| // Copyright 2014 The Flutter 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 'package:native_assets_builder/native_assets_builder.dart' |
| show BuildResult, DryRunResult; |
| import 'package:native_assets_cli/native_assets_cli.dart' hide BuildMode; |
| import 'package:native_assets_cli/native_assets_cli.dart' as native_assets_cli; |
| |
| import '../base/common.dart'; |
| import '../base/file_system.dart'; |
| import '../build_info.dart'; |
| import '../globals.dart' as globals; |
| import '../native_assets.dart'; |
| import 'android_sdk.dart'; |
| |
| /// Dry run the native builds. |
| /// |
| /// This does not build native assets, it only simulates what the final paths |
| /// of all assets will be so that this can be embedded in the kernel file. |
| Future<Uri?> dryRunNativeAssetsAndroid({ |
| required NativeAssetsBuildRunner buildRunner, |
| required Uri projectUri, |
| bool flutterTester = false, |
| required FileSystem fileSystem, |
| }) async { |
| if (!await nativeBuildRequired(buildRunner)) { |
| return null; |
| } |
| |
| final Uri buildUri_ = nativeAssetsBuildUri(projectUri, OS.android); |
| final Iterable<Asset> nativeAssetPaths = |
| await dryRunNativeAssetsAndroidInternal( |
| fileSystem, |
| projectUri, |
| buildRunner, |
| ); |
| final Uri nativeAssetsUri = await writeNativeAssetsYaml( |
| nativeAssetPaths, |
| buildUri_, |
| fileSystem, |
| ); |
| return nativeAssetsUri; |
| } |
| |
| Future<Iterable<Asset>> dryRunNativeAssetsAndroidInternal( |
| FileSystem fileSystem, |
| Uri projectUri, |
| NativeAssetsBuildRunner buildRunner, |
| ) async { |
| const OS targetOS = OS.android; |
| |
| globals.logger.printTrace('Dry running native assets for $targetOS.'); |
| final DryRunResult dryRunResult = await buildRunner.dryRun( |
| linkModePreference: LinkModePreference.dynamic, |
| targetOS: targetOS, |
| workingDirectory: projectUri, |
| includeParentEnvironment: true, |
| ); |
| ensureNativeAssetsBuildSucceed(dryRunResult); |
| final List<Asset> nativeAssets = dryRunResult.assets; |
| ensureNoLinkModeStatic(nativeAssets); |
| globals.logger.printTrace('Dry running native assets for $targetOS done.'); |
| final Map<Asset, Asset> assetTargetLocations = |
| _assetTargetLocations(nativeAssets); |
| final Iterable<Asset> nativeAssetPaths = assetTargetLocations.values; |
| return nativeAssetPaths; |
| } |
| |
| /// Builds native assets. |
| Future<(Uri? nativeAssetsYaml, List<Uri> dependencies)> |
| buildNativeAssetsAndroid({ |
| required NativeAssetsBuildRunner buildRunner, |
| required Iterable<AndroidArch> androidArchs, |
| required Uri projectUri, |
| required BuildMode buildMode, |
| String? codesignIdentity, |
| Uri? yamlParentDirectory, |
| required FileSystem fileSystem, |
| required int targetAndroidNdkApi, |
| }) async { |
| const OS targetOS = OS.android; |
| final Uri buildUri_ = nativeAssetsBuildUri(projectUri, targetOS); |
| if (!await nativeBuildRequired(buildRunner)) { |
| final Uri nativeAssetsYaml = await writeNativeAssetsYaml( |
| <Asset>[], |
| yamlParentDirectory ?? buildUri_, |
| fileSystem, |
| ); |
| return (nativeAssetsYaml, <Uri>[]); |
| } |
| |
| final List<Target> targets = androidArchs.map(_getNativeTarget).toList(); |
| final native_assets_cli.BuildMode buildModeCli = |
| nativeAssetsBuildMode(buildMode); |
| |
| globals.logger |
| .printTrace('Building native assets for $targets $buildModeCli.'); |
| final List<Asset> nativeAssets = <Asset>[]; |
| final Set<Uri> dependencies = <Uri>{}; |
| for (final Target target in targets) { |
| final BuildResult result = await buildRunner.build( |
| linkModePreference: LinkModePreference.dynamic, |
| target: target, |
| buildMode: buildModeCli, |
| workingDirectory: projectUri, |
| includeParentEnvironment: true, |
| cCompilerConfig: await buildRunner.ndkCCompilerConfig, |
| targetAndroidNdkApi: targetAndroidNdkApi, |
| ); |
| ensureNativeAssetsBuildSucceed(result); |
| nativeAssets.addAll(result.assets); |
| dependencies.addAll(result.dependencies); |
| } |
| ensureNoLinkModeStatic(nativeAssets); |
| globals.logger.printTrace('Building native assets for $targets done.'); |
| final Map<Asset, Asset> assetTargetLocations = |
| _assetTargetLocations(nativeAssets); |
| await _copyNativeAssetsAndroid(buildUri_, assetTargetLocations, fileSystem); |
| final Uri nativeAssetsUri = await writeNativeAssetsYaml( |
| assetTargetLocations.values, |
| yamlParentDirectory ?? buildUri_, |
| fileSystem); |
| return (nativeAssetsUri, dependencies.toList()); |
| } |
| |
| Future<void> _copyNativeAssetsAndroid( |
| Uri buildUri, |
| Map<Asset, Asset> assetTargetLocations, |
| FileSystem fileSystem, |
| ) async { |
| if (assetTargetLocations.isNotEmpty) { |
| globals.logger |
| .printTrace('Copying native assets to ${buildUri.toFilePath()}.'); |
| final List<String> jniArchDirs = <String>[ |
| for (final AndroidArch androidArch in AndroidArch.values) |
| androidArch.archName, |
| ]; |
| for (final String jniArchDir in jniArchDirs) { |
| final Uri archUri = buildUri.resolve('jniLibs/lib/$jniArchDir/'); |
| await fileSystem.directory(archUri).create(recursive: true); |
| } |
| for (final MapEntry<Asset, Asset> assetMapping |
| in assetTargetLocations.entries) { |
| final Uri source = (assetMapping.key.path as AssetAbsolutePath).uri; |
| final Uri target = (assetMapping.value.path as AssetAbsolutePath).uri; |
| final AndroidArch androidArch = |
| _getAndroidArch(assetMapping.value.target); |
| final String jniArchDir = androidArch.archName; |
| final Uri archUri = buildUri.resolve('jniLibs/lib/$jniArchDir/'); |
| final Uri targetUri = archUri.resolveUri(target); |
| final String targetFullPath = targetUri.toFilePath(); |
| await fileSystem.file(source).copy(targetFullPath); |
| } |
| globals.logger.printTrace('Copying native assets done.'); |
| } |
| } |
| |
| /// Get the [Target] for [androidArch]. |
| Target _getNativeTarget(AndroidArch androidArch) { |
| switch (androidArch) { |
| case AndroidArch.armeabi_v7a: |
| return Target.androidArm; |
| case AndroidArch.arm64_v8a: |
| return Target.androidArm64; |
| case AndroidArch.x86: |
| return Target.androidIA32; |
| case AndroidArch.x86_64: |
| return Target.androidX64; |
| } |
| } |
| |
| /// Get the [AndroidArch] for [target]. |
| AndroidArch _getAndroidArch(Target target) { |
| switch (target) { |
| case Target.androidArm: |
| return AndroidArch.armeabi_v7a; |
| case Target.androidArm64: |
| return AndroidArch.arm64_v8a; |
| case Target.androidIA32: |
| return AndroidArch.x86; |
| case Target.androidX64: |
| return AndroidArch.x86_64; |
| case Target.androidRiscv64: |
| throwToolExit('Android RISC-V not yet supported.'); |
| default: |
| throwToolExit('Invalid target: $target.'); |
| } |
| } |
| |
| Map<Asset, Asset> _assetTargetLocations(List<Asset> nativeAssets) { |
| return <Asset, Asset>{ |
| for (final Asset asset in nativeAssets) |
| asset: _targetLocationAndroid(asset), |
| }; |
| } |
| |
| /// Converts the `path` of [asset] as output from a `build.dart` invocation to |
| /// the path used inside the Flutter app bundle. |
| Asset _targetLocationAndroid(Asset asset) { |
| final AssetPath path = asset.path; |
| switch (path) { |
| case AssetSystemPath _: |
| case AssetInExecutable _: |
| case AssetInProcess _: |
| return asset; |
| case AssetAbsolutePath _: |
| final String fileName = path.uri.pathSegments.last; |
| return asset.copyWith(path: AssetAbsolutePath(Uri(path: fileName))); |
| } |
| throw Exception( |
| 'Unsupported asset path type ${path.runtimeType} in asset $asset', |
| ); |
| } |
| |
| /// Looks the NDK clang compiler tools. |
| /// |
| /// Tool-exits if the NDK cannot be found. |
| /// |
| /// Should only be invoked if a native assets build is performed. If the native |
| /// assets feature is disabled, or none of the packages have native assets, a |
| /// missing NDK is okay. |
| @override |
| Future<CCompilerConfig> cCompilerConfigAndroid() async { |
| final AndroidSdk? androidSdk = AndroidSdk.locateAndroidSdk(); |
| if (androidSdk == null) { |
| throwToolExit('Android SDK could not be found.'); |
| } |
| final CCompilerConfig result = CCompilerConfig( |
| cc: _toOptionalFileUri(androidSdk.getNdkClangPath()), |
| ar: _toOptionalFileUri(androidSdk.getNdkArPath()), |
| ld: _toOptionalFileUri(androidSdk.getNdkLdPath()), |
| ); |
| if (result.cc == null || result.ar == null || result.ld == null) { |
| throwToolExit('Android NDK Clang could not be found.'); |
| } |
| return result; |
| } |
| |
| Uri? _toOptionalFileUri(String? string) { |
| if (string == null) { |
| return null; |
| } |
| return Uri.file(string); |
| } |