Add a first draft of build_sky_apk.dart

packages/flutter_tools/bin/build_sky_apk.dart

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:io';
+
+import 'package:args/args.dart';
+
+const String kBuildToolsVersion = '22.0.1';
+const String kAndroidPlatformVersion = '22';
+
+const String kKeystoreKeyName = "chromiumdebugkey";
+const String kKeystorePassword = "chromium";
+
+const String kICUDataFile = 'icudtl.dat';
+
+void run(String command, List<String> args) {
+  ProcessResult result = Process.runSync(command, args);
+  stdout.write(result.stdout);
+  stderr.write(result.stderr);
+}
+
+main(List<String> argv) async {
+  ArgParser parser = new ArgParser();
+  parser.addFlag('help', abbr: 'h', negatable: false);
+  parser.addOption('android-sdk');
+  parser.addOption('skyx');
+
+  ArgResults args = parser.parse(argv);
+
+  File unalignedApk = new File('out/Example.apk.unaligned');
+  File finalApk = new File('out/Example.apk');
+  File androidManifest = new File('artifacts/AndroidManifest.xml');
+  File classesDex = new File('artifacts/classes.dex');
+  File icuDataFile = new File('artifacts/$kICUDataFile');
+  File keystore = new File('artifacts/chromium-debug.keystore');
+
+  String androidSDK = args['android-sdk'];
+  String buildTools = '$androidSDK/build-tools/$kBuildToolsVersion';
+  String aapt = '$buildTools/aapt';
+  String zipalign = '$buildTools/zipalign';
+  File androidJar = new File('$androidSDK/platforms/android-$kAndroidPlatformVersion/android.jar');
+  String jarsigner = 'jarsigner';
+
+  Directory assets = new Directory('out/assets');
+  await assets.create(recursive: true);
+
+  icuDataFile.copy('${assets.path}/$kICUDataFile');
+
+  run(aapt, [
+    'package',
+    '-M', androidManifest.path,
+    '-A', assets.path,
+    '-I', androidJar.path,
+    '-F', unalignedApk.path,
+  ]);
+
+  run(aapt, [ 'add', '-f', unalignedApk.path, classesDex.path ]);
+
+  run(jarsigner, [
+    '-keystore', keystore.path,
+    '-storepass', kKeystorePassword,
+    unalignedApk.path,
+    kKeystoreKeyName,
+  ]);
+
+  run(zipalign, ['4', unalignedApk.path, finalApk.path]);
+}

packages/flutter_tools/pubspec.yaml

+author: Chromium Authors <sky-dev@googlegroups.com>
+dependencies:
+  args: '>=0.13.0 <1.0.0'
+description: Tools for building Sky applications
+homepage: https://github.com/domokit/sky_tools
+name: sky_tools
+version: 0.0.1