套件概覽
RectGetter 是一個 Flutter 套件，可簡化在渲染後取得子組件矩形尺寸與位置的過程。它提供了一種方便的方法，用於存取精確的佈局資訊，例如偏移、大小和邊界，適用於組件樹中。非常適合需要準確空間資料的手勢檢測、動畫或 UI 對齊任務。該套件可在所有主要平台（包括 Android、iOS、Web、macOS、Windows 和 Linux）上運作，確保在不同目標環境中行為一致。
適用情境
- Gesture-based interactions
- Dynamic UI positioning
- Animation triggers based on layout
- Debugging widget placement
- Overlay element alignment
主要特色
- Real-time rectangle data after render
- Cross-platform compatibility
- Simple API integration
- Supports nested widgets
- Accurate offset and size reporting
適合對象
- Developers needing layout metrics
- UI/UX designers implementing interactive layouts
- Apps with dynamic or responsive interfaces
- Debugging layout issues
- Custom gesture detectors
使用建議
- Requires post-render access to widget tree
- May impact performance if overused
- Not suitable for immediate pre-render measurements
- Limited to visible and rendered children
- Best used in conjunction with build context