[tools] Apply Android Studio version detection logic to explicitly configured...

[tools] Apply Android Studio version detection logic to explicitly configured installation directory (`flutter config --android-studio-dir`) (#125596)

Fixes #121468 (when considered along with https://github.com/flutter/flutter/pull/125247).

This applies the pre-existing Android Studio version detection logic to the install configured with `flutter config android-studio-dir`.

packages/flutter_tools/lib/src/android/android_studio.dart

@@ -52,7 +52,10 @@ class AndroidStudio {
     _initAndValidate();
   }
 
-  static AndroidStudio? fromMacOSBundle(String bundlePath) {
+  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);
@@ -99,7 +102,12 @@ class AndroidStudio {
         );
       }
     }
-    return AndroidStudio(studioPath, version: version, presetPluginsPath: presetPluginsPath);
+    return AndroidStudio(
+      studioPath,
+      version: version,
+      presetPluginsPath: presetPluginsPath,
+      configuredPath: configuredPath,
+    );
   }
 
   static AndroidStudio? fromHomeDot(Directory homeDotDir) {
@@ -238,24 +246,14 @@ class AndroidStudio {
   /// invalid.
   static AndroidStudio? latestValid() {
     final String? configuredStudioPath = globals.config.getValue('android-studio-dir') as String?;
-    if (configuredStudioPath != null) {
-      String correctedConfiguredStudioPath = configuredStudioPath;
-      if (globals.platform.isMacOS && !correctedConfiguredStudioPath.endsWith('Contents')) {
-        correctedConfiguredStudioPath = globals.fs.path.join(correctedConfiguredStudioPath, 'Contents');
-      }
-
-      if (!globals.fs.directory(correctedConfiguredStudioPath).existsSync()) {
-        throwToolExit('''
+    if (configuredStudioPath != null && !globals.fs.directory(configuredStudioPath).existsSync()) {
+      throwToolExit('''
 Could not find the Android Studio installation at the manually configured path "$configuredStudioPath".
 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 AndroidStudio(correctedConfiguredStudioPath,
-          configuredPath: configuredStudioPath);
     }
 
     // Find all available Studio installations.
@@ -263,6 +261,17 @@ the configured path by running this command: flutter config --android-studio-dir
     if (studios.isEmpty) {
       return null;
     }
+
+    final AndroidStudio? manuallyConfigured = studios
+      .where((AndroidStudio studio) => studio.configuredPath != null &&
+        configuredStudioPath != null &&
+        _pathsAreEqual(studio.configuredPath!, configuredStudioPath))
+      .firstOrNull;
+
+    if (manuallyConfigured != null) {
+      return manuallyConfigured;
+    }
+
     AndroidStudio? newest;
     for (final AndroidStudio studio in studios.where((AndroidStudio s) => s.isValid)) {
       if (newest == null) {
@@ -324,14 +333,15 @@ the configured path by running this command: flutter config --android-studio-dir
     }
 
     final String? configuredStudioDir = globals.config.getValue('android-studio-dir') as String?;
+    FileSystemEntity? configuredStudioDirAsEntity;
     if (configuredStudioDir != null) {
-      FileSystemEntity configuredStudio = globals.fs.file(configuredStudioDir);
-      if (configuredStudio.basename == 'Contents') {
-        configuredStudio = configuredStudio.parent;
+      configuredStudioDirAsEntity = globals.fs.directory(configuredStudioDir);
+      if (configuredStudioDirAsEntity.basename == 'Contents') {
+        configuredStudioDirAsEntity = configuredStudioDirAsEntity.parent;
       }
       if (!candidatePaths
-          .any((FileSystemEntity e) => e.path == configuredStudio.path)) {
-        candidatePaths.add(configuredStudio);
+          .any((FileSystemEntity e) => _pathsAreEqual(e.path, configuredStudioDirAsEntity!.path))) {
+        candidatePaths.add(configuredStudioDirAsEntity);
       }
     }
 
@@ -355,9 +365,18 @@ the configured path by running this command: flutter config --android-studio-dir
     }
 
     return candidatePaths
-        .map<AndroidStudio?>((FileSystemEntity e) => AndroidStudio.fromMacOSBundle(e.path))
-        .whereType<AndroidStudio>()
-        .toList();
+      .map<AndroidStudio?>((FileSystemEntity e) {
+        if (configuredStudioDirAsEntity == null) {
+          return AndroidStudio.fromMacOSBundle(e.path);
+        }
+
+        return AndroidStudio.fromMacOSBundle(
+          e.path,
+          configuredPath: _pathsAreEqual(configuredStudioDirAsEntity.path, e.path) ? configuredStudioDir : null,
+        );
+      })
+      .whereType<AndroidStudio>()
+      .toList();
   }
 
   static List<AndroidStudio> _allLinuxOrWindows() {
@@ -440,7 +459,7 @@ the configured path by running this command: flutter config --android-studio-dir
                 studioAppName: title,
               );
               if (!alreadyFoundStudioAt(studio.directory, newerThan: studio.version)) {
-                studios.removeWhere((AndroidStudio other) => other.directory == studio.directory);
+                studios.removeWhere((AndroidStudio other) => _pathsAreEqual(other.directory, studio.directory));
                 studios.add(studio);
               }
             }
@@ -450,9 +469,23 @@ the configured path by running this command: flutter config --android-studio-dir
     }
 
     final String? configuredStudioDir = globals.config.getValue('android-studio-dir') as String?;
-    if (configuredStudioDir != null && !alreadyFoundStudioAt(configuredStudioDir)) {
-      studios.add(AndroidStudio(configuredStudioDir,
+    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) {
@@ -528,3 +561,7 @@ the configured path by running this command: flutter config --android-studio-dir
   @override
   String toString() => 'Android Studio ($version)';
 }
+
+bool _pathsAreEqual(String path, String other) {
+  return globals.fs.path.canonicalize(path) == globals.fs.path.canonicalize(other);
+}

packages/flutter_tools/test/general.shard/android/android_studio_test.dart

@@ -86,6 +86,7 @@ void main() {
       },
     };
 
+    late Config config;
     late FileSystem fileSystem;
     late FileSystemUtils fsUtils;
     late Platform platform;
@@ -93,6 +94,7 @@ void main() {
     late FakeProcessManager processManager;
 
     setUp(() {
+      config = Config.test();
       fileSystem = MemoryFileSystem.test();
       plistUtils = FakePlistUtils();
       platform = FakePlatform(
@@ -590,14 +592,6 @@ void main() {
 
       final String jdkPathFor2022 = fileSystem.path.join(studioInApplicationPlistFolder, 'jbr', 'Contents', 'Home');
 
-      processManager.addCommand(FakeCommand(
-        command: <String>[
-          fileSystem.path.join(jdkPathFor2022, 'bin', 'java'),
-          '-version',
-        ],
-        stderr: '123',
-      )
-      );
       final AndroidStudio studio = AndroidStudio.fromMacOSBundle(
         fileSystem.directory(studioInApplicationPlistFolder).parent.path,
       )!;
@@ -607,18 +601,70 @@ void main() {
     }, overrides: <Type, Generator>{
       FileSystem: () => fileSystem,
       FileSystemUtils: () => fsUtils,
-      ProcessManager: () => processManager,
+      ProcessManager: () => FakeProcessManager.any(),
       Platform: () => platform,
       PlistParser: () => plistUtils,
     });
 
+    testUsingContext('discovers explicitly configured Android Studio', () {
+      final String extractedDownloadZip = fileSystem.path.join(
+        '/',
+        'Users',
+        'Dash',
+        'Desktop',
+        'android-studio'
+      );
+      config.setValue('android-studio-dir', extractedDownloadZip);
+      final String studioInApplicationPlistFolder = fileSystem.path.join(
+        extractedDownloadZip,
+        'Contents',
+      );
+      fileSystem.directory(studioInApplicationPlistFolder).createSync(recursive: true);
+      final String plistFilePath = fileSystem.path.join(studioInApplicationPlistFolder, 'Info.plist');
+      plistUtils.fileContents[plistFilePath] = macStudioInfoPlist2022_1;
+
+      final String studioInApplicationJavaBinary = fileSystem.path.join(
+        extractedDownloadZip,
+        'Contents', 'jbr', 'Contents', 'Home', 'bin', 'java',
+      );
+
+      processManager.addCommands(<FakeCommand>[
+        FakeCommand(
+          command: const <String>[
+            'mdfind',
+            'kMDItemCFBundleIdentifier="com.google.android.studio*"',
+          ],
+          stdout: extractedDownloadZip,
+        ),
+        FakeCommand(
+          command: <String>[
+            studioInApplicationJavaBinary,
+            '-version',
+          ],
+        ),
+      ]);
+
+      final AndroidStudio studio = AndroidStudio.allInstalled().single;
+
+      expect(studio.configuredPath, extractedDownloadZip);
+      expect(processManager, hasNoRemainingExpectations);
+    }, overrides: <Type, Generator>{
+      Config:() => config,
+      FileSystem: () => fileSystem,
+      FileSystemUtils: () => fsUtils,
+      ProcessManager: () => processManager,
+      Platform: () => platform,
+      PlistParser: () => plistUtils,
+    });
   });
 
   group('installation detection on Windows', () {
+    late Config config;
     late Platform platform;
     late FileSystem fileSystem;
 
     setUp(() {
+      config = Config.test();
       platform = FakePlatform(
         operatingSystem: 'windows',
         environment: <String, String>{
@@ -800,6 +846,27 @@ void main() {
       FileSystem: () => fileSystem,
       ProcessManager: () => FakeProcessManager.any(),
     });
+
+    testUsingContext('discovers explicitly configured Android Studio', () {
+      const String androidStudioDir = r'C:\Users\Dash\Desktop\android-studio';
+      config.setValue('android-studio-dir', androidStudioDir);
+      fileSystem.file(r'C:\Users\Dash\AppData\Local\Google\AndroidStudio2022.1\.home')
+        ..createSync(recursive: true)
+        ..writeAsStringSync(androidStudioDir);
+      fileSystem.directory(androidStudioDir)
+        .createSync(recursive: true);
+
+      final AndroidStudio studio = AndroidStudio.allInstalled().single;
+
+      expect(studio.version, equals(Version(2022, 1, null)));
+      expect(studio.configuredPath, androidStudioDir);
+      expect(studio.javaPath, fileSystem.path.join(androidStudioDir, 'jbr'));
+    }, overrides: <Type, Generator>{
+      Config: () => config,
+      Platform: () => platform,
+      FileSystem: () => fileSystem,
+      ProcessManager: () => FakeProcessManager.any(),
+    });
   });
 
   group('installation detection on Linux', () {
@@ -1015,6 +1082,28 @@ void main() {
         platform: platform,
       ),
     });
+
+    testUsingContext('discovers explicitly configured Android Studio', () {
+      const String androidStudioDir = '/Users/Dash/Desktop/android-studio';
+      config.setValue('android-studio-dir', androidStudioDir);
+      const String studioHome = '$homeLinux/.cache/Google/AndroidStudio2022.3/.home';
+      fileSystem.file(studioHome)
+        ..createSync(recursive: true)
+        ..writeAsStringSync(androidStudioDir);
+      fileSystem.directory(androidStudioDir)
+        .createSync(recursive: true);
+
+      final AndroidStudio studio = AndroidStudio.allInstalled().single;
+
+      expect(studio.version, equals(Version(2022, 3, null)));
+      expect(studio.configuredPath, androidStudioDir);
+      expect(studio.javaPath, fileSystem.path.join(androidStudioDir, 'jbr'));
+    }, overrides: <Type, Generator>{
+      Config: () => config,
+      Platform: () => platform,
+      FileSystem: () => fileSystem,
+      ProcessManager: () => FakeProcessManager.any(),
+    });
   });
 
   group('latestValid', () {
@@ -1162,6 +1251,16 @@ void main() {
       }
 
       expect(AndroidStudio.allInstalled().length, 4);
+
+      for (final String javaPath in validJavaPaths) {
+        (globals.processManager as FakeProcessManager).addCommand(FakeCommand(
+          command: <String>[
+            fileSystem.path.join(javaPath),
+            '-version',
+          ],
+        ));
+      }
+
       final AndroidStudio chosenInstall = AndroidStudio.latestValid()!;
       expect(chosenInstall.directory, configuredAndroidStudioDir);
       expect(chosenInstall.isValid, false);