iOS/Android cert bypass is now identical.

WebServices/TodoREST/Droid/HttpClientHandlerService.cs

@@ -0,0 +1,22 @@
+using System.Net.Http;
+using TodoREST.Droid;
+using Xamarin.Forms;
+
+[assembly: Dependency(typeof(HttpClientHandlerService))]
+namespace TodoREST.Droid
+{
+    public class HttpClientHandlerService : IHttpClientHandlerService
+    {
+        public HttpClientHandler GetInsecureHandler()
+        {
+            HttpClientHandler handler = new HttpClientHandler();
+            handler.ServerCertificateCustomValidationCallback = (message, cert, chain, errors) =>
+            {
+                if (cert.Issuer.Equals("CN=localhost"))
+                    return true;
+                return errors == System.Net.Security.SslPolicyErrors.None;
+            };
+            return handler;
+        }
+    }
+}

WebServices/TodoREST/Droid/MainActivity.cs

@@ -18,15 +18,6 @@ protected override void OnCreate(Bundle bundle)
             Instance = this;
             global::Xamarin.Forms.Forms.Init(this, bundle);
 
-#if DEBUG
-            System.Net.ServicePointManager.ServerCertificateValidationCallback += (sender, certificate, chain, sslPolicyErrors) =>
-            {
-                if (certificate.Issuer.Equals("CN=localhost"))
-                    return true;
-                return sslPolicyErrors == System.Net.Security.SslPolicyErrors.None;
-            };
-#endif
-
             LoadApplication(new App());
         }
     }

WebServices/TodoREST/Droid/Properties/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="com.companyname.todorest">
-	<uses-sdk android:minSdkVersion="19" />
+	<uses-sdk android:minSdkVersion="21" />
 	<application android:label="TodoREST"></application>
 </manifest>

WebServices/TodoREST/Droid/TodoREST.Droid.csproj

@@ -29,7 +29,8 @@
     <WarningLevel>4</WarningLevel>
     <AndroidLinkMode>None</AndroidLinkMode>
     <ConsolePause>false</ConsolePause>
-    <AndroidHttpClientHandlerType>System.Net.Http.HttpClientHandler</AndroidHttpClientHandlerType>
+    <AndroidHttpClientHandlerType>Xamarin.Android.Net.AndroidClientHandler</AndroidHttpClientHandlerType>
+    <AndroidTlsProvider>btls</AndroidTlsProvider>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>portable</DebugType>
@@ -39,18 +40,19 @@
     <WarningLevel>4</WarningLevel>
     <AndroidUseSharedRuntime>false</AndroidUseSharedRuntime>
     <ConsolePause>false</ConsolePause>
-    <AndroidHttpClientHandlerType>Xamarin.Android.Net.AndroidClientHandler</AndroidHttpClientHandlerType>
+    <IntermediateOutputPath></IntermediateOutputPath>
+    <ExternalConsole>false</ExternalConsole>
+    <Commandlineparameters></Commandlineparameters>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms">
-      <Version>4.5.0.396</Version>
-    </PackageReference>
+    <PackageReference Include="Xamarin.Forms" Version="4.5.0.396" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Xml" />
     <Reference Include="System.Core" />
     <Reference Include="Mono.Android" />
+    <Reference Include="System.Net.Http" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\TodoREST\TodoREST.csproj">
@@ -62,8 +64,10 @@
     <Compile Include="MainActivity.cs" />
     <Compile Include="Resources\Resource.designer.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="HttpClientHandlerService.cs" />
   </ItemGroup>
   <ItemGroup>
+    <None Include="app.config" />
     <None Include="Resources\AboutResources.txt" />
     <None Include="Properties\AndroidManifest.xml" />
     <None Include="Assets\AboutAssets.txt" />
@@ -88,4 +92,4 @@
     <AndroidResource Include="Resources\values\colors.xml" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />
-</Project>
+</Project>

WebServices/TodoREST/Droid/app.config

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.5.0.0" newVersion="1.5.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>

WebServices/TodoREST/TodoAPI/TodoAPI/Properties/launchSettings.json

@@ -1,4 +1,5 @@
 {
+  "$schema": "http://json.schemastore.org/launchsettings.json",
   "iisSettings": {
     "windowsAuthentication": false,
     "anonymousAuthentication": true,
@@ -7,7 +8,6 @@
       "sslPort": 44300
     }
   },
-  "$schema": "http://json.schemastore.org/launchsettings.json",
   "profiles": {
     "IIS Express": {
       "commandName": "IISExpress",

WebServices/TodoREST/TodoAPI/TodoAPI/TodoAPI.csproj

@@ -9,7 +9,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.App" />
+    <PackageReference Include="Microsoft.AspNetCore.App">
+      <PrivateAssets Condition="'%(PackageReference.Version)' == ''">all</PrivateAssets>
+      <Publish Condition="'%(PackageReference.Version)' == ''">true</Publish>
+    </PackageReference>
     <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.1.2" PrivateAssets="All" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.1.1" />
   </ItemGroup>