iOS: Treat the initial Info.plist string as a mustache template.

Use the project name to initialize the bundle name and identifier

packages/flutter_tools/lib/src/application_package.dart

@@ -10,6 +10,7 @@ import 'package:xml/xml.dart' as xml;
 
 import 'artifacts.dart';
 import 'build_configuration.dart';
+import 'ios/plist_utils.dart';
 
 abstract class ApplicationPackage {
   /// Path to the actual apk or bundle.
@@ -81,13 +82,25 @@ class AndroidApk extends ApplicationPackage {
 }
 
 class IOSApp extends ApplicationPackage {
-  static const String _defaultId = 'io.flutter.runner.Runner';
-  static const String _defaultPath = 'ios/.generated';
-
   IOSApp({
-    String localPath: _defaultPath,
-    String id: _defaultId
-  }) : super(localPath: localPath, id: id);
+    String iosProjectDir,
+    String iosProjectBundleId
+  }) : super(localPath: iosProjectDir, id: iosProjectBundleId);
+
+  factory IOSApp.fromBuildConfiguration(BuildConfiguration config) {
+    if (getCurrentHostPlatform() != HostPlatform.mac) {
+      return null;
+    }
+
+    String plistPath = path.join("ios", "Info.plist");
+    String id = plistValueForKey(plistPath, kCFBundleIdentifierKey);
+    if (id == "") {
+      return null;
+    }
+
+    String projectDir = path.join("ios", ".generated");
+    return new IOSApp(iosProjectDir: projectDir, iosProjectBundleId: id);
+  }
 }
 
 class ApplicationPackageStore {
@@ -138,12 +151,12 @@ class ApplicationPackageStore {
 
         case TargetPlatform.iOS:
           assert(iOS == null);
-          iOS = new IOSApp();
+          iOS = new IOSApp.fromBuildConfiguration(config);
           break;
 
         case TargetPlatform.iOSSimulator:
           assert(iOSSimulator == null);
-          iOSSimulator = new IOSApp();
+          iOSSimulator = new IOSApp.fromBuildConfiguration(config);
           break;
 
         case TargetPlatform.mac:

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

+// Copyright 2016 The Chromium 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:path/path.dart' as path;
+
+import '../base/process.dart';
+
+const String kCFBundleIdentifierKey = "CFBundleIdentifier";
+
+String plistValueForKey(String plistFilePath, String plistKey) {
+  // TODO(chinmaygarde): For now, we only need to read from plist files on a
+  // mac host. If this changes, we will need our own Dart plist reader.
+
+  // Don't use PlistBuddy since that is not guaranteed to be installed.
+  // 'defaults' requires the path to be absolute and without the 'plist'
+  // extension.
+  String normalizedPlistPath = path.withoutExtension(path.absolute(plistFilePath));
+
+  try {
+    return runCheckedSync([
+      '/usr/bin/defaults',
+      'read',
+      normalizedPlistPath,
+      plistKey]).trim();
+  } catch (error) {
+    return "";
+  }
+}

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

@@ -91,18 +91,6 @@ Future<bool> _inflateXcodeArchive(String directory, List<int> archiveBytes) asyn
   return true;
 }
 
-void _writeUserEditableFilesIfNecessary(String directory) {
-  iosTemplateFiles.forEach((String filePath, String contents) {
-    File file = new File(filePath);
-
-    if (!file.existsSync()) {
-      file.parent.createSync(recursive: true);
-      file.writeAsStringSync(contents);
-      printStatus('Created $filePath.');
-    }
-  });
-}
-
 void _setupXcodeProjXcconfig(String filePath) {
   StringBuffer localsBuffer = new StringBuffer();
 
@@ -160,19 +148,15 @@ Future<int> setupXcodeProjectHarness() async {
     return 1;
   }
 
-  // Step 3: Setup default user editable files if this is the first run of
-  //         the init command.
-  _writeUserEditableFilesIfNecessary(iosFilesPath);
-
-  // Step 4: Populate the Local.xcconfig with project specific paths
+  // Step 3: Populate the Local.xcconfig with project specific paths
   _setupXcodeProjXcconfig(path.join(xcodeprojPath, 'Local.xcconfig'));
 
-  // Step 5: Write the REVISION file
+  // Step 4: Write the REVISION file
   File revisionFile = new File(path.join(xcodeprojPath, 'REVISION'));
   revisionFile.createSync();
   revisionFile.writeAsStringSync(ArtifactStore.engineRevision);
 
-  // Step 6: Tell the user the location of the generated project.
+  // Step 5: Tell the user the location of the generated project.
   printStatus('Xcode project created at $xcodeprojPath/.');
   printStatus('User editable settings are in $iosFilesPath/.');
 
@@ -189,11 +173,11 @@ final String _infoPlistInitialContents = '''
 	<key>CFBundleExecutable</key>
 	<string>Runner</string>
 	<key>CFBundleIdentifier</key>
-	<string>io.flutter.runner.Runner</string>
+	<string>com.example.{{projectName}}</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
-	<string>Flutter</string>
+	<string>{{projectName}}</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>

packages/flutter_tools/test/src/mocks.dart

@@ -14,8 +14,8 @@ import 'package:mockito/mockito.dart';
 class MockApplicationPackageStore extends ApplicationPackageStore {
   MockApplicationPackageStore() : super(
     android: new AndroidApk(localPath: '/mock/path/to/android/SkyShell.apk'),
-    iOS: new IOSApp(localPath: '/mock/path/to/iOS/SkyShell.app'),
-    iOSSimulator: new IOSApp(localPath: '/mock/path/to/iOSSimulator/SkyShell.app'));
+    iOS: new IOSApp(iosProjectDir: '/mock/path/to/iOS/SkyShell.app'),
+    iOSSimulator: new IOSApp(iosProjectDir: '/mock/path/to/iOSSimulator/SkyShell.app'));
 }
 
 class MockCompiler extends Mock implements Compiler {