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January 8, 20267 min readReplay: Generate UI

Replay: Generate UI for Financial Reporting Software from Demonstration Videos

R
Replay Team
Developer Advocates

TL;DR: Replay lets you generate fully functional UI code for financial reporting software directly from demonstration videos, saving you weeks of development time.

The holy grail of software development is speed. Building complex UIs, especially for specialized domains like financial reporting, often involves tedious manual coding, lengthy design iterations, and constant back-and-forth between developers and stakeholders. What if you could simply show the system you want to build, and it would generate the code for you? That's the promise of Replay.

The Problem: Building Financial Reporting UIs the Hard Way#

Financial reporting software demands precision, clarity, and a deep understanding of complex financial concepts. Developing the UI for such applications traditionally involves:

  • Detailed specifications: Writing exhaustive requirements documents that are often misinterpreted.
  • Manual coding: Translating designs into code, a process prone to errors and inconsistencies.
  • Extensive testing: Ensuring the UI accurately reflects the underlying data and logic.
  • Iterative refinement: Addressing feedback from stakeholders, leading to multiple rounds of revisions.

This process is time-consuming, expensive, and often frustrating. Existing screenshot-to-code tools offer limited value because they only capture the visual appearance, not the behavior of the UI. They can't understand the flow of data, the interactions between components, or the underlying business logic.

Replay: Behavior-Driven Reconstruction for Financial Reporting#

Replay changes the game by analyzing video demonstrations of your desired UI. Instead of just looking at static images, Replay's AI engine, powered by Gemini, understands the intent behind each interaction. It observes how users navigate the interface, manipulate data, and trigger actions. This "Behavior-Driven Reconstruction" allows Replay to generate code that not only looks right but also works as intended.

How Replay Works#

Replay leverages video as the source of truth. It analyzes the visual elements, user interactions, and data flows captured in the video to reconstruct a fully functional UI.

Here's a simplified overview of the process:

  1. Video Upload: You upload a video demonstrating the desired UI for your financial reporting software. This could be a recording of a user interacting with a prototype, a walkthrough of an existing application, or even a whiteboard session outlining the functionality.

  2. Behavioral Analysis: Replay analyzes the video, identifying UI elements, user actions (clicks, scrolls, form inputs), and data transformations.

  3. Code Generation: Based on the behavioral analysis, Replay generates clean, well-structured code in your chosen framework (React, Vue, etc.).

  4. Refinement & Customization: You can then refine the generated code, customize the styling, and integrate it into your existing project.

Key Features for Financial Reporting UIs#

Replay offers several features that are particularly valuable for building financial reporting applications:

  • Multi-Page Generation: Financial reporting often involves complex workflows spanning multiple screens. Replay can generate code for entire multi-page flows from a single video.

  • Supabase Integration: Seamlessly connect your generated UI to a Supabase backend for data storage and retrieval.

  • Style Injection: Apply custom styles to match your brand and ensure a consistent look and feel.

  • Product Flow Maps: Visualize the user flow and interactions within your application.

A Practical Example: Generating a Financial Dashboard#

Let's walk through a practical example of using Replay to generate a UI for a simple financial dashboard.

Step 1: Record a Demonstration Video#

Record a video demonstrating the following:

  1. Loading a dataset (e.g., CSV file) containing financial data (revenue, expenses, profit).
  2. Displaying the data in a table.
  3. Filtering the data by date range.
  4. Generating a chart visualizing the revenue trend.
  5. Calculating and displaying key metrics (e.g., total revenue, profit margin).

Step 2: Upload the Video to Replay#

Upload the video to the Replay platform.

Step 3: Review and Refine the Generated Code#

Replay will analyze the video and generate code for the dashboard UI. You can then review the code and make any necessary refinements.

Here's an example of the type of code Replay might generate for displaying the financial data in a table (assuming a React framework):

typescript
// Example generated React component import React, { useState, useEffect } from 'react'; interface FinancialData { date: string; revenue: number; expenses: number; profit: number; } const FinancialDataTable: React.FC = () => { const [data, setData] = useState<FinancialData[]>([]); useEffect(() => { // Placeholder for fetching data from Supabase or local file const fetchData = async () => { // Replace with your actual data fetching logic const mockData: FinancialData[] = [ { date: '2024-01-01', revenue: 10000, expenses: 5000, profit: 5000 }, { date: '2024-01-02', revenue: 12000, expenses: 6000, profit: 6000 }, { date: '2024-01-03', revenue: 15000, expenses: 7000, profit: 8000 }, ]; setData(mockData); }; fetchData(); }, []); return ( <table> <thead> <tr> <th>Date</th> <th>Revenue</th> <th>Expenses</th> <th>Profit</th> </tr> </thead> <tbody> {data.map((item, index) => ( <tr key={index}> <td>{item.date}</td> <td>{item.revenue}</td> <td>{item.expenses}</td> <td>{item.profit}</td> </tr> ))} </tbody> </table> ); }; export default FinancialDataTable;

💡 Pro Tip: Ensure your demonstration video is clear, well-lit, and focuses on the key interactions you want Replay to capture.

Step 4: Integrate with Supabase#

Replay can automatically generate code to integrate your UI with a Supabase backend. This allows you to store and retrieve financial data securely.

Here's an example of how you might fetch data from Supabase and display it in the table:

typescript
// Example using Supabase client import { createClient } from '@supabase/supabase-js'; import React, { useState, useEffect } from 'react'; interface FinancialData { date: string; revenue: number; expenses: number; profit: number; } const supabaseUrl = 'YOUR_SUPABASE_URL'; const supabaseKey = 'YOUR_SUPABASE_ANON_KEY'; const supabase = createClient(supabaseUrl, supabaseKey); const FinancialDataTable: React.FC = () => { const [data, setData] = useState<FinancialData[]>([]); useEffect(() => { const fetchData = async () => { const { data: financialData, error } = await supabase .from('financial_data') .select('*'); if (error) { console.error('Error fetching data:', error); return; } setData(financialData as FinancialData[]); }; fetchData(); }, []); return ( <table> <thead> <tr> <th>Date</th> <th>Revenue</th> <th>Expenses</th> <th>Profit</th> </tr> </thead> <tbody> {data.map((item, index) => ( <tr key={index}> <td>{item.date}</td> <td>{item.revenue}</td> <td>{item.expenses}</td> </tr> ))} </tbody> </table> ); }; export default FinancialDataTable;

⚠️ Warning: Remember to replace

text
YOUR_SUPABASE_URL
and
text
YOUR_SUPABASE_ANON_KEY
with your actual Supabase credentials.

Benefits of Using Replay#

  • Faster Development: Generate UI code in minutes instead of days or weeks.
  • Reduced Costs: Minimize manual coding and design iterations.
  • Improved Accuracy: Replay understands the behavior of the UI, leading to more accurate code generation.
  • Enhanced Collaboration: Easily share video demonstrations with stakeholders and generate code that aligns with their vision.
  • Increased Productivity: Focus on higher-level tasks and let Replay handle the tedious coding.

Replay vs. Traditional Methods and Other Tools#

FeatureTraditional CodingScreenshot-to-CodeReplay
InputSpecifications, DesignsScreenshotsVideo
Behavior AnalysisManualLimited
Code AccuracyVariableLowHigh
Development TimeLongMediumShort
CostHighMediumLow
Understanding of User IntentManual InterpretationNoneAutomated

📝 Note: Replay doesn't replace developers; it empowers them. It automates the repetitive tasks, allowing developers to focus on the more complex and creative aspects of software development.

Frequently Asked Questions#

Is Replay free to use?#

Replay offers a free tier with limited usage. Paid plans are available for higher usage and advanced features. Check the Replay pricing page for the latest details.

How is Replay different from v0.dev?#

v0.dev primarily relies on text-based prompts to generate UI components. Replay, on the other hand, analyzes video demonstrations, allowing it to capture user behavior and generate more accurate and functional code. Replay understands the "how" and "why" behind UI interactions, not just the "what."

What frameworks does Replay support?#

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

How accurate is the generated code?#

Replay's accuracy depends on the quality of the demonstration video. Clear, well-lit videos with focused interactions will result in more accurate code generation.

Can I customize the generated code?#

Yes, the generated code is fully customizable. You can modify the styling, add new features, and integrate it into your existing project.


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