// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'dart:async'; import '../application_package.dart'; import '../base/common.dart'; import '../cache.dart'; import '../device.dart'; import '../globals.dart' as globals; import '../runner/flutter_command.dart'; class InstallCommand extends FlutterCommand with DeviceBasedDevelopmentArtifacts { InstallCommand() { requiresPubspecYaml(); } @override final String name = 'install'; @override final String description = 'Install a Flutter app on an attached device.'; Device device; @override Future<void> validateCommand() async { await super.validateCommand(); device = await findTargetDevice(); if (device == null) { throwToolExit('No target device found'); } } @override Future<FlutterCommandResult> runCommand() async { final ApplicationPackage package = await applicationPackages.getPackageForPlatform(await device.targetPlatform); Cache.releaseLockEarly(); globals.printStatus('Installing $package to $device...'); if (!await installApp(device, package)) { throwToolExit('Install failed'); } return FlutterCommandResult.success(); } } Future<bool> installApp(Device device, ApplicationPackage package, { bool uninstall = true }) async { if (package == null) { return false; } if (uninstall && await device.isAppInstalled(package)) { globals.printStatus('Uninstalling old version...'); if (!await device.uninstallApp(package)) { globals.printError('Warning: uninstalling old version failed'); } } return device.installApp(package); }