Files
Meshtastic-Android/feature/messaging
James Rich 62e2c731b0 test: add unit tests and fix constitution violations for specs 004-017
Brownfield gap remediation across multiple modules:

Constitution violation fixes:
- Replace hardcoded strings in Contacts.kt with stringResource()
- Add KDoc to ConnectionActionButtonStyle enum values
- Add missing string resources to strings.xml

Build-logic fix:
- Override javaLauncher for test tasks to JDK 21, fixing JVM class
  version mismatch when published modules target JVM 17

New test coverage:
- core/model: NodeTest, DataPacketTest, MeshDataMapperTest
- core/database: ConvertersTest, QuickChatActionDaoTest,
  DatabaseManagerWithDbRetryTest
- core/service: ServiceRepositoryImplTest,
  DirectRadioControllerImplTest
- core/network: HeartbeatSenderTest, MQTTRepositoryImplTest
- core/data: MeshRouterImplTest
- core/ble: KableBleConnectionTest
- feature/node: MetricsViewModelTest (CSV), CompassViewModelTest,
  NodeDetailViewModelTest (remote admin)
- feature/map: BaseMapViewModelTest (waypoint expiration)
- feature/settings: SettingsViewModelTest (saveDataCsv),
  RadioConfigViewModelTest (MQTT probe)
- feature/firmware: WifiOtaTransportTest

Test seams:
- NodeDetailViewModel: add NodeDetailUiTextResolver
- KableBleScanner: add filter behavior test seam

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-05-11 13:09:15 -05:00
..

:feature:messaging

Overview

The :feature:messaging module handles the core communication features of the app, including text messages, direct messages (DMs), and channel-based chat.

Key Components

1. MessageViewModel

Manages the state of the chat screen, including loading messages from the database, sending new messages, and handling message reactions.

2. QuickChat

A simplified chat interface for quickly sending and receiving messages without entering the full message screen.

3. HomoglyphCharacterStringTransformer

A security-focused utility that detects and transforms homoglyphs (visually similar characters from different scripts) to prevent phishing and impersonation attacks.

Features

  • Channel Chat: Group communication on public or private channels.
  • Direct Messaging: One-on-one encrypted communication between nodes.
  • Message Reactions: Support for reacting to messages with emojis.
  • Delivery Status: Indicators for "Sent", "Received", and "Read" (ACK/NACK).

Module dependency graph

graph TB
  :feature:messaging[messaging]:::kmp-feature

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;