Migrate build script to kts

.github/workflows/android.yml

@@ -38,19 +38,21 @@ jobs:
           echo 'org.gradle.parallel=true' >> gradle.properties
           echo 'org.gradle.vfs.watch=true' >> gradle.properties
           echo 'org.gradle.jvmargs=-Xmx2048m' >> gradle.properties
-          bash ./gradlew -PappVerName=${{ env.VERSION }} assembleRelease
+          bash ./gradlew -PappVerName=${{ env.VERSION }} assembleRelease assembleDebug
       - name: Upload built apk
         if: success()
         uses: actions/upload-artifact@v2
         with:
           name: snapshot
-          path: ${{ github.workspace }}/app/build/outputs/apk/release/BiliRoaming_${{ env.VERSION }}.apk
+          path: |
+              ${{ github.workspace }}/app/build/outputs/apk
+              ${{ github.workspace }}/app/build/outputs/mapping
       - name: Post to channel
         if: github.event_name != 'pull_request' && github.ref == 'refs/heads/master'
         env:
           CHANNEL_ID: ${{ secrets.TELEGRAM_TO }}
           BOT_TOKEN: ${{ secrets.TELEGRAM_TOKEN }}
-          FILE: ${{ github.workspace }}/app/build/outputs/apk/release/BiliRoaming_${{ env.VERSION }}.apk
+          FILE: ${{ github.workspace }}/app/release/BiliRoaming_${{ env.VERSION }}.apk
           COMMIT_MESSAGE: |+
             New push to github\!
             ```

app/build.gradle.kts

@@ -1,7 +1,20 @@
-import com.google.protobuf.gradle.*
+import com.android.build.api.artifact.ArtifactTransformationRequest
 import com.android.build.api.artifact.SingleArtifact
+import com.android.build.api.variant.BuiltArtifact
+import com.google.protobuf.gradle.*
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import java.nio.file.Paths
 
+// https://github.com/google/protobuf-gradle-plugin/issues/540#issuecomment-1001053066
+fun com.android.build.api.dsl.AndroidSourceSet.proto(action: SourceDirectorySet.() -> Unit) {
+    (this as? ExtensionAware)
+        ?.extensions
+        ?.getByName("proto")
+        ?.let { it as? SourceDirectorySet }
+        ?.apply(action)
+}
+
+
 plugins {
     id("com.android.application")
     id("kotlin-android")
@@ -61,16 +74,8 @@ android {
         jvmTarget = "11"
     }
 
-//    applicationVariants.all { variant ->
-//        variant.outputs.all { output ->
-//            if (variant.buildType.name == 'release') {
-//                outputFileName = "BiliRoaming_${defaultConfig.versionName}.apk"
-//            }
-//        }
-//    }
-
     sourceSets {
-        getByName("main").proto {
+        named("main") {
             proto {
                 srcDir("src/main/proto")
                 include("**/*.proto")
@@ -114,14 +119,40 @@ protobuf {
         }
     }
 }
-val copyApk = project.tasks.register<Copy>("copyApk") {
+
+abstract class CopyApksTask : DefaultTask() {
+    @get:Internal
+    abstract val transformer: Property<(input: BuiltArtifact) -> File>
+
+    @get:InputDirectory
+    abstract val apkFolder: DirectoryProperty
+
+    @get:OutputDirectory
+    abstract val outFolder: DirectoryProperty
+
+    @get:Internal
+    abstract val transformationRequest: Property<ArtifactTransformationRequest<CopyApksTask>>
+
+    @TaskAction
+    fun taskAction() = transformationRequest.get().submit(this) { builtArtifact ->
+        File(builtArtifact.outputFile).copyTo(transformer.get()(builtArtifact), true)
+    }
 }
 
 androidComponents.onVariants { variant ->
-    variant.artifacts.use(copyApk).wiredWith(Copy::from)
+    if (variant.name != "release") return@onVariants
+    val updateArtifact = project.tasks.register<CopyApksTask>("copy${variant.name.capitalize()}Apk")
+    val transformationRequest = variant.artifacts.use(updateArtifact)
+        .wiredWithDirectories(CopyApksTask::apkFolder, CopyApksTask::outFolder)
+        .toTransformMany(SingleArtifact.APK)
+    updateArtifact.configure {
+        this.transformationRequest.set(transformationRequest)
+        transformer.set { builtArtifact ->
+            File(projectDir, "${variant.name}/BiliRoaming_${builtArtifact.versionName}.apk")
+        }
+    }
 }
 
-
 dependencies {
     compileOnly("de.robv.android.xposed:api:82")
     compileOnly("de.robv.android.xposed:api:82:sources")
@@ -183,3 +214,13 @@ tasks.whenTaskAdded {
         }
     }
 }
+
+tasks.withType<KotlinCompile>().all {
+    if (name.contains("release", true)) {
+        kotlinOptions {
+            freeCompilerArgs = freeCompilerArgs + listOf(
+                "-Xassertions=always-disable",
+            )
+        }
+    }
+}

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/ic_launcher_background" />
-    <foreground android:drawable="@mipmap/ic_launcher_foreground" />
-</adaptive-icon> 
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

build.gradle.kts

@@ -1,15 +1,15 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    val kotlinVersion by extra ("1.6.10")
     repositories {
         google()
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.4'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.12'
+        classpath("com.android.tools.build:gradle:7.0.4")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
+        classpath("com.google.protobuf:protobuf-gradle-plugin:0.8.18")
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -20,10 +20,10 @@ allprojects {
     repositories {
         google()
         mavenCentral()
-        maven { url 'https://api.xposed.info/' }
+        maven(url = "https://api.xposed.info")
     }
 }
 
-task clean(type: Delete) {
-    delete rootProject.buildDir
+tasks.register<Delete>("clean") {
+    delete(rootProject.buildDir)
 }

gradle.properties

@@ -15,3 +15,7 @@ android.useAndroidX=true
 android.enableResourceOptimizations=false
 appVerName=1.5.3
 appVerCode=53
+android.enableAppCompileTimeRClass=true
+android.enableR8.fullMode=true
+android.experimental.enableNewResourceShrinker=true
+android.experimental.enableNewResourceShrinker.preciseShrinking=true

settings.gradle.kts

@@ -1,2 +1,2 @@
-include ':app'
+include(":app")
 buildCache { local { removeUnusedEntriesAfterDays = 1 } }