Meshtastic-Android/core/model/README.md

:core:model (Meshtastic Domain Models)

Overview

The :core:model module is a Kotlin Multiplatform (KMP) library containing the domain models and data classes used throughout the application and its API. These models are platform-agnostic and designed to be shared across Android, JVM, and future supported platforms.

Multiplatform Support

Models in this module use the CommonParcelable and CommonParcelize abstractions from :core:common. This allows them to maintain Android Parcelable compatibility (via @Parcelize) while residing in commonMain and remaining accessible to non-Android targets.

Key Models

• DataPacket: Represents a mesh packet (text, telemetry, etc.).
• NodeInfo: Contains detailed information about a node (position, SNR, battery, etc.).
• DeviceHardware: Represents supported Meshtastic hardware devices and their capabilities.
• Channel: Represents a mesh channel configuration.

Usage

This module is a core dependency of core:api and most feature modules.

// In commonMain
implementation(projects.core.model)

Structure

• commonMain: Contains the majority of domain models and logic.
• androidMain: Contains Android-specific utilities and implementations for expect declarations.
• androidUnitTest: Contains unit tests that require Android-specific features (like Parcel testing via Robolectric).

Module dependency graph

graph TB
  :core:model[model]:::kmp-library

classDef android-application fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;
classDef android-application-compose fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;
classDef compose-desktop-application fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;
classDef android-feature fill:#FFD6A5,stroke:#000,stroke-width:2px,color:#000;
classDef android-library fill:#9BF6FF,stroke:#000,stroke-width:2px,color:#000;
classDef android-library-compose fill:#9BF6FF,stroke:#000,stroke-width:2px,color:#000;
classDef android-test fill:#A0C4FF,stroke:#000,stroke-width:2px,color:#000;
classDef jvm-library fill:#BDB2FF,stroke:#000,stroke-width:2px,color:#000;
classDef kmp-feature fill:#FFD6A5,stroke:#000,stroke-width:2px,color:#000;
classDef kmp-library-compose fill:#FFC1CC,stroke:#000,stroke-width:2px,color:#000;
classDef kmp-library fill:#FFC1CC,stroke:#000,stroke-width:2px,color:#000;
classDef unknown fill:#FFADAD,stroke:#000,stroke-width:2px,color:#000;