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96 lines
2.6 KiB
Dart
96 lines
2.6 KiB
Dart
// Copyright 2014 The Flutter 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 '../application_package.dart';
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import '../base/common.dart';
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import '../base/io.dart';
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import '../cache.dart';
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import '../device.dart';
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import '../globals.dart' as globals;
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import '../runner/flutter_command.dart';
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class InstallCommand extends FlutterCommand with DeviceBasedDevelopmentArtifacts {
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InstallCommand() {
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requiresPubspecYaml();
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argParser.addFlag('uninstall-only',
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negatable: true,
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defaultsTo: false,
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help: 'Uninstall the app if already on the device. Skip install.',
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);
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}
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@override
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final String name = 'install';
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@override
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final String description = 'Install a Flutter app on an attached device.';
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Device device;
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bool get uninstallOnly => boolArg('uninstall-only');
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@override
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Future<void> validateCommand() async {
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await super.validateCommand();
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device = await findTargetDevice();
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if (device == null) {
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throwToolExit('No target device found');
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}
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}
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@override
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Future<FlutterCommandResult> runCommand() async {
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final ApplicationPackage package = await applicationPackages.getPackageForPlatform(await device.targetPlatform);
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Cache.releaseLockEarly();
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if (uninstallOnly) {
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await _uninstallApp(package);
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} else {
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await _installApp(package);
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}
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return FlutterCommandResult.success();
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}
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Future<void> _uninstallApp(ApplicationPackage package) async {
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if (await device.isAppInstalled(package)) {
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globals.printStatus('Uninstalling $package from $device...');
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if (!await device.uninstallApp(package)) {
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globals.printError('Uninstalling old version failed');
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}
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} else {
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globals.printStatus('$package not found on $device, skipping uninstall');
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}
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}
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Future<void> _installApp(ApplicationPackage package) async {
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globals.printStatus('Installing $package to $device...');
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if (!await installApp(device, package)) {
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throwToolExit('Install failed');
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}
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}
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}
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Future<bool> installApp(Device device, ApplicationPackage package, { bool uninstall = true }) async {
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if (package == null) {
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return false;
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}
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try {
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if (uninstall && await device.isAppInstalled(package)) {
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globals.printStatus('Uninstalling old version...');
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if (!await device.uninstallApp(package)) {
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globals.printError('Warning: uninstalling old version failed');
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}
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}
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} on ProcessException catch (e) {
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globals.printError('Error accessing device ${device.id}:\n${e.message}');
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}
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return device.installApp(package);
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}
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