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[#903] Update doc on supported java versions

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Honza Rychnovský 2023-07-17 13:49:11 +02:00 committed by GitHub
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docs/Setup.md
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@ -11,7 +11,8 @@ To get set up for development, there are several steps that you need to go throu
Start by making sure the command line with Gradle works first, because **all the Android Studio run configurations use Gradle internally.** The run configurations are not magic—they map directly to command line invocations with different arguments.
1. Install Java
1. Install JVM 11 or greater on your system. Our setup has been tested with Java 11-17. Although a variety of JVM distributions are available and should work, we have settled on recommending [Adoptium/Temurin](https://adoptium.net), because this is the default distribution used by Gradle toolchains. For Windows or Linux, be sure that the `JAVA_HOME` environment variable points to the right Java version. Note: If you switch from a newer to an older JVM version, you may see an error like the following `> com.android.ide.common.signing.KeytoolException: Failed to read key AndroidDebugKey from store "~/.android/debug.keystore": Integrity check failed: java.security.NoSuchAlgorithmException: Algorithm HmacPBESHA256 not available`. A solution is to delete the debug keystore and allow it to be re-generated.
1. Install JVM 17 or greater on your system. Our setup has been tested with Java 17. Although a variety of
JVM distributions are available and should work, we have settled on recommending [Adoptium/Temurin](https://adoptium.net), because this is the default distribution used by Gradle toolchains. For Windows or Linux, be sure that the `JAVA_HOME` environment variable points to the right Java version. Note: If you switch from a newer to an older JVM version, you may see an error like the following `> com.android.ide.common.signing.KeytoolException: Failed to read key AndroidDebugKey from store "~/.android/debug.keystore": Integrity check failed: java.security.NoSuchAlgorithmException: Algorithm HmacPBESHA256 not available`. A solution is to delete the debug keystore and allow it to be re-generated.
1. Android Studio has an embedded JVM, although running Gradle tasks from the command line requires a separate JVM to be installed. Our Gradle scripts are configured to use toolchains to automatically install the correct JVM version.
1. Install Android Studio and the Android SDK
1. Download [Android Studio](https://developer.android.com/studio/preview). As of September 2022, we recommend Android Studio Electric Eel preview because it is more robust with Kotlin Multiplatform. Also note that due to issue #420 Intel-based machines may have trouble building in Android Studio. If you experience this, the workaround is to add the following line to `~/.gradle/gradle.properties` `ZCASH_IS_DEPENDENCY_LOCKING_ENABLED=false`.

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gradle.properties
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@ -158,7 +158,7 @@ ZXING_VERSION=3.5.1
# Toolchain is the Java version used to build the application, which is separate from the
# Java version used to run the application. Android requires a minimum of 11.
# Java version used to run the application.
JVM_TOOLCHAIN=17
# This shouldn't be changed, as Android doesn't support targets beyond Java 8