Adding vmservice to get iOS app settings (#123156)

fixes https://github.com/flutter/flutter/issues/120405

packages/flutter_tools/lib/src/commands/build_ios.dart

@@ -376,11 +376,11 @@ class BuildIOSArchiveCommand extends _BuildIOSSubCommand {
 
     final Map<String, String?> xcodeProjectSettingsMap = <String, String?>{};
 
-    xcodeProjectSettingsMap['Version Number'] = globals.plistParser.getStringValueFromFile(plistPath, PlistParser.kCFBundleShortVersionStringKey);
-    xcodeProjectSettingsMap['Build Number'] = globals.plistParser.getStringValueFromFile(plistPath, PlistParser.kCFBundleVersionKey);
-    xcodeProjectSettingsMap['Display Name'] = globals.plistParser.getStringValueFromFile(plistPath, PlistParser.kCFBundleDisplayNameKey);
-    xcodeProjectSettingsMap['Deployment Target'] = globals.plistParser.getStringValueFromFile(plistPath, PlistParser.kMinimumOSVersionKey);
-    xcodeProjectSettingsMap['Bundle Identifier'] = globals.plistParser.getStringValueFromFile(plistPath, PlistParser.kCFBundleIdentifierKey);
+    xcodeProjectSettingsMap['Version Number'] = globals.plistParser.getValueFromFile<String>(plistPath, PlistParser.kCFBundleShortVersionStringKey);
+    xcodeProjectSettingsMap['Build Number'] = globals.plistParser.getValueFromFile<String>(plistPath, PlistParser.kCFBundleVersionKey);
+    xcodeProjectSettingsMap['Display Name'] = globals.plistParser.getValueFromFile<String>(plistPath, PlistParser.kCFBundleDisplayNameKey);
+    xcodeProjectSettingsMap['Deployment Target'] = globals.plistParser.getValueFromFile<String>(plistPath, PlistParser.kMinimumOSVersionKey);
+    xcodeProjectSettingsMap['Bundle Identifier'] = globals.plistParser.getValueFromFile<String>(plistPath, PlistParser.kCFBundleIdentifierKey);
 
     final List<ValidationMessage> validationMessages = xcodeProjectSettingsMap.entries.map((MapEntry<String, String?> entry) {
       final String title = entry.key;

packages/flutter_tools/lib/src/intellij/intellij_validator.dart

@@ -494,7 +494,7 @@ class IntelliJValidatorOnMac extends IntelliJValidator {
 
   @override
   String get version {
-    return _version ??= _plistParser.getStringValueFromFile(
+    return _version ??= _plistParser.getValueFromFile<String>(
         plistFile,
         PlistParser.kCFBundleShortVersionStringKey,
       ) ?? 'unknown';
@@ -508,7 +508,7 @@ class IntelliJValidatorOnMac extends IntelliJValidator {
     }
 
     final String? altLocation = _plistParser
-      .getStringValueFromFile(plistFile, 'JetBrainsToolboxApp');
+      .getValueFromFile<String>(plistFile, 'JetBrainsToolboxApp');
 
     if (altLocation != null) {
       _pluginsPath = '$altLocation.plugins';

packages/flutter_tools/lib/src/ios/application_package.dart

@@ -58,7 +58,7 @@ abstract class IOSApp extends ApplicationPackage {
       globals.printError('Invalid prebuilt iOS app. Does not contain Info.plist.');
       return null;
     }
-    final String? id = globals.plistParser.getStringValueFromFile(
+    final String? id = globals.plistParser.getValueFromFile<String>(
       plistPath,
       PlistParser.kCFBundleIdentifierKey,
     );

packages/flutter_tools/lib/src/ios/devices.dart

@@ -451,7 +451,7 @@ class IOSDevice extends Device {
         _logger.printError('');
         return LaunchResult.failed();
       }
-      packageId = buildResult.xcodeBuildExecution?.buildSettings['PRODUCT_BUNDLE_IDENTIFIER'];
+      packageId = buildResult.xcodeBuildExecution?.buildSettings[IosProject.kProductBundleIdKey];
     }
 
     packageId ??= package.id;

packages/flutter_tools/lib/src/ios/plist_parser.dart

@@ -24,6 +24,7 @@ class PlistParser {
   final Logger _logger;
   final ProcessUtils _processUtils;
 
+  // info.pList keys
   static const String kCFBundleIdentifierKey = 'CFBundleIdentifier';
   static const String kCFBundleShortVersionStringKey = 'CFBundleShortVersionString';
   static const String kCFBundleExecutableKey = 'CFBundleExecutable';
@@ -32,6 +33,9 @@ class PlistParser {
   static const String kMinimumOSVersionKey = 'MinimumOSVersion';
   static const String kNSPrincipalClassKey = 'NSPrincipalClass';
 
+  // entitlement file keys
+  static const String kAssociatedDomainsKey = 'com.apple.developer.associated-domains';
+
   static const String _plutilExecutable = '/usr/bin/plutil';
 
   /// Returns the content, converted to XML, of the plist file located at
@@ -164,8 +168,8 @@ class PlistParser {
     return null;
   }
 
-  /// Parses the Plist file located at [plistFilePath] and returns the string
-  /// value that's associated with the specified [key] within the property list.
+  /// Parses the Plist file located at [plistFilePath] and returns the value
+  /// that's associated with the specified [key] within the property list.
   ///
   /// If [plistFilePath] points to a non-existent file or a file that's not a
   /// valid property list file, this will return null.
@@ -173,8 +177,8 @@ class PlistParser {
   /// If [key] is not found in the property list, this will return null.
   ///
   /// The [plistFilePath] and [key] arguments must not be null.
-  String? getStringValueFromFile(String plistFilePath, String key) {
+  T? getValueFromFile<T>(String plistFilePath, String key) {
     final Map<String, dynamic> parsed = parseFile(plistFilePath);
-    return parsed[key] as String?;
+    return parsed[key] as T?;
   }
 }

packages/flutter_tools/lib/src/ios/simulators.dart

@@ -468,7 +468,7 @@ class IOSSimulator extends Device {
       // parsing the xcodeproj or configuration files.
       // See https://github.com/flutter/flutter/issues/31037 for more information.
       final String plistPath = globals.fs.path.join(package.simulatorBundlePath, 'Info.plist');
-      final String? bundleIdentifier = globals.plistParser.getStringValueFromFile(plistPath, PlistParser.kCFBundleIdentifierKey);
+      final String? bundleIdentifier = globals.plistParser.getValueFromFile<String>(plistPath, PlistParser.kCFBundleIdentifierKey);
       if (bundleIdentifier == null) {
         globals.printError('Invalid prebuilt iOS app. Info.plist does not contain bundle identifier');
         return LaunchResult.failed();

packages/flutter_tools/lib/src/ios/xcodeproj.dart

@@ -185,6 +185,7 @@ class XcodeProjectInterpreter {
     final Status status = _logger.startSpinner();
     final String? scheme = buildContext.scheme;
     final String? configuration = buildContext.configuration;
+    final String? target = buildContext.target;
     final String? deviceId = buildContext.deviceId;
     final List<String> showBuildSettingsCommand = <String>[
       ...xcrunCommand(),
@@ -195,6 +196,8 @@ class XcodeProjectInterpreter {
         ...<String>['-scheme', scheme],
       if (configuration != null)
         ...<String>['-configuration', configuration],
+      if (target != null)
+        ...<String>['-target', target],
       if (buildContext.environmentType == EnvironmentType.simulator)
         ...<String>['-sdk', 'iphonesimulator'],
       '-destination',
@@ -380,6 +383,7 @@ class XcodeProjectBuildContext {
     this.configuration,
     this.environmentType = EnvironmentType.physical,
     this.deviceId,
+    this.target,
     this.isWatch = false,
   });
 
@@ -387,10 +391,11 @@ class XcodeProjectBuildContext {
   final String? configuration;
   final EnvironmentType environmentType;
   final String? deviceId;
+  final String? target;
   final bool isWatch;
 
   @override
-  int get hashCode => Object.hash(scheme, configuration, environmentType, deviceId);
+  int get hashCode => Object.hash(scheme, configuration, environmentType, deviceId, target);
 
   @override
   bool operator ==(Object other) {
@@ -402,10 +407,26 @@ class XcodeProjectBuildContext {
         other.configuration == configuration &&
         other.deviceId == deviceId &&
         other.environmentType == environmentType &&
-        other.isWatch == isWatch;
+        other.isWatch == isWatch &&
+        other.target == target;
   }
 }
 
+/// The settings that are relevant for setting up universal links
+@immutable
+class XcodeUniversalLinkSettings {
+  const XcodeUniversalLinkSettings({
+    this.bundleIdentifier,
+    this.teamIdentifier,
+    this.associatedDomains = const <String>[],
+  });
+
+  final String? bundleIdentifier;
+  final String? teamIdentifier;
+  final List<String> associatedDomains;
+}
+
+
 /// Information about an Xcode project.
 ///
 /// Represents the output of `xcodebuild -list`.

packages/flutter_tools/lib/src/macos/migrations/flutter_application_migration.dart

@@ -27,7 +27,7 @@ class FlutterApplicationMigration extends ProjectMigrator {
   void migrate() {
     if (_infoPlistFile.existsSync()) {
       final String? principalClass =
-          globals.plistParser.getStringValueFromFile(_infoPlistFile.path, PlistParser.kNSPrincipalClassKey);
+          globals.plistParser.getValueFromFile<String>(_infoPlistFile.path, PlistParser.kNSPrincipalClassKey);
       if (principalClass == null || principalClass == 'NSApplication') {
         // No NSPrincipalClass defined, or already converted. No migration
         // needed.

packages/flutter_tools/lib/src/vmservice.dart

@@ -41,6 +41,7 @@ const String kFlutterMemoryInfoServiceName = 'flutterMemoryInfo';
 const String kFlutterGetSkSLServiceName = 'flutterGetSkSL';
 const String kFlutterGetIOSBuildOptionsServiceName = 'flutterGetIOSBuildOptions';
 const String kFlutterGetAndroidBuildVariantsServiceName = 'flutterGetAndroidBuildVariants';
+const String kFlutterGetIOSDeeplinkSettingsServiceName = 'flutterGetIOSDeeplinkSettings';
 
 /// The error response code from an unrecoverable compilation failure.
 const int kIsolateReloadBarred = 1005;
@@ -337,6 +338,25 @@ Future<vm_service.VmService> setUpVmService({
     registrationRequests.add(
       vmService.registerService(kFlutterGetAndroidBuildVariantsServiceName, kFlutterToolAlias),
     );
+
+    vmService.registerServiceCallback(kFlutterGetIOSDeeplinkSettingsServiceName, (Map<String, Object?> params) async {
+      final XcodeUniversalLinkSettings settings = await flutterProject.ios.universalLinkSettings(
+        configuration: params['configuration']! as String,
+        scheme: params['scheme']! as String,
+        target: params['target']! as String,
+      );
+      return <String, Object>{
+        'result': <String, Object>{
+          kResultType: kResultTypeSuccess,
+          'bundleIdentifier': settings.bundleIdentifier ?? '',
+          'teamIdentifier': settings.teamIdentifier ?? '',
+          'associatedDomains': settings.associatedDomains,
+        },
+      };
+    });
+    registrationRequests.add(
+      vmService.registerService(kFlutterGetIOSDeeplinkSettingsServiceName, 'Flutter Tools'),
+    );
   }
 
   if (printStructuredErrorLogMethod != null) {

packages/flutter_tools/lib/src/xcode_project.dart

@@ -124,8 +124,16 @@ class IosProject extends XcodeBasedProject {
   @override
   String get pluginConfigKey => IOSPlugin.kConfigKey;
 
-  static final RegExp _productBundleIdPattern = RegExp(r'''^\s*PRODUCT_BUNDLE_IDENTIFIER\s*=\s*(["']?)(.*?)\1;\s*$''');
-  static const String _productBundleIdVariable = r'$(PRODUCT_BUNDLE_IDENTIFIER)';
+  // build setting keys
+  static const String kProductBundleIdKey = 'PRODUCT_BUNDLE_IDENTIFIER';
+  static const String kTeamIdKey = 'DEVELOPMENT_TEAM';
+  static const String kEntitlementFilePathKey = 'CODE_SIGN_ENTITLEMENTS';
+  static const String kHostAppBundleNameKey = 'FULL_PRODUCT_NAME';
+
+  static final RegExp _productBundleIdPattern = RegExp('^\\s*$kProductBundleIdKey\\s*=\\s*(["\']?)(.*?)\\1;\\s*\$');
+  static const String _kProductBundleIdVariable = '\$($kProductBundleIdKey)';
+
+  static final RegExp _associatedDomainPattern = RegExp(r'^applinks:(.*)');
 
   Directory get ephemeralModuleDirectory => parent.directory.childDirectory('.ios');
   Directory get _editableDirectory => parent.directory.childDirectory('ios');
@@ -203,24 +211,71 @@ class IosProject extends XcodeBasedProject {
     return parent.isModule || _editableDirectory.existsSync();
   }
 
+  Future<XcodeUniversalLinkSettings> universalLinkSettings({
+    required String configuration,
+    required String scheme,
+    required String target,
+  }) async {
+    final XcodeProjectBuildContext context = XcodeProjectBuildContext(
+      configuration: configuration,
+      scheme: scheme,
+      target: target,
+    );
+
+    return XcodeUniversalLinkSettings(
+      bundleIdentifier: await _productBundleIdentifierWithBuildContext(context),
+      teamIdentifier: await _getTeamIdentifier(context),
+      associatedDomains: await _getAssociatedDomains(context),
+    );
+  }
+
   /// The product bundle identifier of the host app, or null if not set or if
   /// iOS tooling needed to read it is not installed.
   Future<String?> productBundleIdentifier(BuildInfo? buildInfo) async {
     if (!existsSync()) {
       return null;
     }
-    return _productBundleIdentifier ??= await _parseProductBundleIdentifier(buildInfo);
+
+    XcodeProjectBuildContext? buildContext;
+    final XcodeProjectInfo? info = await projectInfo();
+    if (info != null) {
+      final String? scheme = info.schemeFor(buildInfo);
+      if (scheme == null) {
+        info.reportFlavorNotFoundAndExit();
+      }
+      final String? configuration = info.buildConfigurationFor(
+        buildInfo,
+        scheme,
+      );
+      buildContext = XcodeProjectBuildContext(
+        configuration: configuration,
+        scheme: scheme,
+      );
+    }
+    return _productBundleIdentifierWithBuildContext(buildContext);
+  }
+
+  Future<String?> _productBundleIdentifierWithBuildContext(XcodeProjectBuildContext? buildContext) async {
+    if (!existsSync()) {
+      return null;
+    }
+    if (_productBundleIdentifiers.containsKey(buildContext)) {
+      return _productBundleIdentifiers[buildContext];
+    }
+    return _productBundleIdentifiers[buildContext] = await _parseProductBundleIdentifier(buildContext);
   }
-  String? _productBundleIdentifier;
 
-  Future<String?> _parseProductBundleIdentifier(BuildInfo? buildInfo) async {
+  final Map<XcodeProjectBuildContext?, String?> _productBundleIdentifiers = <XcodeProjectBuildContext?, String?>{};
+
+
+  Future<String?> _parseProductBundleIdentifier(XcodeProjectBuildContext? buildContext) async {
     String? fromPlist;
     final File defaultInfoPlist = defaultHostInfoPlist;
     // Users can change the location of the Info.plist.
     // Try parsing the default, first.
     if (defaultInfoPlist.existsSync()) {
       try {
-        fromPlist = globals.plistParser.getStringValueFromFile(
+        fromPlist = globals.plistParser.getValueFromFile<String>(
           defaultHostInfoPlist.path,
           PlistParser.kCFBundleIdentifierKey,
         );
@@ -232,13 +287,18 @@ class IosProject extends XcodeBasedProject {
         return fromPlist;
       }
     }
-    final Map<String, String>? allBuildSettings = await buildSettingsForBuildInfo(buildInfo);
+    if (buildContext == null) {
+      // Getting build settings to evaluate info.Plist requires a context.
+      return null;
+    }
+
+    final Map<String, String>? allBuildSettings = await _buildSettingsForXcodeProjectBuildContext(buildContext);
     if (allBuildSettings != null) {
       if (fromPlist != null) {
         // Perform variable substitution using build settings.
         return substituteXcodeVariables(fromPlist, allBuildSettings);
       }
-      return allBuildSettings['PRODUCT_BUNDLE_IDENTIFIER'];
+      return allBuildSettings[kProductBundleIdKey];
     }
 
     // On non-macOS platforms, parse the first PRODUCT_BUNDLE_IDENTIFIER from
@@ -248,13 +308,48 @@ class IosProject extends XcodeBasedProject {
     // only used for display purposes and to regenerate organization names, so
     // best-effort is probably fine.
     final String? fromPbxproj = firstMatchInFile(xcodeProjectInfoFile, _productBundleIdPattern)?.group(2);
-    if (fromPbxproj != null && (fromPlist == null || fromPlist == _productBundleIdVariable)) {
+    if (fromPbxproj != null && (fromPlist == null || fromPlist == _kProductBundleIdVariable)) {
       return fromPbxproj;
     }
+    return null;
+  }
 
+  Future<String?> _getTeamIdentifier(XcodeProjectBuildContext buildContext) async {
+    final Map<String, String>? buildSettings = await _buildSettingsForXcodeProjectBuildContext(buildContext);
+    if (buildSettings != null) {
+      return buildSettings[kTeamIdKey];
+    }
     return null;
   }
 
+  Future<List<String>> _getAssociatedDomains(XcodeProjectBuildContext buildContext) async {
+    final Map<String, String>? buildSettings = await _buildSettingsForXcodeProjectBuildContext(buildContext);
+    if (buildSettings != null) {
+      final String? entitlementPath = buildSettings[kEntitlementFilePathKey];
+      if (entitlementPath != null) {
+        final File entitlement = hostAppRoot.childFile(entitlementPath);
+        if (entitlement.existsSync()) {
+          final List<String>? domains = globals.plistParser.getValueFromFile<List<Object>>(
+            entitlement.path,
+            PlistParser.kAssociatedDomainsKey,
+          )?.cast<String>();
+
+          if (domains != null) {
+            final List<String> result = <String>[];
+            for (final String domain in domains) {
+              final RegExpMatch? match = _associatedDomainPattern.firstMatch(domain);
+              if (match != null) {
+                result.add(match.group(1)!);
+              }
+            }
+            return result;
+          }
+        }
+      }
+    }
+    return const <String>[];
+  }
+
   /// The bundle name of the host app, `My App.app`.
   Future<String?> hostAppBundleName(BuildInfo? buildInfo) async {
     if (!existsSync()) {
@@ -273,11 +368,11 @@ class IosProject extends XcodeBasedProject {
     if (globals.xcodeProjectInterpreter?.isInstalled ?? false) {
       final Map<String, String>? xcodeBuildSettings = await buildSettingsForBuildInfo(buildInfo);
       if (xcodeBuildSettings != null) {
-        productName = xcodeBuildSettings['FULL_PRODUCT_NAME'];
+        productName = xcodeBuildSettings[kHostAppBundleNameKey];
       }
     }
     if (productName == null) {
-      globals.printTrace('FULL_PRODUCT_NAME not present, defaulting to $hostAppProjectName');
+      globals.printTrace('$kHostAppBundleNameKey not present, defaulting to $hostAppProjectName');
     }
     return productName ?? '${XcodeBasedProject._defaultHostAppName}.app';
   }
@@ -287,9 +382,11 @@ class IosProject extends XcodeBasedProject {
   /// Returns null, if iOS tooling is unavailable.
   Future<Map<String, String>?> buildSettingsForBuildInfo(
     BuildInfo? buildInfo, {
+    String? scheme,
+    String? configuration,
+    String? target,
     EnvironmentType environmentType = EnvironmentType.physical,
     String? deviceId,
-    String? scheme,
     bool isWatch = false,
   }) async {
     if (!existsSync()) {
@@ -300,24 +397,31 @@ class IosProject extends XcodeBasedProject {
       return null;
     }
 
+    scheme ??= info.schemeFor(buildInfo);
     if (scheme == null) {
-      scheme = info.schemeFor(buildInfo);
-      if (scheme == null) {
-        info.reportFlavorNotFoundAndExit();
-      }
+      info.reportFlavorNotFoundAndExit();
     }
 
-    final String? configuration = (await projectInfo())?.buildConfigurationFor(
+    configuration ??= (await projectInfo())?.buildConfigurationFor(
       buildInfo,
       scheme,
     );
-    final XcodeProjectBuildContext buildContext = XcodeProjectBuildContext(
-      environmentType: environmentType,
-      scheme: scheme,
-      configuration: configuration,
-      deviceId: deviceId,
-      isWatch: isWatch,
+    return _buildSettingsForXcodeProjectBuildContext(
+      XcodeProjectBuildContext(
+        environmentType: environmentType,
+        scheme: scheme,
+        configuration: configuration,
+        target: target,
+        deviceId: deviceId,
+        isWatch: isWatch,
+      ),
     );
+  }
+
+  Future<Map<String, String>?> _buildSettingsForXcodeProjectBuildContext(XcodeProjectBuildContext buildContext) async {
+    if (!existsSync()) {
+      return null;
+    }
     final Map<String, String>? currentBuildSettings = _buildSettingsByBuildContext[buildContext];
     if (currentBuildSettings == null) {
       final Map<String, String>? calculatedBuildSettings = await _xcodeProjectBuildSettings(buildContext);
@@ -381,7 +485,7 @@ class IosProject extends XcodeBasedProject {
       // In older versions of Xcode, if the target was a watchOS companion app,
       // the Info.plist file of the target contained the key WKCompanionAppBundleIdentifier.
       if (infoFile.existsSync()) {
-        final String? fromPlist = globals.plistParser.getStringValueFromFile(infoFile.path, 'WKCompanionAppBundleIdentifier');
+        final String? fromPlist = globals.plistParser.getValueFromFile<String>(infoFile.path, 'WKCompanionAppBundleIdentifier');
         if (bundleIdentifier == fromPlist) {
           return true;
         }

packages/flutter_tools/test/commands.shard/hermetic/build_ipa_test.dart

@@ -62,8 +62,8 @@ class FakePlistUtils extends Fake implements PlistParser {
   final Map<String, Map<String, Object>> fileContents = <String, Map<String, Object>>{};
 
   @override
-  String? getStringValueFromFile(String plistFilePath, String key) {
-    return fileContents[plistFilePath]![key] as String?;
+  T? getValueFromFile<T>(String plistFilePath, String key) {
+    return fileContents[plistFilePath]![key] as T?;
   }
 }
 

packages/flutter_tools/test/general.shard/macos/macos_project_migration_test.dart

@@ -329,7 +329,7 @@ platform :osx, '10.14'
       );
       infoPlistFile.writeAsStringSync('contents'); // Just so it exists: parser is a fake.
       macOSProjectMigration.migrate();
-      expect(fakePlistParser.getStringValueFromFile(infoPlistFile.path, PlistParser.kNSPrincipalClassKey), isNull);
+      expect(fakePlistParser.getValueFromFile<String>(infoPlistFile.path, PlistParser.kNSPrincipalClassKey), isNull);
       expect(testLogger.statusText, isEmpty);
     });
 
@@ -341,7 +341,7 @@ platform :osx, '10.14'
       );
       infoPlistFile.writeAsStringSync('contents'); // Just so it exists: parser is a fake.
       macOSProjectMigration.migrate();
-      expect(fakePlistParser.getStringValueFromFile(infoPlistFile.path, PlistParser.kNSPrincipalClassKey), 'NSApplication');
+      expect(fakePlistParser.getValueFromFile<String>(infoPlistFile.path, PlistParser.kNSPrincipalClassKey), 'NSApplication');
       expect(testLogger.statusText, isEmpty);
     });
 
@@ -353,7 +353,7 @@ platform :osx, '10.14'
       );
       infoPlistFile.writeAsStringSync('contents'); // Just so it exists: parser is a fake.
       macOSProjectMigration.migrate();
-      expect(fakePlistParser.getStringValueFromFile(infoPlistFile.path, PlistParser.kNSPrincipalClassKey), 'NSApplication');
+      expect(fakePlistParser.getValueFromFile<String>(infoPlistFile.path, PlistParser.kNSPrincipalClassKey), 'NSApplication');
       // Only print once.
       expect('Updating ${infoPlistFile.basename} to use NSApplication instead of FlutterApplication.'.allMatches(testLogger.statusText).length, 1);
     });
@@ -367,7 +367,7 @@ platform :osx, '10.14'
       );
       infoPlistFile.writeAsStringSync('contents'); // Just so it exists: parser is a fake.
       macOSProjectMigration.migrate();
-      expect(fakePlistParser.getStringValueFromFile(infoPlistFile.path, PlistParser.kNSPrincipalClassKey), differentApp);
+      expect(fakePlistParser.getValueFromFile<String>(infoPlistFile.path, PlistParser.kNSPrincipalClassKey), differentApp);
       expect(testLogger.traceText, isEmpty);
     });
   });

packages/flutter_tools/test/general.shard/resident_web_runner_test.dart

@@ -82,6 +82,10 @@ const List<VmServiceExpectation> kAttachIsolateExpectations =
     'service': kFlutterGetAndroidBuildVariantsServiceName,
     'alias': kFlutterToolAlias,
   }),
+  FakeVmServiceRequest(method: 'registerService', args: <String, Object>{
+    'service': kFlutterGetIOSDeeplinkSettingsServiceName,
+    'alias': 'Flutter Tools',
+  }),
   FakeVmServiceRequest(
     method: 'streamListen',
     args: <String, Object>{

packages/flutter_tools/test/integration.shard/plist_parser_test.dart

@@ -74,52 +74,52 @@ void main() {
     file.deleteSync();
   });
 
-  testWithoutContext('PlistParser.getStringValueFromFile works with an XML file', () {
+  testWithoutContext('PlistParser.getValueFromFile<String> works with an XML file', () {
     file.writeAsBytesSync(base64.decode(base64PlistXml));
 
-    expect(parser.getStringValueFromFile(file.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
-    expect(parser.getStringValueFromFile(file.absolute.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
+    expect(parser.getValueFromFile<String>(file.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
+    expect(parser.getValueFromFile<String>(file.absolute.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
     expect(logger.statusText, isEmpty);
     expect(logger.errorText, isEmpty);
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.
 
-  testWithoutContext('PlistParser.getStringValueFromFile works with a binary file', () {
+  testWithoutContext('PlistParser.getValueFromFile<String> works with a binary file', () {
     file.writeAsBytesSync(base64.decode(base64PlistBinary));
 
-    expect(parser.getStringValueFromFile(file.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
-    expect(parser.getStringValueFromFile(file.absolute.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
+    expect(parser.getValueFromFile<String>(file.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
+    expect(parser.getValueFromFile<String>(file.absolute.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
     expect(logger.statusText, isEmpty);
     expect(logger.errorText, isEmpty);
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.
 
-  testWithoutContext('PlistParser.getStringValueFromFile works with a JSON file', () {
+  testWithoutContext('PlistParser.getValueFromFile<String> works with a JSON file', () {
     file.writeAsBytesSync(base64.decode(base64PlistJson));
 
-    expect(parser.getStringValueFromFile(file.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
-    expect(parser.getStringValueFromFile(file.absolute.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
+    expect(parser.getValueFromFile<String>(file.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
+    expect(parser.getValueFromFile<String>(file.absolute.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
     expect(logger.statusText, isEmpty);
     expect(logger.errorText, isEmpty);
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.
 
-  testWithoutContext('PlistParser.getStringValueFromFile returns null for a non-existent plist file', () {
-    expect(parser.getStringValueFromFile('missing.plist', 'CFBundleIdentifier'), null);
+  testWithoutContext('PlistParser.getValueFromFile<String> returns null for a non-existent plist file', () {
+    expect(parser.getValueFromFile<String>('missing.plist', 'CFBundleIdentifier'), null);
     expect(logger.statusText, isEmpty);
     expect(logger.errorText, isEmpty);
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.
 
-  testWithoutContext('PlistParser.getStringValueFromFile returns null for a non-existent key within a plist', () {
+  testWithoutContext('PlistParser.getValueFromFile<String> returns null for a non-existent key within a plist', () {
     file.writeAsBytesSync(base64.decode(base64PlistXml));
 
-    expect(parser.getStringValueFromFile(file.path, 'BadKey'), null);
-    expect(parser.getStringValueFromFile(file.absolute.path, 'BadKey'), null);
+    expect(parser.getValueFromFile<String>(file.path, 'BadKey'), null);
+    expect(parser.getValueFromFile<String>(file.absolute.path, 'BadKey'), null);
     expect(logger.statusText, isEmpty);
     expect(logger.errorText, isEmpty);
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.
 
-  testWithoutContext('PlistParser.getStringValueFromFile returns null for a malformed plist file', () {
+  testWithoutContext('PlistParser.getValueFromFile<String> returns null for a malformed plist file', () {
     file.writeAsBytesSync(const <int>[1, 2, 3, 4, 5, 6]);
 
-    expect(parser.getStringValueFromFile(file.path, 'CFBundleIdentifier'), null);
+    expect(parser.getValueFromFile<String>(file.path, 'CFBundleIdentifier'), null);
     expect(logger.statusText, contains('Property List error: Unexpected character \x01 at line 1 / '
       'JSON error: JSON text did not start with array or object and option to allow fragments not '
       'set. around line 1, column 0.\n'));
@@ -127,11 +127,11 @@ void main() {
               '  Command: /usr/bin/plutil -convert xml1 -o - ${file.absolute.path}\n');
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.
 
-  testWithoutContext('PlistParser.getStringValueFromFile throws when /usr/bin/plutil is not found', () async {
+  testWithoutContext('PlistParser.getValueFromFile<String> throws when /usr/bin/plutil is not found', () async {
     file.writeAsBytesSync(base64.decode(base64PlistXml));
 
     expect(
-      () => parser.getStringValueFromFile(file.path, 'unused'),
+      () => parser.getValueFromFile<String>(file.path, 'unused'),
       throwsA(isA<FileNotFoundException>()),
     );
     expect(logger.statusText, isEmpty);
@@ -141,21 +141,21 @@ void main() {
   testWithoutContext('PlistParser.replaceKey can replace a key', () async {
     file.writeAsBytesSync(base64.decode(base64PlistXml));
 
-    expect(parser.getStringValueFromFile(file.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
+    expect(parser.getValueFromFile<String>(file.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
     expect(parser.replaceKey(file.path, key: 'CFBundleIdentifier', value: 'dev.flutter.fake'), isTrue);
     expect(logger.statusText, isEmpty);
     expect(logger.errorText, isEmpty);
-    expect(parser.getStringValueFromFile(file.path, 'CFBundleIdentifier'), equals('dev.flutter.fake'));
+    expect(parser.getValueFromFile<String>(file.path, 'CFBundleIdentifier'), equals('dev.flutter.fake'));
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.
 
   testWithoutContext('PlistParser.replaceKey can create a new key', () async {
     file.writeAsBytesSync(base64.decode(base64PlistXml));
 
-    expect(parser.getStringValueFromFile(file.path, 'CFNewKey'), isNull);
+    expect(parser.getValueFromFile<String>(file.path, 'CFNewKey'), isNull);
     expect(parser.replaceKey(file.path, key: 'CFNewKey', value: 'dev.flutter.fake'), isTrue);
     expect(logger.statusText, isEmpty);
     expect(logger.errorText, isEmpty);
-    expect(parser.getStringValueFromFile(file.path, 'CFNewKey'), equals('dev.flutter.fake'));
+    expect(parser.getValueFromFile<String>(file.path, 'CFNewKey'), equals('dev.flutter.fake'));
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.
 
   testWithoutContext('PlistParser.replaceKey can delete a key', () async {
@@ -164,7 +164,7 @@ void main() {
     expect(parser.replaceKey(file.path, key: 'CFBundleIdentifier'), isTrue);
     expect(logger.statusText, isEmpty);
     expect(logger.errorText, isEmpty);
-    expect(parser.getStringValueFromFile(file.path, 'CFBundleIdentifier'), isNull);
+    expect(parser.getValueFromFile<String>(file.path, 'CFBundleIdentifier'), isNull);
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.
 
   testWithoutContext('PlistParser.replaceKey throws when /usr/bin/plutil is not found', () async {
@@ -192,9 +192,9 @@ void main() {
   testWithoutContext('PlistParser.replaceKey works with a JSON file', () {
     file.writeAsBytesSync(base64.decode(base64PlistJson));
 
-    expect(parser.getStringValueFromFile(file.absolute.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
+    expect(parser.getValueFromFile<String>(file.absolute.path, 'CFBundleIdentifier'), 'io.flutter.flutter.app');
     expect(parser.replaceKey(file.path, key:'CFBundleIdentifier', value: 'dev.flutter.fake'), isTrue);
-    expect(parser.getStringValueFromFile(file.absolute.path, 'CFBundleIdentifier'), 'dev.flutter.fake');
+    expect(parser.getValueFromFile<String>(file.absolute.path, 'CFBundleIdentifier'), 'dev.flutter.fake');
     expect(logger.statusText, isEmpty);
     expect(logger.errorText, isEmpty);
   }, skip: !platform.isMacOS); // [intended] requires macos tool chain.

packages/flutter_tools/test/src/fakes.dart

@@ -296,8 +296,8 @@ class FakePlistParser implements PlistParser {
   }
 
   @override
-  String? getStringValueFromFile(String plistFilePath, String key) {
-    return _underlyingValues[key] as String?;
+  T? getValueFromFile<T>(String plistFilePath, String key) {
+    return _underlyingValues[key] as T?;
   }
 
   @override