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January 8, 20267 min readBuilding a Logistics

Building a Logistics Management System UI with AI

R
Replay Team
Developer Advocates

TL;DR: Replay empowers developers to rapidly prototype and build a logistics management system UI directly from video recordings of user workflows, leveraging AI-powered behavior analysis for accurate code generation.

Building a Logistics Management System UI with AI: From Video to Code#

The biggest bottleneck in modern software development isn't writing code, it's understanding what code to write. Requirements documents are often incomplete, and stakeholder communication can be a challenge. What if you could bypass these hurdles and translate observed user behavior directly into a functional UI?

Enter Replay, a video-to-code engine that uses Gemini to reconstruct working UI from screen recordings. Instead of relying on static screenshots, Replay analyzes video to understand user intent, enabling a "Behavior-Driven Reconstruction" approach.

The Challenge: Traditional UI Development for Logistics#

Building a logistics management system UI is complex. It involves:

  • Tracking shipments across multiple locations
  • Managing inventory levels in real-time
  • Optimizing delivery routes for efficiency
  • Handling user roles with varying permissions
  • Integrating with external APIs (e.g., mapping services, shipping providers)

Traditional UI development methods for such systems often involve lengthy design sprints, multiple iterations based on user feedback, and significant manual coding effort. This can lead to delays, cost overruns, and a UI that doesn't perfectly match user needs.

Replay: A New Paradigm for UI Development#

Replay offers a faster, more intuitive approach. By recording user workflows within an existing logistics system (or even a competitor's system!), you can provide Replay with the raw material it needs to generate a functional UI. Replay doesn't just copy pixels; it understands the purpose behind each action.

FeatureScreenshot-to-CodeTraditional UI DevelopmentReplay
Input SourceScreenshotsDesign Specs, User StoriesVideo
Behavior AnalysisManual Interpretation
Code AccuracyLimitedHigh (Manual)High (AI-Powered)
Development SpeedModerateSlowFast
MaintenanceDifficultModerateEasier (Re-record & Regenerate)

Building a Logistics UI with Replay: A Practical Example#

Let's walk through a simplified example of how you can use Replay to build parts of a logistics management system UI. Imagine you've recorded a video of a user creating a new shipment in a legacy system. This video showcases the process of entering shipment details, selecting a carrier, and scheduling a pickup.

Step 1: Upload and Analyze the Video

Upload your video to the Replay platform. Replay will analyze the video frame-by-frame, identifying UI elements, user interactions (clicks, form inputs), and the overall flow of the process. This is where the "Behavior-Driven Reconstruction" comes into play. Replay isn't just seeing buttons and fields; it's understanding that the user is creating a shipment.

Step 2: Configure the Output

Specify your desired output format (e.g., React, Vue, HTML/CSS). You can also configure Replay to use a specific UI library (e.g., Material UI, Tailwind CSS). This allows you to seamlessly integrate the generated code into your existing project.

Step 3: Review and Refine the Generated Code

Replay generates clean, well-structured code based on its analysis of the video. You can review the generated code within the Replay interface and make any necessary adjustments. This might involve tweaking styles, adding custom logic, or refining the UI layout.

Step 4: Integrate with Supabase (Optional)

Replay offers seamless integration with Supabase. This allows you to quickly connect the generated UI to a backend database and authentication system. For example, the shipment data entered in the UI can be automatically stored in a Supabase table.

typescript
// Example: Fetching shipment data from Supabase import { createClient } from '@supabase/supabase-js' const supabaseUrl = 'YOUR_SUPABASE_URL' const supabaseKey = 'YOUR_SUPABASE_ANON_KEY' const supabase = createClient(supabaseUrl, supabaseKey) const getShipments = async () => { const { data: shipments, error } = await supabase .from('shipments') .select('*') if (error) { console.error("Error fetching shipments:", error); return []; } return shipments; } // Usage example in a React component: import React, { useState, useEffect } from 'react'; function ShipmentList() { const [shipments, setShipments] = useState([]); useEffect(() => { getShipments().then(data => setShipments(data)); }, []); return ( <ul> {shipments.map(shipment => ( <li key={shipment.id}>{shipment.tracking_number} - {shipment.destination}</li> ))} </ul> ); } export default ShipmentList;

💡 Pro Tip: For complex UIs, break down the video into smaller segments. This can improve the accuracy of the code generation and make it easier to review and refine the output.

Step 5: Style Injection

Replay allows you to inject custom CSS styles into the generated code. This ensures that the UI matches your brand guidelines and integrates seamlessly with your existing design system. You can either provide a CSS file or use Replay's built-in style editor.

css
/* Example: Custom styling for the shipment list */ .shipment-list { border: 1px solid #ccc; padding: 10px; margin-bottom: 10px; } .shipment-list li { list-style: none; margin-bottom: 5px; }

Benefits of Using Replay for Logistics UI Development#

  • Rapid Prototyping: Generate a functional UI in minutes, not days.
  • Improved Accuracy: Behavior-driven reconstruction ensures the UI accurately reflects user needs.
  • Reduced Development Costs: Automate the tedious aspects of UI development.
  • Enhanced Collaboration: Use videos to communicate requirements and gather feedback.
  • Easy Maintenance: Re-record and regenerate the UI as requirements evolve.
  • Multi-page Generation: Create entire workflows, not just single pages.
  • Product Flow Maps: Visualize the user journey and identify areas for improvement.

⚠️ Warning: While Replay significantly accelerates UI development, it's not a magic bullet. You'll still need to review and refine the generated code, especially for complex UIs or those requiring custom logic.

📝 Note: Replay excels at reconstructing common UI patterns and workflows. It may require more manual intervention for highly customized or unconventional UIs.

Beyond the Basics: Advanced Use Cases#

Replay can be used for more than just prototyping. Consider these advanced use cases:

  • Modernizing Legacy Systems: Reconstruct the UI of an outdated system without having access to the original source code.
  • A/B Testing: Quickly create variations of a UI for A/B testing purposes.
  • User Training: Generate interactive tutorials based on video recordings of user workflows.
  • Competitive Analysis: Analyze the UI of competitor products and quickly prototype alternative designs.

Frequently Asked Questions#

Is Replay free to use?#

Replay offers a free tier with limited usage. Paid plans are available for higher usage limits and access to advanced features. Check the pricing page for the most up-to-date information.

How is Replay different from v0.dev?#

While both tools aim to accelerate UI development, Replay distinguishes itself through its video-to-code approach. Unlike v0.dev, which typically relies on text prompts or design files, Replay analyzes video recordings of user behavior to understand the intent behind the UI. This allows for more accurate and context-aware code generation. Replay is best used to recreate existing UI flows, whereas v0.dev is better for creating new UIs from scratch.

What types of videos work best with Replay?#

Clear, high-resolution videos with minimal distractions tend to produce the best results. Ensure that the UI elements are clearly visible and that the user interactions are easily discernible.

What code frameworks does Replay support?#

Replay currently supports React, Vue, and HTML/CSS. Support for additional frameworks is planned for future releases.

Can I use Replay to generate mobile app UIs?#

Replay can generate code that is compatible with mobile app development frameworks like React Native. However, the video recording should be of a mobile app UI, not a desktop UI.


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