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iOS Simulator: Attempt 'sideloading' the updated Flutter application if the application runner is already up

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* This makes the turnaround times < 2 seconds on the iOS simulator.
* Also bumps the engine to use the new engine required to support the flags.
This commit is contained in:
Chinmay Garde 2016-03-02 11:40:10 -08:00
parent 0d498374dc
commit 9f4fdcb866
2 changed files with 65 additions and 25 deletions
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2
bin/cache/engine.version vendored
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@ -1 +1 @@
3a48f9c90b6406b10d5a8a1897c147c71ccc59ba
d474e9d2b60a9cb111c09844c10081b68bde9252

88
packages/flutter_tools/lib/src/ios/simulators.dart
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@ -14,6 +14,7 @@ import '../base/context.dart';
import '../base/process.dart';
import '../build_configuration.dart';
import '../device.dart';
import '../flx.dart' as flx;
import '../globals.dart';
import '../toolchain.dart';
import 'mac.dart';
@ -314,12 +315,69 @@ class IOSSimulator extends Device {
int debugPort: observatoryDefaultPort,
Map<String, dynamic> platformArgs
}) async {
// TODO(chinmaygarde): Use mainPath, route.
printTrace('Building ${app.name} for $id.');
if (clearLogs)
this.clearLogs();
if(!(await _setupUpdatedApplicationBundle(app, toolchain)))
return false;
// Prepare launch arguments.
List<String> args = <String>[
"--flx=${path.absolute(path.join('build', 'app.flx'))}",
"--dart-main=${path.absolute(mainPath)}",
"--package-root=${path.absolute('packages')}",
];
if (checked)
args.add("--enable-checked-mode");
if (startPaused)
args.add("--start-paused");
if (debugPort != observatoryDefaultPort)
args.add("--observatory-port=$debugPort");
// Launch the updated application in the simulator.
try {
SimControl.instance.launch(id, app.id, args);
} catch (error) {
printError('$error');
return false;
}
printTrace('Successfully started ${app.name} on $id.');
return true;
}
bool _applicationIsInstalledAndRunning(ApplicationPackage app) {
bool isInstalled = exitsHappy([
'xcrun',
'simctl',
'get_app_container',
'booted',
app.id,
]);
bool isRunning = exitsHappy([
'/usr/bin/killall',
'Runner',
]);
return isInstalled && isRunning;
}
Future<bool> _setupUpdatedApplicationBundle(ApplicationPackage app, Toolchain toolchain) async {
if (_applicationIsInstalledAndRunning(app)) {
return _sideloadUpdatedAssetsForInstalledApplicationBundle(app, toolchain);
} else {
return _buildAndInstallApplicationBundle(app);
}
}
Future<bool> _buildAndInstallApplicationBundle(ApplicationPackage app) async {
// Step 1: Build the Xcode project.
bool buildResult = await buildIOSXcodeProject(app, buildForDevice: false);
if (!buildResult) {
@ -337,32 +395,14 @@ class IOSSimulator extends Device {
// Step 3: Install the updated bundle to the simulator.
SimControl.instance.install(id, path.absolute(bundle.path));
// Step 4: Prepare launch arguments.
List<String> args = <String>[];
if (checked)
args.add("--enable-checked-mode");
if (startPaused)
args.add("--start-paused");
if (debugPort != observatoryDefaultPort)
args.add("--observatory-port=$debugPort");
// Step 5: Launch the updated application in the simulator.
try {
SimControl.instance.launch(id, app.id, args);
} catch (error) {
printError('$error');
return false;
}
printTrace('Successfully started ${app.name} on $id.');
return true;
}
Future<bool> _sideloadUpdatedAssetsForInstalledApplicationBundle(
ApplicationPackage app, Toolchain toolchain) async {
return (await flx.build(toolchain, precompiledSnapshot: true)) == 0;
}
@override
Future<bool> stopApp(ApplicationPackage app) async {
// Currently we don't have a way to stop an app running on iOS.