System Development

Tencent Cloud Developer

Aug 27, 2024 · Fundamentals

UML Architecture Diagrams: Types, Usage, and Timing in the Software Development Lifecycle

The article explains the main UML architecture diagram types—class, sequence, component, deployment, use‑case, state, and activity—outlines how to choose the appropriate diagram, and details when each should be applied during requirement analysis, high‑level design, and detailed design phases of software development.

Architecture DiagramSystem DevelopmentUML

0 likes · 11 min read

UML Architecture Diagrams: Types, Usage, and Timing in the Software Development Lifecycle

OPPO Kernel Craftsman

Jul 23, 2021 · Mobile Development

Fastboot Protocol and Fastbootd Process on Android Devices

Fastbootd, introduced in Android Q, runs inside recovery to implement the full fastboot flashing protocol—supporting dynamic super‑partition management, USB FunctionFS communication, and OEM commands—by using source files in system/core/fastboot and recovery, triggered via adb or bootloader reboot‑fastboot.

FastbootFastbootdRecovery

0 likes · 7 min read

Fastboot Protocol and Fastbootd Process on Android Devices