android

This skill should be used when implementing Android code in Bitwarden. Covers critical patterns, gotchas, and anti-patterns unique to this codebase. Triggered by "How do I implement a ViewModel?", "Create a new screen", "Add navigation", "Write a repository", "BaseViewModel pattern", "State-Action-Event", "type-safe navigation", "@Serializable route", "SavedStateHandle persistence", "process death recovery", "handleAction", "sendAction", "Hilt module", "Repository pattern", "implementing a screen", "adding a data source", "handling navigation", "encrypted storage", "security patterns", "Clock injection", "DataState", or any questions about implementing features, screens, ViewModels, data sources, or navigation in the Bitwarden Android app.

Instructions for capturing UI state, comparing with mocks, and interacting with an Android device using MCP tools backed by ADB.

Android-specific code review checklist and MVVM/Compose pattern validation for Bitwarden Android — use this for any review task, even if the user doesn't explicitly ask for a "checklist". Detects change type automatically and loads the right review strategy (feature additions, bug fixes, UI refinements, refactoring, dependency updates, infrastructure). Triggered by "review PR", "review changes", "review this code", "check this code", "Android review", code review requests on Kotlin/ViewModel/Composable/Repository/Gradle files, or any time someone asks to look at a diff, PR, or code changes in bitwarden/android.

This skill should be used when writing or reviewing tests for Android code in Bitwarden. Triggered by "BaseViewModelTest", "BitwardenComposeTest", "BaseServiceTest", "stateEventFlow", "bufferedMutableSharedFlow", "FakeDispatcherManager", "expectNoEvents", "assertCoroutineThrows", "createMockCipher", "createMockSend", "asSuccess", "Why is my Bitwarden test failing?", or testing questions about ViewModels, repositories, Compose screens, or data sources in Bitwarden.

Build, test, lint, and deploy commands for the Bitwarden Android project. Use when running tests, building APKs/AABs, running lint/detekt, deploying, using fastlane, or discovering codebase structure. Triggered by "run tests", "build", "gradle", "lint", "detekt", "deploy", "fastlane", "assemble", "verify", "coverage".

Architecture design and phased implementation planning for Bitwarden Android. Use when planning implementation, designing architecture, creating file inventories, or breaking features into phases. Triggered by "plan implementation", "architecture design", "implementation plan", "break this into phases", "what files do I need", "design the architecture".

Requirements gap analysis and structured specification for Bitwarden Android. Use when refining requirements, analyzing specs, identifying gaps, or producing structured specifications from tickets or descriptions. Triggered by "refine requirements", "gap analysis", "spec review", "requirements analysis", "what's missing from this spec", "analyze this ticket".