build error: Unknown Kotlin JVM target: 21

[ronak-cipl]

kotlinOptions {
jvmTarget = JavaVersion.VERSION_21
}

[ronak-cipl]

compileOptions {
    sourceCompatibility JavaVersion.VERSION_17
    targetCompatibility JavaVersion.VERSION_17
}

kotlinOptions {
    jvmTarget = JavaVersion.VERSION_17
}

please set this code

[EduardoDadalt]

Same problem here

[sobuur0]

Same problem here

Hi @EduardoDadalt

were you able to fix this issue?

[farinchan]

this is how i fix it
and its work

to
C:\Users\<com_name>\AppData\Local\Pub\Cache\hosted\pub.dev\kiosk_mode-0.5.1\android\build.gradle

change its

compileOptions {
    sourceCompatibility JavaVersion.VERSION_17
    targetCompatibility JavaVersion.VERSION_17
}

kotlinOptions {
    jvmTarget = JavaVersion.VERSION_17
}

and also match it with the "build.gradle" of the project being built

[sobuur0]

oh alright thanks @farinchan
i ended up using a different package as it supported more fetures like provisioning a device as device owner.

[Miko2x]

@sobuur0 What package are you using? Does it work on iOS devices?

[sobuur0]

@Miko2x device_policy_controller.

sadly no they only support Android.
I think that's because you pretty much have to integrate with an mdm server and apple mdm protocol on the iOS side to be able to provision a device

[KonstantenKomkov]

No one uses this library, or what is the problem with downgrading the version in the build? The solution is trivial, I do not understand why it is who put such versions. Gradle 8.4 is the latest one that has been tested with Android.

Why is there code in the library that a priori cannot work in Flutter? Check @farinchan comment please or you need MR for java versions?

[KonstantenKomkov]

@Sevastyan @MichalVacek @jnv please, can you help?

[imskm]

Hey I am getting similar kind of build error when I run flutter build apk

FAILURE: Build failed with an exception.

* Where:
Build file '/home/mukhtar/.pub-cache/hosted/pub.dev/kiosk_mode-0.5.1+1/android/build.gradle' line: 35

* What went wrong:
A problem occurred evaluating project ':kiosk_mode'.
> No such property: VERSION_21 for class: org.gradle.api.JavaVersion

* 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

I tried the VERSION_17 solution above but it didn't work.
Any help?

[jnv]

Pinging @witwash since he's a maintainer on this project. He will be back on January 8.

[witwash]

@KonstantenKomkov, will #710 fix your issues?

@alboiuvlad29, are you ok with downgrading Java?

[KonstantenKomkov]

@witwash Hello, yes with that java version all work.

[alboiuvlad29]

@witwash Yes please. Please also check if it's still working with our internal apps.

We have a higher Java version (back when I've bumped it I wasn't sure which would be the correct version flutter would use next) so it might make sense to downgrade.

Didn't think it would cause problems considering it worked for our use case.