From 75be615c25a2b04b473d563decca04e4f41a22ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Javier=20Su=C3=A1rez?= <javiersuarezruiz@hotmail.com>
Date: Wed, 8 Sep 2021 16:09:54 +0200
Subject: [PATCH] Validate issue 14433 (#14576)

* Added repro sample

* Updated sample

Co-authored-by: Gerald Versluis <gerald.versluis@microsoft.com>
---
 .../Issue14433.xaml                           | 39 +++++++++++++++++++
 .../Issue14433.xaml.cs                        | 31 +++++++++++++++
 ...rin.Forms.Controls.Issues.Shared.projitems |  4 ++
 3 files changed, 74 insertions(+)
 create mode 100644 Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue14433.xaml
 create mode 100644 Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue14433.xaml.cs

diff --git a/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue14433.xaml b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue14433.xaml
new file mode 100644
index 00000000000..35ef5cac8c0
--- /dev/null
+++ b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue14433.xaml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<local:TestContentPage
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:d="http://xamarin.com/schemas/2014/forms/design"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+    Title="Test 14433" xmlns:local="using:Xamarin.Forms.Controls"
+    x:Class="Xamarin.Forms.Controls.Issues.Issue14433"
+    BackgroundColor="Yellow">
+    <StackLayout>
+        <Label
+            Padding="12"
+            BackgroundColor="Black"
+            TextColor="White"
+            Text="If gradient renders correctly, the test has passed."/>
+        <Frame 
+            InputTransparent="True"
+            VerticalOptions="End"
+            HeightRequest="57"
+            Padding="0"
+            CornerRadius="0"
+            HasShadow="False"
+            Opacity="0.8">
+            <Frame.Background>
+                <LinearGradientBrush
+                    StartPoint="0.0, 0"
+                    EndPoint="1.0, 0">
+                    <GradientStop
+                        Color="#00FF0000"
+                        Offset="0" />
+                    <GradientStop
+                        Color="#00FF00"
+                        Offset="1" />
+                </LinearGradientBrush>
+            </Frame.Background>
+        </Frame>
+    </StackLayout>
+</local:TestContentPage>
\ No newline at end of file
diff --git a/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue14433.xaml.cs b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue14433.xaml.cs
new file mode 100644
index 00000000000..880255fb899
--- /dev/null
+++ b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue14433.xaml.cs
@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using Xamarin.Forms.CustomAttributes;
+using Xamarin.Forms.Internals;
+
+#if UITEST
+using Xamarin.UITest;
+using NUnit.Framework;
+using Xamarin.Forms.Core.UITests;
+#endif
+
+namespace Xamarin.Forms.Controls.Issues
+{
+	[Preserve(AllMembers = true)]
+	[Issue(IssueTracker.Github, 14433,
+		"[Bug] LinearGradientBrush Background with alpha channel color don't works",
+		PlatformAffected.iOS)]
+	public partial class Issue14433 : TestContentPage
+	{
+		public Issue14433()
+		{
+#if APP
+			InitializeComponent();
+#endif
+		}
+
+		protected override void Init()
+		{
+		}
+	}
+}
\ No newline at end of file
diff --git a/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems
index 6c81a07b64a..ddc824d885c 100644
--- a/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems
+++ b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems
@@ -1764,6 +1764,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Issue13684.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue12300.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue12150.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Issue14433.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue12590.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue13726.xaml.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue11795.xaml.cs" />
@@ -2202,6 +2203,9 @@
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Issue13684.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
+    <EmbeddedResource Include="$(MSBuildThisFileDirectory)Issue14433.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Issue12590.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>