fixTarget35.gradle

import com.android.build.gradle.internal.services.BuildServicesKt
import com.android.build.gradle.options.ProjectOptions
import com.android.build.gradle.options.ProjectOptionService
import com.android.build.gradle.options.StringOption
import com.android.builder.errors.EvalIssueException
import com.android.builder.errors.IssueReporter
import com.google.common.collect.ImmutableMap
import org.jetbrains.annotations.NotNull

import java.lang.reflect.Field

/**
 * 目的：动态设置 gradle.properties 里的 android.aapt2FromMavenOverride=/Users/sickworm/Library/Android/sdk/build-tools/35.0.1/aapt2
 * gradle.properties 不支持动态路径
 */
// 1. 拿到 35.0.1 aapt2 的路径
// 更推荐的方式：直接拷贝 $sdkDir/build-tools/35.0.1/aapt2 到工程，这样就不用每个开发安装一次了（需要分别内置 windows，linux，mac）
def sdkDir = com.android.build.gradle.internal.SdkLocator.getSdkDirectory(project.rootDir, new IssueReporter() {
    @Override
    boolean hasIssue(@NotNull IssueReporter.Type type) {
        return false
    }
    @Override
    protected void reportIssue(@NotNull IssueReporter.Type type, @NotNull IssueReporter.Severity severity, @NotNull EvalIssueException e) {
    }
})
println("sdkDir: $sdkDir")
if (sdkDir == null || !sdkDir.exists()) {
    System.err.println("Android sdkDir 找不到，退出替换") // 这里不应该没有，先不直接报错，先跑起来，避免首次初始化等部分场景读不到
    return
}
def aapt2Path = "$sdkDir/build-tools/35.0.1/aapt2"
if (! new File(aapt2Path).exists()) {
    def message = "编译检查：找不到 $aapt2Path，请先安装 build-tools 35.0.1。方法：Android Studio -> Tools -> SDK Manager -> SDK Tools -> 安装 build-tools 35.0.1。"
    System.err.println(message)
    System.err.println(message)
    System.err.println(message)
    throw new IllegalArgumentException(message)
}

// 2. 反射设置进去
new ProjectOptionService.RegistrationAction(project).execute().get() // 触发 ProjectOptionService 创建。正常是在 apply com.android.library 时懒加载创建
def buildServiceRegistry = project.getGradle().getSharedServices()
Object byName = buildServiceRegistry.getRegistrations().getByName(BuildServicesKt.getBuildServiceName(ProjectOptionService.class))
if (byName == null) {
    throw new NullPointerException("null cannot be cast to non-null type org.gradle.api.services.BuildServiceRegistration<ServiceT of com.android.build.gradle.internal.services.BuildServicesKt.getBuildService, *>");
}
def service = byName.getService()
ProjectOptions projectOptions = service.get().getProjectOptions()
println("projectOptions $projectOptions")
Field stringOptionValues = projectOptions.getClass().getDeclaredField("stringOptionValues")
stringOptionValues.setAccessible(true)
ImmutableMap<StringOption, ProjectOptions.OptionValue<StringOption, String>> value = stringOptionValues.get(projectOptions)
// 2.2 找到 AAPT2_FROM_MAVEN_OVERRIDE
value.entrySet().forEach { entry ->
    def getMethod = entry.value.getClass().getDeclaredMethod("getValueForUseAtConfiguration")
    getMethod.setAccessible(true)
    // AAPT2_FROM_MAVEN_OVERRIDE=/Users/sickworm/Library/Android/sdk/build-tools/35.0.1/aapt2
    if (entry.key.toString() == "AAPT2_FROM_MAVEN_OVERRIDE") {
        println("projectOptions ${entry.key}=${getMethod.invoke(entry.value)}")
        def field = entry.value.getClass().getDeclaredField("option") // StringOption
        field.setAccessible(true)
        StringOption stringOption = field.get(entry.value)
        def mockStringOption = new com.android.build.gradle.options.Option<String>() {
            @Override
            String getDefaultValue() {
                return aapt2Path
            }
            @Override
            String getPropertyName() {
                return stringOption.getPropertyName()
            }
            @Override
            com.android.build.gradle.options.Option.Status getStatus() {
                return stringOption.getStatus()
            }
            @Override
            String parse(@NotNull Object o) {
                return aapt2Path
            }
        }
        field.set(entry.value, mockStringOption)

        println("projectOptions after ${entry.key}=${getMethod.invoke(entry.value)}")
    }
}