359 lines
11 KiB
Dart
359 lines
11 KiB
Dart
import 'dart:io';
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import 'package:yaml/yaml.dart';
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/// 品牌名允许的字符：小写字母、数字、下划线。
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final RegExp _validBrandName = RegExp(r'^[a-z][a-z0-9_]*$');
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Future<void> main(List<String> args) async {
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if (args.isEmpty) {
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print('\x1B[31m用法：dart run tool/generate_app.dart <品牌名>\x1B[0m');
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print('\x1B[33m示例：dart run tool/generate_app.dart quanxue\x1B[0m');
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exit(1);
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}
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final String brand = args.first;
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if (!_validBrandName.hasMatch(brand)) {
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print(
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'\x1B[31m[错误] 品牌名 "$brand" 格式无效，'
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'仅允许小写字母、数字和下划线（且必须以字母开头）。\x1B[0m',
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);
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exit(1);
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}
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final File configFile = File('flavors/$brand.yaml');
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if (!configFile.existsSync()) {
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print('\x1B[31m[错误] 未找到配置文件：${configFile.path}\x1B[0m');
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exit(1);
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}
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print('\x1B[34m[信息] 正在为品牌生成应用：$brand...\x1B[0m');
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// 1. 解析 YAML 配置
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final String yamlString = await configFile.readAsString();
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final YamlMap config = loadYaml(yamlString) as YamlMap;
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final String appName = config['app_name'] as String;
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final String applicationId = config['application_id'] as String;
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final String appKey = config['app_key'] as String;
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final YamlMap theme = config['theme'] as YamlMap;
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final String accentColor = theme['accent_color'] as String;
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final String bgColor = theme['bg_color'] as String;
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final String textColor = theme['text_color'] as String;
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final String mutedTextColor = theme['muted_text_color'] as String;
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final String appDir = 'apps/$brand';
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print('\x1B[32m✔ 配置加载完成。\x1B[0m');
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// 2. 创建 Flutter 应用
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await _createFlutterApp(brand, appDir, applicationId);
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// 3. 添加核心依赖
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await _addCoreDependency(appDir);
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// 4. 覆盖 MainActivity.java 以继承 CoreShellActivity
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await _overwriteMainActivity(appDir, applicationId);
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// 5. 覆盖 AndroidManifest.xml 中的应用名称
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await _overwriteManifestLabel(appDir, appName);
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final String? defaultUrl = config['default_url'] as String?;
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// 6. 生成 lib/main.dart
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await _generateDartEntrypoint(
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appDir,
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appName,
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appKey,
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accentColor,
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bgColor,
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textColor,
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mutedTextColor,
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defaultUrl,
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);
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// 7. 生成图标与启动页配置
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await _generateBrandingAssets(brand, appDir, config);
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// 8. 在 pubspec.yaml 中注册 Flutter assets
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await _registerFlutterAssets(appDir);
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print('\x1B[32m✔ 应用 $brand 已生成到 $appDir！\x1B[0m');
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print('\x1B[34m构建应用请执行：\x1B[0m');
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print(' cd $appDir && flutter build apk');
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}
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Future<void> _createFlutterApp(
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String brand,
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String appDir,
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String applicationId,
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) async {
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print('\x1B[34m[信息] 正在执行 flutter create...\x1B[0m');
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final Directory dir = Directory(appDir);
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if (dir.existsSync()) {
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print('\x1B[33m[警告] 目录 $appDir 已存在，正在清理...\x1B[0m');
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dir.deleteSync(recursive: true);
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}
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// 提取组织名
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// 例如：com.yuanxuan.quanxue -> org: com.yuanxuan
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final List<String> segments = applicationId.split('.');
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final String org = segments.sublist(0, segments.length - 1).join('.');
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final ProcessResult result = await Process.run('flutter', [
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'create',
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'--org',
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org,
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'--project-name',
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brand.replaceAll('-', '_'),
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'--platforms',
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'android',
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'--android-language',
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'java',
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appDir,
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]);
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if (result.exitCode != 0) {
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print('\x1B[31m[错误] flutter create 执行失败：\n${result.stderr}\x1B[0m');
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exit(1);
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}
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}
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Future<void> _addCoreDependency(String appDir) async {
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print('\x1B[34m[信息] 正在添加 web_shell_core 依赖...\x1B[0m');
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final ProcessResult result = await Process.run('flutter', [
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'pub',
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'add',
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'web_shell_core',
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'--path',
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'../../packages/web_shell_core',
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], workingDirectory: appDir);
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if (result.exitCode != 0) {
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print('\x1B[31m[错误] 添加依赖失败：\n${result.stderr}\x1B[0m');
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exit(1);
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}
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}
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Future<void> _overwriteMainActivity(String appDir, String applicationId) async {
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print('\x1B[34m[信息] 正在注入 CoreShellActivity 继承关系...\x1B[0m');
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final String mainActivityPath =
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"$appDir/android/app/src/main/java/${applicationId.replaceAll('.', '/')}/MainActivity.java";
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// 准备 Java 文件内容
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final String javaContent =
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'''
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package $applicationId;
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import com.yuanxuan.webshell.core.web_shell_core.CoreShellActivity;
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public class MainActivity extends CoreShellActivity {
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}
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''';
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await File(mainActivityPath).create(recursive: true);
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await File(mainActivityPath).writeAsString(javaContent);
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}
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Future<void> _overwriteManifestLabel(String appDir, String appName) async {
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print('\x1B[34m[信息] 正在更新 AndroidManifest.xml 应用名...\x1B[0m');
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final File manifestFile = File(
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'$appDir/android/app/src/main/AndroidManifest.xml',
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);
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String content = await manifestFile.readAsString();
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// 使用简单正则替换 android:label="..."
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content = content.replaceAll(
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RegExp(r'android:label="[^"]*"'),
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'android:label="$appName"',
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);
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await manifestFile.writeAsString(content);
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}
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Future<void> _generateDartEntrypoint(
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String appDir,
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String appName,
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String appKey,
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String accentColor,
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String bgColor,
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String textColor,
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String mutedTextColor,
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String? defaultUrl,
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) async {
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print('\x1B[34m[信息] 正在生成 lib/main.dart...\x1B[0m');
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final File mainFile = File('$appDir/lib/main.dart');
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final String urlParam = defaultUrl != null ? "initialUrl: '$defaultUrl'," : "";
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final String dartContent =
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'''
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import 'package:flutter/material.dart';
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import 'package:web_shell_core/web_shell_core.dart';
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void main() {
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runShellApp(
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ShellEnvironment(
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appName: '$appName',
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appKey: '$appKey',
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accentColor: const Color($accentColor),
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backgroundColor: const Color($bgColor),
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textColor: const Color($textColor),
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mutedTextColor: const Color($mutedTextColor),
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splashImage: const AssetImage('assets/branding/splash.png'),
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$urlParam
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),
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);
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}
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''';
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await mainFile.writeAsString(dartContent);
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// 清理 flutter create 默认生成的测试文件（因为它依赖已删除的 MyApp 类）
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final File defaultTestFile = File('$appDir/test/widget_test.dart');
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if (defaultTestFile.existsSync()) {
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await defaultTestFile.delete();
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}
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}
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Future<void> _generateBrandingAssets(
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String brand,
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String appDir,
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YamlMap config,
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) async {
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print('\x1B[34m[信息] 正在配置图标与启动页...\x1B[0m');
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if (config['branding'] == null) {
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print('\x1B[33m[警告] 配置中未找到 branding 段，跳过资源生成。\x1B[0m');
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return;
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}
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final YamlMap branding = config['branding'] as YamlMap;
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// ── 1. 复制品牌资源到生成的应用目录 ──
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final Directory brandSourceDir = Directory('flavors/$brand');
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final Directory brandTargetDir = Directory('$appDir/assets/branding');
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if (!brandSourceDir.existsSync()) {
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print('\x1B[31m[错误] 品牌资源目录不存在：${brandSourceDir.path}\x1B[0m');
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print(
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'\x1B[33m请在 flavors/$brand/ 目录下放置 icon.png、'
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'icon_foreground.png、splash.png 等资源文件。\x1B[0m',
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);
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exit(1);
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}
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await brandTargetDir.create(recursive: true);
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for (final entity in brandSourceDir.listSync(recursive: true)) {
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if (entity is File) {
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final relativePath = entity.path.substring(
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brandSourceDir.path.length + 1,
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);
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final targetFile = File('${brandTargetDir.path}/$relativePath');
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await targetFile.parent.create(recursive: true);
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await entity.copy(targetFile.path);
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}
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}
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print('\x1B[32m✔ 品牌资源已复制到 ${brandTargetDir.path}\x1B[0m');
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// ── 2. 添加资源生成器的 dev 依赖 ──
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print('\x1B[34m[信息] 正在添加资源生成器依赖...\x1B[0m');
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final ProcessResult addDevDepsResult = await Process.run('flutter', [
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'pub',
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'add',
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'--dev',
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'flutter_launcher_icons',
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'flutter_native_splash',
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], workingDirectory: appDir);
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if (addDevDepsResult.exitCode != 0) {
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print(
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'\x1B[31m[错误] 添加资源生成器依赖失败：'
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'\n${addDevDepsResult.stderr}\x1B[0m',
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);
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exit(1);
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}
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// ── 3. 确保依赖已解析 ──
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await Process.run('flutter', ['pub', 'get'], workingDirectory: appDir);
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// ── 4. 生成 flutter_launcher_icons 配置 ──
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// 资源路径指向复制后的位置（相对于 appDir）
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final String iconPath = 'assets/branding/${branding['icon']}';
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final String iconForeground =
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'assets/branding/${branding['icon_foreground']}';
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final String iconBackground = branding['icon_background'] as String;
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final String iconsYaml =
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'''
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flutter_launcher_icons:
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android: true
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image_path: "$iconPath"
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adaptive_icon_background: "$iconBackground"
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adaptive_icon_foreground: "$iconForeground"
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''';
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await File('$appDir/flutter_launcher_icons.yaml').writeAsString(iconsYaml);
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// ── 4. 生成 flutter_native_splash 配置 ──
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final String splashPath = 'assets/branding/${branding['splash']}';
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final String splashColor = branding['splash_color'] as String;
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final String splashYaml =
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'''
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flutter_native_splash:
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color: "$splashColor"
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image: "$splashPath"
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android_12:
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image: "$splashPath"
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icon_background_color: "$splashColor"
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''';
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await File('$appDir/flutter_native_splash.yaml').writeAsString(splashYaml);
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// ── 5. 执行资源生成器 ──
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print('\x1B[34m[信息] 正在生成应用图标...\x1B[0m');
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final ProcessResult iconsResult = await Process.run('dart', [
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'run',
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'flutter_launcher_icons',
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'-f',
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'flutter_launcher_icons.yaml',
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], workingDirectory: appDir);
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if (iconsResult.exitCode != 0) {
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print('\x1B[31m[错误] 图标生成失败：\n${iconsResult.stderr}\x1B[0m');
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print('\x1B[33mstdout:\n${iconsResult.stdout}\x1B[0m');
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exit(1);
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}
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print('\x1B[32m✔ 应用图标已生成。\x1B[0m');
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print('\x1B[34m[信息] 正在生成启动页...\x1B[0m');
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final ProcessResult splashResult = await Process.run('dart', [
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'run',
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'flutter_native_splash:create',
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'--path=flutter_native_splash.yaml',
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], workingDirectory: appDir);
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if (splashResult.exitCode != 0) {
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print('\x1B[31m[错误] 启动页生成失败：\n${splashResult.stderr}\x1B[0m');
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print('\x1B[33mstdout:\n${splashResult.stdout}\x1B[0m');
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exit(1);
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}
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print('\x1B[32m✔ 启动页已生成。\x1B[0m');
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}
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Future<void> _registerFlutterAssets(String appDir) async {
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print('\x1B[34m[信息] 正在注册 Flutter assets...\x1B[0m');
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final File pubspecFile = File('$appDir/pubspec.yaml');
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String content = await pubspecFile.readAsString();
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// 检查是否已有未注释的 assets: 声明
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final bool hasAssets = RegExp(r'^\s+assets:', multiLine: true).hasMatch(content);
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if (!hasAssets) {
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// 必须匹配行首的顶层 flutter: 键，忽略缩进的 flutter: (SDK 依赖)
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content = content.replaceFirst(
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RegExp(r'^flutter:\s*\n', multiLine: true),
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'flutter:\n assets:\n - assets/branding/\n',
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);
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await pubspecFile.writeAsString(content);
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}
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print('\x1B[32m✔ Flutter assets 已注册。\x1B[0m');
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}
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