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◆ AI Learning · Hard rule

How can a developer ensure all parts of a project have the same user interface?

Every chapter in a project must use the same user interface design. This ensures a consistent look and feel for the user.

By Pawan Nayar · from the LLOS AI Learning record

The rule

Every chapter in a project must use the same user interface design.

This ensures a consistent look and feel for the user.

A developer must use the same viewer shell for every chapter. This means using the same layout for elements on the screen. It also means using the same types of panels and how they look. Tooltip designs, animations, and other visual elements must also be the same. A contract document, like `CH1_UI_CONTRACT.md`, lists all these design rules.

A developer is building an educational application with multiple chapters. The developer uses the design from chapter one for all other chapters. This means all chapters have the same menu style and button appearance. If the developer creates a new button style for chapter two, the application will look inconsistent.

Words you'll need

Resolved from this lesson's own record — real definitions, not invented for this page.

Human-Computer Interaction

How people and computers communicate and work together

Design Patterns

Reusable solutions to common problems in design

Information Architecture

How information is organized and labeled so people find it

Feedback Mechanisms

Ways to tell AI if it got it right or wrong

Questions people ask

More from the same record, pulled by shared topic — not written new for this page.

What are the key design rules for building a user interface?

Do not use standard browser pop-up boxes like `confirm()`, `alert()`, or `prompt()`. Instead, use custom modal windows that match the application's design.

How can a software application organize many tools in its user interface?

A good design uses a three-layer system. The first layer is an icon strip.

How should a new design's layout be created?

A new design must use the exact layout proportions of a proven design. The proven design has been refined over many hours.

How should a developer build the user interface for new chapters?

The user interface for Chapter 1 is the master design. All other chapters must use this design.

What to remember

Every chapter in a project must use the same user interface design. This ensures a consistent look and feel for the user.