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[Android] IndicatorView with DataTemplate (custom image) does not render correctly when ItemsSource change #24717

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NanthiniMahalingam
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@NanthiniMahalingam NanthiniMahalingam commented Sep 11, 2024

Root Cause

  • When changing itemssource for indicator view, indicator size does not updated based on current items source count.
  • When changing items source count mapping, update indicator view template code section does not include to update the indicator view bounds.

Description of Change

After adding the Update indicator view template in UpdatingIndcatorCount method for mapping the Count property in IndicatorViewHandler android class, indicator view data template does not mess up.

Issues Fixed

Fixes #21980

Output:
Android Platform

Before changes:

IndicatorView_BeforeChanges.mp4

After changes:

IndicatorView_AfterChanges.mp4

@dotnet-policy-service dotnet-policy-service bot added the community ✨ Community Contribution label Sep 11, 2024
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Hey there @NanthiniMahalingam! Thank you so much for your PR! Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

@NanthiniMahalingam NanthiniMahalingam changed the title [Android & iOS] IndicatorView with DataTemplate (custom image) does not render correctly when ItemsSource change [Android] IndicatorView with DataTemplate (custom image) does not render correctly when ItemsSource change Sep 11, 2024
@NanthiniMahalingam NanthiniMahalingam marked this pull request as ready for review September 11, 2024 14:49
@NanthiniMahalingam NanthiniMahalingam requested a review from a team as a code owner September 11, 2024 14:49
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@mattleibow mattleibow left a comment

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Just adding a comment about the test and not actually reviewing the code yet.

src/Controls/tests/TestCases.HostApp/Issues/Issue21980.cs Outdated Show resolved Hide resolved
@mattleibow mattleibow added platform/android 🤖 area-controls-collectionview CollectionView, CarouselView, IndicatorView labels Sep 11, 2024
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/azp run

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Azure Pipelines successfully started running 3 pipeline(s).

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@PureWeen PureWeen left a comment

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I tested with the users sample and PR here

And noticed that with just the fix in this PR that the width of the indicator view stays incorrect

image

where as with the other PR the size seems to update

image

Can you review #24776 and see if those changes makes sense or if you have thoughts on a different approach?

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NanthiniMahalingam commented Sep 26, 2024

#24717 (review)

The changes added in the other PR (#24776) is fine.

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PureWeen commented Oct 7, 2024

#24717 (review)

The changes added in the other PR (#24776) is fine.

Closing in favor of

#24776

@PureWeen PureWeen closed this Oct 7, 2024
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area-controls-collectionview CollectionView, CarouselView, IndicatorView community ✨ Community Contribution platform/android 🤖
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IndicatorView with DataTemplate (custom image) does not render correctly on ItemsSource change (Android & iOS)
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