Flexlayout flickers when remove child - Githubissues

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Flexlayout flickers when remove child #3961

Open OmerHmead opened 6 years ago

OmerHmead commented 6 years ago

Sample

[XamarinFlexLayoutVideoIssue.zip] ** video play frame rate is slowed down (https://github.com/xamarin/xamarin-forms-samples/files/2433731/XamarinFlexLayoutIssue.zip)

[FlexLayoutSample.zip] (https://github.com/xamarin/xamarin-forms-samples/files/2433751/FlexLayoutSample.zip)

Description

FlexLayout flickers when removing a child from it

Notice the last second in the attached video, you will see the flexlayout expands to fill the page, and then goes back to correct height.

Steps to Reproduce

1.Open the sample and click on Experiment 2.Change the wrap property to FlexWrap.Wrap 3.Add items to be in multi line 4.Remove items

Expected Behavior

The child should be removed smoothly without flickering

Actual Behavior

FlexLayout flickers when removing from the FlexLayout Children

Information

IDE and IDE version: Visual Studio 2017 v15.6
Platform with the issue:
- iOS: tested on 12.0
- Android: tested on 8.0
Device or simulator/emulator: simulator and device

kingces95 commented 6 years ago

Issue reproduced as described; Layout "bounces" after filling screen with elements and then removing one.