# API index

> Navigable map of the 36 technical chapters by part and Java package, plus the generated Javadoc.

Source: https://crossfly.dev/docs/reference/api-reference — CrossFly documentation. Full docs as one file: https://crossfly.dev/llms-full.txt

# API index

This page **does not rewrite the API** — it points to it in an organized way. For the exact signature of
a method, use the **generated Javadoc** (`gradle javadoc`); to understand the class in context, the chapter.

### Fundamentals
| Chapter | Package |
|---|---|
| 02 Architecture · 04 Bootstrap and Lifecycle | `dev.crossfly`, `dev.crossfly.core` |
| 05 Component Model · 06 Events and Input | `dev.crossfly.ui` |
| 07 Windows and Navigation | `dev.crossfly.ui` |
| 03 Conventions | `dev.crossfly.ui.UIConstants` |

### Appearance
| Chapter | Package |
|---|---|
| 08 Rendering and Pipeline · 13 Graphics Primitives | `dev.crossfly.ui.graphics` |
| 10 Styles, Skins and Themes | `dev.crossfly.ui.style`, `.skin` |
| 11 Colors | `dev.crossfly.ui.color` |
| 12 Layouts | `dev.crossfly.ui.layout` |

### Widgets
| Chapter | Package |
|---|---|
| 14 Basic Widgets · 15 Containers and Lists | `dev.crossfly.ui` |
| 16 Dialogs and Overlays · 17 Pickers | `dev.crossfly.ui`, `.picker` |
| 18 Images · 19 Charts | `dev.crossfly.ui.image`, `.chart` |
| 21 Animations · 22 Scroll | `dev.crossfly.ui.animation` |

### Services
| Chapter | Package |
|---|---|
| 23 SQLite | `dev.crossfly.sqlite` |
| 24 Device | `dev.crossfly.device` (`.bluetooth`) |
| 25 Maps · 26 Web | `dev.crossfly.map`, `.web` |
| 09 Config/Persistence/i18n | `dev.crossfly.device` (`DeviceConfig`/`LocaleFormats`) |

### Utilities and Quality
| Chapter | Package |
|---|---|
| 27 Util | `dev.crossfly.util` |
| 31 Tests · 32 Development Guide | — |
| 33 Migration Guide · 34 FAQ · 35 Glossary | — |

## ⚠️ Historical chapters (API removed in 2026)
These document **removed** features — they remain only as history, do **not** use them in new code:

(Barcode is now via camera — see [Camera and barcode](/docs/data-and-services/device-camera).)

## See also
- Full index: `../../00-indice.md` · [Widget catalog](/docs/reference/widget-catalog) · [Enums](/docs/reference/enums-uiconstants)