Launcher3 Site

The launcher has evolved alongside Android's major releases: Used in Android 1.6 to 2.1.

It manages the home screen layout (desktop) and the vertical or horizontal list of apps (drawer). launcher3

It handles essential UX actions like unlocking the device, opening/closing apps, and managing widgets. Technical Evolution The launcher has evolved alongside Android's major releases:

Launcher3 uses a complex, event-driven structure to manage home screen elements: launcher3

Became the default starting with Android 7.0 (Nougat). Architectural Components

A fundamental view that handles the dragging and dropping of icons and widgets.

Because Launcher3 is open-source, developers use it as a "framework" to build highly customized alternatives: