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For one of our Healthcare Engagement solution, we have received a new use case requirement. We need to build an LG TV App.
One of the hospitals is in the process of installing LG TVs, these TVs are running LG Web OS (we don't know the exact version yet, will collect detail).
The idea is to build an application that can be deployed on these TVs and use the application to display the Patient Care specific information.
Our existing solution is already integrated with HL7 and other Healthcare data services. We are collecting, transforming and storing these data for internal distribution. Once stored, the events are propogated to connected devices through Pub/Sub. The existing UI is built using ReactJS with Pub/Sub integration to receive LIVE data from backend. This new use case is only for the LG TVs, for other types of Android devices we already have a Native Android application built with React Native and other technologies.
The following is the list of questions and answers already discussed with the client.
--- Iteration 1 ---
Sub-Section: User Profiles
Q: Could you provide more details about the specific needs and preferences of each user group (middle-aged, young, older, incapacitated patients) in terms of UI/UX design?
A: Simple and straight forward to use.
Sub-Section: Navigation
Q: What are your expectations for the navigation structure of the app? Are there any specific navigation paradigms or examples from other TV apps that you find particularly user-friendly?
A: The navigation has to work through given TV remote control.
Sub-Section: Information Display
Q: How do you envision the layout and prioritization of information on the screen? Are there any specific design elements or features that you consider essential for effective information display? A: We are planning to include basic UI layout that can display the received information in clear and concise format.
Sub-Section: Data Integration
Q: Can you elaborate on the specific HL7 messages and data elements that will be used to populate the patient information on the TV app? A: Yes, HL7 integration with our backend system is already done. We are already receiving all the relevant data and events. For this use case, we need to focus only on how we will make those data visible to an LG webOS Application.
Sub-Section: Alerts
Q: What types of alerts will be displayed on the TV UI? How should these alerts be presented to the user (e.g., visual notifications, audio cues)?
A: Yes, it will be mostly visual notifications. For example, in case of a Nurse Entered In Room alert, a small overlay will be displayed on the Bottom-Right of the screen to display the Name of the Nurse and Time of Entry.
Sub-Section: Service Requests
Q: Can you provide a comprehensive list of service requests that patients will be able to make through the TV app? How should these requests be handled and routed to the appropriate staff members?
A: There are just a few as of now. For example, requesting socks, towel, medicine, etc.
Sub-Section: Live TV Integration
Q: Are there any specific requirements or considerations for integrating with DirecTV? For example, will users need to authenticate their DirecTV accounts within the app?
A: No, there is no authentication needed. We just need to allow user to switch to Live TV and let them continue selecting channels and programs there.
Sub-Section: Educational Content
Q: Can you provide more details about the format and accessibility of the educational content in the media library? Will the app require any specific media player capabilities to handle different file types?
A: Yes, the application has a module of custom video library. This has video content that we have built or purchased from 3rd party providers. We want to utilize these content to LG TV app as well, if possible.
--- Iteration 2 ---
Sub-Section: User Profiles
Q: While simplicity is key, could we delve deeper into any specific accessibility features or design considerations for each user group (e.g., font sizes for older patients, color contrast for visually impaired)?
A: Because this is a TV app, we need to assume all the display specific elements are aligned to how a regular TV would display those content.
Sub-Section: Navigation
Q: Beyond the TV remote, are there any touch-screen capabilities or alternative input methods we should consider for navigation?
A: Not, only TV remote control. These LG TVs have no touch capabilities.
Sub-Section: Information Display
Q: Can you provide examples of the specific information you envision displaying (e.g., medication schedules, dietary restrictions) and how you'd like it prioritized on the screen?
A: The suggested TVs are 65" in the size, so there is ample of space available to display relevant modules. We will be displaying important information like Patient Name, Contact, Care Team, Medication Schedule, and Dietary Restrictions etc.
Sub-Section: Data Integration
Q: To ensure seamless integration, could you share the specific HL7 version and message types used in your existing system?
A: That is beyond the scope of this use case as the integration is already done and working. Assume that we have necessary data already available in the backend system.
Sub-Section: Alerts
Q: Are there different alert priorities or categories? How should the system handle multiple alerts appearing simultaneously?
A: Yes, we already have a UI logic that can show different alert based on their priorities. The existing UI is built using ReactJS with Pub/Sub integration to receive LIVE data from backend.
Sub-Section: Service Requests
Q: Could we explore the workflow for handling service requests, including escalation procedures and response time expectations?
A: We will make an API call to backend and the backend will pass through that request to target system. The only important this from the current scope of work is to Click and Raise the selected request. There is no textual input required.
Sub-Section: Live TV Integration
Q: Are there any specific channels or features within DirecTV that need to be accessible directly from our application?
A: All the Channel stations that is subscribed by the hospital network. We do not have full detail as of yet, but they just want to toggle between regular TV and our app.
Sub-Section: Educational Content
Q: Can you elaborate on the types of educational content (e.g., videos, interactive modules) and the desired playback functionalities?
A: Yes, these are mostly static videos on different categories.
Based on the provided requirements and discussions with the client, here's a comprehensive analysis of the technical aspects for building an LG webOS application for the Healthcare Engagement solution:
Development and Deployment Workflow for LG webOS Application:
Tools Required:
JavaScript and ReactJS Usage:
Toggling Between LG TV Channels and Custom Application:
Sample JavaScript Code for Toggling:
webOS.service.request("luna://com.webos.applicationManager", {
method: "launch",
parameters: {
id: "com.example.livetv" // Replace with the actual Live TV app ID
},
onSuccess: function (response) {
console.log("Live TV launched successfully");
},
onFailure: function (response) {
console.error("Failed to launch Live TV:", response);
}
});Architecture and Technology Considerations:
Additional Recommendations:
Conclusion:
Leveraging webOS TV SDK, JavaScript, and ReactJS along with the existing backend infrastructure, the development team can efficiently build and deploy a user-friendly and feature-rich Healthcare Engagement application for LG webOS TVs. The proposed architecture ensures a cost-optimized solution while utilizing the latest technologies to meet the client's requirements.
This project involves developing a custom LG TV app for a healthcare facility to enhance patient engagement and experience. The app will leverage existing healthcare data infrastructure and integrate with LG WebOS to display patient information, alerts, and provide access to entertainment and educational content.
LG Developer Site: https://webostv.developer.lge.com/develop/getting-started/build-your-first-web-app
Install Node.js and npm: Ensure you have Node.js (version 14 or higher) and npm (version 5.6 or higher) installed on your system. You can download them from the official Node.js website.
Install webOS TV CLI: The webOS TV CLI provides tools for creating, building, and deploying webOS TV applications. Install it globally using npm:
npm install -g @lgwebos/cliSet Up Development Tools: Choose a code editor or IDE that supports JavaScript and React development. Popular options include Visual Studio Code, WebStorm, or Atom.
Create a New Project: Use the webOS TV CLI to create a new project:
ares-generate <project-name>This will generate a basic project structure with essential files and configuration.
Install React and Required Libraries: Navigate to your project directory and install React and other necessary libraries using npm:
cd <project-name>
npm install react react-domYou may also need additional libraries depending on your specific requirements, such as react-router-dom for navigation, axios for API calls, or UI component libraries like material-ui.
Project Structure: A typical ReactJS webOS TV app structure might look like this:
<project-name>/
├── src/
│ ├── components/ // Reusable UI components
│ │ ├── Header.js
│ │ ├── PatientInfo.js
│ │ ├── ...
│ ├── App.js // Main application component
│ ├── index.js // Entry point for the application
│ └── ...
├── public/ // Static assets (images, fonts, etc.)
├── package.json
└── ...
// src/App.js
import React, { useState, useEffect } from 'react';
import PatientInfo from './components/PatientInfo';
// ... other imports
function App() {
const [patientData, setPatientData] = useState({});
useEffect(() => {
// Fetch patient data from backend API
fetch('/api/patient-info')
.then(response => response.json())
.then(data => setPatientData(data));
}, []);
return (
<div className="App">
{/* Header or Navigation Bar */}
<PatientInfo data={patientData} />
{/* ... other UI components */}
</div>
);
}
export default App;This sample demonstrates a basic React component structure and data fetching using the fetch API. You would replace the placeholder API endpoint and components with your actual implementation.
Build the App: Use the webOS TV CLI to build your application for deployment:
ares-buildThis will create a packaged app file (IPK) in the dist directory.
Deploy to LG TV: You can deploy the IPK file to an LG TV using a USB drive or through a network connection. Refer to the webOS TV documentation for detailed instructions on deployment methods.
webOS TV APIs: Explore the webOS TV SDK documentation to learn about available APIs for interacting with TV functionalities, such as launching apps, controlling playback, and accessing system information.
React Libraries: Consider using React libraries like react-tv or react-virtualized for TV-specific UI development and performance optimization.
Testing: Implement thorough testing strategies using tools like Jest and React Testing Library to ensure the quality and reliability of your app.
Remember to tailor this sample structure and code to your specific project requirements and design.