Android Viewsystem Foundations
CommunitykrutikJain
Handle XML layouts, ConstraintLayout, Fragments, ViewBinding, DataBinding, and classic Android UI lifecycle patterns.
Overview
- Repository
- krutikJain/android-agent-skills
- Publisher
- krutikJain
- Stars
- 14
- Forks
- 5
- Bundled files
- 5
- License
- MIT
- Updated
- Mar 25, 2026
Installation
tmp=$(mktemp -d)
git clone --depth 1 https://github.com/krutikJain/android-agent-skills.git "$tmp"
mkdir -p ~/.claude/skills
cp -R "$tmp/skills/android-viewsystem-foundations" ~/.claude/skills/android-viewsystem-foundations
rm -rf "$tmp"tmp=$(mktemp -d)
git clone --depth 1 https://github.com/krutikJain/android-agent-skills.git "$tmp"
mkdir -p ~/.codex/skills
cp -R "$tmp/skills/android-viewsystem-foundations" ~/.codex/skills/android-viewsystem-foundations
rm -rf "$tmp"Install the Android Viewsystem Foundations agent skill from https://github.com/krutikJain/android-agent-skills/tree/main/skills/android-viewsystem-foundations into this project's skills folder.Instructions
Android ViewSystem Foundations
When To Use
- Use this skill when the request is about: xml layout android issue, fragment lifecycle android, constraintlayout cleanup.
- Primary outcome: Handle XML layouts, ConstraintLayout, Fragments, ViewBinding, DataBinding, and classic Android UI lifecycle patterns.
- Reach for this skill when the main surface is XML, Fragment, RecyclerView, or binding lifecycle work rather than Compose-first UI.
- Handoff skills when the scope expands:
android-compose-xml-interoperabilityandroid-testing-ui
Workflow
- Identify whether the target surface is Fragment, Activity, custom view, RecyclerView, or a mixed Compose/View interoperability screen.
- Anchor ownership correctly: view bindings to the view lifecycle, adapters to explicit item models, and navigation/transactions outside leaf views.
- Fix layout and rendering issues with classic View tools first: ConstraintLayout, RecyclerView diffing, window insets, and binding-safe updates.
- Exercise Fragment recreation, long text, font scaling, RTL, and process-lifecycle edges before considering the change complete.
- Hand off Compose interoperability or UI test depth only after the View-system ownership model is stable.
Guardrails
- Optimize for stable state and predictable rendering before adding animation or abstraction.
- Respect accessibility semantics, contrast, focus order, and touch target guidance by default.
- Do not mix Compose and View system ownership without an explicit interoperability boundary.
- Prefer measured performance work over premature micro-optimizations.
- Clear ViewBinding references when the Fragment view is destroyed; do not keep view references alive past the view lifecycle.
Anti-Patterns
- Embedding navigation or business logic directly in leaf UI components.
- Using fixed dimensions that break on localization or dynamic text.
- Ignoring semantics and announcing only visual changes.
- Porting XML patterns directly into Compose without adapting the mental model.
- Holding Fragment view state in stale bindings, view references, or adapters across view recreation.
Examples
Happy path
- Scenario: Refine the XML OrbitTasks screen with ViewBinding and explicit fragment-safe patterns.
- Command:
cd examples/orbittasks-xml && ./gradlew :app:testDebugUnitTest
Edge case
- Scenario: Handle configuration changes, view lifecycle, and long content in classic layouts.
- Command:
cd examples/orbittasks-xml && ./gradlew :app:connectedDebugAndroidTest
Failure recovery
- Scenario: Prevent XML or Fragment requests from being routed to Compose-first skills.
- Command:
python3 scripts/eval_triggers.py --skill android-viewsystem-foundations
Done Checklist
- The implementation path is explicit, minimal, and tied to the right Android surface.
- Relevant example commands and benchmark prompts have been exercised or updated.
- Handoffs to adjacent skills are documented when the request crosses boundaries.
- Official references cover the chosen pattern and the main migration or troubleshooting path.
Official References
Bundled files
FAQ
What does Android Viewsystem Foundations do?
Handle XML layouts, ConstraintLayout, Fragments, ViewBinding, DataBinding, and classic Android UI lifecycle patterns.
Who made Android Viewsystem Foundations?
krutikJain (a community member) publishes it in the krutikJain/android-agent-skills repository on GitHub.
Is Android Viewsystem Foundations free?
Yes. Android Viewsystem Foundations is open source, published by krutikJain under the MIT license.
What comes with Android Viewsystem Foundations?
Its instructions and 5 files the agent reads only when a task needs them, such as references, examples or scripts.
Which agents can use Android Viewsystem Foundations?
Any coding agent that reads SKILL.md files, including Claude Code, Codex, Cursor, GitHub Copilot and Gemini CLI. The agent loads the skill when a task matches its description.
What are agent skills?
An agent skill is a folder with a SKILL.md file: instructions that teach a coding agent how to do one kind of task, and optionally files it can read while it works. The agent keeps only the skill's name and description in mind and reads the rest when a task calls for it.
How are agent skills different from MCP servers?
An MCP server gives an agent new tools to call, code that runs somewhere and returns results. A skill gives it knowledge: how to approach a task with the tools it already has. Many agents use both.
How can my agent test my Android app?
Robomori lets coding agents create, start and control Android emulators and devices from one command, so they can install your app, take screenshots and check dark mode, font sizes and languages.
Instructions to make or update an app's UI so that it adapts to different Android devices including phones, tablets, foldables, laptops, desktop, TV, Auto, and XR. It includes how to handle different window sizes, pointing devices (such as mouse) and text entry devices (such as keyboard) using the Compose MediaQuery API, and how to preserve UI, navigation, scroll, and media playback state across configuration changes (such as folding/unfolding a foldable, rotating a device, or resizing a window). It also covers multi-pane layouts using Navigation3 Scenes, adaptive UI components (such as buttons) with varying target sizes, and adaptive layouts (including navigation areas - nav rails and nav bars) using the Compose Grid and FlexBox APIs. It also covers desktop experiences with keyboard shortcuts, tooltips and custom cursors.
Use this skill to migrate your Jetpack Compose app to add adaptive edge-to-edge support and troubleshoot common issues. Use this skill to fix UI components (like buttons or lists) that are obscured by or overlapping with the navigation bar or status bar, fix IME insets, and fix system bar legibility.
Adds inking and freehand drawing capabilities to an Android app using Jetpack Ink (androidx.ink) and Compose. Use this skill when implementing stylus or touch drawing surfaces, rendering wet and dry ink strokes, configuring stock brushes (pressure pen, marker, highlighter), implementing geometry-based erasing, linear undo and redo history, or stroke persistence with Room. Delivers working Compose and ViewModel implementations. Don't use for View-based (XML) inking or programmatic custom BrushFamily creation. For custom BrushFamily creation, custom tip shapes, or behavior node graphs, suggest the ink-custom-brush-builder skill.
Creates custom BrushFamily definitions for an Android app using Jetpack Ink (androidx.ink 1.1.0-alpha03 and higher). Use this skill when configuring custom BrushTip shapes, adding pressure, tilt, speed, or noise sensitivity using BrushBehavior node graphs, creating multi-coat layered brushes, applying tiling or particle stamping textures, configuring SlidingWindowModel input smoothing, or serializing brushes. Delivers complete Kotlin BrushFamily, BrushCoat, BrushTip, BrushPaint, and BrushBehavior implementations. Don't use for View-based (XML) inking, Compose drawing surface setup, or stock brush selection. For Compose drawing surface setup, InProgressStrokes wet and dry rendering, eraser, or persistence, suggest the ink-app-builder skill.
