[flutter_tool] Remove the synchronous -showBuildSettings (#40435)

packages/flutter_tools/lib/src/application_package.dart

@@ -328,7 +328,7 @@ abstract class IOSApp extends ApplicationPackage {
     );
   }
 
-  factory IOSApp.fromIosProject(IosProject project) {
+  static Future<IOSApp> fromIosProject(IosProject project) {
     if (getCurrentHostPlatform() != HostPlatform.darwin_x64) {
       return null;
     }
@@ -345,7 +345,7 @@ abstract class IOSApp extends ApplicationPackage {
       printError('Expected ios/Runner.xcodeproj/project.pbxproj but this file is missing.');
       return null;
     }
-    return BuildableIOSApp(project);
+    return BuildableIOSApp.fromProject(project);
   }
 
   @override
@@ -357,7 +357,13 @@ abstract class IOSApp extends ApplicationPackage {
 }
 
 class BuildableIOSApp extends IOSApp {
-  BuildableIOSApp(this.project) : super(projectBundleId: project.productBundleIdentifier);
+  BuildableIOSApp(this.project, String projectBundleId)
+    : super(projectBundleId: projectBundleId);
+
+  static Future<BuildableIOSApp> fromProject(IosProject project) async {
+    final String projectBundleId = await project.productBundleIdentifier;
+    return BuildableIOSApp(project, projectBundleId);
+  }
 
   final IosProject project;
 
@@ -416,7 +422,7 @@ class ApplicationPackageStore {
         android ??= await AndroidApk.fromAndroidProject(FlutterProject.current().android);
         return android;
       case TargetPlatform.ios:
-        iOS ??= IOSApp.fromIosProject(FlutterProject.current().ios);
+        iOS ??= await IOSApp.fromIosProject(FlutterProject.current().ios);
         return iOS;
       case TargetPlatform.fuchsia:
         fuchsia ??= FuchsiaApp.fromFuchsiaProject(FlutterProject.current().fuchsia);

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

@@ -352,7 +352,7 @@ class CreateCommand extends FlutterCommand {
     String organization = argResults['org'];
     if (!argResults.wasParsed('org')) {
       final FlutterProject project = FlutterProject.fromDirectory(projectDir);
-      final Set<String> existingOrganizations = project.organizationNames;
+      final Set<String> existingOrganizations = await project.organizationNames;
       if (existingOrganizations.length == 1) {
         organization = existingOrganizations.first;
       } else if (1 < existingOrganizations.length) {

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

@@ -231,7 +231,7 @@ class RunCommand extends RunCommandBase {
       hostLanguage.add(androidProject.isKotlin ? 'kotlin' : 'java');
     }
     if (iosProject != null && iosProject.exists) {
-      hostLanguage.add(iosProject.isSwift ? 'swift' : 'objc');
+      hostLanguage.add(await iosProject.isSwift ? 'swift' : 'objc');
     }
 
     return <CustomDimensions, String>{

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

@@ -95,7 +95,7 @@ final RegExp _certificateOrganizationalUnitExtractionPattern = RegExp(r'OU=([a-z
 Future<Map<String, String>> getCodeSigningIdentityDevelopmentTeam({
   BuildableIOSApp iosApp,
 }) async {
-  final Map<String, String> buildSettings = iosApp.project.buildSettings;
+  final Map<String, String> buildSettings = await iosApp.project.buildSettings;
   if (buildSettings == null) {
     return null;
   }

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

@@ -258,32 +258,9 @@ class XcodeProjectInterpreter {
     return _minorVersion;
   }
 
-  /// Synchronously retrieve xcode build settings. Prefer using the async
-  /// version below.
-  Map<String, String> getBuildSettings(String projectPath, String target) {
-    try {
-      final String out = processUtils.runSync(
-        <String>[
-          _executable,
-          '-project',
-          fs.path.absolute(projectPath),
-          '-target',
-          target,
-          '-showBuildSettings',
-        ],
-        throwOnError: true,
-        workingDirectory: projectPath,
-      ).stdout.trim();
-      return parseXcodeBuildSettings(out);
-    } on ProcessException catch (error) {
-      printTrace('Unexpected failure to get the build settings: $error.');
-      return const <String, String>{};
-    }
-  }
-
   /// Asynchronously retrieve xcode build settings. This one is preferred for
   /// new call-sites.
-  Future<Map<String, String>> getBuildSettingsAsync(
+  Future<Map<String, String>> getBuildSettings(
       String projectPath, String target, {
     Duration timeout = const Duration(minutes: 1),
   }) async {

packages/flutter_tools/lib/src/macos/cocoapod_utils.dart

@@ -37,7 +37,7 @@ Future<void> processPodsIfNeeded(XcodeBasedProject xcodeProject,
   final bool didPodInstall = await cocoaPods.processPods(
     xcodeProject: xcodeProject,
     engineDir: flutterFrameworkDir(buildMode),
-    isSwift: xcodeProject.isSwift,
+    isSwift: await xcodeProject.isSwift,
     dependenciesChanged: !fingerprinter.doesFingerprintMatch(),
   );
   if (didPodInstall) {

packages/flutter_tools/lib/src/macos/cocoapods.dart

@@ -213,7 +213,7 @@ class CocoaPods {
     if (xcodeProject is MacOSProject) {
       podfileTemplateName = 'Podfile-macos';
     } else {
-      final bool isSwift = (await xcodeProjectInterpreter.getBuildSettingsAsync(
+      final bool isSwift = (await xcodeProjectInterpreter.getBuildSettings(
         runnerProject.path,
         'Runner',
       )).containsKey('SWIFT_VERSION');

packages/flutter_tools/lib/src/project.dart

@@ -88,13 +88,13 @@ class FlutterProject {
   /// The set of organization names found in this project as
   /// part of iOS product bundle identifier, Android application ID, or
   /// Gradle group ID.
-  Set<String> get organizationNames {
+  Future<Set<String>> get organizationNames async {
     final List<String> candidates = <String>[
-      ios.productBundleIdentifier,
+      await ios.productBundleIdentifier,
       android.applicationId,
       android.group,
       example.android.applicationId,
-      example.ios.productBundleIdentifier,
+      await example.ios.productBundleIdentifier,
     ];
     return Set<String>.from(candidates
         .map<String>(_organizationNameFromPackageName)
@@ -280,7 +280,7 @@ abstract class XcodeBasedProject {
   File get podManifestLock;
 
   /// True if the host app project is using Swift.
-  bool get isSwift;
+  Future<bool> get isSwift;
 }
 
 /// Represents the iOS sub-project of a Flutter project.
@@ -365,7 +365,7 @@ class IosProject implements XcodeBasedProject {
 
   /// The product bundle identifier of the host app, or null if not set or if
   /// iOS tooling needed to read it is not installed.
-  String get productBundleIdentifier {
+  Future<String> get productBundleIdentifier async {
     String fromPlist;
     try {
       fromPlist = PlistParser.instance.getValueFromFile(
@@ -386,24 +386,26 @@ class IosProject implements XcodeBasedProject {
     }
     if (fromPlist != null && xcode.xcodeProjectInterpreter.isInstalled) {
       // General case: perform variable substitution using build settings.
-      return xcode.substituteXcodeVariables(fromPlist, buildSettings);
+      return xcode.substituteXcodeVariables(fromPlist, await buildSettings);
     }
     return null;
   }
 
   @override
-  bool get isSwift => buildSettings?.containsKey('SWIFT_VERSION') ?? false;
+  Future<bool> get isSwift async =>
+    (await buildSettings)?.containsKey('SWIFT_VERSION') ?? false;
 
   /// The build settings for the host app of this project, as a detached map.
   ///
   /// Returns null, if iOS tooling is unavailable.
-  Map<String, String> get buildSettings {
+  Future<Map<String, String>> get buildSettings async {
     if (!xcode.xcodeProjectInterpreter.isInstalled) {
       return null;
     }
-    _buildSettings ??=
-        xcode.xcodeProjectInterpreter.getBuildSettings(xcodeProject.path,
-                                                       _hostAppBundleName);
+    _buildSettings ??= await xcode.xcodeProjectInterpreter.getBuildSettings(
+      xcodeProject.path,
+      _hostAppBundleName,
+    );
     return _buildSettings;
   }
 
@@ -726,7 +728,7 @@ class MacOSProject implements XcodeBasedProject {
   Directory get xcodeWorkspace => _macOSDirectory.childDirectory('$_hostAppBundleName.xcworkspace');
 
   @override
-  bool get isSwift => true;
+  Future<bool> get isSwift async => true;
 
   /// The file where the Xcode build will write the name of the built app.
   ///

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

@@ -325,7 +325,8 @@ void main() {
     testUsingContext('returns null when there is no ios or .ios directory', () async {
       fs.file('pubspec.yaml').createSync();
       fs.file('.packages').createSync();
-      final BuildableIOSApp iosApp = IOSApp.fromIosProject(FlutterProject.fromDirectory(fs.currentDirectory).ios);
+      final BuildableIOSApp iosApp = await IOSApp.fromIosProject(
+        FlutterProject.fromDirectory(fs.currentDirectory).ios);
 
       expect(iosApp, null);
     }, overrides: overrides);
@@ -334,7 +335,8 @@ void main() {
       fs.file('pubspec.yaml').createSync();
       fs.file('.packages').createSync();
       fs.file('ios/FooBar.xcodeproj').createSync(recursive: true);
-      final BuildableIOSApp iosApp = IOSApp.fromIosProject(FlutterProject.fromDirectory(fs.currentDirectory).ios);
+      final BuildableIOSApp iosApp = await IOSApp.fromIosProject(
+        FlutterProject.fromDirectory(fs.currentDirectory).ios);
 
       expect(iosApp, null);
     }, overrides: overrides);
@@ -343,7 +345,8 @@ void main() {
       fs.file('pubspec.yaml').createSync();
       fs.file('.packages').createSync();
       fs.file('ios/Runner.xcodeproj').createSync(recursive: true);
-      final BuildableIOSApp iosApp = IOSApp.fromIosProject(FlutterProject.fromDirectory(fs.currentDirectory).ios);
+      final BuildableIOSApp iosApp = await IOSApp.fromIosProject(
+        FlutterProject.fromDirectory(fs.currentDirectory).ios);
 
       expect(iosApp, null);
     }, overrides: overrides);

packages/flutter_tools/test/general.shard/commands/create_test.dart

@@ -707,7 +707,7 @@ void main() {
     await runner.run(<String>['create', '--template=app', '--no-pub', '--org', 'com.example', tmpProjectDir]);
     FlutterProject project = FlutterProject.fromDirectory(fs.directory(tmpProjectDir));
     expect(
-        project.ios.productBundleIdentifier,
+        await project.ios.productBundleIdentifier,
         'com.example.helloFlutter',
     );
     expect(
@@ -719,7 +719,7 @@ void main() {
     await runner.run(<String>['create', '--template=app', '--no-pub', '--org', 'abc^*.1#@', tmpProjectDir]);
     project = FlutterProject.fromDirectory(fs.directory(tmpProjectDir));
     expect(
-        project.ios.productBundleIdentifier,
+        await project.ios.productBundleIdentifier,
         'abc.1.testAbc',
     );
     expect(
@@ -731,7 +731,7 @@ void main() {
     await runner.run(<String>['create', '--template=app', '--no-pub', '--org', '#+^%', tmpProjectDir]);
     project = FlutterProject.fromDirectory(fs.directory(tmpProjectDir));
     expect(
-        project.ios.productBundleIdentifier,
+        await project.ios.productBundleIdentifier,
         'flutterProject.untitled',
     );
     expect(
@@ -856,7 +856,7 @@ void main() {
     await _createProject(projectDir, <String>[], <String>[]);
     final FlutterProject project = FlutterProject.fromDirectory(projectDir);
     expect(
-      project.ios.productBundleIdentifier,
+      await project.ios.productBundleIdentifier,
       'com.bar.foo.flutterProject',
     );
   }, timeout: allowForRemotePubInvocation);
@@ -896,7 +896,7 @@ void main() {
     await _createProject(projectDir, <String>['--no-pub'], <String>[]);
     final FlutterProject project = FlutterProject.fromDirectory(projectDir);
     expect(
-      project.ios.productBundleIdentifier,
+      await project.ios.productBundleIdentifier,
       'com.bar.foo.flutterProject',
     );
   }, timeout: allowForCreateFlutterProject);
@@ -929,7 +929,7 @@ void main() {
     );
     final FlutterProject project = FlutterProject.fromDirectory(projectDir);
     expect(
-      project.example.ios.productBundleIdentifier,
+      await project.example.ios.productBundleIdentifier,
       'com.bar.foo.flutterProjectExample',
     );
   }, timeout: allowForCreateFlutterProject);

packages/flutter_tools/test/general.shard/ios/code_signing_test.dart

@@ -27,16 +27,18 @@ void main() {
     BuildableIOSApp app;
     AnsiTerminal testTerminal;
 
-    setUp(() {
+    setUp(() async {
       mockProcessManager = MockProcessManager();
       mockConfig = MockConfig();
       mockIosProject = MockIosProject();
-      when(mockIosProject.buildSettings).thenReturn(<String, String>{
-        'For our purposes': 'a non-empty build settings map is valid',
+      when(mockIosProject.buildSettings).thenAnswer((_) {
+        return Future<Map<String, String>>.value(<String, String>{
+          'For our purposes': 'a non-empty build settings map is valid',
+        });
       });
       testTerminal = TestTerminal();
       testTerminal.usesTerminalUi = true;
-      app = BuildableIOSApp(mockIosProject);
+      app = await BuildableIOSApp.fromProject(mockIosProject);
     });
 
     testUsingContext('No auto-sign if Xcode project settings are not available', () async {
@@ -46,8 +48,10 @@ void main() {
     });
 
     testUsingContext('No discovery if development team specified in Xcode project', () async {
-      when(mockIosProject.buildSettings).thenReturn(<String, String>{
-        'DEVELOPMENT_TEAM': 'abc',
+      when(mockIosProject.buildSettings).thenAnswer((_) {
+        return Future<Map<String, String>>.value(<String, String>{
+          'DEVELOPMENT_TEAM': 'abc',
+        });
       });
       final Map<String, String> signingConfigs = await getCodeSigningIdentityDevelopmentTeam(iosApp: app);
       expect(signingConfigs, isNull);

packages/flutter_tools/test/general.shard/ios/devices_test.dart

@@ -295,8 +295,8 @@ void main() {
             projectDir.path,
           ]);
 
-          final IOSApp app =
-              AbsoluteBuildableIOSApp(FlutterProject.fromDirectory(projectDir).ios);
+          final IOSApp app = await AbsoluteBuildableIOSApp.fromProject(
+            FlutterProject.fromDirectory(projectDir).ios);
           final IOSDevice device = IOSDevice('123');
 
           // Pre-create the expected build products.
@@ -547,7 +547,7 @@ Runner(UIKit)[297] <Notice>: E is for enpitsu"
 
       final IOSDevice device = IOSDevice('123456');
       final DeviceLogReader logReader = device.getLogReader(
-        app: BuildableIOSApp(mockIosProject),
+        app: await BuildableIOSApp.fromProject(mockIosProject),
       );
 
       final List<String> lines = await logReader.logLines.toList();
@@ -572,7 +572,7 @@ Runner(libsystem_asl.dylib)[297] <Notice>: libMobileGestalt
 
       final IOSDevice device = IOSDevice('123456');
       final DeviceLogReader logReader = device.getLogReader(
-        app: BuildableIOSApp(mockIosProject),
+        app: await BuildableIOSApp.fromProject(mockIosProject),
       );
 
       final List<String> lines = await logReader.logLines.toList();
@@ -630,7 +630,13 @@ flutter:
 }
 
 class AbsoluteBuildableIOSApp extends BuildableIOSApp {
-  AbsoluteBuildableIOSApp(IosProject project) : super(project);
+  AbsoluteBuildableIOSApp(IosProject project, String projectBundleId) :
+    super(project, projectBundleId);
+
+  static Future<AbsoluteBuildableIOSApp> fromProject(IosProject project) async {
+    final String projectBundleId = await project.productBundleIdentifier;
+    return AbsoluteBuildableIOSApp(project, projectBundleId);
+  }
 
   @override
   String get deviceBundlePath =>

packages/flutter_tools/test/general.shard/ios/simulators_test.dart

@@ -338,7 +338,7 @@ void main() {
 
       final IOSSimulator device = IOSSimulator('123456', simulatorCategory: 'iOS 11.0');
       final DeviceLogReader logReader = device.getLogReader(
-        app: BuildableIOSApp(mockIosProject),
+        app: await BuildableIOSApp.fromProject(mockIosProject),
       );
 
       final List<String> lines = await logReader.logLines.toList();

packages/flutter_tools/test/general.shard/ios/xcodeproj_test.dart

@@ -145,13 +145,13 @@ void main() {
       expect(xcodeProjectInterpreter.isInstalled, isTrue);
     });
 
-    testUsingOsxContext('build settings is empty when xcodebuild failed to get the build settings', () {
+    testUsingOsxContext('build settings is empty when xcodebuild failed to get the build settings', () async {
       when(mockProcessManager.runSync(
                argThat(contains(xcodebuild)),
                workingDirectory: anyNamed('workingDirectory'),
                environment: anyNamed('environment')))
           .thenReturn(ProcessResult(0, 1, '', ''));
-      expect(xcodeProjectInterpreter.getBuildSettings('', ''), const <String, String>{});
+      expect(await xcodeProjectInterpreter.getBuildSettings('', ''), const <String, String>{});
     });
 
     testUsingContext('build settings flakes', () async {
@@ -160,7 +160,7 @@ void main() {
         flakes: 1,
         delay: delay + const Duration(seconds: 1),
       );
-      expect(await xcodeProjectInterpreter.getBuildSettingsAsync(
+      expect(await xcodeProjectInterpreter.getBuildSettings(
                  '', '', timeout: delay),
              const <String, String>{});
       // build settings times out and is killed once, then succeeds.

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

@@ -173,7 +173,7 @@ void main() {
 
     testUsingContext('creates swift Podfile if swift', () async {
       when(mockXcodeProjectInterpreter.isInstalled).thenReturn(true);
-      when(mockXcodeProjectInterpreter.getBuildSettingsAsync(any, any))
+      when(mockXcodeProjectInterpreter.getBuildSettings(any, any))
           .thenAnswer((_) async => <String, String>{
         'SWIFT_VERSION': '4.0',
       });

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

@@ -257,15 +257,18 @@ void main() {
 
       testInMemory('default host app language', () async {
         final FlutterProject project = await someProject();
-        expect(project.ios.isSwift, isFalse);
+        expect(await project.ios.isSwift, isFalse);
         expect(project.android.isKotlin, isFalse);
       });
 
       testUsingContext('swift and kotlin host app language', () async {
         final FlutterProject project = await someProject();
 
-        when(mockXcodeProjectInterpreter.getBuildSettings(any, any)).thenReturn(<String, String>{
-          'SWIFT_VERSION': '4.0',
+        when(mockXcodeProjectInterpreter.getBuildSettings(any, any)).thenAnswer(
+          (_) {
+            return Future<Map<String, String>>.value(<String, String>{
+              'SWIFT_VERSION': '4.0',
+            });
         });
         addAndroidGradleFile(project.directory,
           gradleFileContent: () {
@@ -274,7 +277,7 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 ''';
         });
-        expect(project.ios.isSwift, isTrue);
+        expect(await project.ios.isSwift, isTrue);
         expect(project.android.isKotlin, isTrue);
       }, overrides: <Type, Generator>{
           FileSystem: () => fs,
@@ -306,19 +309,19 @@ apply plugin: 'kotlin-android'
 
       testWithMocks('null, if no pbxproj or plist entries', () async {
         final FlutterProject project = await someProject();
-        expect(project.ios.productBundleIdentifier, isNull);
+        expect(await project.ios.productBundleIdentifier, isNull);
       });
       testWithMocks('from pbxproj file, if no plist', () async {
         final FlutterProject project = await someProject();
         addIosProjectFile(project.directory, projectFileContent: () {
           return projectFileWithBundleId('io.flutter.someProject');
         });
-        expect(project.ios.productBundleIdentifier, 'io.flutter.someProject');
+        expect(await project.ios.productBundleIdentifier, 'io.flutter.someProject');
       });
       testWithMocks('from plist, if no variables', () async {
         final FlutterProject project = await someProject();
         when(mockPlistUtils.getValueFromFile(any, any)).thenReturn('io.flutter.someProject');
-        expect(project.ios.productBundleIdentifier, 'io.flutter.someProject');
+        expect(await project.ios.productBundleIdentifier, 'io.flutter.someProject');
       });
       testWithMocks('from pbxproj and plist, if default variable', () async {
         final FlutterProject project = await someProject();
@@ -326,56 +329,60 @@ apply plugin: 'kotlin-android'
           return projectFileWithBundleId('io.flutter.someProject');
         });
         when(mockPlistUtils.getValueFromFile(any, any)).thenReturn('\$(PRODUCT_BUNDLE_IDENTIFIER)');
-        expect(project.ios.productBundleIdentifier, 'io.flutter.someProject');
+        expect(await project.ios.productBundleIdentifier, 'io.flutter.someProject');
       });
       testWithMocks('from pbxproj and plist, by substitution', () async {
         final FlutterProject project = await someProject();
-        when(mockXcodeProjectInterpreter.getBuildSettings(any, any)).thenReturn(<String, String>{
-          'PRODUCT_BUNDLE_IDENTIFIER': 'io.flutter.someProject',
-          'SUFFIX': 'suffix',
-        });
+        when(mockXcodeProjectInterpreter.getBuildSettings(any, any)).thenAnswer(
+          (_) {
+            return Future<Map<String,String>>.value(<String, String>{
+              'PRODUCT_BUNDLE_IDENTIFIER': 'io.flutter.someProject',
+              'SUFFIX': 'suffix',
+            });
+          }
+        );
         when(mockPlistUtils.getValueFromFile(any, any)).thenReturn('\$(PRODUCT_BUNDLE_IDENTIFIER).\$(SUFFIX)');
-        expect(project.ios.productBundleIdentifier, 'io.flutter.someProject.suffix');
+        expect(await project.ios.productBundleIdentifier, 'io.flutter.someProject.suffix');
       });
       testWithMocks('empty surrounded by quotes', () async {
         final FlutterProject project = await someProject();
         addIosProjectFile(project.directory, projectFileContent: () {
           return projectFileWithBundleId('', qualifier: '"');
         });
-        expect(project.ios.productBundleIdentifier, '');
+        expect(await project.ios.productBundleIdentifier, '');
       });
       testWithMocks('surrounded by double quotes', () async {
         final FlutterProject project = await someProject();
         addIosProjectFile(project.directory, projectFileContent: () {
           return projectFileWithBundleId('io.flutter.someProject', qualifier: '"');
         });
-        expect(project.ios.productBundleIdentifier, 'io.flutter.someProject');
+        expect(await project.ios.productBundleIdentifier, 'io.flutter.someProject');
       });
       testWithMocks('surrounded by single quotes', () async {
         final FlutterProject project = await someProject();
         addIosProjectFile(project.directory, projectFileContent: () {
           return projectFileWithBundleId('io.flutter.someProject', qualifier: '\'');
         });
-        expect(project.ios.productBundleIdentifier, 'io.flutter.someProject');
+        expect(await project.ios.productBundleIdentifier, 'io.flutter.someProject');
       });
     });
 
     group('organization names set', () {
       testInMemory('is empty, if project not created', () async {
         final FlutterProject project = await someProject();
-        expect(project.organizationNames, isEmpty);
+        expect(await project.organizationNames, isEmpty);
       });
       testInMemory('is empty, if no platform folders exist', () async {
         final FlutterProject project = await someProject();
         project.directory.createSync();
-        expect(project.organizationNames, isEmpty);
+        expect(await project.organizationNames, isEmpty);
       });
       testInMemory('is populated from iOS bundle identifier', () async {
         final FlutterProject project = await someProject();
         addIosProjectFile(project.directory, projectFileContent: () {
           return projectFileWithBundleId('io.flutter.someProject', qualifier: '\'');
         });
-        expect(project.organizationNames, <String>['io.flutter']);
+        expect(await project.organizationNames, <String>['io.flutter']);
       });
       testInMemory('is populated from Android application ID', () async {
         final FlutterProject project = await someProject();
@@ -383,14 +390,14 @@ apply plugin: 'kotlin-android'
           gradleFileContent: () {
             return gradleFileWithApplicationId('io.flutter.someproject');
           });
-        expect(project.organizationNames, <String>['io.flutter']);
+        expect(await project.organizationNames, <String>['io.flutter']);
       });
       testInMemory('is populated from iOS bundle identifier in plugin example', () async {
         final FlutterProject project = await someProject();
         addIosProjectFile(project.example.directory, projectFileContent: () {
           return projectFileWithBundleId('io.flutter.someProject', qualifier: '\'');
         });
-        expect(project.organizationNames, <String>['io.flutter']);
+        expect(await project.organizationNames, <String>['io.flutter']);
       });
       testInMemory('is populated from Android application ID in plugin example', () async {
         final FlutterProject project = await someProject();
@@ -398,12 +405,12 @@ apply plugin: 'kotlin-android'
           gradleFileContent: () {
             return gradleFileWithApplicationId('io.flutter.someproject');
           });
-        expect(project.organizationNames, <String>['io.flutter']);
+        expect(await project.organizationNames, <String>['io.flutter']);
       });
       testInMemory('is populated from Android group in plugin', () async {
         final FlutterProject project = await someProject();
         addAndroidWithGroup(project.directory, 'io.flutter.someproject');
-        expect(project.organizationNames, <String>['io.flutter']);
+        expect(await project.organizationNames, <String>['io.flutter']);
       });
       testInMemory('is singleton, if sources agree', () async {
         final FlutterProject project = await someProject();
@@ -414,7 +421,7 @@ apply plugin: 'kotlin-android'
           gradleFileContent: () {
             return gradleFileWithApplicationId('io.flutter.someproject');
           });
-        expect(project.organizationNames, <String>['io.flutter']);
+        expect(await project.organizationNames, <String>['io.flutter']);
       });
       testInMemory('is non-singleton, if sources disagree', () async {
         final FlutterProject project = await someProject();
@@ -426,7 +433,7 @@ apply plugin: 'kotlin-android'
             return gradleFileWithApplicationId('io.clutter.someproject');
           });
         expect(
-          project.organizationNames,
+          await project.organizationNames,
           <String>['io.flutter', 'io.clutter'],
         );
       });

packages/flutter_tools/test/src/context.dart

@@ -333,12 +333,7 @@ class FakeXcodeProjectInterpreter implements XcodeProjectInterpreter {
   int get minorVersion => 2;
 
   @override
-  Map<String, String> getBuildSettings(String projectPath, String target) {
-    return <String, String>{};
-  }
-
-  @override
-  Future<Map<String, String>> getBuildSettingsAsync(
+  Future<Map<String, String>> getBuildSettings(
     String projectPath,
     String target, {
     Duration timeout = const Duration(minutes: 1),

packages/flutter_tools/test/src/mocks.dart

@@ -26,7 +26,11 @@ import 'package:process/process.dart';
 
 import 'common.dart';
 
-final Generator kNoColorTerminalPlatform = () => FakePlatform.fromPlatform(const LocalPlatform())..stdoutSupportsAnsi = false;
+final Generator kNoColorTerminalPlatform = () {
+  return FakePlatform.fromPlatform(
+    const LocalPlatform()
+  )..stdoutSupportsAnsi = false;
+};
 
 class MockApplicationPackageStore extends ApplicationPackageStore {
   MockApplicationPackageStore() : super(
@@ -36,7 +40,7 @@ class MockApplicationPackageStore extends ApplicationPackageStore {
       versionCode: 1,
       launchActivity: 'io.flutter.android.mock.MockActivity',
     ),
-    iOS: BuildableIOSApp(MockIosProject())
+    iOS: BuildableIOSApp(MockIosProject(), MockIosProject.bundleId)
   );
 }
 
@@ -513,8 +517,10 @@ class MockPollingDeviceDiscovery extends PollingDeviceDiscovery {
 }
 
 class MockIosProject extends Mock implements IosProject {
+  static const String bundleId = 'com.example.test';
+
   @override
-  String get productBundleIdentifier => 'com.example.test';
+  Future<String> get productBundleIdentifier async => bundleId;
 
   @override
   String get hostAppBundleName => 'Runner.app';