WatchKit 应用程序无法编译：“错误：WatchKit 扩展不包含任何 WatchKit 应用程序”

Question

There are several posts on this issue but none of the proposed solutions work in my case. I am trying to integrate the WatchKit into a simple, sample app (I've tried a couple now) by following the instructions provided by Apple. When I compile I get the following error message:

"error: WatchKit Extension doesn't contain any WatchKit apps. Verify that the value of WKWatchKitApp in your WatchKit App's Info.plist is set to YES."

I have successfully compiled and run the Apple Watch "Catalog" example so I know things are working from an iPhone to Watch perspective. It seems like something is not right when I try to integrate with an existing app. I have seen the posts here on this topic (eg WatchKit app wont run on simulator ) but none of the fixes work in my case; the bundle IDs all appear to be correct. Note I am trying to compile and run on an iPhone 6 not on the simulator. Any suggestions?

Answer 1

This error occurred for me when I changed the bundle id of my main iOS App. This is what I did in the project explorer

1. Under WatchApp --> plist

   WKCompanionAppBundleIdentifier ==> Give the id of the iOS App (com.xxxx.appname)

2. Under WatchApp Extension --> plist NSExtension-->NSExtensionAttributes-->WKAppBundleIdentifier ==> Give the id of your watchkit app (eg: com.xxxx.appname.watchkitapp)

this fixed the error for me.

Answer 2

I ran into this problem on XCode Version 10.2 (10E125) , i realizes when i changed WatchkitApp Bundle identifier one key in watchkitapp extension did not changed and stayed as old bundle identifier.

the path to plist: /Users/.../YourXcodeProjectFolder/Project/YourWatchkitExtensionFolder/info.plist

the problem occurd here:

<key>NSExtension</key>
<dict>
    <key>NSExtensionAttributes</key>
    <dict>
        <key>WKAppBundleIdentifier</key>
        <string>com.applecode.water.watchkit</string>
    </dict>
    <key>NSExtensionPointIdentifier</key>
    <string>com.apple.watchkit</string>
</dict>

the key WKAppBundleIdentifier was made the problem, so i changed it by my self.

Answer 3

I noticed this on Xcode version 8.2.1. Here is how I fixed it.

Go to "WatchKit App" -> Build Settings -> Packaging -> Product Name

Change it so any string different from current string. Agreed that it is a bizarre solution as called in the link below.

Source: https://blogofpuneet.wordpress.com/2015/05/02/xcode-build-error-watchkit-extension-doesnt-contain-any-watchkit-apps-verify-that-the-value-of-wkwatchkitapp-in-your-watchkit-apps-info-plist-is-set-to-yes/

Answer 4

Main reasons to this error,

1 Incorrect watch app bundle id in watchkit extension plist file.

2. Missing dependancy of watchapp.app in watchkit extension target.

Apple document with catalag example may help https://developer.apple.com/library/ios/technotes/tn2410/_index.html

Answer 5

Below settings worked for me

• In Main App Info.plist

Bundle identifier:com.domain.WatchKit-table

• In Watchkit App Info.plist

WKCompanionAppBundleIdentifier:com.domain.WatchKit-table

Bundle identifier:com.domain.WatchKit-table. watchkitapp

• WatchKit Extension Info.plist

NSExtension>NSExtensionAttributes>WKAppBundleIdentifier: com.domain.WatchKit-table.watchkitapp

Bundle identifier:com.domain.WatchKit-table. watchkitapp.watchkitextension

Note: my bundle id has * as the third component. WatchKit-table is my project name

Answer 6

I noticed this with xcode 10.0 after changing the build number.

Cleaning the build folder, closing xcode, and re-opening worked for me.

Answer 7

In my case I had problem with building of the extension library. In fact it was not built and I had two errors: 1. From linker about absense of the extension library. 2. From Xcode about "missing" NSExtensionPointIdentifier key.

Fix of linking error also fixed this message.

Answer 8

I'm using Xamarin and Visual Studio (on the PC). I had this issue, but none of the fixes above worked. Much like the XCode fix, however, restarting Visual Studio turned out to be the answer. /sigh