[Core] Remove Expander (#12005)

* [Core] Remove Expander (moved to XTC)

* [Tests] Remove Expander converter test

* Update TypeConverterTests.xaml.cs

* [Core] Remove Expander ExperimentalFlag

* Update TypeConverterTests.xaml.cs

Co-authored-by: Javier Suárez <[email protected]>

Author: rmarinho

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue10830.cs

@@ -1418,7 +1418,6 @@
     <Compile Include="$(MSBuildThisFileDirectory)Issue7780.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue8958.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue10679.xaml.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Issue10830.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue10735.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue10497.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue10477.xaml.cs" />

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems

@@ -16,7 +16,6 @@
 using Xamarin.Forms.Controls.GalleryPages.SwipeViewGalleries;
 using Xamarin.Forms.Controls.GalleryPages.PlatformTestsGallery;
 using Xamarin.Forms.Controls.GalleryPages.AppThemeGalleries;
-using Xamarin.Forms.Controls.GalleryPages.ExpanderGalleries;
 using Xamarin.Forms.Controls.GalleryPages.RadioButtonGalleries;
 using Xamarin.Forms.Controls.GalleryPages.ShapesGalleries;
 using Xamarin.Forms.Controls.GalleryPages.GradientGalleries;
@@ -306,7 +305,6 @@ public override string ToString()
 				new GalleryPageFactory(() => new RadioButtonGalleries(), "RadioButton Gallery"),
 				new GalleryPageFactory(() => new RadioButtonCoreGalleryPage(), "RadioButton Core Gallery"),
 				new GalleryPageFactory(() => new FontImageSourceGallery(), "Font ImageSource"),
-				new GalleryPageFactory(() => new ExpanderGalleries(), "Expander Gallery"),
 				new GalleryPageFactory(() => new IndicatorGalleries(), "IndicatorView Gallery"),				
 				new GalleryPageFactory(() => new CarouselViewGallery(), "CarouselView Gallery"),
 				new GalleryPageFactory(() => new CarouselViewCoreGalleryPage(), "CarouselView Core Gallery"),

Xamarin.Forms.Controls/CoreGallery.cs

@@ -128,17 +128,6 @@
                     <Entry
                         x:Name="Entry"
                         Text="Entry"/>
-                    <Expander
-                        x:Name="Expander">
-                        <Expander.Header>
-                            <Label
-                                Text="Expander Header" />
-                        </Expander.Header>
-                        <Grid>
-                            <Label
-                                Text="Expander Content" />
-                        </Grid>
-                    </Expander>
                     <Frame
                         x:Name="Frame"
                         CornerRadius="12"

Xamarin.Forms.Controls/GalleryPages/ExpanderGalleries/ExpanderGalleries.cs

@@ -61,7 +61,6 @@ void UpdateBackgroundColor(Color? color)
 			DatePicker.BackgroundColor = backgroundColor;
 			Editor.BackgroundColor = backgroundColor;
 			Entry.BackgroundColor = backgroundColor;
-			Expander.BackgroundColor = backgroundColor;
 			Frame.BackgroundColor = backgroundColor;
 			Grid.BackgroundColor = backgroundColor;
 			ImageButton.BackgroundColor = backgroundColor;
@@ -89,7 +88,6 @@ void UpdateBackground(Brush background)
 			DatePicker.Background = background;
 			Editor.Background = background;
 			Entry.Background = background;
-			Expander.Background = background;
 			Frame.Background = background;
 			Grid.Background = background;
 			ImageButton.Background = background;

Xamarin.Forms.Controls/GalleryPages/ExpanderGalleries/ExpanderGallery.xaml

@@ -93,7 +93,7 @@ void ButtonClicked(object sender, System.EventArgs e)
 			button.TextColor = Color.Black;
 			button.IsEnabled = false;
 
-			Device.SetFlags(new[] { ExperimentalFlags.BrushExperimental, ExperimentalFlags.ExpanderExperimental, ExperimentalFlags.ShapesExperimental, ExperimentalFlags.SwipeViewExperimental });
+			Device.SetFlags(new[] { ExperimentalFlags.BrushExperimental, ExperimentalFlags.ShapesExperimental, ExperimentalFlags.SwipeViewExperimental });
 		}
 	}
 }