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8 Note The Safari browser should have been installed to your PC to use Web Inspector in LG IDE. Debugging on LG Smart TV Emulator 2011 1. In IDE, click Run Emulator Debug Configuration menu or toolbar icon. WebOS TV SDK for VS Code Generate/Run/Debug your apps with webOS TV devices Prerequisites. WebOS TV SDK CLI must be the latest version. Installation link is here.; The same version of Chrome(chromium) on webOS TV is required to run webOS TV: Inspect Application and webOS TV: Debug Application commands.

Welcome to the webOS Open Source Edition (OSE)! This page will guide you through the process of setting up the environment and developing your first app.

Environment Setup

First, let’s set up your environment.

webOS OSE provides you with two options for the target environment.

Real device: For those of you who want to test on a real device, webOS OSE supports Raspberry Pi (RPi).
- webOS OSE 2.0 officially supports Raspberry Pi 4 Model B.
- webOS OSE 1.x officially supports Raspberry Pi 3 Model B.
Emulator: For developers who don’t have RPi on hand or prefer to work on a virtual environment, webOS OSE provides the emulator as a part of its SDK.

You need to create an image for the desired target and prepare the target environment.

Real Device

Before you begin, check the system requirements.
Build the source code to create an image for RPi. Ensure that you set up the build for RPi at the configuration step.
Flash the built image to RPi.
Set up networking between the host machine and RPi.
If you use webOS OSE 2.0 or higher and RPi 4 for a target device, consider setting up dual displays.

Emulator

Before you begin, check the system requirements for the build system, host machine, and the emulator host.
Build the source code to create an image for the emulator. Make sure that you set up the build for the emulator at the configuration step.
Set up the emulator by following the steps in emulator user guide.

Your First webOS OSE App

If you finished setting up the environment, it’s time to start developing your first app running on webOS OSE, which will be an external web app.

Install CLI

To develop an external web app, you will use Command-Line Interface (CLI), which is provided as a part of webOS OSE SDK. You can also use CLI to develop external JavaScript (JS) services.

Proceed to install CLI for your operating system.

Develop the External Web App

Follow the steps described in the Developing External Web Apps tutorial.

What’s Next

If you are interested in developing an external JS service, which will be packaged along with the web app you’ve just created, check the Developing External JS Services tutorial.

Generate/Run/Debug your apps with webOS TV devices

Prerequisites

webOS TV SDK CLI must be the latest version. Installation link is here.
The same version of Chrome(chromium) on webOS TV is required to run webOS TV: Inspect Application and webOS TV: Debug Application commands.

Installation

Open Extensions(Ctrl+Shit+X).
Search webOS TV and install it from the Marketplace.

Configuration

(Required) Set the path of Chrome executable for debugging apps on webOS TV with the web inspector.

webostv.chromeExecutable: Location of Chrome executable for debugging, e.g. C:webOS_TV_SDKIDEchromiumchrome.exe

(Optional) To skip selecting a device every time you run a command, set a default device.

webostv.defaultDevice : Default device name, e.g. emulator

You can modify your settings from File > Preferences > Settings (Ctrl+,)

Connecting Device

To run or debug apps on the device(except the emulator), developer mode and SSH key should be set. Please refer to here for more information.

Step1. Developer Mode

Install the Developer Mode app from LG Content Store.
Launch the Developer Mode app and login.
Click the Dev Mode Status button to be ON.

Step2. Device Registration

Select webOS TV: Set Up Device from the Command Palette(Ctrl+Shit+P) and select Add Device.
You can also click on the Add Device icon in the webOS TV Devices in the Activity Bar.
Enter your device name.
Enter the device's IP address.
Enter the device's port number for connection. In most situation, simply press 'Enter' to set it as the default value(22).
Enter the device's username for connection. In most situation, simply press 'Enter' to set it as the default value(root).

Step3. SSH Key Setting

After turning on the Developer Mode on the device, launch the Developer Mode app.
Click the Key Server button to be ON.
Select webOS TV: Set Up SSH Key from the Command Palette(Ctrl+Shit+P) and select the device.
You can also right-click on the device and select Set Up SSH Key in the webOS TV Devices in the Activity Bar.
Enter the passphrase (case sensitive) as displayed on the Developer Mode app.

Developing with Command Palette

To see all available webOS TV commands, open the Command Palette and type webOS TV.

Part1. Developing App

webOS TV: Generate Project - Create a web app from a template.
webOS TV: Preview Application - Runs a web server for testing local app files.
webOS TV: Package Application - Package the app into a package file (.ipk) that is stored in a specified directory.

Part2. Connecting Device

webOS TV: Set Up Device - Add, modify, or remove devices from the devices list.
webOS TV: Set Up SSH Key - Get a private key from webOS TV device. After getting the private key, you can install, launch apps or run other commands on webOS TV.

Part3. Testing App on Device

webOS TV: Install Application - Install an app on the device.
webOS TV: Launch Application - Run an app installed on the device.
webOS TV: Inspect Application - Run Web Inspector and open the browser. Web Inspector displays the running information about your app.

Part4. Batch Commands

webOS TV: Run Application - Package, Install, and Launch are executed sequentially.
webOS TV: Debug Application - Package, Install, and Inspect are executed sequentially.