List devices command

Author: Fatme Havaluova

lib/bootstrap.ts

@@ -27,6 +27,7 @@ $injector.requireCommand("build", "./commands/build");
 $injector.requireCommand("deploy", "./commands/deploy");
 $injector.requireCommand("dev-post-install", "./commands/post-install");
 $injector.requireCommand("emulate", "./commands/emulate");
+$injector.requireCommand("list-devices", "./commands/list-devices");
 
 $injector.require("npm", "./node-package-manager");
 $injector.require("config", "./config");

lib/commands/list-devices.ts

@@ -0,0 +1,21 @@
+///<reference path="../.d.ts"/>
+import helpers = require("./../common/helpers");
+import util = require("util")
+
+export class ListDevicesCommand implements ICommand {
+	constructor(private $devicesServices: Mobile.IDevicesServices,
+				private $logger: ILogger) { }
+
+	execute(args: string[]): IFuture<void> {
+		return (() => {
+			var index = 1;
+			this.$devicesServices.initialize(args[0], null, {skipInferPlatform: true}).wait();
+
+			var action = (device: Mobile.IDevice) => {
+				return (() => { this.$logger.out("#%d: '%s'", (index++).toString(), device.getDisplayName(), device.getPlatform(), device.getIdentifier()); }).future<void>()();
+			};
+			this.$devicesServices.execute(action, undefined, {allowNoDevices: true}).wait();
+		}).future<void>()();
+	}
+}
+$injector.registerCommand("list-devices", ListDevicesCommand);

resources/help.txt

@@ -16,6 +16,7 @@ General commands:
     build                           Builds the project for the selected target platform and produces an application package.
     deploy                          Deploys the project to a connected device.
     run                             Runs your project on a connected device. This is shorthand for prepare, build, and deploy.
+    list-devices                    Lists all recognized connected devices.
     feature-usage-tracking          Configures anonymous feature usage tracking.
 
 General options:
@@ -175,6 +176,17 @@ Runs your project on a connected device. This is shorthand for prepare, build, a
 
 Usage:
     $ tns emulate [<platform>]
+
+--[/]--
+
+--[list-devices]--
+
+Lists all recognized connected devices with serial number and index, grouped by platform. In this version of the Telerik NativeScript CLI,
+you can connect only iOS and Android devices.
+
+If a connected Android device is not shown in the list, make sure that you have installed the required Android USB drivers on your system
+and that USB debugging is enabled on the device.
+
 --[/]--
 
 --[feature-usage-tracking]--