dotnet/maui

[iOS] Improve the CollectionView FindEstimatedSizeUsingWidth to handle grouping and testing

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#20,654 创建于 2024年2月16日

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area-controls-collectionviewgood first issueplatform/iost/bugt/enhancement ☀️testing-missing-tests

描述

Description

When implementing FindEstimatedSizeUsingWidth to fix a issue with the EstimatedSize I didn't took in account the grouping as this didn't seem to reproduce at the time, but we should address if this needed by adding more tests like to scroll to the last item.

Steps to implement

  • Handle a way to find the better estimated size if we are using groups.
  • Right UItests that go to the end of a bigger list with scroll

贡献者指南

技术栈
csharp
领域
mobiletesting
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
half day
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
fresh
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
iOS CollectionViewGroupingUI testing
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
35
研究方向
Examine the current implementation of FindEstimatedSizeUsingWidth in the linked PR #20022. Investigate how to adjust the estimated size calculation when grouping is enabled. Then, write UI tests that scroll to the last item in a grouped collection to ensure correctness.