virtualx-engine/platform/android/java/app/config.gradle

ext.versions = [
    androidGradlePlugin: '7.0.3',
    compileSdk         : 30,
    minSdk             : 19, // Also update 'platform/android/java/lib/AndroidManifest.xml#minSdkVersion' & 'platform/android/export/export_plugin.cpp#DEFAULT_MIN_SDK_VERSION'
    targetSdk          : 30, // Also update 'platform/android/java/lib/AndroidManifest.xml#targetSdkVersion' & 'platform/android/export/export_plugin.cpp#DEFAULT_TARGET_SDK_VERSION'
    buildTools         : '30.0.3',
    kotlinVersion      : '1.5.10',
    fragmentVersion    : '1.3.6',
    javaVersion        : 11,
    ndkVersion         : '21.4.7075529' // Also update 'platform/android/detect.py#get_project_ndk_version()' when this is updated.

]

ext.libraries = [
    androidGradlePlugin: "com.android.tools.build:gradle:$versions.androidGradlePlugin",
    kotlinGradlePlugin : "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlinVersion",
    kotlinStdLib       : "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$versions.kotlinVersion",
    androidxFragment   : "androidx.fragment:fragment:$versions.fragmentVersion",
]

ext.getExportPackageName = { ->
    // Retrieve the app id from the project property set by the Godot build command.
    String appId = project.hasProperty("export_package_name") ? project.property("export_package_name") : ""
    // Check if the app id is valid, otherwise use the default.
    if (appId == null || appId.isEmpty()) {
        appId = "com.godot.game"
    }
    return appId
}

ext.getExportVersionCode = { ->
    String versionCode = project.hasProperty("export_version_code") ? project.property("export_version_code") : ""
    if (versionCode == null || versionCode.isEmpty()) {
        versionCode = "1"
    }
    try {
        return Integer.parseInt(versionCode)
    } catch (NumberFormatException ignored) {
        return 1
    }
}

ext.getExportVersionName = { ->
    String versionName = project.hasProperty("export_version_name") ? project.property("export_version_name") : ""
    if (versionName == null || versionName.isEmpty()) {
        versionName = "1.0"
    }
    return versionName
}

ext.getExportMinSdkVersion = { ->
    String minSdkVersion = project.hasProperty("export_version_min_sdk") ? project.property("export_version_min_sdk") : ""
    if (minSdkVersion == null || minSdkVersion.isEmpty()) {
        minSdkVersion = "$versions.minSdk"
    }
    try {
        return Integer.parseInt(minSdkVersion)
    } catch (NumberFormatException ignored) {
        return versions.minSdk
    }
}

ext.getExportTargetSdkVersion = { ->
    String targetSdkVersion = project.hasProperty("export_version_target_sdk") ? project.property("export_version_target_sdk") : ""
    if (targetSdkVersion == null || targetSdkVersion.isEmpty()) {
        targetSdkVersion = "$versions.targetSdk"
    }
    try {
        return Integer.parseInt(targetSdkVersion)
    } catch (NumberFormatException ignored) {
        return versions.targetSdk
    }
}

ext.getGodotEditorVersion = { ->
    String editorVersion = project.hasProperty("godot_editor_version") ? project.property("godot_editor_version") : ""
    if (editorVersion == null || editorVersion.isEmpty()) {
        // Try the library version first
        editorVersion = getGodotLibraryVersion()

        if (editorVersion.isEmpty()) {
            // Fallback value.
            editorVersion = "custom_build"
        }
    }
    return editorVersion
}

ext.getGodotLibraryVersion = { ->
    // Attempt to read the version from the `version.py` file.
    String libraryVersion = ""

    File versionFile = new File("../../../version.py")
    if (versionFile.isFile()) {
        List<String> requiredKeys = ["major", "minor", "patch", "status", "module_config"]
        def map = [:]

        List<String> lines = versionFile.readLines()
        for (String line in lines) {
            String[] keyValue = line.split("=")
            String key = keyValue[0].trim()
            String value = keyValue[1].trim().replaceAll("\"", "")

            if (requiredKeys.contains(key)) {
                if (!value.isEmpty()) {
                    map[key] = value
                }
                requiredKeys.remove(key)
            }
        }

        if (requiredKeys.empty) {
            libraryVersion = map.values().join(".")
        }
    }

    if (libraryVersion.isEmpty()) {
        // Fallback value in case we're unable to read the file.
        libraryVersion = "custom_build"
    }
    return libraryVersion
}

final String VALUE_SEPARATOR_REGEX = "\\|"

// get the list of ABIs the project should be exported to
ext.getExportEnabledABIs = { ->
    String enabledABIs = project.hasProperty("export_enabled_abis") ? project.property("export_enabled_abis") : "";
    if (enabledABIs == null || enabledABIs.isEmpty()) {
        enabledABIs = "armeabi-v7a|arm64-v8a|x86|x86_64|"
    }
    Set<String> exportAbiFilter = [];
    for (String abi_name : enabledABIs.split(VALUE_SEPARATOR_REGEX)) {
        if (!abi_name.trim().isEmpty()){
            exportAbiFilter.add(abi_name);
        }
    }
    return exportAbiFilter;
}

ext.getExportPath = {
    String exportPath = project.hasProperty("export_path") ? project.property("export_path") : ""
    if (exportPath == null || exportPath.isEmpty()) {
        exportPath = "."
    }
    return exportPath
}

ext.getExportFilename = {
    String exportFilename = project.hasProperty("export_filename") ? project.property("export_filename") : ""
    if (exportFilename == null || exportFilename.isEmpty()) {
        exportFilename = "godot_android"
    }
    return exportFilename
}

/**
 * Parse the project properties for the 'plugins_maven_repos' property and return the list
 * of maven repos.
 */
ext.getGodotPluginsMavenRepos = { ->
    Set<String> mavenRepos = []

    // Retrieve the list of maven repos.
    if (project.hasProperty("plugins_maven_repos")) {
        String mavenReposProperty = project.property("plugins_maven_repos")
        if (mavenReposProperty != null && !mavenReposProperty.trim().isEmpty()) {
            for (String mavenRepoUrl : mavenReposProperty.split(VALUE_SEPARATOR_REGEX)) {
                mavenRepos += mavenRepoUrl.trim()
            }
        }
    }

    return mavenRepos
}

/**
 * Parse the project properties for the 'plugins_remote_binaries' property and return
 * it for inclusion in the build dependencies.
 */
ext.getGodotPluginsRemoteBinaries = { ->
    Set<String> remoteDeps = []

    // Retrieve the list of remote plugins binaries.
    if (project.hasProperty("plugins_remote_binaries")) {
        String remoteDepsList = project.property("plugins_remote_binaries")
        if (remoteDepsList != null && !remoteDepsList.trim().isEmpty()) {
            for (String dep: remoteDepsList.split(VALUE_SEPARATOR_REGEX)) {
                remoteDeps += dep.trim()
            }
        }
    }
    return remoteDeps
}

/**
 * Parse the project properties for the 'plugins_local_binaries' property and return
 * their binaries for inclusion in the build dependencies.
 */
ext.getGodotPluginsLocalBinaries = { ->
    Set<String> binDeps = []

    // Retrieve the list of local plugins binaries.
    if (project.hasProperty("plugins_local_binaries")) {
        String pluginsList = project.property("plugins_local_binaries")
        if (pluginsList != null && !pluginsList.trim().isEmpty()) {
            for (String plugin : pluginsList.split(VALUE_SEPARATOR_REGEX)) {
                binDeps += plugin.trim()
            }
        }
    }

    return binDeps
}

ext.getDebugKeystoreFile = { ->
    String keystoreFile = project.hasProperty("debug_keystore_file") ? project.property("debug_keystore_file") : ""
    if (keystoreFile == null || keystoreFile.isEmpty()) {
        keystoreFile = "."
    }
    return keystoreFile
}

ext.hasCustomDebugKeystore = { ->
    File keystoreFile = new File(getDebugKeystoreFile())
    return keystoreFile.isFile()
}

ext.getDebugKeystorePassword = { ->
    String keystorePassword = project.hasProperty("debug_keystore_password") ? project.property("debug_keystore_password") : ""
    if (keystorePassword == null || keystorePassword.isEmpty()) {
        keystorePassword = "android"
    }
    return keystorePassword
}

ext.getDebugKeyAlias = { ->
    String keyAlias = project.hasProperty("debug_keystore_alias") ? project.property("debug_keystore_alias") : ""
    if (keyAlias == null || keyAlias.isEmpty()) {
        keyAlias = "androiddebugkey"
    }
    return keyAlias
}

ext.getReleaseKeystoreFile = { ->
    String keystoreFile = project.hasProperty("release_keystore_file") ? project.property("release_keystore_file") : ""
    if (keystoreFile == null || keystoreFile.isEmpty()) {
        keystoreFile = "."
    }
    return keystoreFile
}

ext.getReleaseKeystorePassword = { ->
    String keystorePassword = project.hasProperty("release_keystore_password") ? project.property("release_keystore_password") : ""
    return keystorePassword
}

ext.getReleaseKeyAlias = { ->
    String keyAlias = project.hasProperty("release_keystore_alias") ? project.property("release_keystore_alias") : ""
    return keyAlias
}

ext.isAndroidStudio = { ->
    def sysProps = System.getProperties()
    return sysProps != null && sysProps['idea.platform.prefix'] != null
}

ext.shouldZipAlign = { ->
    String zipAlignFlag = project.hasProperty("perform_zipalign") ? project.property("perform_zipalign") : ""
    if (zipAlignFlag == null || zipAlignFlag.isEmpty()) {
        if (isAndroidStudio()) {
            zipAlignFlag = "true"
        } else {
            zipAlignFlag = "false"
        }
    }
    return Boolean.parseBoolean(zipAlignFlag)
}

ext.shouldSign = { ->
    String signFlag = project.hasProperty("perform_signing") ? project.property("perform_signing") : ""
    if (signFlag == null || signFlag.isEmpty()) {
        if (isAndroidStudio()) {
            signFlag = "true"
        } else {
            signFlag = "false"
        }
    }
    return Boolean.parseBoolean(signFlag)
}

ext.shouldNotStrip = { ->
    return isAndroidStudio() || project.hasProperty("doNotStrip")
}