refactor; fix apk warning

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

@@ -18,11 +18,6 @@ import '../dart/sdk.dart';
 import '../globals.dart';
 import '../runner/flutter_command.dart';
 
-// TODO(devoncarew): Possible improvements to flutter analyze --watch:
-// - Auto-detect new issues introduced by changes and highlight then in the output.
-// - Use ANSI codes to improve the display when the terminal supports it (screen
-//   clearing, cursor position manipulation, bold and faint codes, ...)
-
 bool isDartFile(FileSystemEntity entry) => entry is File && entry.path.endsWith('.dart');
 bool isDartTestFile(FileSystemEntity entry) => entry is File && entry.path.endsWith('_test.dart');
 bool isDartBenchmarkFile(FileSystemEntity entry) => entry is File && entry.path.endsWith('_bench.dart');
@@ -449,10 +444,13 @@ class AnalyzeCommand extends FlutterCommand {
   Future<int> _analyzeWatch() async {
     List<String> directories;
 
-    if (isFlutterRepo) {
+    if (argResults['flutter-repo']) {
+      String root = path.absolute(ArtifactStore.flutterRoot);
+
       directories = <String>[];
-      directories.addAll(_gatherProjectPaths(path.absolute('examples')));
-      directories.addAll(_gatherProjectPaths(path.absolute('packages')));
+      directories.addAll(_gatherProjectPaths(path.join(root, 'examples')));
+      directories.addAll(_gatherProjectPaths(path.join(root, 'packages')));
+      directories.addAll(_gatherProjectPaths(path.join(root, 'dev')));
       printStatus('Analyzing Flutter repository (${directories.length} projects).');
       for (String projectPath in directories)
         printTrace('  ${path.relative(projectPath)}');
@@ -511,8 +509,6 @@ class AnalyzeCommand extends FlutterCommand {
       int issueDiff = issueCount - lastErrorCount;
       lastErrorCount = issueCount;
 
-      // TODO(devoncarew): If there were no issues found, and no change in the
-      // issue count, do we want to print anything?
       if (firstAnalysis)
         errorsMessage = '$issueCount ${pluralize('issue', issueCount)} found';
       else if (issueDiff > 0)

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

@@ -94,9 +94,8 @@ class _ApkBuilder {
       '-I', _androidJar.path,
       '-F', outputApk.path,
     ];
-    if (resources != null) {
+    if (resources != null)
       packageArgs.addAll(['-S', resources.absolute.path]);
-    }
     packageArgs.add(artifacts.path);
     runCheckedSync(packageArgs);
   }
@@ -146,7 +145,6 @@ class BuildApkCommand extends FlutterCommand {
         help: 'Android manifest XML file.');
     argParser.addOption('resources',
         abbr: 'r',
-        defaultsTo: _kDefaultResourcesPath,
         help: 'Resources directory path.');
     argParser.addOption('output-file',
         abbr: 'o',
@@ -237,21 +235,15 @@ Future<_ApkComponents> _findApkComponents(
   components.jars = [new File(artifactPaths[1])];
   components.libSkyShell = new File(artifactPaths[2]);
   components.debugKeystore = new File(artifactPaths[3]);
-  components.resources = new Directory(resources);
+  components.resources = resources == null ? null : new Directory(resources);
 
   await parseServiceConfigs(components.services, jars: components.jars);
 
-  if (!components.resources.existsSync()) {
-    // TODO(eseidel): This level should be higher when path is manually set.
-    printStatus('Cannot locate Resources: ${components.resources}, ignoring.');
-    components.resources = null;
-  }
-
-  for (File f in [
+  for (File file in [
     components.manifest, components.icuData, components.libSkyShell, components.debugKeystore
   ]..addAll(components.jars)) {
-    if (!f.existsSync()) {
-      printError('Cannot locate file: ${f.path}');
+    if (!file.existsSync()) {
+      printError('Cannot locate file: ${file.path}');
       return null;
     }
   }
@@ -295,6 +287,7 @@ int _buildApk(
     ensureDirectoryExists(finalApk.path);
     builder.align(unalignedApk, finalApk);
 
+    printTrace('calculateSha: $outputFile');
     File apkShaFile = new File('$outputFile.sha1');
     apkShaFile.writeAsStringSync(calculateSha(finalApk));
 
@@ -370,7 +363,7 @@ Future<int> buildAndroid({
   String enginePath,
   bool force: false,
   String manifest: _kDefaultAndroidManifestPath,
-  String resources: _kDefaultResourcesPath,
+  String resources,
   String outputFile: _kDefaultOutputPath,
   String target: '',
   String flxPath,
@@ -392,6 +385,16 @@ Future<int> buildAndroid({
     return 0;
   }
 
+  if (resources != null) {
+    if (!FileSystemEntity.isDirectorySync(resources)) {
+      printError('Resources directory "$resources" not found.');
+      return 1;
+    }
+  } else {
+    if (FileSystemEntity.isDirectorySync(_kDefaultResourcesPath))
+      resources = _kDefaultResourcesPath;
+  }
+
   BuildConfiguration config = configs.firstWhere(
     (BuildConfiguration bc) => bc.targetPlatform == TargetPlatform.android_arm
   );
@@ -411,11 +414,10 @@ Future<int> buildAndroid({
     }
     return _buildApk(components, flxPath, keystore, outputFile);
   } else {
-    // Find the path to the main Dart file.
+    // Find the path to the main Dart file; build the FLX.
     String mainPath = findMainDartFile(target);
-
-    // Build the FLX.
     String localBundlePath = await flx.buildFlx(toolchain, mainPath: mainPath);
+
     return _buildApk(components, localBundlePath, keystore, outputFile);
   }
 }

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

@@ -43,7 +43,7 @@ class BuildFlxCommand extends FlutterCommand {
     if (compilerPath == null)
       await downloadToolchain();
     else
-      toolchain = new Toolchain(compiler: new Compiler(compilerPath));
+      toolchain = new Toolchain(compiler: new SnapshotCompiler(compilerPath));
 
     String outputPath = argResults['output-file'];
 

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

@@ -8,6 +8,7 @@ import 'dart:io';
 
 import '../android/android_device.dart';
 import '../application_package.dart';
+import '../artifacts.dart';
 import '../base/context.dart';
 import '../base/logger.dart';
 import '../device.dart';
@@ -386,24 +387,14 @@ class DeviceDomain extends Domain {
   }
 }
 
-Map<String, dynamic> _deviceToMap(Device device) {
-  return <String, dynamic>{
+Map<String, String> _deviceToMap(Device device) {
+  return <String, String>{
     'id': device.id,
     'name': device.name,
-    'platform': _enumToString(device.platform)
+    'platform': getNameForTargetPlatform(device.platform)
   };
 }
 
-/// Take an enum value and get the best string representation of that.
-///
-/// toString() on enums returns 'EnumType.enumName'.
-String _enumToString(dynamic enumValue) {
-  String str = '$enumValue';
-  if (str.contains('.'))
-    return str.substring(str.indexOf('.') + 1);
-  return str;
-}
-
 dynamic _toJsonable(dynamic obj) {
   if (obj is String || obj is int || obj is bool || obj is Map<dynamic, dynamic> || obj is List<dynamic> || obj == null)
     return obj;

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

@@ -9,12 +9,6 @@ import '../globals.dart';
 import '../runner/flutter_command.dart';
 
 class LogsCommand extends FlutterCommand {
-  @override
-  final String name = 'logs';
-
-  @override
-  final String description = 'Show log output for running Flutter apps.';
-
   LogsCommand() {
     argParser.addFlag('clear',
       negatable: false,
@@ -23,6 +17,12 @@ class LogsCommand extends FlutterCommand {
     );
   }
 
+  @override
+  final String name = 'logs';
+
+  @override
+  final String description = 'Show log output for running Flutter apps.';
+
   @override
   bool get requiresProjectRoot => false;
 

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

@@ -41,7 +41,7 @@ class RefreshCommand extends FlutterCommand {
     try {
       String snapshotPath = path.join(tempDir.path, 'snapshot_blob.bin');
 
-      int result = await toolchain.compiler.compile(
+      int result = await toolchain.compiler.createSnapshot(
           mainPath: argResults['target'], snapshotPath: snapshotPath
       );
       if (result != 0) {

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

@@ -42,7 +42,7 @@ abstract class RunCommandBase extends FlutterCommand {
         defaultsTo: false,
         help: 'Start tracing during startup.');
     argParser.addOption('route',
-        help: 'Which route to load when starting the app.');
+        help: 'Which route to load when running the app.');
     usesTargetOption();
   }
 
@@ -65,10 +65,10 @@ class RunCommand extends RunCommandBase {
   RunCommand() {
     argParser.addFlag('full-restart',
         defaultsTo: true,
-        help: 'Stop any currently running application process before starting the app.');
+        help: 'Stop any currently running application process before running the app.');
     argParser.addFlag('clear-logs',
         defaultsTo: true,
-        help: 'Clear log history before starting the app.');
+        help: 'Clear log history before running the app.');
     argParser.addFlag('start-paused',
         defaultsTo: false,
         negatable: false,
@@ -214,14 +214,12 @@ Future<int> startApp(
     await installApp(device, package);
   }
 
-  bool startedSomething = false;
-
   Map<String, dynamic> platformArgs = <String, dynamic>{};
 
   if (traceStartup != null)
     platformArgs['trace-startup'] = traceStartup;
 
-  printStatus('Starting ${_getDisplayPath(mainPath)} on ${device.name}...');
+  printStatus('Running ${_getDisplayPath(mainPath)} on ${device.name}...');
 
   bool result = await device.startApp(
     package,
@@ -236,10 +234,8 @@ Future<int> startApp(
   );
 
   if (!result) {
-    printError('Error starting application on ${device.name}.');
+    printError('Error running application on ${device.name}.');
   } else {
-    startedSomething = true;
-
     // If the user specified --start-paused (and the device supports it) then
     // wait for the observatory port to become available before returning from
     // `startApp()`.
@@ -247,7 +243,7 @@ Future<int> startApp(
       await delayUntilObservatoryAvailable('localhost', debugPort);
   }
 
-  return startedSomething ? 0 : 2;
+  return result ? 0 : 2;
 }
 
 /// Delay until the Observatory / service protocol is available.
@@ -257,6 +253,8 @@ Future<int> startApp(
 Future<Null> delayUntilObservatoryAvailable(String host, int port, {
   Duration timeout: const Duration(seconds: 10)
 }) async {
+  printTrace('Waiting until Observatory is available (port $port).');
+
   Stopwatch stopwatch = new Stopwatch()..start();
 
   final String url = 'ws://$host:$port/ws';

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

@@ -18,15 +18,6 @@ import 'run.dart';
 const String _kDefaultBundlePath = 'build/app.flx';
 
 class RunMojoCommand extends FlutterCommand {
-  @override
-  final String name = 'run_mojo';
-
-  @override
-  final String description = 'Run a Flutter app in mojo (from github.com/domokit/mojo).';
-
-  @override
-  final bool hidden;
-
   RunMojoCommand({ this.hidden: false }) {
     argParser.addFlag('android', negatable: false, help: 'Run on an Android device');
     argParser.addFlag('checked', negatable: false, help: 'Run Flutter in checked mode');
@@ -42,6 +33,15 @@ class RunMojoCommand extends FlutterCommand {
     argParser.addOption('devtools-path', help: 'Path to mojo devtools\' mojo_run command.');
   }
 
+  @override
+  final String name = 'run_mojo';
+
+  @override
+  final String description = 'Run a Flutter app in mojo (from github.com/domokit/mojo).';
+
+  @override
+  final bool hidden;
+
   @override
   bool get requiresProjectRoot => false;
 

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

@@ -10,6 +10,14 @@ import '../globals.dart';
 import '../runner/flutter_command.dart';
 
 class TraceCommand extends FlutterCommand {
+  TraceCommand() {
+    argParser.addFlag('start', negatable: false, help: 'Start tracing.');
+    argParser.addFlag('stop', negatable: false, help: 'Stop tracing.');
+    argParser.addOption('out', help: 'Specify the path of the saved trace file.');
+    argParser.addOption('duration',
+        defaultsTo: '10', abbr: 'd', help: 'Duration in seconds to trace.');
+  }
+
   @override
   final String name = 'trace';
 
@@ -22,14 +30,6 @@ class TraceCommand extends FlutterCommand {
     'time (controlled by --duration), and stop tracing. To explicitly control tracing, call trace\n'
     'with --start and later with --stop.';
 
-  TraceCommand() {
-    argParser.addFlag('start', negatable: false, help: 'Start tracing.');
-    argParser.addFlag('stop', negatable: false, help: 'Stop tracing.');
-    argParser.addOption('out', help: 'Specify the path of the saved trace file.');
-    argParser.addOption('duration',
-        defaultsTo: '10', abbr: 'd', help: 'Duration in seconds to trace.');
-  }
-
   @override
   bool get androidOnly => true;
 

packages/flutter_tools/lib/src/flx.dart

@@ -177,7 +177,11 @@ Future<int> build(
 
     // In a precompiled snapshot, the instruction buffer contains script
     // content equivalents
-    int result = await toolchain.compiler.compile(mainPath: mainPath, snapshotPath: snapshotPath, depfilePath: depfilePath, buildOutputPath: outputPath);
+    int result = await toolchain.compiler.createSnapshot(
+      mainPath: mainPath,
+      snapshotPath: snapshotPath,
+      depfilePath: depfilePath
+    );
     if (result != 0) {
       printError('Failed to run the Flutter compiler. Exit code: $result');
       return result;

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

@@ -99,14 +99,12 @@ class SimControl {
 
   SimDevice _createTestDevice() {
     SimDeviceType deviceType = _findSuitableDeviceType();
-    if (deviceType == null) {
+    if (deviceType == null)
       return null;
-    }
 
     String runtime = _findSuitableRuntime();
-    if (runtime == null) {
+    if (runtime == null)
       return null;
-    }
 
     // Delete any old test devices
     getDevices()
@@ -131,10 +129,8 @@ class SimControl {
 
     if (usableTypes.isEmpty) {
       printError(
-        'No suitable device type found.'
-        '\n'
-        'You may launch an iOS Simulator manually and Flutter will attempt to '
-        'use it.'
+        'No suitable device type found.\n'
+        'You may launch an iOS Simulator manually and Flutter will attempt to use it.'
       );
     }
 
@@ -153,10 +149,8 @@ class SimControl {
 
     if (usableRuntimes.isEmpty) {
       printError(
-        'No suitable iOS runtime found.'
-        '\n'
-        'You may launch an iOS Simulator manually and Flutter will attempt to '
-        'use it.'
+        'No suitable iOS runtime found.\n'
+        'You may launch an iOS Simulator manually and Flutter will attempt to use it.'
       );
     }
 
@@ -165,7 +159,7 @@ class SimControl {
 
   void _deleteDevice(SimDevice device) {
     try {
-      List<String> args = [_xcrunPath, 'simctl', 'delete', device.name];
+      List<String> args = <String>[_xcrunPath, 'simctl', 'delete', device.name];
       printTrace(args.join(' '));
       runCheckedSync(args);
     } catch(e) {
@@ -426,9 +420,8 @@ class IOSSimulator extends Device {
 
   @override
   String supportMessage() {
-    if (isSupported()) {
+    if (isSupported())
       return "Supported";
-    }
 
     return _supportMessage != null ? _supportMessage : "Unknown";
   }

packages/flutter_tools/lib/src/service_protocol.dart

@@ -21,11 +21,9 @@ class ServiceProtocolDiscovery {
   final DeviceLogReader _logReader;
   Completer<int> _completer = new Completer<int>();
 
-  /// The [Future] returned by this function will complete when the next
-  /// service protocol port is found.
-  Future<int> nextPort() {
-    return _completer.future;
-  }
+  /// The [Future] returned by this function will complete when the next service
+  /// protocol port is found.
+  Future<int> nextPort() => _completer.future;
 
   void _onLine(String line) {
     int portNumber = 0;

packages/flutter_tools/lib/src/toolchain.dart

@@ -11,12 +11,12 @@ import 'artifacts.dart';
 import 'base/process.dart';
 import 'build_configuration.dart';
 
-class Compiler {
-  Compiler(this._path);
+class SnapshotCompiler {
+  SnapshotCompiler(this._path);
 
-  String _path;
+  final String _path;
 
-  Future<int> compile({
+  Future<int> createSnapshot({
     String mainPath,
     String snapshotPath,
     String depfilePath,
@@ -28,12 +28,10 @@ class Compiler {
       '--package-root=${ArtifactStore.packageRoot}',
       '--snapshot=$snapshotPath'
     ];
-    if (depfilePath != null) {
+    if (depfilePath != null)
       args.add('--depfile=$depfilePath');
-    }
-    if (buildOutputPath != null) {
+    if (buildOutputPath != null)
       args.add('--build-output=$buildOutputPath');
-    }
     return runCommandAndStreamOutput(args);
   }
 }
@@ -56,13 +54,13 @@ Future<String> _getCompilerPath(BuildConfiguration config) async {
 class Toolchain {
   Toolchain({ this.compiler });
 
-  final Compiler compiler;
+  final SnapshotCompiler compiler;
 
   static Future<Toolchain> forConfigs(List<BuildConfiguration> configs) async {
     for (BuildConfiguration config in configs) {
       String compilerPath = await _getCompilerPath(config);
       if (compilerPath != null)
-        return new Toolchain(compiler: new Compiler(compilerPath));
+        return new Toolchain(compiler: new SnapshotCompiler(compilerPath));
     }
     return null;
   }

packages/flutter_tools/test/src/mocks.dart

@@ -28,11 +28,11 @@ class MockApplicationPackageStore extends ApplicationPackageStore {
   );
 }
 
-class MockCompiler extends Mock implements Compiler {
+class MockSnapshotCompiler extends Mock implements SnapshotCompiler {
 }
 
 class MockToolchain extends Toolchain {
-  MockToolchain() : super(compiler: new MockCompiler());
+  MockToolchain() : super(compiler: new MockSnapshotCompiler());
 }
 
 class MockAndroidDevice extends Mock implements AndroidDevice {