Implement ViewBinding, RecyclerView, and XML layouts correctly on Android. Use when working with XML layouts, ViewBinding, or RecyclerView adapters in legacy Android projects.
Scanned 6/6/2026
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---
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)No comments yet. Be the first to comment!
