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// 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 '../base/common.dart';
import '../base/file_system.dart';
import '../base/io.dart';
import '../base/process.dart';
import '../base/utils.dart';
import '../base/version.dart';
import '../convert.dart';
import '../globals.dart' as globals;
import '../ios/plist_parser.dart';
import 'android_studio_validator.dart';
// Android Studio layout:
// Linux/Windows:
// $HOME/.AndroidStudioX.Y/system/.home
// $HOME/.cache/Google/AndroidStudioX.Y/.home
// macOS:
// /Applications/Android Studio.app/Contents/
// $HOME/Applications/Android Studio.app/Contents/
// Match Android Studio >= 4.1 base folder (AndroidStudio*.*)
// and < 4.1 (.AndroidStudio*.*)
final RegExp _dotHomeStudioVersionMatcher =
RegExp(r'^\.?(AndroidStudio[^\d]*)([\d.]+)');
class AndroidStudio {
/// A [version] value of null represents an unknown version.
AndroidStudio(
this.directory, {
this.version,
this.configuredPath,
this.studioAppName = 'AndroidStudio',
this.presetPluginsPath,
}) {
_initAndValidate();
}
static AndroidStudio? fromMacOSBundle(
String bundlePath, {
String? configuredPath,
}) {
final String studioPath = globals.fs.path.join(bundlePath, 'Contents');
final String plistFile = globals.fs.path.join(studioPath, 'Info.plist');
final Map<String, dynamic> plistValues = globals.plistParser.parseFile(plistFile);
// If we've found a JetBrainsToolbox wrapper, ignore it.
if (plistValues.containsKey('JetBrainsToolboxApp')) {
return null;
}
final String? versionString = plistValues[PlistParser.kCFBundleShortVersionStringKey] as String?;
Version? version;
if (versionString != null) {
version = Version.parse(versionString);
}
String? pathsSelectorValue;
final Map<String, dynamic>? jvmOptions = castStringKeyedMap(plistValues['JVMOptions']);
if (jvmOptions != null) {
final Map<String, dynamic>? jvmProperties = castStringKeyedMap(jvmOptions['Properties']);
if (jvmProperties != null) {
pathsSelectorValue = jvmProperties['idea.paths.selector'] as String;
}
}
final int? major = version?.major;
final int? minor = version?.minor;
String? presetPluginsPath;
final String? homeDirPath = globals.fsUtils.homeDirPath;
if (homeDirPath != null && pathsSelectorValue != null) {
if (major != null && major >= 4 && minor != null && minor >= 1) {
presetPluginsPath = globals.fs.path.join(
homeDirPath,
'Library',
'Application Support',
'Google',
pathsSelectorValue,
);
} else {
presetPluginsPath = globals.fs.path.join(
homeDirPath,
'Library',
'Application Support',
pathsSelectorValue,
);
}
}
return AndroidStudio(
studioPath,
version: version,
presetPluginsPath: presetPluginsPath,
configuredPath: configuredPath,
);
}
static AndroidStudio? fromHomeDot(Directory homeDotDir) {
final Match? versionMatch =
_dotHomeStudioVersionMatcher.firstMatch(homeDotDir.basename);
if (versionMatch?.groupCount != 2) {
return null;
}
final Version? version = Version.parse(versionMatch![2]);
final String? studioAppName = versionMatch[1];
if (studioAppName == null || version == null) {
return null;
}
final int major = version.major;
final int minor = version.minor;
// The install path is written in a .home text file,
// it location is in <base dir>/.home for Android Studio >= 4.1
// and <base dir>/system/.home for Android Studio < 4.1
String dotHomeFilePath;
if (major >= 4 && minor >= 1) {
dotHomeFilePath = globals.fs.path.join(homeDotDir.path, '.home');
} else {
dotHomeFilePath =
globals.fs.path.join(homeDotDir.path, 'system', '.home');
}
String? installPath;
try {
installPath = globals.fs.file(dotHomeFilePath).readAsStringSync();
} on Exception {
// ignored, installPath will be null, which is handled below
}
if (installPath != null && globals.fs.isDirectorySync(installPath)) {
return AndroidStudio(
installPath,
version: version,
studioAppName: studioAppName,
);
}
return null;
}
final String directory;
final String studioAppName;
/// The version of Android Studio.
///
/// A null value represents an unknown version.
final Version? version;
final String? configuredPath;
final String? presetPluginsPath;
String? _javaPath;
bool _isValid = false;
final List<String> _validationMessages = <String>[];
/// The path of the JDK bundled with Android Studio.
///
/// This will be null if the bundled JDK could not be found or run.
///
/// If you looking to invoke the java binary or add it to the system
/// environment variables, consider using the [Java] class instead.
String? get javaPath => _javaPath;
bool get isValid => _isValid;
String? get pluginsPath {
if (presetPluginsPath != null) {
return presetPluginsPath!;
}
// TODO(andrewkolos): This is a bug. We shouldn't treat an unknown
// version as equivalent to 0.0.
// See https://github.com/flutter/flutter/issues/121468.
final int major = version?.major ?? 0;
final int minor = version?.minor ?? 0;
final String? homeDirPath = globals.fsUtils.homeDirPath;
if (homeDirPath == null) {
return null;
}
if (globals.platform.isMacOS) {
/// plugin path of Android Studio has been changed after version 4.1.
if (major >= 4 && minor >= 1) {
return globals.fs.path.join(
homeDirPath,
'Library',
'Application Support',
'Google',
'AndroidStudio$major.$minor',
);
} else {
return globals.fs.path.join(
homeDirPath,
'Library',
'Application Support',
'AndroidStudio$major.$minor',
);
}
} else {
// JetBrains Toolbox write plugins here
final String toolboxPluginsPath = '$directory.plugins';
if (globals.fs.directory(toolboxPluginsPath).existsSync()) {
return toolboxPluginsPath;
}
if (major >= 4 && minor >= 1 &&
globals.platform.isLinux) {
return globals.fs.path.join(
homeDirPath,
'.local',
'share',
'Google',
'$studioAppName$major.$minor',
);
}
return globals.fs.path.join(
homeDirPath,
'.$studioAppName$major.$minor',
'config',
'plugins',
);
}
}
List<String> get validationMessages => _validationMessages;
/// Locates the newest, valid version of Android Studio.
///
/// In the case that `--android-studio-dir` is configured, the version of
/// Android Studio found at that location is always returned, even if it is
/// invalid.
static AndroidStudio? latestValid() {
final Directory? configuredStudioDir = _configuredDir();
// Find all available Studio installations.
final List<AndroidStudio> studios = allInstalled();
if (studios.isEmpty) {
return null;
}
final AndroidStudio? manuallyConfigured = studios
.where((AndroidStudio studio) => studio.configuredPath != null &&
configuredStudioDir != null &&
_pathsAreEqual(studio.configuredPath!, configuredStudioDir.path))
.firstOrNull;
if (manuallyConfigured != null) {
return manuallyConfigured;
}
AndroidStudio? newest;
for (final AndroidStudio studio in studios.where((AndroidStudio s) => s.isValid)) {
if (newest == null) {
newest = studio;
continue;
}
// We prefer installs with known versions.
if (studio.version != null && newest.version == null) {
newest = studio;
} else if (studio.version != null && newest.version != null &&
studio.version! > newest.version!) {
newest = studio;
} else if (studio.version == null && newest.version == null &&
studio.directory.compareTo(newest.directory) > 0) {
newest = studio;
}
}
return newest;
}
static List<AndroidStudio> allInstalled() =>
globals.platform.isMacOS ? _allMacOS() : _allLinuxOrWindows();
static List<AndroidStudio> _allMacOS() {
final List<FileSystemEntity> candidatePaths = <FileSystemEntity>[];
void checkForStudio(String path) {
if (!globals.fs.isDirectorySync(path)) {
return;
}
try {
final Iterable<Directory> directories = globals.fs
.directory(path)
.listSync(followLinks: false)
.whereType<Directory>();
for (final Directory directory in directories) {
final String name = directory.basename;
// An exact match, or something like 'Android Studio 3.0 Preview.app'.
if (name.startsWith('Android Studio') && name.endsWith('.app')) {
candidatePaths.add(directory);
} else if (!directory.path.endsWith('.app')) {
checkForStudio(directory.path);
}
}
} on Exception catch (e) {
globals.printTrace('Exception while looking for Android Studio: $e');
}
}
checkForStudio('/Applications');
final String? homeDirPath = globals.fsUtils.homeDirPath;
if (homeDirPath != null) {
checkForStudio(globals.fs.path.join(
homeDirPath,
'Applications',
));
}
Directory? configuredStudioDir = _configuredDir();
if (configuredStudioDir != null) {
if (configuredStudioDir.basename == 'Contents') {
configuredStudioDir = configuredStudioDir.parent;
}
if (!candidatePaths
.any((FileSystemEntity e) => _pathsAreEqual(e.path, configuredStudioDir!.path))) {
candidatePaths.add(configuredStudioDir);
}
}
// Query Spotlight for unexpected installation locations.
String spotlightQueryResult = '';
try {
final ProcessResult spotlightResult = globals.processManager.runSync(<String>[
'mdfind',
// com.google.android.studio, com.google.android.studio-EAP
'kMDItemCFBundleIdentifier="com.google.android.studio*"',
]);
spotlightQueryResult = spotlightResult.stdout as String;
} on ProcessException {
// The Spotlight query is a nice-to-have, continue checking known installation locations.
}
for (final String studioPath in LineSplitter.split(spotlightQueryResult)) {
final Directory appBundle = globals.fs.directory(studioPath);
if (!candidatePaths.any((FileSystemEntity e) => e.path == studioPath)) {
candidatePaths.add(appBundle);
}
}
return candidatePaths
.map<AndroidStudio?>((FileSystemEntity e) {
if (configuredStudioDir == null) {
return AndroidStudio.fromMacOSBundle(e.path);
}
return AndroidStudio.fromMacOSBundle(
e.path,
configuredPath: _pathsAreEqual(configuredStudioDir.path, e.path) ? configuredStudioDir.path : null,
);
})
.whereType<AndroidStudio>()
.toList();
}
static List<AndroidStudio> _allLinuxOrWindows() {
final List<AndroidStudio> studios = <AndroidStudio>[];
bool alreadyFoundStudioAt(String path, { Version? newerThan }) {
return studios.any((AndroidStudio studio) {
if (studio.directory != path) {
return false;
}
if (newerThan != null) {
if (studio.version == null) {
return false;
}
return studio.version!.compareTo(newerThan) >= 0;
}
return true;
});
}
// Read all $HOME/.AndroidStudio*/system/.home
// or $HOME/.cache/Google/AndroidStudio*/.home files.
// There may be several pointing to the same installation,
// so we grab only the latest one.
final String? homeDirPath = globals.fsUtils.homeDirPath;
if (homeDirPath != null && globals.fs.directory(homeDirPath).existsSync()) {
final Directory homeDir = globals.fs.directory(homeDirPath);
final List<Directory> directoriesToSearch = <Directory>[homeDir];
// >=4.1 has new install location at $HOME/.cache/Google
final String cacheDirPath =
globals.fs.path.join(homeDirPath, '.cache', 'Google');
if (globals.fs.isDirectorySync(cacheDirPath)) {
directoriesToSearch.add(globals.fs.directory(cacheDirPath));
}
final List<Directory> entities = <Directory>[];
for (final Directory baseDir in directoriesToSearch) {
final Iterable<Directory> directories =
baseDir.listSync(followLinks: false).whereType<Directory>();
entities.addAll(directories.where((Directory directory) =>
_dotHomeStudioVersionMatcher.hasMatch(directory.basename)));
}
for (final Directory entity in entities) {
final AndroidStudio? studio = AndroidStudio.fromHomeDot(entity);
if (studio != null && !alreadyFoundStudioAt(studio.directory, newerThan: studio.version)) {
studios.removeWhere((AndroidStudio other) => other.directory == studio.directory);
studios.add(studio);
}
}
}
// Discover Android Studio > 4.1
if (globals.platform.isWindows && globals.platform.environment.containsKey('LOCALAPPDATA')) {
final Directory cacheDir = globals.fs.directory(globals.fs.path.join(globals.platform.environment['LOCALAPPDATA']!, 'Google'));
if (!cacheDir.existsSync()) {
return studios;
}
for (final Directory dir in cacheDir.listSync().whereType<Directory>()) {
final String name = globals.fs.path.basename(dir.path);
AndroidStudioValidator.idToTitle.forEach((String id, String title) {
if (name.startsWith(id)) {
final String version = name.substring(id.length);
String? installPath;
try {
installPath = globals.fs.file(globals.fs.path.join(dir.path, '.home')).readAsStringSync();
} on FileSystemException {
// ignored
}
if (installPath != null && globals.fs.isDirectorySync(installPath)) {
final AndroidStudio studio = AndroidStudio(
installPath,
version: Version.parse(version),
studioAppName: title,
);
if (!alreadyFoundStudioAt(studio.directory, newerThan: studio.version)) {
studios.removeWhere((AndroidStudio other) => _pathsAreEqual(other.directory, studio.directory));
studios.add(studio);
}
}
}
});
}
}
final String? configuredStudioDir = globals.config.getValue('android-studio-dir') as String?;
if (configuredStudioDir != null) {
final AndroidStudio? matchingAlreadyFoundInstall = studios
.where((AndroidStudio other) => _pathsAreEqual(configuredStudioDir, other.directory))
.firstOrNull;
if (matchingAlreadyFoundInstall != null) {
studios.remove(matchingAlreadyFoundInstall);
studios.add(
AndroidStudio(
configuredStudioDir,
configuredPath: configuredStudioDir,
version: matchingAlreadyFoundInstall.version,
),
);
} else {
studios.add(AndroidStudio(configuredStudioDir,
configuredPath: configuredStudioDir));
}
}
if (globals.platform.isLinux) {
void checkWellKnownPath(String path) {
if (globals.fs.isDirectorySync(path) && !alreadyFoundStudioAt(path)) {
studios.add(AndroidStudio(path));
}
}
// Add /opt/android-studio and $HOME/android-studio, if they exist.
checkWellKnownPath('/opt/android-studio');
checkWellKnownPath('${globals.fsUtils.homeDirPath}/android-studio');
}
return studios;
}
/// Gets the Android Studio install directory set by the user, if it is configured.
///
/// The returned [Directory], if not null, is guaranteed to have existed during
/// this function's execution.
static Directory? _configuredDir() {
final String? configuredPath = globals.config.getValue('android-studio-dir') as String?;
if (configuredPath == null) {
return null;
}
final Directory result = globals.fs.directory(configuredPath);
bool? configuredStudioPathExists;
String? exceptionMessage;
try {
configuredStudioPathExists = result.existsSync();
} on FileSystemException catch (e) {
exceptionMessage = e.toString();
}
if (configuredStudioPathExists == false || exceptionMessage != null) {
throwToolExit('''
Could not find the Android Studio installation at the manually configured path "$configuredPath".
${exceptionMessage == null ? '' : 'Encountered exception: $exceptionMessage\n\n'}
Please verify that the path is correct and update it by running this command: flutter config --android-studio-dir '<path>'
To have flutter search for Android Studio installations automatically, remove
the configured path by running this command: flutter config --android-studio-dir
''');
}
return result;
}
static String? extractStudioPlistValueWithMatcher(String plistValue, RegExp keyMatcher) {
return keyMatcher.stringMatch(plistValue)?.split('=').last.trim().replaceAll('"', '');
}
void _initAndValidate() {
_isValid = false;
_validationMessages.clear();
if (configuredPath != null) {
_validationMessages.add('android-studio-dir = $configuredPath');
}
if (!globals.fs.isDirectorySync(directory)) {
_validationMessages.add('Android Studio not found at $directory');
return;
}
final String javaPath;
if (globals.platform.isMacOS) {
if (version != null && version!.major < 2020) {
javaPath = globals.fs.path.join(directory, 'jre', 'jdk', 'Contents', 'Home');
} else if (version != null && version!.major < 2022) {
javaPath = globals.fs.path.join(directory, 'jre', 'Contents', 'Home');
// See https://github.com/flutter/flutter/issues/125246 for more context.
} else {
javaPath = globals.fs.path.join(directory, 'jbr', 'Contents', 'Home');
}
} else {
if (version != null && version!.major < 2022) {
javaPath = globals.fs.path.join(directory, 'jre');
} else {
javaPath = globals.fs.path.join(directory, 'jbr');
}
}
final String javaExecutable = globals.fs.path.join(javaPath, 'bin', 'java');
if (!globals.processManager.canRun(javaExecutable)) {
_validationMessages.add('Unable to find bundled Java version.');
} else {
RunResult? result;
try {
result = globals.processUtils.runSync(<String>[javaExecutable, '-version']);
} on ProcessException catch (e) {
_validationMessages.add('Failed to run Java: $e');
}
if (result != null && result.exitCode == 0) {
final List<String> versionLines = result.stderr.split('\n');
final String javaVersion = versionLines.length >= 2 ? versionLines[1] : versionLines[0];
_validationMessages.add('Java version $javaVersion');
_javaPath = javaPath;
_isValid = true;
} else {
_validationMessages.add('Unable to determine bundled Java version.');
}
}
}
@override
String toString() => 'Android Studio ($version)';
}
bool _pathsAreEqual(String path, String other) {
return globals.fs.path.canonicalize(path) == globals.fs.path.canonicalize(other);
}