Label not sized correctly on Android

[jsuarezruiz]

PR REVERTED #30023

Description

Label not sized correctly on Android. The issue can be reproduced with the simple code below:

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="MauiApp1.MainPage">

    <ScrollView>
        <VerticalStackLayout>

           <Grid  VerticalOptions="Start"  BackgroundColor="Aquamarine">
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto" />
                </Grid.RowDefinitions>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*" />
                </Grid.ColumnDefinitions>

                <Label Grid.Row="0" Grid.Column="0"
                    HorizontalOptions="Start"
                    Margin="5,5"
                    Text="Label and parent layout is behaving_differently_in_iOS"
                    BackgroundColor="Orchid"
                    TextColor="Black"
                    FontSize="20"/>

             </Grid>

        </VerticalStackLayout>
    </ScrollView>
</ContentPage>

We can see that the rendered Label, in case text is multi lines, is not identical on Android:

Even can get a wrong result using different HorizotalOptions values (Start, Center, End):

Steps to Reproduce

1. Create a new MAUI app (targeting .NET 8 or 9) and use the XAML code above.
2. Run the app on Android emulator and iOS simulator. You should see the Label is rendered differently on Android and iOS.

Link to public reproduction project repository

No response

Version with bug

9.0.30 SR3

Is this a regression from previous behavior?

No, this is something new

Last version that worked well

Unknown/Other

Affected platforms

Android

Affected platform versions

No response

Did you find any workaround?

No response

Relevant log output

[similar-issues-ai]

We've found some similar issues:

• .NET MAUI - Label and Button does not resize to fit Text width on Android platform #8374 , similarity score: 84%
• [Android and iOS] Label text not wrapping inside AbsoluteLayout #18930 , similarity score: 83%
• [iOS] Label has incorrect size #23943 , similarity score: 82%
• Wrong height for multi-line Label under certain conditions #11358 , similarity score: 82%
• Unexpected result with MaximumWidthRequest on a Label on Android #10552 , similarity score: 82%
• LineBreakMode="WordWrap" leaves extra space on Android #22853 , similarity score: 82%
• [MAUI 8] Label measurement is wrong, TailTruncation not working #19218 , similarity score: 82%
• Label not getting resized to the change in Text length on Android #6066 , similarity score: 82%
• [Android] Label.CharacterWrap wraps text too soon  #22594 , similarity score: 81%

If any of the above are duplicates, please consider closing this issue out and adding additional context in the original issue.

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[kubaflo]

Hi @jsuarezruiz it looks like a native behavior. What do you think?

[bricefriha]

@kubaflo

Have you tried to set layout_width to fill_parent?

To my understanding, it should work this way