GradlePluginKotlinEnabled (deprecated) and cordova-plugin-firebasex (Task :app:compileDebugKotlin FAILED)

[TheNotorius0]

Describe the bug
In order to use admob-plus-cordova, you need to set Kotlin in the config.xml: <preference name="GradlePluginKotlinEnabled" value="true" />. It seems deprecated though:

Warning: The 'kotlin-android-extensions' Gradle plugin is deprecated. Please use this migration guide (https://goo.gle/kotlin-android-extensions-deprecation) to start working with View Binding (https://developer.android.com/topic/libraries/view-binding) and the 'kot
lin-parcelize' plugin.

Now, since it's a warning, we could ignore it, admob on itself work great and it's awesome. But if you are also using cordova-plugin-firebasex and try to compile (cordova build android) things get messy:

Task :app:compileDebugKotlin FAILED
e: C:/Users/sevan/.gradle/caches/transforms-3/1ee3f7841abe9979797edc39b62bd26a/transformed/jetified-firebase-auth-22.2.0-api.jar!/META-INF/java.com.google.android.gmscore.integ.client.firebase-auth-api_firebase-auth-api.kotlin_module: Module was compiled with an inc
ompatible version of Kotlin. The binary version of its metadata is 1.9.0, expected version is 1.7.1.
e: C:/Users/sevan/.gradle/caches/transforms-3/dade25bead44bca314189166709326d8/transformed/jetified-play-services-measurement-api-21.5.0-api.jar!/META-INF/java.com.google.android.gmscore.integ.client.measurement_api_measurement_api.kotlin_module: Module was compiled
 with an incompatible version of Kotlin. The binary version of its metadata is 1.9.0, expected version is 1.7.1.


FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:compileDebugKotlin'.
> A failure occurred while executing org.jetbrains.kotlin.compilerRunner.GradleCompilerRunnerWithWorkers$GradleKotlinCompilerWorkAction

To Reproduce
cordova plugin add admob-plus-cordova
cordova plugin cordova-plugin-firebasex
cordova build android
Task :app:compileDebugKotlin FAILED

Expected behavior
Both plugins should work without failing to compile. I guess that since "GradlePluginKotlinEnabled" is deprecated, it's admob-plus that should fix this issue, but I'm not a Kotlin expert.

Additional context
The Task :app:compileDebugKotlin FAILED only started to happen after cordova-plugin-firebasex@16.2.0 (I'm still using cordova-plugin-firebasex@16.1.0 and it compiles).

[TheNotorius0]

Update:

I have been able to make admob-plus cordova and cordova-plugin-firebasex work together with the following changes:

<preference name="GradlePluginKotlinVersion" value="1.9.0" /> in config.xml
Deleted the row apply plugin: 'kotlin-android-extensions' in app/build.gradle (line 24).

Keep in mind that, with Kotlin 1.9, it gives me the following warnings now:

> Task :app:compileDebugKotlin
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/cordova/AdMob.kt:102:23 'enableSameAppKey(Boolean): Unit' is deprecated. Deprecated in Java
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/cordova/ads/Banner.kt:33:40 'SMART_BANNER: AdSize' is deprecated. Deprecated in Java
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/cordova/ads/Banner.kt:34:17 'when' is exhaustive so 'else' is redundant here
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/cordova/ads/Banner.kt:296:9 Visibility modifiers are redundant in getter
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/cordova/ads/Banner.kt:309:44 'SMART_BANNER: AdSize' is deprecated. Deprecated in Java
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/cordova/ads/Banner.kt:310:21 'when' is exhaustive so 'else' is redundant here
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/core/util.kt:25:34 Type mismatch: inferred type is Nothing? but String was expected
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/core/util.kt:25:39 Unnecessary safe call on a non-null receiver of type String!
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/core/util.kt:29:31 Type mismatch: inferred type is Nothing? but String was expected
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/core/util.kt:29:36 Unnecessary safe call on a non-null receiver of type String!
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/core/util.kt:39:23 'SMART_BANNER: AdSize' is deprecated. Deprecated in Java
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/core/util.kt:44:33 'SMART_BANNER: AdSize' is deprecated. Deprecated in Java
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/core/util.kt:87:42 Type mismatch: inferred type is Nothing? but String was expected
w: file:///C:/Users/sevan/WebstormProjects/Azmar/platforms/android/app/src/main/kotlin/admob/plus/core/util.kt:87:47 Unnecessary safe call on a non-null receiver of type String!

[1n3JgKl9pQ6cUMrW]

Thanks for the heads up.

I guess you are using the beta-version of the Admob-plugin?

The regular / stable version doesn't need this adjustments (I am using both for a couple of years know).

As a reminder, for others, keep in mind the AndroidX "switch" when enabling similar problems;

https://admob-plus.github.io/docs/cordova/installation

AndroidX is out there for a long time, but not enabling or (or even enabling it) can cause issues.