94 lines
2.8 KiB
Dart
94 lines
2.8 KiB
Dart
// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import '../base/common.dart';
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import '../base/platform.dart';
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import '../base/utils.dart';
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import '../doctor.dart';
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import '../emulator.dart';
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import '../globals.dart';
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import '../runner/flutter_command.dart';
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class EmulatorsCommand extends FlutterCommand {
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EmulatorsCommand() {
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argParser.addOption('launch',
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help: 'The full or partial ID of the emulator to launch.');
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}
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@override
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final String name = 'emulators';
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@override
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final String description = 'List and launch available emulators.';
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@override
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final List<String> aliases = <String>['emulator'];
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@override
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Future<Null> runCommand() async {
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if (doctor.workflows.every((Workflow w) => !w.canListEmulators)) {
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throwToolExit(
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'Unable to find any emulator sources. Please ensure you have some\n'
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'Android AVD images ' +
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(platform.isMacOS ? 'or an iOS Simulator ' : '') +
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'available.',
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exitCode: 1);
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}
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if (argResults.wasParsed('launch')) {
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await _launchEmulator(argResults['launch']);
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} else {
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final String searchText =
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argResults.rest != null && argResults.rest.isNotEmpty
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? argResults.rest.first
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: null;
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await _listEmulators(searchText);
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}
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}
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Future<Null> _launchEmulator(String id) async {
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final List<Emulator> emulators =
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await emulatorManager.getEmulatorsMatching(id);
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if (emulators.isEmpty) {
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printStatus("No emulator found that matches '$id'.");
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} else if (emulators.length > 1) {
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_printEmulatorList(
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emulators,
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"More than one emulator matches '$id':",
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);
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} else {
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await emulators.first.launch();
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}
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}
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Future<Null> _listEmulators(String searchText) async {
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final List<Emulator> emulators = searchText == null
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? await emulatorManager.getAllAvailableEmulators()
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: await emulatorManager.getEmulatorsMatching(searchText);
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if (emulators.isEmpty) {
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printStatus('No emulators available.\n\n'
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// TODO(dantup): Change these when we support creation
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// 'You may need to create images using "flutter emulators --create"\n'
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'You may need to create one using Android Studio '
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'or visit https://flutter.io/setup/ for troubleshooting tips.');
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} else {
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_printEmulatorList(
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emulators,
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'${emulators.length} available ${pluralize('emulator', emulators.length)}:',
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);
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}
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}
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void _printEmulatorList(List<Emulator> emulators, String message) {
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printStatus('$message\n');
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Emulator.printEmulators(emulators);
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printStatus(
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"\nTo run an emulator, run 'flutter emulators --launch <emulator id>'.");
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}
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}
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