper solutions. I posted a video on StackOverflow. https://stackoverflow.com/q/47410224/4128762 Ple…

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## [Moving WatchKit to new project](https://forums.kodeco.com/t/moving-watchkit-to-new-project/38267)

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**Author:** [@omnisurfer](https://forums.kodeco.com/u/omnisurfer)\
**Replies:** 1\
**Last updated:** [January 9, 2018, 1:35am UTC](https://forums.kodeco.com/t/moving-watchkit-to-new-project/38267 "2018-01-09T01:35:00Z")

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I have an existing WatchKit app that I would like to move to a new project. All the tutorials show how to create a WatchKit app from scratch. Is it possible and is there any information on how to move a WatchKit app to…

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## [Help with Battery Life of paired device (Counterpart)](https://forums.kodeco.com/t/help-with-battery-life-of-paired-device-counterpart/37673)

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**Author:** [@samighi](https://forums.kodeco.com/u/samighi)\
**Replies:** 0\
**Last updated:** [December 17, 2017, 12:25pm UTC](https://forums.kodeco.com/t/help-with-battery-life-of-paired-device-counterpart/37673 "2017-12-17T12:25:25Z")

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I was having trouble with my iPhone charging, so I wanted to see the battery life on my watch. Similar to the app that is already out. It seemed easy at first, but with Swift (new to me, but I have done a few months wor…

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## [Xcode9 migrate project from swift3 to swift4](https://forums.kodeco.com/t/xcode9-migrate-project-from-swift3-to-swift4/34640)

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**Author:** [@haowu](https://forums.kodeco.com/u/haowu)\
**Replies:** 3\
**Last updated:** [October 21, 2017, 10:20am UTC](https://forums.kodeco.com/t/xcode9-migrate-project-from-swift3-to-swift4/34640 "2017-10-21T10:20:59Z")

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Hi，I get some errors when I migrate the app “Groundhog”(WatchOS by Tutorials, Chapter 23, HealKit) from swift 3 to swift 4. After I migrate the code to swift 4, when I build this project, Xcode 9 reports these errors in…

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## [Unable to get INSendPaymentIntent work with SiriKit on watchOS (3.2 and 4)](https://forums.kodeco.com/t/unable-to-get-insendpaymentintent-work-with-sirikit-on-watchos-3-2-and-4/32129)

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**Author:** [@polepeddi](https://forums.kodeco.com/u/polepeddi)\
**Replies:** 2\
**Last updated:** [July 24, 2017, 5:52pm UTC](https://forums.kodeco.com/t/unable-to-get-insendpaymentintent-work-with-sirikit-on-watchos-3-2-and-4/32129 "2017-07-24T17:52:49Z")

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I finished SiriKit Payment Intent app. Now I am working on watchOS sirikit payment app (as a companion app for the iPhone app obviously). The same framework, logic for intent and handler are working on iOS. But I have p…

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## [Creating Graphs in watchOS](https://forums.kodeco.com/t/creating-graphs-in-watchos/26169)

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**Author:** [@imquick](https://forums.kodeco.com/u/imquick)\
**Replies:** 2\
**Last updated:** [February 15, 2017, 6:45am UTC](https://forums.kodeco.com/t/creating-graphs-in-watchos/26169 "2017-02-15T06:45:24Z")

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I’m looking for information (or capabilities) of creating different types of graphs on the watchOS. I’ve downloaded the latest watchos tutorial and chapter 9 has some code for basically a line, but i cant seem to find a…

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## [WatchOS Background Refresh API](https://forums.kodeco.com/t/watchos-background-refresh-api/24991)

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**Author:** [@chrisv](https://forums.kodeco.com/u/chrisv)\
**Replies:** 0\
**Last updated:** [January 9, 2017, 3:32pm UTC](https://forums.kodeco.com/t/watchos-background-refresh-api/24991 "2017-01-09T15:32:35Z")

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I have been struggling for weeks to make the new WatchOS Background Refresh API work within my application. I have reviewed the Watch OS video courses and the WatchOS Tutorials to no avail. I have also made a thorough …

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## [Open parent app from watch app](https://forums.kodeco.com/t/open-parent-app-from-watch-app/22327)

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**Author:** [@remitelenczak](https://forums.kodeco.com/u/remitelenczak)\
**Replies:** 0\
**Last updated:** [November 7, 2016, 1:40pm UTC](https://forums.kodeco.com/t/open-parent-app-from-watch-app/22327 "2016-11-07T13:40:54Z")

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Hello, someone know how to open ios app from watch app ? With watch os 3 ? I try NSUserActivity but it does’nt work :confused: thanks

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## [Heart Rate without user authorization](https://forums.kodeco.com/t/heart-rate-without-user-authorization/15361)

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**Author:** [@bibidi](https://forums.kodeco.com/u/bibidi)\
**Replies:** 1\
**Last updated:** [June 1, 2016, 5:57am UTC](https://forums.kodeco.com/t/heart-rate-without-user-authorization/15361 "2016-06-01T05:57:34Z")

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Hello! Is there any way to stream heart rate on apple watch without healthkit?

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## [Watch Connectivity - how to handle existing todo app?](https://forums.kodeco.com/t/watch-connectivity-how-to-handle-existing-todo-app/11757)

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**Author:** [@destroplayer](https://forums.kodeco.com/u/destroplayer)\
**Replies:** 0\
**Last updated:** [April 1, 2016, 4:42pm UTC](https://forums.kodeco.com/t/watch-connectivity-how-to-handle-existing-todo-app/11757 "2016-04-01T16:42:58Z")

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Hi, it’s first topic in watchOS forum! :smiley: I should be rewarded :wink: Back to the question. I have existing todo app on my iPhone. Now I want to create watchOS 2 app to extend it. I want to allow user to check or…
