clean the project names used for flutter create

packages/flutter_tools/lib/src/base/utils.dart

@@ -13,6 +13,21 @@ String calculateSha(File file) {
   return CryptoUtils.bytesToHex(sha1.close());
 }
 
+/// Convert `foo_bar` to `fooBar`.
+String camelCase(String str) {
+  int index = str.indexOf('_');
+  while (index != -1 && index < str.length - 2) {
+    str = str.substring(0, index) +
+      str.substring(index + 1, index + 2).toUpperCase() +
+      str.substring(index + 2);
+    index = str.indexOf('_');
+  }
+  return str;
+}
+
+/// Return the plural of the given word (`cat(s)`).
+String pluralize(String word, int count) => count == 1 ? word : word + 's';
+
 /// A class to maintain a list of items, fire events when items are added or
 /// removed, and calculate a diff of changes when a new list of items is
 /// available.

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

@@ -10,6 +10,7 @@ import 'package:path/path.dart' as path;
 
 import '../android/android.dart' as android;
 import '../artifacts.dart';
+import '../base/utils.dart';
 import '../dart/pub.dart';
 import '../globals.dart';
 import '../template.dart';
@@ -87,8 +88,10 @@ class CreateCommand extends Command {
     _renderTemplates(projectName, dirPath, flutterPackagesDirectory,
         renderDriverTest: argResults['with-driver-test']);
 
+    printStatus('');
+
     if (argResults['pub']) {
-      int code = await pubGet(directory: projectDir.path);
+      int code = await pubGet(directory: dirPath);
       if (code != 0)
         return code;
     }
@@ -103,7 +106,7 @@ class CreateCommand extends Command {
       printStatus('''
 All done! In order to run your application, type:
 
-  \$ cd ${projectDir.path}
+  \$ cd $dirPath
   \$ flutter run
 ''');
     } else {
@@ -116,7 +119,7 @@ All done! In order to run your application, type:
       printStatus('');
       printStatus("After installing components, run 'flutter doctor' in order to "
         "re-validate your setup.");
-      printStatus("When complete, type 'flutter run' from the '${projectDir.path}' "
+      printStatus("When complete, type 'flutter run' from the '$dirPath' "
         "directory in order to launch your app.");
     }
 
@@ -125,7 +128,6 @@ All done! In order to run your application, type:
 
   void _renderTemplates(String projectName, String dirPath,
       String flutterPackagesDirectory, { bool renderDriverTest: false }) {
-    String projectIdentifier = _createProjectIdentifier(path.basename(dirPath));
     String relativeFlutterPackagesDirectory = path.relative(flutterPackagesDirectory, from: dirPath);
 
     printStatus('Creating project ${path.basename(projectName)}:');
@@ -134,7 +136,8 @@ All done! In order to run your application, type:
 
     Map templateContext = <String, dynamic>{
       'projectName': projectName,
-      'projectIdentifier': projectIdentifier,
+      'androidIdentifier': _createAndroidIdentifier(projectName),
+      'iosIdentifier': _createUTIIdentifier(projectName),
       'description': description,
       'flutterPackagesDirectory': relativeFlutterPackagesDirectory,
       'androidMinApiLevel': android.minApiLevel
@@ -163,11 +166,15 @@ String _normalizeProjectName(String name) {
   return name;
 }
 
-String _createProjectIdentifier(String name) {
+String _createAndroidIdentifier(String name) {
+  return 'com.yourcompany.${camelCase(name)}';
+}
+
+String _createUTIIdentifier(String name) {
   // Create a UTI (https://en.wikipedia.org/wiki/Uniform_Type_Identifier) from a base name
   RegExp disallowed = new RegExp(r"[^a-zA-Z0-9\-.\u0080-\uffff]+");
-  name = name.replaceAll(disallowed, '');
-  name = name.length == 0 ? 'untitled' : name;
+  name = camelCase(name).replaceAll(disallowed, '');
+  name = name.isEmpty ? 'untitled' : name;
   return 'com.yourcompany.$name';
 }
 

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

@@ -4,6 +4,7 @@
 
 import 'dart:async';
 
+import '../base/utils.dart';
 import '../device.dart';
 import '../globals.dart';
 import '../runner/flutter_command.dart';
@@ -38,5 +39,3 @@ class DevicesCommand extends FlutterCommand {
     return 0;
   }
 }
-
-String pluralize(String word, int count) => count == 1 ? word : word + 's';

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

@@ -9,6 +9,7 @@ import 'package:path/path.dart' as path;
 
 import '../application_package.dart';
 import '../base/common.dart';
+import '../base/utils.dart';
 import '../build_configuration.dart';
 import '../dart/pub.dart';
 import '../device.dart';
@@ -17,7 +18,6 @@ import '../globals.dart';
 import '../runner/flutter_command.dart';
 import '../toolchain.dart';
 import 'apk.dart';
-import 'devices.dart';
 import 'install.dart';
 
 /// Given the value of the --target option, return the path of the Dart file

packages/flutter_tools/templates/create/android/AndroidManifest.xml.tmpl

 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="{{projectIdentifier}}"
+    package="{{androidIdentifier}}"
     android:versionCode="1"
     android:versionName="0.0.1">
 

packages/flutter_tools/templates/create/ios/Info.plist.tmpl

@@ -7,7 +7,7 @@
 	<key>CFBundleExecutable</key>
 	<string>Runner</string>
 	<key>CFBundleIdentifier</key>
-	<string>{{projectIdentifier}}</string>
+	<string>{{iosIdentifier}}</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>