Inject required JDK version via STUDIO_GRADLE_JDK

[fortuna]

I get:

Execution failed for task ':app:compileDebugKotlin'.
> Inconsistent JVM-target compatibility detected for tasks 'compileDebugJavaWithJavac' (17) and 'compileDebugKotlin' (21).

We should explicitly set the expected JDK in the gradle config (or remove the 17 restriction if we don't need to restrict it).

[fortuna]

The workaround is to manually force version 17 in the settings:
https://forum.ionicframework.com/t/error-during-the-build-on-android-studio-with-capacitor-barcode-scanner/246432/2

However, we need to document that, and it would be best if the restriction was encoded in the project somehow.

[GrantASL19]

The workaround is to manually force version 17 in the settings

I have to do the same thing. Here are our internal instructions:

• Open Android Studio settings (Cmd-,)
• Build, Execution, Deployment → Build Tools → Gradle
• Set Gradle JDK to 17 (e.g. homebrew-17)
• Re-open project
• Run (Ctrl-R)

Is there a better way of handling this @daniellacosse?

[daniellacosse]

It is currently documented here: https://github.com/Jigsaw-Code/outline-app-maker?tab=readme-ov-file#building-the-app-project-for-android

However, we might be able to inject the needed version via STUDIO_GRADLE_JDK env var before launching Android Studio. https://developer.android.com/tools/variables#envar

[marceloomens]

I like the suggestions here, especially the one that suggests the use of the "Gradle Toolchain" to set only the JVM version, not also it's path (which might differ from one machine to the next):

https://stackoverflow.com/questions/18487406/how-do-i-tell-gradle-to-use-specific-jdk-version

I wasn't able to test this though. It's seems more robust then relying on an environment variable.