downgrade JDK for compile issues

Author: AkYML

build-logic/build.gradle.kts

@@ -2,16 +2,16 @@ plugins {
     `kotlin-dsl`
 }
 
-group = "ycharts.android"
+group = "ycharts.android.buildlogic"
 
 repositories {
     mavenCentral()
     google()
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
 }
 
 dependencies {
@@ -21,7 +21,7 @@ dependencies {
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
     kotlinOptions {
-        jvmTarget = versionCatalogLibs.versions.kotlinJvmTarget.get()
+        jvmTarget = JavaVersion.VERSION_11.toString()
     }
 }
 gradlePlugin {

build-logic/src/main/java/conventions/ComposeApplicationConventionPlugin.kt

@@ -7,6 +7,7 @@ import org.gradle.api.artifacts.VersionCatalogsExtension
 import org.gradle.kotlin.dsl.getByType
 import ycharts.android.configureComposeApplication
 
+
 /**
  * Compose application convention plugin
  *

build-logic/src/main/java/ycharts/android/ComposeApplication.kt

@@ -6,6 +6,7 @@ import org.gradle.api.artifacts.VersionCatalogsExtension
 import org.gradle.kotlin.dsl.dependencies
 import org.gradle.kotlin.dsl.getByType
 
+
 /**
  * Configure compose application
  *
@@ -34,4 +35,4 @@ internal fun Project.configureComposeApplication(
 
         }
     }
-}
+}

build-logic/src/main/java/ycharts/android/KotlinAndroid.kt

@@ -3,9 +3,9 @@ package ycharts.android
 import com.android.build.api.dsl.CommonExtension
 import org.gradle.api.JavaVersion
 import org.gradle.api.Project
-import org.gradle.api.plugins.ExtensionAware
 import org.gradle.kotlin.dsl.provideDelegate
-import org.jetbrains.kotlin.gradle.dsl.KotlinJvmOptions
+import org.gradle.kotlin.dsl.withType
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 /**
  * Configure base Kotlin with Android options
@@ -34,28 +34,26 @@ internal fun Project.configureKotlinAndroid(
             }
         }
         compileOptions {
-            sourceCompatibility = JavaVersion.VERSION_17
-            targetCompatibility = JavaVersion.VERSION_17
-            isCoreLibraryDesugaringEnabled = false
+            sourceCompatibility = JavaVersion.VERSION_11
+            targetCompatibility = JavaVersion.VERSION_11
         }
-
-        kotlinOptions {
-            val warningsAsErrors: String? by project
-            allWarningsAsErrors = warningsAsErrors.toBoolean()
-
-            freeCompilerArgs = freeCompilerArgs + listOf(
-                "-opt-in=kotlin.RequiresOptIn",
-                // Enable experimental coroutines APIs, including Flow
-                "-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi",
-                "-opt-in=kotlinx.coroutines.FlowPreview",
-                "-opt-in=kotlin.Experimental",
-            )
-
-            jvmTarget = JavaVersion.VERSION_17.toString()
+        // Use withType to workaround https://youtrack.jetbrains.com/issue/KT-55947
+        tasks.withType<KotlinCompile>().configureEach {
+            kotlinOptions {
+                // Set JVM target to 11
+                jvmTarget = JavaVersion.VERSION_11.toString()
+                // Treat all Kotlin warnings as errors (disabled by default)
+                // Override by setting warningsAsErrors=true in your ~/.gradle/gradle.properties
+                val warningsAsErrors: String? by project
+                allWarningsAsErrors = warningsAsErrors.toBoolean()
+                freeCompilerArgs = freeCompilerArgs + listOf(
+                    "-opt-in=kotlin.RequiresOptIn",
+                    // Enable experimental coroutines APIs, including Flow
+                    "-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi",
+                    "-opt-in=kotlinx.coroutines.FlowPreview",
+                    "-opt-in=kotlin.Experimental",
+                )
+            }
         }
     }
 }
-
-fun CommonExtension<*, *, *, *>.kotlinOptions(block: KotlinJvmOptions.() -> Unit) {
-    (this as ExtensionAware).extensions.configure("kotlinOptions", block)
-}

gradle/libs.versions.toml

@@ -2,8 +2,7 @@
 # Define the dependency versions
 #Project
 #kotlin
-kotlinVersion = "1.8.20"
-kotlinJvmTarget = "17"
+kotlinVersion = "1.8.10"
 kotlinxCoroutines = "1.6.4"
 kotlinxSerializationJson = "1.5.0"
 #gradle

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,8 @@
 #Sat Apr 01 05:16:59 IST 2023
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1-bin.zip
 networkTimeout=10000
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
+

settings.gradle.kts

@@ -7,6 +7,7 @@ pluginManagement {
     }
 }
 dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {
         google()
         mavenCentral()