Autolinking task from example app fails, after adding codegen config to example app.

[jhotadhari]

Description

Hi,

Android only, I have no idea about iOS

I tried to add a TurboModule to the example app. This TurboModule is only needed for the example app, so I added it to the example app only, not to the library itself. Adding TurboModules and FabricViews to the library worked without problems

For this I added a codegenConfig entry to ./example/package.json, adjusted codegenConfig.name, codegenConfig.android.javaPackageName. And added a ./example/src/NativeExample.ts module. And tried to start the example app, so that codegen can generate some code and I can start to build the module in java/kotlin.

The app didn't start (expected because the java side module didn't implement the methods yet). But the error was with autolinking:
Full error:

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* Where:
Build file '/home/jhotadhari/Development/android/test/react-native-mapsforge-vtm-new-arch/example/android/app/build.gradle' line: 54

* What went wrong:
A problem occurred evaluating project ':app'.
> Project with path ':react-native-mapsforge-vtm' could not be found in project ':app'.

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.
==============================================================================

2: Task failed with an exception.
-----------
* What went wrong:
A problem occurred configuring project ':app'.
> compileSdkVersion is not specified. Please add it to build.gradle

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.
==============================================================================

BUILD FAILED in 11s
error Failed to install the app. Command failed with exit code 1: ./gradlew app:installDebug -PreactNativeDevServerPort=8081 FAILURE: Build completed with 2 failures. 1: Task failed with an exception.
-----------
* Where:
Build file '/home/jhotadhari/Development/android/test/react-native-mapsforge-vtm-new-arch/example/android/app/build.gradle' line: 54 * What went wrong:
A problem occurred evaluating project ':app'.
> Project with path ':react-native-mapsforge-vtm' could not be found in project ':app'. * Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.
============================================================================== 2: Task failed with an exception.
-----------
* What went wrong:
A problem occurred configuring project ':app'.
> compileSdkVersion is not specified. Please add it to build.gradle * Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.
============================================================================== BUILD FAILED in 11s.

Thats not the problem: The package name is react-native-mapsforge-vtm, and the directory is react-native-mapsforge-vtm-new-arch

That part is super weird:

* Where:
Build file '/home/jhotadhari/Development/android/test/react-native-mapsforge-vtm-new-arch/example/android/app/build.gradle' line: 54 * What went wrong:
A problem occurred evaluating project ':app'.
> Project with path ':react-native-mapsforge-vtm' could not be found in project ':app'.

build.gradle' line: 54 is:

autolinkLibrariesWithApp()

I went back in git history to a state were I know its stable. But the example app won't start anymore. Same error.

I tried to delete some generated code: rm yarn.lock; rm -rf node_modules/; rm -rf example/node_modules; rm -rf android/generated; rm -rf example/android/generated rm -rf example/android/.gradle; rm -rf android/.gradle; rm -rf example/android/.idea; yarn cache clean; yarn install

But still. the example app won't start, and the error is the same.

I navigated to another directory and cloned the project from git. But even there, I get the same error when I try to start the example app. This commit should work: https://github.com/jhotadhari/react-native-mapsforge-vtm-new-arch/tree/bd0cdca7cb43409ecba7922cb00b9b0de83ba498

I tried to install react-native-clean-project in the root and in the example. But it doesn't help.

It seems there is something cached outside of the repository, but I just can't find it.

I had the same issue some days ago. After installing https://www.npmjs.com/package/react-native-hardwarekey-event as a dependency for a library.
After searching hours for the source of the error, I started a new project and copied the files over.

• What kind of caches have to be deleted to start the example app again? from a state where I know it works.
• Is it actually possible to add TurboModules inside the example app, without adding them to the library itself? (I know that it works with legacy native modules)
• if yes, how?
• if not, how to prevent that the example app becomes impossible to start?

Packages

• create-react-native-library
• react-native-builder-bob

Selected options

  "create-react-native-library": {
    "languages": "kotlin-objc",
    "type": "fabric-view",
    "version": "0.49.8"
  },

Link to repro

https://github.com/jhotadhari/react-native-mapsforge-vtm-new-arch

Environment

System:
  OS: Linux 5.15 Ubuntu 22.04.5 LTS 22.04.5 LTS (Jammy Jellyfish)
  CPU: (8) x64 Intel(R) Core(TM) i7-8665U CPU @ 1.90GHz
  Memory: 6.97 GB / 15.28 GB
  Shell:
    version: 5.8.1
    path: /usr/bin/zsh
Binaries:
  Node:
    version: 22.14.0
    path: ~/.nvm/versions/node/v22.14.0/bin/node
  Yarn:
    version: 3.6.1
    path: ~/.nvm/versions/node/v22.14.0/bin/yarn
  npm:
    version: 10.9.2
    path: ~/.nvm/versions/node/v22.14.0/bin/npm
  Watchman:
    version: 20240414.112832.0
    path: /usr/local/bin/watchman
SDKs:
  Android SDK:
    API Levels:
      - "31"
      - "34"
      - "35"
    Build Tools:
      - 30.0.3
      - 34.0.0
      - 35.0.0
      - 36.0.0
    System Images:
      - android-34 | Google APIs Intel x86_64 Atom
      - android-VanillaIceCream | Google Play Intel x86_64 Atom
    Android NDK: Not Found
IDEs:
  Android Studio: AI-243.24978.46.2431.13208083
Languages:
  Java:
    version: 17.0.14
    path: /usr/bin/javac
  Ruby: Not Found
npmPackages:
  "@react-native-community/cli":
    installed: 15.0.1
    wanted: 15.0.1
  react:
    installed: 19.0.0
    wanted: 19.0.0
  react-native:
    installed: 0.78.2
    wanted: 0.78.2
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: false
  newArchEnabled: false
iOS:
  hermesEnabled: Not found
  newArchEnabled: Not found

[jhotadhari]

If I try to open the project with android-studio, I get this error:

1: Task failed with an exception.
-----------
* Where:
Build file '/home/jhotadhari/Development/android/test/react-native-mapsforge-vtm-new-arch/android/build.gradle' line: 22

* What went wrong:
A problem occurred evaluating root project 'android'.
> Plugin with id 'com.facebook.react' not found.

Same error, even if I checkout the very first commit

[jhotadhari]

I tried to reproduce the error with a new created library. https://github.com/jhotadhari/react-native-demonstrate-linking-error

But I can't reproduce the error?!

... Still I can't get it to work to have a TurboModule inside the example application. But that's another story. The issue described above, I can't reproduce

Maybe probably its not a bug in create-react-native-library, And therefore here is not the right place for this problem, but if someone could point me in a direction that I can manage to start the example app again, I would be really happy

[AliRezaBeigy]

@jhotadhari Open the example project in Android Studio, you will see the lib code there too.

[jhotadhari]

@jhotadhari Open the example project in Android Studio, you will see the lib code there too.

Hi, thanks for the suggestion. But I can't open it in android-studio as described above #825 (comment)