flutter_ijkplayer/example/android/app/arm64.gradle

apply plugin: Arm64Plugin

class Arm64Plugin implements Plugin<Project> {
    private Properties localProperties

    private Properties readPropertiesIfExist(File propertiesFile) {
        Properties result = new Properties()
        if (propertiesFile.exists()) {
            propertiesFile.withReader('UTF-8') { reader -> result.load(reader) }
        }
        return result
    }

    private String resolveProperty(Project project, String name, String defaultValue) {
        if (localProperties == null) {
            localProperties = readPropertiesIfExist(new File(project.projectDir.parentFile, "local.properties"))
        }
        String result
        if (project.hasProperty(name)) {
            result = project.property(name)
        }
        if (result == null) {
            result = localProperties.getProperty(name)
        }
        if (result == null) {
            result = defaultValue
        }
        return result
    }

    @Override
    void apply(Project project) {
        project.android.buildTypes {
            profile {
                initWith debug
                if (it.hasProperty('matchingFallbacks')) {
                    matchingFallbacks = ['debug', 'release']
                }
            }
            dynamicProfile {
                initWith debug
                if (it.hasProperty('matchingFallbacks')) {
                    matchingFallbacks = ['debug', 'release']
                }
            }
            dynamicRelease {
                initWith debug
                if (it.hasProperty('matchingFallbacks')) {
                    matchingFallbacks = ['debug', 'release']
                }
            }
        }

        String flutterRoot = resolveProperty(project, "flutter.sdk", System.env.FLUTTER_ROOT)
//        原始jar包文件
        def zipFile = file("$flutterRoot/bin/cache/artifacts/engine/android-arm64-dynamic-release/flutter.jar")

        // 解压缩目标目录
        def outputDir = file("$flutterRoot/bin/cache/artifacts/engine/android-arm64-dynamic-release/dist")

//        FileTree jarTree = zipTree(zipFile)
//
//        from jarTree
//        into outputDir
    }
}