android-xml-views

$npx mdskill add HoangNguyen0403/agent-skills-standard/android-xml-views

- **Standard**: Use ViewBinding for all XML layouts. - **Synthetics**: `kotlin-android-extensions` Dead. Remove it. - **KAPT**: Avoid DataBinding unless strictly necessary (impacts build speed).

SKILL.md

.github/skills/android-xml-viewsView on GitHub ↗
---
name: android-xml-views
description: Implement ViewBinding, RecyclerView, and XML layouts correctly on Android. Use when working with XML layouts, ViewBinding, or RecyclerView adapters in legacy Android projects.
metadata:
  triggers:
    files:
    - 'layout/*.xml'
    - '**/*Binding.java'
    - '**/*Binding.kt'
    keywords:
    - ViewBinding
    - ConstraintLayout
    - RecyclerView
---
# Android XML Views Standards

## **Priority: P1**

## Implementation Guidelines

### ViewBinding

- **Standard**: Use ViewBinding for all XML layouts.
- **Synthetics**: `kotlin-android-extensions` Dead. Remove it.
- **KAPT**: Avoid DataBinding unless strictly necessary (impacts build speed).

### RecyclerView

- **Adapter**: Always inherit `ListAdapter` (wraps AsyncListDiffer).
- **Updates**: Provide proper `DiffUtil.ItemCallback`. NEVER call `notifyDataSetChanged()`.

### Layouts

- **ConstraintLayout**: Use for complex flat hierarchies.
- **Performance**: Avoid deep nesting (LinearLayout inside LinearLayout).

## Anti-Patterns

- **No findViewById**: Deprecated. Use ViewBinding for all XML layouts.
- **No kotlin-android-extensions**: Deprecated. Remove all `import kotlinx.android.synthetic.*`.

## References

- [ViewBinding & Adapter](references/implementation.md)

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