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242a4225a1
`flutter build aar`
This new build command works just like `flutter build apk` or `flutter build appbundle`, but for plugin and module projects.
This PR also refactors how plugins are included in app or module projects. By building the plugins as AARs, the Android Gradle plugin is able to use Jetifier to translate support libraries into AndroidX libraries for all the plugin's native code. Thus, reducing the error rate when using AndroidX in apps.
This change also allows to build modules as AARs, so developers can take these artifacts and distribute them along with the native host app without the need of the Flutter tool. This is a requirement for add to app.
`flutter build aar` generates POM artifacts (XML files) which contain metadata about the native dependencies used by the plugin. This allows Gradle to resolve dependencies at the app level. The result of this new build command is a single build/outputs/repo, the local repository that contains all the generated AARs and POM files.
In a Flutter app project, this local repo is used by the Flutter Gradle plugin to resolve the plugin dependencies. In add to app case, the developer needs to configure the local repo and the dependency manually in `build.gradle`:
repositories {
maven {
url "<path-to-flutter-module>build/host/outputs/repo"
}
}
dependencies {
implementation("<package-name>:flutter_<build-mode>:1.0@aar") {
transitive = true
}
}
139 lines
3.3 KiB
Dart
139 lines
3.3 KiB
Dart
// Copyright (c) 2019 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'dart:io';
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import 'package:flutter_devicelab/framework/framework.dart';
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import 'package:flutter_devicelab/framework/utils.dart';
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import 'package:path/path.dart' as path;
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final String gradlew = Platform.isWindows ? 'gradlew.bat' : 'gradlew';
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final String gradlewExecutable = Platform.isWindows ? gradlew : './$gradlew';
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/// Tests that AARs can be built on plugin projects.
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Future<void> main() async {
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await task(() async {
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section('Find Java');
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final String javaHome = await findJavaHome();
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if (javaHome == null)
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return TaskResult.failure('Could not find Java');
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print('\nUsing JAVA_HOME=$javaHome');
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section('Create plugin project');
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final Directory tempDir = Directory.systemTemp.createTempSync('flutter_module_test.');
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final Directory projectDir = Directory(path.join(tempDir.path, 'hello'));
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try {
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await inDirectory(tempDir, () async {
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await flutter(
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'create',
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options: <String>[
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'--org', 'io.flutter.devicelab',
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'--template', 'plugin',
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'hello',
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],
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);
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});
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section('Build release AAR');
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await inDirectory(projectDir, () async {
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await flutter(
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'build',
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options: <String>['aar', '--verbose'],
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);
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});
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final String repoPath = path.join(
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projectDir.path,
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'build',
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'outputs',
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'repo',
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);
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final File releaseAar = File(path.join(
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repoPath,
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'io',
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'flutter',
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'devicelab',
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'hello',
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'hello_release',
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'1.0',
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'hello_release-1.0.aar',
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));
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if (!exists(releaseAar)) {
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return TaskResult.failure('Failed to build the release AAR file.');
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}
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final File releasePom = File(path.join(
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repoPath,
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'io',
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'flutter',
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'devicelab',
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'hello',
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'hello_release',
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'1.0',
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'hello_release-1.0.pom',
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));
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if (!exists(releasePom)) {
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return TaskResult.failure('Failed to build the release POM file.');
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}
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section('Build debug AAR');
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await inDirectory(projectDir, () async {
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await flutter(
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'build',
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options: <String>[
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'aar',
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'--verbose',
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'--debug',
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],
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);
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});
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final File debugAar = File(path.join(
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repoPath,
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'io',
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'flutter',
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'devicelab',
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'hello',
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'hello_debug',
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'1.0',
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'hello_debug-1.0.aar',
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));
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if (!exists(debugAar)) {
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return TaskResult.failure('Failed to build the debug AAR file.');
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}
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final File debugPom = File(path.join(
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repoPath,
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'io',
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'flutter',
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'devicelab',
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'hello',
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'hello_debug',
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'1.0',
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'hello_debug-1.0.pom',
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));
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if (!exists(debugPom)) {
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return TaskResult.failure('Failed to build the debug POM file.');
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}
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return TaskResult.success(null);
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} catch (e) {
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return TaskResult.failure(e.toString());
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} finally {
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rmTree(tempDir);
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}
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});
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}
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