emulate --availableDevices fixed

Author: Vladimir Enchev

lib/services/platform-service.ts

@@ -482,8 +482,34 @@ export class PlatformService implements IPlatformService {
 	}
 
 	public deployOnEmulator(platform: string, buildConfig?: IBuildConfig): IFuture<void> {
-		this.$options.emulator = true;
-		return this.deployOnDevice(platform, buildConfig);
+		platform = platform.toLowerCase();
+
+		if (this.$options.availableDevices) {
+			return (() => {
+				let exec = require("child_process").exec;
+
+				if (this.$mobileHelper.isiOSPlatform(platform)) {
+					exec("instruments -s devices", (error: Error, stdout: string, stderr: string) => {
+						if (error !== null) {
+							this.$errors.fail(error);
+						} else {
+							this.$logger.info(stdout);
+						}
+					});
+				} else if (this.$mobileHelper.isAndroidPlatform(platform)) {
+					exec("android list avd", (error: Error, stdout: string, stderr: string) => {
+						if (error !== null) {
+							this.$errors.fail(error);
+						} else {
+							this.$logger.info(stdout);
+						}
+					});
+				}
+			}).future<void>()();
+		} else {
+			this.$options.emulator = true;
+			return this.deployOnDevice(platform, buildConfig);
+		}
 	}
 
 	public validatePlatform(platform: string): void {